006_606555_Special Provisions DOCXDOCUMENT A00801
SPECIAL PROVISIONS
Northampton
Federal Aid Project #CMQ-003S(317)X
Intersection Improvements to North King Street (Route 5/10) and Hatfield Street
Labor participation goals for this project shall be 15.3% for minorities and 6.9% for women for each job category. The goals are applicable to both Contractor’s and Subcontractor’s
on-site construction workforce. Refer to document 00820 for details.
SCOPE OF WORK
All work under this contract shall be done in conformance withthe Massachusetts Highway Department Standard Specifications for Highways and Bridges dated 1988, as amended, the Supplemental
Specifications dated April 1, 2019, the October 2017 Construction Standard Details, the 2015 Overhead Signal Structure and Foundation Standard Drawings, MassDOT Traffic Management Plans
and Detail Drawings, the latest Manual on Uniform Traffic Control Devices for Streets and Highways with Massachusetts Amendments, the 1990 Standard Drawings for Signs and Supports, the
1968 Standard Drawings for Traffic Signals and Highway Lighting, and the latest edition of the American Standard for Nursery Stock, will govern.
The work under this Contract consists of approximately 0.82 miles ofroadway and intersection improvements on North King Street and Hatfield Street in Northampton. The project will convert
an existing “Y” intersection to a modern roundabout including horizontal alignment and vertical profile modifications at the approaches. The project will also expand on the City of
Northampton’s expansive pedestrian and bicycle network by providing sidewalks and bike lanes along North King Street and sidewalk along Hatfield Street. Additional improvements include
storm drain modifications at the intersection and modifications to existing utilities as necessitated by the work. The storm drain modifications include an oversize swale with a controlled
outlet to mitigate for additional impervious area.
CONTRACTOR QUESTIONS AND ADDENDUM ACKNOWLEDGEMENTS
Prospective bidders are required to submit all questions to the Construction Contracts Engineer by 1:00 P.M. on the Thursday before the scheduled bid opening date. Any questions received
after this time will not be considered for review by the Department.
Contractors should email questions and addendum acknowledgements to the following email address massdot-specifications@dot.state.ma.us. Please put the MassDOT project file number and
municipality in the subject line.
SUBSECTION 7.05 INSURANCE REQUIREMENTS
B. Public Liability Insurance
The insurance requirements set forth in this section are in addition to the requirements of the Standard Specifications and supersede all other requirements.
MassDOT - Highway Division shall be named as an additional insured.
MASSHIGHWAY TO MASSDOT NAME CHANGE
The following definitions in Section 100 of the Standard Specifications for Highways and Bridges are revised as follows:
(Amend definition of Department)1.17 –DepartmentEffective November 1, 2009, St. 2009, c. 25 abolishes the Massachusetts Department of Highways and all assets, liabilities, and obligations
become those of the Massachusetts Department of Transportation (MassDOT). Anywhere in this contract the terms Commission, Commonwealth, Department of Public Works, Department, Massachusetts
Highway Department, MassHighway, Party of the First Part, or any other term intending to mean the former Massachusetts Department of Highways is used, it shall be interpreted to mean
MassDOT or applicable employee of MassDOT unless the context clearly requires otherwise. Furthermore, MassDOT by operation of law inherited all rights and obligations pursuant to any
contract, and therefore parties to this contract hereby acknowledge and agree that its terms shall be liberally construed and interpreted to maintain the rights and obligations of MassDOT.
Furthermore, the parties hereby acknowledge and agree that the transfer of all rights and obligations from the Massachusetts Department of Highways to MassDOT shall not have the effect
of altering or eliminating any provision of this contract in a manner that inures to the detriment of MassDOT.
(Add a definition for MassDOT)1.46 – MassDOTThe Massachusetts Department of Transportation, a body politic and corporate, under St. 2009, c. 25 “An Act Modernizing the Transportation
Systems of the Commonwealth”, as amended.
ACCESS MASSDOT HIGHWAY INFORMATION ON WEBSITE
Access MassDOT Highway Information related to Construction, Design/Engineering, Contractor/Vendor Information, Approved Materials and Fabricators, Manuals, Publications and Forms at:
http://www.mass.gov/massdot/highway
Select Doing business with us
CONTRACTOR/SUBCONTRACTOR CERTIFICATION– CONTRACT COMPLIANCE
(Revision 03-23-10)
Pursuant to 23 C.F.R. § 633.101 et seq., the Federal Highway Administration requires each Contractor to “insert in each subcontract, except as excluded by law or regulation, the required
Contract provisions contained in Form FHWA–1273 and further requires their inclusion in any lower tier subcontract that may in turn be made. The required Contract provisions of Form
FHWA–1273 shall not be incorporated by reference in any case. The prime Contractor shall be responsible for compliance by any Subcontractor or lower tier Subcontractor with the requirements
contained in the provisions of Form FHWA–1273.” The prime Contractor shall therefore comply with the reporting and certification requirements provided in MassDOT’s CONTRACTOR/SUBCONTRACTOR
CERTIFICATION Form (DOT-DIST-192) certifying compliance with 23 C.F.R. § 633.101 for each subcontract agreement entered into by the Contractor. The Contractor shall provide a fully
executed original copy of said CONTRACTOR/SUBCONTRACTOR CERTIFICATION Form to MassDOT upon execution of any subcontract agreement. Failure to comply with the reporting and certification
requirement of the CONTRACTOR/SUBCONTRACTOR CERTIFICATION Form may result in action against the prequalification status of the prime Contractor with MassDOT.
SUBSECTION 4.04 CHANGED CONDITIONS.
This Subsection is revised by deleting the two sequential paragraphs near the end that begin “The Contractor shall be estopped…” and “Any unit item price determined …” (1/6/2006).
PROTECTION OF UNDERGROUND FACILITIES
The Contractor's attention is directed to the necessity of making his own investigation in order to assure that no damage to existing structures, drainage lines, traffic signal conduits,
etcetera, will occur.
The Contractor shall notify Massachusetts DIG SAFE and procure a Dig Safe Number for each location prior to disturbing existing ground in any way. Contact the Dig Safe Call Center by
dialing 811 or 1-888-344-7233 or online at www.digsafe.com.
PROCEDURE FOR RELEASING AUTOCAD FILES
TO THE GENERAL CONTRACTOR
After the bid opening the low bidder may submit the Request for Release of MassDOT AutoCAD Files Form to the Highway Design Engineer. When the Highway Design Section has received both
the AutoCAD files from the designer and the Request for Release of MassDOT AutoCAD Files Form from the Contractor, Highway Design will email the contractor a link through Dropbox.com
with a reminder disclaimer of use (copy to Project Manager and District Construction Engineer).
HOLIDAY WORK RESTRICTIONS FOR CALENDAR YEAR 2020
(Supplementing Subsection 7.09)
TheDistrictHighwayDirectormayauthorize worktocontinueduringthesespecifiedtimeperiodsif itisdetermined bytheDistrictthattheworkwillnotnegativelyimpactthetravelingpublic.
Belowaretheholidayworkrestrictionsforthecalendaryear2020:
NewYear’sDay(FederalHoliday)
Monday January1,2020:
NoworkonmajorarterialroadwaysfromnoononSaturdayDecember30,2019untilthenormalstartof businessonTuesdayJanuary2,2020. Noworkonlocalroadwaysonthe holidaywithout permissionbytheDHDandthelocalpolicechief.
MartinLutherKing'sBirthday(Federal Holiday)
MondayJanuaryXX, 2020:
Noworkrestrictionsduetotrafficconcernshoweverworkonlocalroadwaysrequirespermissionbythe DHDandlocalpolicechief.
President'sDay(FederalHoliday)
MondayFebruaryXX, 2020:
Noworkrestrictionsduetotrafficconcernshoweverworkonlocalroadwaysrequirespermissionbythe DHDandlocalpolicechief.
Evacuation Day (Suffolk County State Holiday)
Saturday, March XX, 2020:
No work restrictions due to traffic concerns.
Patriot's Day(StateHoliday)
MondayApril XX, 2020:
WorkrestrictionswillbeinplaceforDistricts3,4and6alongtheentireBostonMarathonrouteandany otherlocationsthattheDHDinthosedistrictsdeterminearewarrantedsoastonotto impactthemarathon.
AllotherdistrictsworkrestrictionswillbeasperDHD.
MemorialDay(FederalHoliday)
Monday May XX, 2020:
NoworkonmajorarterialroadwaysfromnoononFridayMayXX, 2020untilthenormalstartof business onTuesday,MayXX, 2020.
Bunker Hill Day (Suffolk County State Holiday)
Sunday, June XX, 2020:
No work restrictions due to traffic concerns.
HOLIDAY WORK RESTRICTIONS FOR CALENDAR YEAR 2020 (Continued)
IndependenceDay(FederalHoliday)
FridayJuly4,2020:
NoworkonmajorarterialroadwaysfromnoononThursdayJuly3,2020untilthenormalstartof businessonMondayJuly7,2020.
LaborDay(FederalHoliday)
MondaySeptemberXX, 2020:
NoworkonmajorarterialroadwaysfromnoononSaturdaySeptemberXX, 2020 untilthenormalstartofbusiness onTuesday,SeptemberXX, 2020.
ColumbusDay(FederalHoliday)
MondayOctoberXX, 2020:
No work on major arterials from noon time on Friday, OctoberXX, 2020 until the normal start of business on Tuesday, OctoberXX, 2020. DHD may allow work in those areas on a case by case
basis and where work is behind barrier and will not impact traffic.
Veterans'Day(FederalHoliday)
SundayNovemberXX, 2020:
Noworkrestrictionsduetotrafficconcerns.
ThanksgivingDay(FederalHoliday)
ThursdayNovemberXX, 2020:
NoworkonmajorarterialsfromnoononWednesdayNovemberXX, 2020 untilthenormalstartofbusiness ontheMondayNovemberXX, 2020.
ChristmasDay(FederalHoliday)
WednesdayDecember25, 2020:
NoworkonmajorarterialroadwaysfromnoononFridayDecemberXX, 2020untilthenormalstartof businessonThursdayDecember26,2020.
PROMPT PAYMENT
Contractors are required to promptly pay Subcontractors under this Prime Contract within ten (10) business days from the receipt of each payment the Prime Contractor receives from MassDOT.
Failure to comply with this requirement may result in the withholding of payment to the Prime Contractor until such time as all payments due under this provision have been received
by the Subcontractor(s) and/or referral to the Prequalification Committee for action which may affect the Contractor’s prequalification status.
BIDDERS LIST
Pursuant to the provisions of 49 CFR Part 26.11 all official bidders will be required to report the names, addresses and telephone numbers of all firms that submitted bids or quotes
in connection with this project. Failure to comply with a written request for this information within 15 business days may result in a recommendation to the Prequalification Committee
that prequalification status be suspended until the information is received.
The Department will survey all firms that have submitted bids or quotes during the previous year prior to setting the annual goal and shall request that each firm report its age and
gross receipts for the year.
BUY AMERICA PROVISIONS (23 CFR 635.410)
(Supplementing Subsection 6.01 Source of Supply and Quality)
Federal law 23 CFR 635.410 requires that all manufacturing processes, including application of the coating, for steel and iron materials to be permanently incorporated in Federal-aid
highway construction projects must occur in the United States. Coating includes all processes which protect or enhance the value of a material to which the coating is applied.
Foreign steel and iron may be used if the cost of the materials as they are delivered to the jobsite does not exceed 0.1% of the total contract cost or $2,500 whichever is greater.
CARGO PREFERENCE ACT
Work under this contract shall comply with the Cargo Preference Act of 1954 (CPA) and implementing regulations (46 CFR Part 381).
(b) Contractor and Subcontractor Clauses. Use of United States-flag vessels: The contractor agrees-
"(1) To utilize privately owned United States-flag commercial vessels to ship at least 50 percent of the gross tonnage (computed separately for dry bulk carriers, dry cargo liners, and
tankers) involved, whenever shipping any equipment, material or commodities pursuant to this contract, to the extent such vessels are available at fair and reasonable rates for United
States-flag commercial vessels.
"(2) To furnish within 20 days following the date of loading for shipments originating within the United States or within 30 working days following the date of loading for shipments
originating outside the United States, a legible copy of a rated, 'on-board' commercial ocean bill-of-lading in English for each shipment of cargo described in paragraph (b) (1) of this
section to both the Contracting Officer (through the prime contractor in the case of subcontractor bills-of-lading) and to the Division of National Cargo, Office of Market Development,
Maritime Administration, Washington, DC 20590.
"(3) To insert the substance of the provisions of this clause in all subcontracts issued pursuant to this contract"
ARCHITECTURAL ACCESS BOARD TOLERANCES
The Contractor is hereby notified that they are ultimately responsible for constructing all project elements in strict compliance with the current AAB/ADA rules, regulations and standards.
All construction elements in this project associated with sidewalks, walkways, wheelchair ramps and curb cuts are controlled by 521CMR - Rules and Regulations of the Architectural Access
Board (AAB).
The AAB Rules and Regulations specify maximum slopes and minimum dimensions required for construction acceptance. There is no tolerance allowed for slopes greater than the maximum slope
nor for dimensions less than the minimum dimensions.
Contractors shall establish grade elevations at all wheel chair ramp locations, and shall set transition lengths according to the appropriate table in the Construction Standards (or
to the details shown on the plans).
All wheelchair ramp joints and transition sections which define grade changes shall be formed, staked and checked prior to placing cement concrete. All grade changes are to be made
at joints.
SUBSECTION 8.14 UTILITY COORDINATION, DOCUMENTATION, AND
MONITORING RESPONSIBILITIES
GENERAL
In accordance with the provisions of Section 8.00 Prosecution and Progress, utility coordination is a critical aspect to this Contract. This section defines the responsibility of the
Contractor and MassDOT, with regard to the initial utility relocation plan and changes that occur as the prosecution of the Work progresses. The Department, with assistance from the
Contractor shall coordinate with Utility companies that are impacted by the Contractor’s operations. To support this effort, the Contractor shall provide routine and accurate schedule
updates, provide notification of delays, and provide documentation of the steps taken to resolve any conflicts for the temporary and/or permanent relocations of the impacted utilities.
The Contractor shall provide copies to the Departmentof the Contractor communication with the Utility companies, including but not limited to:
Providing advanced notice, for all utility-related meetings initiated by the Contractor.
Providing meeting minutes for all utility-related meetings that the Contractor attends.
Providing all test pit records.
Request for Early Utility work requirements of this section (see below).
Notification letters for any proposed changes to Utility start dates and/or sequencing.
Written notification to the Departmentof all apparent utility delays within seven (7) Calendar Days after a recognized delay to actual work in the field – either caused by a Utility
or the Contractor.
Any communication, initiated by the Contractor, associated with additional Right-of-Way needs in support of utility work.
Submission of completed Utility Completion Forms.
PROJECT UTILITY COORDINATION (PUC) FORM
The utility schedule and sequence information provided in the Project Utility Coordination Form (if applicable) is the best available information at the time of the bid and has been
considered in setting the contract duration. The Contractor shall use all of this information in developing the bid price and the Baseline Schedule Submission, inclusive of the individual
utility durations sequencing requirements, and any work that has been noted as potentially concurrent utility installations.
INITIATION OF UTILITY WORK
The Departmentwill issue all initial notice-to-proceed dates to each Utility company based on either the:
Contractor’s accepted Baseline Schedule
An approved Early Utility Request in the form of an Early Utility sub-net schedule (in accordance with the requirements of this Subsection)
An approved Proposal Schedule
C.1 - BASELINE SCHEDULE – UTILITY BASIS
The Contractor shall provide a Baseline Schedule submission in accordance with the requirements of Subsection 8.02 and inclusive of all of the information provided in the PUC Form that
has been issued in the Contract documents. This is to include the utility durations, sequencing of work, allowable concurrent work, and all applicable considerations that have been depicted
on the PUC Form.
SUBSECTION 8.14 (Continued)
C.2 – EARLY UTILITY REQUEST – (aka SUBNET SCHEDULE) PRIOR TO THE BASELINE
All early utility work is defined as any anticipated/required utility relocations that need to occur prior to the Baseline Schedule acceptance. In all cases of proposed early utility
relocation, the Contractor shall present all known information at the pre-construction conference in the form of a ‘sub-net’ schedule showing when each early utility activity needs to
be issued a notice-to-proceed. The Contractor shall provide advance notification of this intent to request early utility work in writing at or prior to the Pre-Construction meeting.
Prior to officially requesting approval for early utility work, the Contractor shall also coordinate with MassDOT and all utility companies (private, state or municipal) which may be
impacted by the Contract. If this request is acceptable to the Utilities and to MassDOT, the Departmentwill issue a notice-to-proceed to the affected Utilities, based on these accepted
dates.
C.3 – PROPOSAL SCHEDULE - CHANGES TO THE PUC FORM
If the Contractor intends to submit a schedule (in accordance with MassDOT Standard Specifications, Division I, Subsection 8.02) that contains durations or sequencing that vary from
those provided in the Project Utility Coordination (PUC) Form, the Contactor must submit this as an intended change, in the form of a Proposal Schedule and in accordance with MassDOT
Standard Specifications, Division I, Subsection 8.02. These proposed changes are subject to the approval of the Departmentand the impacted utilities, in the form of this Proposal Schedule
and a proposed revision to the PUC form. The Contractor shall not proceed with any changes of this type without written authorization from the Department, that references the approved
Proposal Schedule and PUC form changes. The submission of the Baseline Schedule should not include any of these types of proposed utility changes and should not delay the submission
of the Baseline Schedule. As a prerequisite to the Proposal Schedule submission, and in advance of the utility notification(s) period, the Contractor shall coordinate the proposed
utility changes with the Departmentand the utility companies, to develop a mutually agreed upon schedule, prior to the start of construction.
UTILITY DELAYS
The Contractor shall notify the Departmentupon becoming aware that a Utility owner is not advancing the work in accordance with the approved utility schedule. Such notice shall be
provided to the Departmentno later than seven (7) calendar days after the occurrence of the event that the Contractor believes to be a utility delay. After such notice, the Departmentand
the Contractor shall continue to diligently seek the Utility Owner’s cooperation in performing their scope of Work.
In order to demonstrate that a critical path delay has been caused by a third-party Utility, the Contractor must demonstrate, through the requirements of the monthly Progress Schedule
submissions and the supporting contract records associated with Subsection 8.02, 8.10 and 8.14, that the delays were beyond the control of the Contractor.
SUBSECTION 8.14 (Continued)
All documentation provided in this section is subject to the review and verification of the Departmentand, if required, the Utility Owner. In accordance with MassDOT Specifications,
Division I, Subsection 8.10, a Time Extension will be granted for a delay caused by a Utility, only if the actual duration of the utility work is in excess of that shown on the Project
Utility Coordination Form, and only if;
proper Notification of Delay was provided to MassDOT in accordance with the time requirements that are specified in this Section
the utility delay is a critical path impact to the Baseline Schedule (or most recently approved Progress Schedule)
LOCATION OF UTILITIES
The locations of existing utilities are shown on the Contract drawings as an approximation only. The Contractor shall perform a pre-construction utility survey, including any required
test pits, to determine the location of all known utilities no later than thirty (30) calendar days before commencing physical site work in the affected area.
POST UTILITY SURVEY – NOTIFICATION
Following completion of a utility survey of existing locations, the Contractor will be responsible to notify the Departmentof any known conflicts associated with the actual location
of utilities prior to the start of the work. The Departmentand the Contractor will coordinate with any utility whose assets are to be affected by the Work of this Contract. A partial
list of utility contact information is provided in the Project Utility Coordination Form.
MEETINGS AND COOPERATION WITH UTILITY OWNERS
The Contractor shall notify the Departmentin advance of any meeting they initiate with a Utility Owner’s representative to allow MassDOT to participate in the meeting if needed.
Prior to the Pre-Construction Meeting, the Contractor should meet with all Utility Owners who will be required to perform utility relocations within the first 6 months of the project,
to update the affected utilities of the Project Utility Coordination Form and all other applicable Contract requirements that impact the Utilities. The Contractor shall copy the Departmenton
any correspondence between the Utility Owner and the Contractor.
FORCE ACCOUNT / UTILITY MONITORING REQUIREMENTS
The Departmentwill be responsible for recording daily Utility work force reports. The start, suspension, re-start, and completion dates of each of the Utilities, within each phase of
the utility relocation work, will be monitored and agreed to by the Departmentand the Contractor as the work progresses.
ACCESS AND INSPECTION
The Contractor shall be responsible for allowing Utility owners access to their own utilities to perform the relocations and/or inspections. The Contractor shall schedule their work
accordingly so as not to delay or prevent each utility from maintaining their relocation schedule.
SUBSECTION 8.02 SCHEDULE OF OPERATIONS
Replace this subsection with the following:
An integrated cost and schedule controls program shall be implemented by the Contractor to track and document the progress of the Work from Notice to Proceed (NTP) through the Contractor
Field Completion (CFC) Milestone. The Contactor’s schedules will be used by the Departmentto monitor project progress, plan the level-of-effort required by the Department’s work force
and consultants and as a critical decision-making tool. Accordingly, the Contractor shall ensure that it complies fully with the requirements specified herein and that its schedules
are both accurate and updated as required by the specification throughout the life of the project. Detailed requirements are provided in Division II, Section 722 Construction Scheduling.
SECTION 722
CONSTRUCTION SCHEDULING
DESCRIPTION722.20General
The Contractor's approach to prosecution of the Work shall be disclosed to the Department by submission of a Critical Path Method (CPM) schedule and a cost/resource loaded Construction
Schedule when required in this Subsection. These requirements are in addition to, and not in limitation of, requirements imposed in other sections.
The requirements for scheduling submissions are established based on the Project Value at the time of the bid and are designated as Type A, B, C or D. The definitions of these Schedule
Requirement Types are summarized below. Complete descriptions of all detailed requirements are established elsewhere in this specification.
Type A – for all Site-Specific Contracts with a Project Value over $20 Million
Schedule Planning Session
Baseline CPM Schedule
Monthly Update CPM Schedule
Short-term Construction Schedule
Contract Schedule Update Meeting
Resource-Loading
Resources Graphic Reporting
Cash Flow Projections from the CPM
Cash Flow Charts
Cost-loaded CPM
Contractor-furnished CPM software, computer and training
Type B – for all Site-Specific Contracts with a Project Value between $10 Million and $20 Million
Schedule Planning Session
Baseline CPM Schedule
Monthly Update CPM Schedule
Short-term Construction Schedule
Contract Schedule Update Meeting
Cost-loaded CPM
Resource-Loading
Monthly Projected Spending Report (PSR)
Contractor-furnished CPM software, computer and training
SECTION 722 (Continued)
Type C – for all Site-Specific Contracts with a Project Value between $3 Million and $10 Million
Schedule Planning Session
Baseline CPM Schedule
Monthly Update CPM Schedule
Short-term Construction Schedule
Contract Schedule Update Meeting
Monthly Projected Spending Report (PSR)
Contractor-furnished CPM software, computer and training
Type D - for all contracts with a Project Value less than $3 Million; various locations contracts of any dollar amount; contracts with durations less than one-hundred and eighty (180)
Calendar Days; and other contracts as determined by the Engineer.
Bar chart schedule updated monthly or at the request of the Engineer (See Section 722.62.B - Bar Charts.)
Monthly Projected Spending Report (PSR) (See Section 722.62.F - Projected Spending Reports.)
MATERIALS, EQUIPMENT, PERSONNEL722.40General
Software Requirements (Types A, B and C)
The Contractor shall use Primavera P6 computer scheduling software.
In addition to the requirements of Section 740 – Engineer’s Field Office and Equipment, the Contractor shall provide to the Department one (1) copy of the scheduling software, one (1)
software license and one (1) computer capable of running the scheduling software for the duration of the Contract. This computer and software shall be installed in the Engineer’s Field
Office within twenty-eight (28) Calendar Days after Notice to Proceed. The computer and software shall be maintained and serviced as recommended by the computer manufacturer and/or
as required by the Engineer during the duration of the Contract at no additional cost to the Department. The Contractor shall provide professional training in the basic use of the software
for up to eight (8) Department employees. The trainer shall be approved by the Engineer. This training shall be provided within twenty-eight (28) Calendar Days after Notice to Proceed.
B.Scheduler Requirements
For all schedule types, if the Contractor plans to use outside scheduling services, the scheduler shall be approved as a subcontractor by the Engineer.
For Type A, B and C Schedules the name of the Contractor’s Project Scheduler together with his/her qualifications shall be submitted to the Department for approval by the Engineer within
seven (7) Calendar Days after NTP. The Project Scheduler shall have a minimum of five [5] years of project CPM scheduling experience, three [3] years of which shall be on projects of
similar scope and value as the project for which the Project Scheduler is being proposed. References shall be provided from past projects that can attest to the capabilities of the Project
Scheduler.
SECTION 722 (Continued)
CONSTRUCTION METHODS722.60General
Schedule Planning Session
(Types A, B and C)
The Contractor shall conduct a schedule planning session within seven (7) Calendar Days after the Contractor receives the NTP and prior to submission of the Baseline Schedule. This
session will be attended by the Department and its consultants. During this session, the Contractor shall present its planned approach to the project including, but not limited to:
the Work to be performed by the Contractor and its subcontractors;
the planned construction sequence and phasing; planned crew sizes;
summary of equipment types, sizes, and numbers to be used for each work activity;
all early work related to third party utilities;
identification of the most critical submittals and projected submission timelines;
estimated durations of major work activities;
the anticipated Critical Path of the project and a summary of the activities on that Critical Path;
a summary of the most difficult schedule challenges the Contractor is anticipating and how it plans to manage and control those challenges;
a summary of the anticipated quarterly cash flow over the life of the project.
This will be an interactive session and the Contractor shall answer all questions that the Department and its consultants may have. The Contractor shall provide a minimum of five (5)
copies of a written summary of the information presented and discussed during the session to the Engineer. The Contractor’s Baseline Schedule and accompanying Schedule Narrative shall
incorporate the information discussed at this Schedule Planning Session.
Schedule Reviews by the Department (All Types)
1.Baseline Schedule Reviews
The Engineer will respond to the Baseline Schedule Submission within thirty (30) Calendar Days of receipt providing comments, questions and/or disposition that either accepts the schedule
or requires revision and resubmittal. Baseline Schedules shall be resubmitted within fifteen (15) Calendar Days after receipt of the Engineer’s comments.
2.Contract Progress Schedule / Monthly Update Reviews
The Engineer will respond to each submittal within twenty-one (21) Calendar Days. Schedules shall be resubmitted by the Contractor within five (5) Calendar Days after receipt of the
Engineer’s comments.
Failure to submit schedules as and when required could result in the withholding of full or partial pay estimate payments by the Engineer.
SECTION 722 (Continued)722.61Schedule Content and Preparation Requirements
(Types A, B and C unless otherwise noted)
Each Contract Progress Schedule shall fully conform to these requirements.
LOGIC
The schedules shall divide the Work into activities with appropriate logic ties to show:
conformance with the requirements of this Section and Division I, Subsection 8.02 - Schedule of Operations
the Contractor's overall approach to the planning, scheduling and execution of the Work
conformance with any additional sequences of Work required by the Contract Documents, including, but not limited to, Subsection 8.03 - Prosecution of Work and Subsection 8.06 – Limitations
of Operations.
ACTIVITIES
The schedules shall clearly define the progression of the Work from NTP to Contractor Field Completion (CFC) by using separate activities for each of the following items:
NTP
Each component of the Work defined by specific activities
Detailed activities to satisfy permit requirements
Procurement of fabricated materials and equipment with long lead times, including time for review and approval of submittals required before purchasing
The preparation and submission of shop drawings, procedures and other required submittals, with a planned duration that is to be demonstrated to the Engineer as reasonable
The review and return of shop drawings, procedures and other required submittals, approved or with comments, the duration of which shall be thirty (30) Calendar Days, unless otherwise
specified or as approved by the Engineer
Interfaces with adjacent work, utility companies, other public agencies, sensitive abutters, and/or any other third party work affecting the Contract
The Critical Path, clearly defined and organized
Float shall be clearly identified
Access Restraints – restrictions on access to areas of the Work that are defined by the Department in the bid package, in Subsection 8.06 – Limitations of Operations or elsewhere in
the Contract
Milestones listed in Subsection 8.03 - Prosecution of Work or elsewhere in the Contract Documents
Subcontractor approvals at fifteen (15) Calendar Days from submittal to response
Full Beneficial Use (FBU) Contract Milestone per the requirements of Subsection 8.03 - Prosecution of Work
Contractor’s request for validation of FBU (ready to open to traffic)
The Department’s confirmation of completed work to allow for FBU
SECTION 722 (Continued)
Substantial Completion Contract Milestone per the requirements of Subsections 7.15 - Claims Against Contractors for Payment of Labor, Materials and Other Purposes and 8.03 - Prosecution
of Work
Contractor’s request for validation of Substantial Completion
Punchlist Completion Period of at least thirty (30) Calendar Days per the requirements of Subsections 5.11 - Final Acceptance, 7.15 - Claims Against Contractors for Payment of Labor,
Materials and Other Purposes and 8.03 - Prosecution of Work
Contractor confirmation that all punchlist work and documentation has been completed
Physical Completion of the Work Contract Milestone per the requirements of Subsections 5.11 - Final Acceptance and 8.03 - Prosecution of Work
Documentation Completion per the requirements of Subsections 5.11 - Final Acceptance and 8.03 - Prosecution of Work
Contractor Field Completion Contract Milestone per the requirements of Subsections 5.11 - Final Acceptance and 8.03 - Prosecution of Work
Utility work to be performed in accordance with the Project Utility Coordination (PUC) Form as provided in Section 8.14 - Utilities Coordination, Documentation and Monitoring Responsibilities
Traffic work zone set-up and removal, night work and phasing
Early Utility Relocation (by others) that has been identified in the Contract
Right-of-Way (ROW) takings that have been identified in the Contract
Material Certifications
Work Breakdown Structure in accordance with the MassDOT-Highway Division Contractor Construction Schedule Toolkit located on the MassDOT-Highway Division website at: http://www.massdot.state.ma.us/highway/DoingBusinessWithUs/Construction/ConstructionScheduleToolkit.aspx
For Type A and B Contracts only: All items to be paid, including all Unit Price and Lump Sum pay items, shall be identified by activity. This shall include all non-construction activities
such as engineering work; purchase of permanent materials and equipment, purchase of structural steel stock, equipment procurement, equipment delivery to the site or storage location
and the representative amount of overhead/indirect costs that was included in the Contractor’s Bid Prices.
EARLY AND LATE DATES
Early Dates shall be based on proceeding with the Work or a designated part of the Work exactly on the date when the corresponding Contract Time commences. Late Dates shall be based
on completing the Work or a designated part of the Work exactly on the corresponding Contract Time, even if the Contractor anticipates early completion.
SECTION 722 (Continued)
DURATIONS
Activity durations shall be in Work Days. Planned Original Durations shall be established with consideration to resources and production rates that correspond to the Contractor’s Bid
Price. Within all of the Department-required schedules, the Contractor shall plan the Work using durations for all physical construction activities of no less than one (1) Work Day
and no greater than fourteen (14) Work Days, unless approved by the Engineer as part of the Baseline Schedule Review.
Should there be an activity with a duration that is determined by the Engineer to be unreasonable, the Contractor will be asked to provide a basis of the duration using bid documents,
historic production rates for similar work, or other form of validation that is acceptable to the Engineer. Should the Contractor and the Engineer be unable to agree on reasonable activity
durations, the Engineer will, at a minimum, note the disagreement in the Baseline Schedule Review along with a duration the Engineer considers reasonable and the basis for that duration.
A schedule that contains a substantial number of activities with durations that are deemed unreasonable by the Engineer will not be accepted.
MATERIALS ON HAND (for Types A and B only)
The Contractor shall identify in the Baseline Schedule all items of permanent materials (Materials On Hand) for which the Contractor intends to request payment prior to the incorporation
of such items into the Work.
ACTIVITY DESCRIPTIONS
The Contractor shall use activity descriptions in all schedules that clearly describe the work to be performed using a combination of words, structure numbers, station numbers, bid item
numbers, work breakdown structure (WBS) and/or elevations in a concise and compact label as specified in the MassDOT-Highway Division Contractor Construction Schedule Toolkit located
on the MassDOT-Highway Division website at:
http://www.massdot.state.ma.us/highway/DoingBusinessWithUs/Construction/ConstructionScheduleToolkit.aspx
ACTIVITY IDENTIFICATION NUMBERS
The Contractor shall use the activity identification numbering system specified in the MassDOT-Highway Division Contractor Construction Schedule Toolkit located online at the address
above.
ACTIVITY CODES
The Contractor shall use the activity codes specified in the MassDOT-Highway Division Contractor Construction Schedule Toolkit located online at the address above.
CALENDARS
Different calendars may be created and assigned to all activities or to individual activities. Calendars define the available hours of work in each Calendar Day, holidays and general
or project-specific non-Work Days such as Fish Migration Periods, time of year (TOY) restrictions and/or area roadway restrictions.
SECTION 722 (Continued)
Examples of special calendars include, but are not limited to:
Winter Shutdown Period, specific work is required by separate special provision to be performed during the winter. See Special Provision 8.03 (if applicable)
Peak traffic hours on heavily traveled roadways. This shall be from 6:30 am to 9:30 am and from 3:30 pm to 7:00 pm, unless specified differently elsewhere in the Contract.
Special requirements by sensitive abutters, railroads, utilities and/or other state agencies as defined in the Contract.
Cape Cod and the Islands Summer Roadway Work Restrictions: A general restriction against highway and bridge construction is enforced between Memorial Day and Labor Day, unless otherwise
directed by the Engineer. Refer to the Project Special Provisions for specific restrictions.
Cape Ann Summer Roadway Work Restrictions: While there are no general restrictions for Cape Ann as there are for Cape Cod and the Islands, project-specific restrictions may be enforced.
Refer to the Project Special Provisions for specific restrictions.
Turtle and/or Fish Migration Periods and/or other in-water work restrictions: Refer to the Project Special Provisions for specific restrictions.
Working over Waterways Restricted Periods: Refer to the Project Special Provisions for specific restrictions.
Night-time paving and striping operations, traffic and temperature restrictions: Refer to the Project Special Provisions for specific restrictions.
Utility Restrictions shall be as specified within the Contract.
FLOAT
For the calculation of float in the CPM schedule, the setting for Retained Logic is required for all schedule submissions, starting with the Baseline Schedule Submission. Should the
Contractor have a reason to propose that an alternative calculation setting such as Progress Override be used, the Contractor shall obtain the Engineer’s approval prior to modifying
to this setting.
COST AND RESOURCE LOADING (Types A and B only)
For all Type A and B Schedules, the Contractor shall provide a cost and resource-loaded schedule with an accurate allocation of the costs and resources necessary to complete the Work.
The costs and resources shall be assigned to all schedule activities in order to enable the Contractor to efficiently execute the Contract requirements and the Engineer to validate
the original plan, monitor progress, provide cash flow projections and analyze delays.
Each schedule activity shall have an assigned cost that accurately represents the value of the Work. Each schedule activity shall have its resources assigned to it by craft and the
anticipated hours to accomplish the work. Each schedule activity’s equipment resources shall be assigned to it by equipment type and hours operated. Front-loading or other unbalancing
of the cost distribution will not be permitted.
The sum of the cost of all schedule activities shall be equal to the Contractor’s Bid Price.
Indicating the labor hours per individual, per day, by craft and equipment hours/day will be acceptable.
SECTION 722 (Continued)
The Engineer reserves the right to use the cost-loading as a means to resolve changes, disputes, time entitlement evaluations, increases or decreases in the scope of Work, unit price
renegotiations and/or claims.
For all Type A and B Schedules, all subnets, fragnets, Proposal Schedules, and Recovery Schedules shall be cost and resource- loaded to help to quickly validate and monitor the duration
of the Work to be performed.
For Type A Schedules, cost-loading of the schedule will also be used for cash flow projection purposes.
The cost-loading of each activity shall indicate the portion of the cost for that activity that is applicable to a specific bid item (cost account.) The total cost for each cost account
must equal the bid item price.
For Type A Schedules, each month, the Contractor will be paid using the Cost-loaded CPM activities for Lump Sum payment items. This requirement supersedes any requirements elsewhere
in this Contract regarding partial payments of schedule-of- values for all Lump Sum items.
NOT TO BE USED IN THE CONTRACTOR’S CPM SCHEDULE
Milestones or constraint dates not specified in the Contract
Scheduled work not required for the accomplishment of a Contract Milestone
Use of activity durations, logic ties and/or sequences deemed unreasonable by the Engineer
Delayed starts of follow-on trades
Float suppression techniques 722.62Submittal Requirements
All schedules shall be prepared and submitted in accordance with the requirements listed below.
Each monthly Contract Progress Schedule submittal shall be uniquely identified.
Except as stated elsewhere in this subsection, schedule submittals shall include each of the documents listed below, prepared in two formats, for distribution as follows:
four (4) compact discs (CD); one (1) each for the Office of Project Controls and Performance Oversight (O-PC&PO), the Boston Construction Section Office, the District Construction Office
and the Resident Engineer’s Office. Additional copies shall be required if the work is performed in more than one district.
two (2) hard copies plotted in color on 24” X 36” paper; one (1) copy each for the District Construction Office and the Resident Engineer’s Office. No copies for the O-PC&PO and the
Boston Construction Section Office. Additional copies shall be required if the work is performed in more than one district.
SECTION 722 (Continued)
A.Narratives
A written narrative shall be submitted with every schedule submittal. The narrative shall:
itemize and describe the flow of work for all activities on the Critical Path in a format that includes any changes made to the schedule since the previous Contract Progress Schedule
/ Monthly Update or the Baseline Schedule, whichever is most recent;
provide a description of any specification requirements that are not being followed. Identify those that are improvements and those that are not considered to be meeting the requirements;
provide all references to any Notice of Delay that has been issued, within the time period of the Contract Progress Schedule Update, by letter to the Engineer. Note that any Notice
of Delay that is not issued by letter will not be recognized by the Engineer. See Subsection 722.64.A - Notice of Delay;
provide a description of each third-party utility’s planned vs. actual progress and note any that are trending late or are late per the durations and commitments as provided in the PUC
Form; provide a description of the five (5) most important responses needed from the Department and the need date for the responses in order to maintain the current Schedule of Record;
provide a description of all critical issues that are not within the control of the Contractor or the Department (third party) and any impact they had or may have on the Critical Path;
provide a description of any possible considerations to improve the probability of completing the project early or on-time;
compare Early and Late Dates for activities on the Critical Path and describe reasons for changes in the top three (3) most critical paths;
describe the Contractor's plan, approach, methodologies and resources to be employed for completing the various operations and elements of the Work for the top three (3) most critical
paths. For update schedules, describe and propose changes to those plans and verify that a Proposal Schedule is not required;
describe, in general, the need for shifts that are not 5 days/week, 8 hours/day, the holidays that are inserted into each calendar and a tabulation of each calendar that has been used
in the schedule;
describe any out-of-sequence logic and provide an explanation of why each out-of-sequence activity does not require a correction, if one has not been provided, and an adequate demonstration
that these changes represent the basis of how these activities will be built, including considerations for resources, dependencies and previously-approved production rates;
identify any possible duration increases resulting from actual or anticipated unit price item quantity overruns as compared to the baseline duration, with a corresponding suggestion
to mitigate any possible delays to the Critical Path. If the delay is anticipated to impact the Critical Path, refer to Subsections 4.06 - Increased or Decreased Contract Quantities
and 8.10 - Determination and Extension of Contract Time for Completion and submit a letter to the Engineer notifying of a potential delay;
include a schedule log consisting of the name of the schedule, the data date and the date submitted.
SECTION 722 (Continued)
B.Bar Charts (Types A, B, C and D)
One (1) timescaled bar chart containing all activities shall be prepared and submitted using a scale that yields readable plots and that meets the requirements of Subsection 722.61 -
Schedule Content and Preparation Requirements Activities shall be linked by logic ties and shown on their Early Dates. Critical Paths shall be highlighted and Total Float shall be shown
for all activities.
A second timescaled bar chart shall also be prepared containing only the Critical Path or, if the Critical Path is not the longest path, the Longest Path using a scale that yields readable
plots and that meets the requirements of Subsection 722.61 - Schedule Content and Preparation Requirements. Activities shall be linked by logic ties and shown on their Early Dates.
Total Float shall be shown for all activities.
Bar Charts shall be printed in color and submitted on 11” X 17” paper or, if approved by the Engineer, as a .pdf file.
C.Detailed Activity Schedule Comparisons
A Detailed Activity Schedule Comparison (DASC) is a simple reporting tool in the format of a graphical report that will provide Resident Engineers with immediate, timely and up-to-date
information. The DASC consists of an updated bar chart that overlays the current time period’s bar chart onto the previous time period’s bar chart for an easily-read comparison of progress
during the present and previous reporting periods. The DASC shall be prepared and submitted in accordance with the instructions contained in the Construction Schedule Toolkit located
on the MassDOT-Highway Division website at:
http://www.massdot.state.ma.us/highway/DoingBusinessWithUs/Construction/ConstructionScheduleToolkit.aspx
The reports described in Subsections D, E and F below shall be submitted with all of the schedules listed in Subsection722.20 - General:
D.Activity Cost Report and Monthly Cash Flow Projections (Type A only)
With each Contractor Quantity Estimate (CQE), the Contractor shall submit an Activity Cost Report and Cash Flow Projection that includes all activities grouped by Contract Bid Item.
The Activity Cost Report shall be generated from the Schedule of Record and shall be the basis of the Monthly Cash Flow Projection. Within each contract Bid Item, activities shall
be sequenced by ascending activity identification number and shall show: activity ID and description, forecast start and finish dates for each activity and, when submitted as a revised
schedule, actual start and finish dates for each completed activity.
For Unit Price pay items, in addition to the above, estimates to complete and any variance to the estimated Contract quantity shall be shown.
E.Resource Graphs (Type A only)
Monthly and cumulative resource graphs for the remaining Contract period using the Early Dates and Late Dates in the Contract Progress Schedule shall be included as part of each schedule
submittal.
SECTION 722 (Continued)
F.Projected Spending Reports (Types B, C and D)
A Projected Spending Report (PSR) shall be prepared and submitted in accordance with the instructions listed at the end of this section. The PSR shall indicate the monthly spending
(cash flow) projection for each month from NTP to Contractor Field Completion (CFC). Each month’s actual spending shall be calculated using all CQEs paid during that month. If the
difference between the Contractor’s monthly projections vs. the actual spending is greater than 10%, the Contractor’s monthly spending projection shall be revised and resubmitted within
fifteen (15) Calendar Days.
The Projected Spending Report (PSR) shall be depicted in a tabular format and printed in color on 11 x 17-sized paper or larger as approved by the Engineer. For additional instructions
and a template for preparing the Projected Spending Report (PSR), refer to the Contractor’s Construction Schedule Toolkitlocated on the MassDOT-Highway Division website at:
http://www.massdot.state.ma.us/highway/DoingBusinessWithUs/Construction/ConstructionScheduleToolkit.aspxor consult with the District Construction Scheduler.722.63.Progress Schedule Requirements
A.Baseline Schedule
The Baseline Schedule shall be due thirty (30) Calendar Days after Notice to Proceed (NTP.) The Baseline Schedule shall only reflect the Work awarded to the Contractor and shall not
include any additional work involving Extra Work Orders or any other type of alleged delay. The Baseline Schedule shall be prepared and submitted in accordance with Subsections 722.61
- Schedule Content and Preparation Requirements and 722.62 - Submittal Requirements. Once the Baseline Schedule has been accepted by the Engineer, with or without comments, it shall
represent the as-planned schedule for the Work and become the Contract Progress Schedule of Record until such time as the schedule is updated or revised under Subsections 722.63.C -
Contract Progress Schedules / Monthly Updates, 722.64.C - Recovery Schedules and 722.64.D - Proposal Schedules.
The Cost and Resource-Loading information (Types A and B only) shall be provided by the Contractor within forty-five (45) Calendar Days after NTP.
The Engineer’s review comments on the Baseline Schedule and the Contractor’s responses to them will be maintained for the duration of the Contract and will be used by the Engineer to
monitor the Contractor’s work progress by comparing it to the Contract Progress Schedule / Monthly Update.
B.Interim Progress-Only Schedule Submissions
The first monthly update of the Contract Progress Schedule/Monthly Update is due within seventy (70) Calendar Days after Notice to Proceed (NTP.) The Baseline Schedule review period
ends at sixty (60) Calendar Days after NTP, see Subsection 722.60.B - Schedule Reviews by the Department. If the Baseline Schedule has not been accepted within sixty (60) Calendar Days
after NTP, an Interim Progress-Only Schedule shall be due within seventy (70) Calendar Days after NTP. The purpose of the Interim Progress-Only Schedule is to document the actual progress
of all activities, including non-construction activities, from NTP until the Baseline Schedule is accepted.
SECTION 722 (Continued)
C.Contract Progress Schedules / Monthly Updates (Types A, B, C and D)
The first Contract Progress Schedule shall be submitted by the Contractor no later than seventy (70) Calendar Days after NTP. The data date for this first Progress Schedule shall be
sixty (60) Calendar Days after NTP. Subsequent Progress Schedules shall be submitted monthly.
Each Contract Progress Schedule shall reflect progress up to the data date. Updated progress shall be limited to asbuilt sequencing and asbuilt dates for completed and inprogress activities.
Asbuilt data shall include actual start dates, remaining Work Days and actual finish dates for each activity, but shall not change any activity descriptions, the Original Durations,
or the Original Resources (as planned at the time of bid), without the acceptance of the Engineer. If any activities have been completed out-of-sequence, the Contractor shall propose
new logic ties for affected in-progress and future activities that accurately reflect the previously-approved sequencing. Alternatively, the Contractor may submit to the Engineer for
approval an explanation of why an out-of-sequence activity does not require a correction and an adequate demonstration that the changes accurately represent how the activities will be
built, including considerations for resources, dependencies and previously approved production rates. Once approved by the Engineer, the Contractor may incorporate the changes in the
next Contract Progress Schedule/Monthly Update with the affected activities clearly identified and explained in the Schedule Narrative.
No revisions to logic ties; sequence, description or duration of future activities; or planned resource costs shall be made without prior approval by the Engineer.
Any proposed logic changes for in-progress or future activities shall be submitted to the Engineer for approval before being incorporated into a Contract Progress Schedule. The logic
changes must be submitted using a Proposal Schedule or a schedule fragnet submission. Once approved by the Engineer, the Contractor may incorporate the logic in the next Contract
Progress Schedule/Monthly Update with the affected activities clearly identified and explained in the Schedule Narrative.
For any proposed changes to the original sequence, description or duration of future activities, the Contractor shall submit to the Engineer for approval an explanation of how the proposed
description or duration change reflects how the activity will be progressed, including considerations for resources and previously approved production rates. Any description or duration
change that does not accurately reflect how the activity will be progressed will not be approved by the Engineer. Once approved by the Engineer, the Contractor may incorporate the changes
in the next Contract Progress Schedule/Monthly Update with the affected activities clearly identified and explained in the Schedule Narrative.
Except as otherwise designated by a Contract Modification, no Contract Progress Schedule that extends performance beyond the Contract Time and/or beyond any Contract Milestone shall
be approved by the Engineer. The Contractor shall submit a Recovery Schedule if any Contract Progress Schedule/Monthly Update indicates a failure to meet the Contract Dates.
D.Short-Term Construction Schedule
The Contractor shall provide a Short-Term Construction Schedule that details daily work activities, including any multiple shift work that the Contractor intends to conduct, in a bar
chart format. The daily activities shall directly correspond to the Contract Progress Schedule activities, with a matching reference to the activity identification number in the Contract
Progress Schedule, and may be at a greater level of detail.
SECTION 722 (Continued)
The Short-Term Construction Schedule shall be submitted every two weeks. It shall display all work for a thirty-five (35) Calendar Day period consisting of completed work for the two
(2) week period prior and all planned work for the following three (3) week period. The initial submission shall be provided no later than thirty (30) Calendar Days after NTP or as
required by the Engineer.
The Contractor shall be prepared to discuss the Short-Term Construction Schedule, in detail, with the Engineer in order to coordinate field inspection staff requirements, the schedule
of work affecting abutters and any corresponding work with affected utilities. Short-Term Construction Schedules shall be prepared and submitted in accordance with Subsections 722.61
- Schedule Content and Preparation Requirements and 722.62 - Submittal Requirements. Failure to submit Short-Term Construction Schedules every two (2) weeks may result in withholding
of full or partial payments by the Engineer.722.64Impacted Schedule Requirements
A.Notice of Delay
The Contractor shall notify the Engineer in writing, with copies to the District and State Construction Engineers, within three (3) Calendar Days of the start of any delays to the Critical
Path that are caused by actions or inactions that were not within the control of the Contractor. Delay notifications that are not provided in a letter to the Engineer, such as a delay
notification in the schedule narrative, will not be recognized as contractual notice in the determination of any Time Extension related to the impacts to the work associated with this
specific alleged delay. Should such delay continue for more than one (1) week, the Contractor shall note it in the Schedule Narrative until the delay is no longer impacting the Critical
Path for the completion of the Contract Milestones. The Engineer will evaluate the alleged delay and its impact and will respond to the Contractor within ten (10) Calendar Days after
receipt of a notice of delay.
B.Time Entitlement Analysis
A Time Entitlement Analysis (TEA) shall consist of a descriptive narrative, prepared in accordance with Subsection 722.62.A - Narratives, and an as-built CPM schedule, which may be in
the form of a schedule fragnet ( that has been developed from the project’s Contract Progress Schedule of Record, and illustrates the impact of a delay to the Critical Path, Contract
Milestones and/or Contract Completion Date as required in Subsection 8.10 - Determination and Extension of Contract Time for Completion. TEAs shall also be used to determine the schedule
impact of proposed Extra Work Orders (EWO) as also required in Subsection 8.10.
TEAs shall be prepared and submitted in accordance with the requirements of Subsections 722.61 - Schedule Content and Preparation Requirements and 722.62 - Submittal Requirements and
shall be based on the Contract Progress Schedule of Record applicable at the start of the delay or impact from an EWO. A TEA fragnet must start with a specific new activity describing
the work contained in either a Notice of Delay previously submitted to the Department per Subsection 722.64.A - Notice of Delay or an EWO.
SECTION 722 (Continued)
TEAs shall be submitted:as part of any Extra Work Order that may impact Contract Time,with a request for a Time Extension,within fourteen (14) Calendar Days after a request for a TEA
by the Engineer for any other reason.
A TEA shall be submitted to the Engineer before any Time Extension is granted to the Contractor. Time Extensions will not be granted unless the TEA accurately reflects an evaluation
of all past delays and the actual events that occurred that impacted the Critical Path. The TEA must also demonstrate a plan for the efficient completion of all of the remaining work
through an optimized CPM Schedule. The analysis shall include all delays, including Contractor-caused delays, and shall be subdivided into timeframes and causes of delays.
TEAs shall incorporate any proposed activities, logic ties, resource considerations, and activity costs required to most efficiently demonstrate the schedule impacts in addition to detailing
all impacts to existing activities, logic ties, the Critical Path, Contract Milestones and the Contract Completion Date. In addition, TEAs shall accurately reflect any changes made
to activities, logic ties, restraints and activity costs, necessitated by an Extra Work Order or other schedule impact, for the completion of the remaining work. The Contractor shall
provide TEAs that demonstrate that all delays have been mitigated to the fullest extent possible without requiring an Equitable Adjustment to the original bid basis.
All TEAs shall clearly indicate any overtime hours, additional shifts and the resource that are proposed to be incorporated in the schedule. The Engineer shall have final discretion
over the use of overtime hours and additional shifts. The Engineer shall have the right to require that overtime hours and/or additional shifts be used to minimize the duration of Time
Extensions if it is determined to be in the best interest of the Department to do so.
When accepted, the changes included in a TEA shall be incorporated into the next Contract Progress Schedule per the requirements of Subsection 722.63.C - Contract Progress Schedules
/ Monthly Updates.
During the review of any TEA, all Contract Progress Schedules shall continue to be submitted as required.
The Engineer may request that the Contractor prepare a Proposal Schedule or a Recovery Schedule to further mitigate any delays that are shown in the accepted TEA/Contract Progress Schedule.
C.Recovery Schedules
The Contractor shall promptly report to the Engineer all schedule delays during the prosecution of the Work. Except as otherwise designated by a Contract Modification, no Contract Progress
Schedule that extends performance beyond the Contract Time and/or beyond any Contract Milestone shall be approved by the Engineer. The Contractor shall submit a Recovery Schedule within
fourteen (14) Calendar Days of a Contract Progress Schedule submission that shows failure to meet the Contract Dates. This requirement is critical to the Department’s ability to make
informed decisions regarding Contract Time and costs.
SECTION 722 (Continued)
During the prosecution of the Work, should the Contractor’s progress on a critical operation clearly not meet anticipated production, without cause by fault of the Department, or should
a critical activity or series of activities not be staffed in accordance with the Contractor’s approved Baseline Schedule resource planning, the Contractor shall be obligated to recover
such delay. Recovery Schedules shall be prepared and submitted in accordance with Subsections 722.61 - Schedule Content and Preparation Requirements and 722.62 - Submittal Requirements
within fourteen (14) Calendar Days of any of the cases listed above.
Recovery Schedules shall clearly indicate any proposed overtime hours, additional shifts, and the resources that are proposed to be incorporated in to the schedule. The Engineer shall
have final discretion over the use of overtime hours and additional shifts and shall have the right to require that overtime hours and/or additional shifts be used to minimize the duration
of Time Extensions, without additional compensation for any Contractor delays, if it is determined to be in the best interest of the Department to do so.
During the review of any Recovery Schedule, all Contract Progress Schedules shall continue to be required every month.
The Engineer may request that the Contractor prepare a Recovery Schedule to further mitigate any delays that are shown in an accepted TEA/Contract Progress Schedule.
Changes represented in accepted Recovery Schedules shall be incorporated into the next Contract Progress Schedule.
D.Proposal Schedules
A Proposal Schedule is an alternative schedule used to evaluate proposed changes to the Contract scope or significant alternatives to previously approved approaches to complete the Work,
which may include changes to activity durations, logic and sequence. For Types A and B Schedules, the Proposal Schedule shall be cost and resource-loaded.
A Proposal Schedule may be requested by the Department at any time or may be offered by the Contractor. The Engineer may request that the Contractor prepare a Proposal Schedule to further
mitigate any delays that are shown in an accepted TEA/Contract Progress Schedule.
The Contractor shall submit the Proposal Schedule within thirty (30) Calendar Days of a request from the Department.
The Proposal Schedule shall not be considered a Schedule of Record until the logic, durations, narrative and basis of the Proposal Schedule have been accepted by the Engineer. If the
Proposal Schedule took the form of a fragnet, it must be incorporated into the Contract Progress Schedule of Record showing the current progress of all other activities and the impacts/results
of the changes made by the Proposal Schedule before the Proposal Schedule is accepted by the Department.
Proposal Schedules shall clearly indicate any proposed overtime hours, additional shifts, and the resources that are proposed to be incorporated in the schedule. The Engineer shall
have final discretion over the use of overtime hours and additional shifts.
Changes represented in accepted Proposal Schedules shall be incorporated into the next Contract Progress Schedule. During the review of any Proposal Schedule, all Contract Progress
Schedules shall continue to be required every month.
SECTION 722 (Continued)
E.Disputes (Types A, B, C and D)
All schedules shall be submitted, reviewed, dispositioned and accepted in the timely manner specified herein so as to provide the greatest possible benefit to the execution of this Contract.
Any dispute concerning the acceptance of a schedule or any other question of fact arising under this subsection shall be determined by the Engineer. Pending resolution of any dispute,
the last schedule accepted by the Engineer will remain the Contract Schedule of Record.COMPENSATION722.80Method of Measurement and Basis of Payment (Types A, B, C and D)
The Special Provisions will specify the fixed-price amount to be paid to the Contractor for the Project Schedule requirements contained herein. Each bidder shall include this lump-sum,
fixed-price bid item amount in his/her bid. Failure to do so may be grounds for the rejection of the bid.
All required schedule-related work, including, but not limited to computers, computer software, the planning and coordination with utilities, training, schedule preparation and schedule
submittals will be paid for under the fixed price amount.
This fixed price amount is for payment purposes only and is separate from what the Department considers to be the Contractor’s General Condition costs. If the Contractor deems it necessary
to include additional costs to provide all of the requirements of this section, these additional costs shall be included in the Contractor’s overall bid price.
Twenty percent (20%) of this pay item will be paid upon the Engineer’s acceptance of the Contractor’s Baseline Schedule, prepared and submitted in accordance with Subsection 8.02.C.
The remaining eighty percent (80%) of this pay item will be paid in equal monthly installments distributed across the Contract Duration from Notice to Proceed (NTP) to Contractor Field
Completion (CFC), less the 2 months required for the submittal and review of the Baseline Schedule in accordance with the following formula:Remaining Fixed Price amount (80% of Item
100.)
Monthly Payment = Contract Duration in whole months – 2 months
The timely and accurate submission of the Baseline Schedule is critical to the Contract and the Department’s ability to make informed decisions. Only payments under Item 740 - Engineer’s
Field Office and Item 748 – Mobilization will be made until the Baseline Schedule is accepted by the Engineer.
SECTION 722 (Continued)
No payment for any other pay item will be processed beyond seventy-five (75) Calendar Days from Notice to Proceed (NTP) until the Baseline Schedule is accepted by the Engineer. Until
the Engineer’s acceptance of the Baseline Schedule, the combined total of all payments made to the Contractor will be limited to an amount no greater than the total price for Item 748
- Mobilization or 3% of the contract price, whichever is less.
All Contract Progress Schedule Updates submitted later than ten (10) Calendar Days after the CQE (Contract Quantity Estimate) completion date, or greater than forty (40) Calendar Days
from the Data Date of the previous submission, will be deemed to be no longer useful and will not qualify for payment. Late submittal of missed Contract Progress Monthly Updates will
not result in recovery of the previously forfeited portion of the Schedule of Operations Fixed Price Payment Item.
Failure to submit schedules as and when required may result in the forfeiture of that portion of the Schedule of Operations Fixed Price Payment and/or the withholding of the full or
partial CQE payments by the Engineer.
Failure to submit schedules that are acceptable to the Engineer may result in the forfeiture of that portion of the Schedule of Operations Fixed Price Payment and/or the withholding
of the full or partial CQE payments by the Engineer.
The Schedule of Operations pay item will be adjusted to pay for only the actual quantity of schedules that have been submitted in accordance with this section.
The Contractor's failure or refusal to comply with the requirements of this Section shall be reasonable evidence that the Contractor is not prosecuting the Work with due diligence and
may result in the withholding of full or partial payments by the Engineer.
Should there be a Time Extension granted to the Contractor, the Engineer may provide an Equitable Adjustment for additional Contract Progress Schedule Updates at intervals directed by
the Engineer. Item 100. will be the basis for this Equitable Adjustment.722.82Payment Items100.SCHEDULE OF OPERATIONS - FIXED PRICE $30,000LUMP SUM
VALUE ENGINEERING CHANGE PROPOSAL
This Subsection defines the conditions and requirements which apply to Value Engineering Change Proposals (“VECPs”). The purpose of this provision is to encourage the Contractor to propose
changes in certain project requirements that will maintain the project’s functional requirements at a savings in contract time, contract price, or both. The net savings obtained by
using a VECP that meets the conditions and requirements set forth here will be shared by the Contractor and MassDOT.
VECP’s under this provision are to be initiated, developed and submitted to MassDOT by the Contractor. The VECP must show the contemplated changes to the Drawings, Specifications and
other requirements in the Contract. When a VECP submitted pursuant to this section is fully accepted by MassDOT, the VECP will be implemented by the Contractor and paid using the current
cost and resource loaded schedule. Contractor shall demonstrate that the VECP is equal to, or better than, the original design or material; that there is an interest in public safety
within the VECP; that there is a life-cycle cost benefit; and/or that end users will benefit from the shortened schedule. VECPs shall be consistent with the MassHighway/MassDOT Standard
Specifications for Highways and Bridges and other applicable reference documents and directives. Any proposed deviation from these documents will need to be clearly identified in the
VECP Proposal Documents, and must be approved by MassDOT’s Chief Engineer before accepting this VECP.
A.In order to be considered for MassDOT review each VECP shall:1.Be clearlylabeled pursuant tothisSubsection;2.Yield anetsavings atleast twohundredandfiftythousand(250,000.00)Dollars
and/or anetsaving ofcontractcompletiondurationofat leastthree(3)months;3.The proposed changes to contract items must:a. maintainthespecifieditems’requiredfunctions(servicelife,reliability);b.meet
applicable safety regulations and codes;c.material substitutions must be in accordance with DOT prequalified/preapproved products and must be tested in accordance with standard material
specs/testing methods ( and considering all relevant environmental, load, and other relevant factors);d.show economy of operation, ease of maintenance, ease of construction, and necessary
standardized features and appearance; and4.Shall not require an extension of Contract Time or Contract Milestones, with the exception of cases when there are anticipated significant
cost saving.
VALUE ENGINEERING CHANGE PROPOSAL (Continued)
The thresholds above are considered to be a general guideline. MassDOT will consider VECPs outside of these thresholds if a significant benefit is demonstrated. Additionally, notwithstanding
this VECP process, MassDOT will consider minor revisions in the form of a Contract Modification.
Further, any VECP submitted shall be in sufficient detail to clearly define the proposed change. The Contractor's failure to provide information of the type, detail and in a format to
facilitate the MassDOT's review, may be grounds for rejection of the VECP. Additionally, the Contractor will not be entitled to any equitable adjustment or increased Time, due to any
aspect of any of the proposed VECP including permitting, right of way, utility coordination or delayed responses by MassDOT. If, after the progression of the work associated with the
executed Contract Modification for the VECP, any additional costs are realized by the Contractor or any of the sub- consultants, sub-contractors, or suppliers, the Contractor shall be
obligated to pay for any and all costs.
B.The following initial items shall be provided by the Contractor for MassDOT’s review. Items 1-6 needto be submittedpriortothestartofMassDOT’sreviewof theVECPand item7isan important
considerationforthe pricingoftheVECPand the timelineofthe proposedVECPschedule.1.VECPDescription:Adescriptionof thedifferencebetweentheexistingandthe proposed Contractrequirements,and
thecomparativeadvantagesand disadvantagesof each;2. VECPChangeListing:Alistingof theContractrequirementsthat willneedtobe changed,modified,or reviewedaswellastheproposedContractdocument
changes intheInstructions toBidders,Contract,StandardSpecifications,General RequirementsandSpecialProvisionsrequiredbytheVECP.3. ConstructionSchedule Update:Anychangesin the ContractTime(s)or
Contract Milestone(s),thatwillresultfromacceptanceof the VECP,shall beaccompaniedby acontemporaneousscheduleanalysis(i.e,the Contractor’sbaselineschedule submission, all past/requiredmonthlyschedule
updates, a detailedassessmentofall pastdelays,and a resourceloadedCriticalPath Methodscheduleasspecifiedin Section8.0/Subsection8.02 of this Contract)of theprojectedWorkthatremains
includingtheproposedVECPrelatedschedulechanges(inclusiveofthetimelineto reviewaccepttheVECPand thetimelineforimplementingthe designchanges)inthe remainingwork. Thisshall besubmittedin
theformof aProposalSchedule untilthe VECP hasbeenformallyaccepted.Note:Allof this informationistobeupdated, recertified,and formallyacceptedbyMassDOTbeforefinalacceptanceof thisthis
VECPisissued.
VALUE ENGINEERING CHANGE PROPOSAL (Continued)4. DateforMassDOT’sAcceptance:Astatementthatclearlyjustifiesthedate by which theVECPmustbeacceptedtoobtainthe maximumpricereduction,notingany
effectupon theContractTime(s)and/orContractMilestone(s).Thisstatementmust includeanarrativethat demonstratesthe mostrecentconstructionschedulehas beenutilizedtojustifythatproposedacceptancedate(e.g.“in
ordertostart to fabricate criticalmaterials,authorizationmustbeprovidedto workon theshop drawingsbyno laterthan[date]”).TheContractorshould allowfor atleast sixty (60)toninety(90)daysfor
acceptanceby MassDOTonceallof theVECP documentation has beenprovided.AcceptanceshallmeanthatMassDOThas receivedafinalizedand executedcontractmodification.However,this isa proposed Contractchange.
The Contractor is fully obligated to progress the Work of the original Contract and MassDOT is not liable for any delays or costs that may occur in the review phase of any VECP proposal.5.Cost
andSavingsEstimates:A detailedestimateof theanticipatednetsavings, calculatedasfollows:a.OriginalScope:Isolatethecost ofperformingtheoriginalcontractconstructionactivities,inaccordancewith
theoriginalContractDocuments,as originallybid by theContractor,thatare anticipatedto besupersededbythe VECP.This cost is toincludeanyoriginalcontract scopethatisanticipatedto bealteredor
eliminatedbytheVECPsuch as, shop drawingpreparation,inspectionwork, testing, maintenanceoftraffic, oranyotheroriginal contract costs, thathave yet to havebeenperformedat thetime of thisVECPsubmission.b.New
VECPScope: Calculatethecost ofperformingthecomparableconstructionactivitiesassociatedwiththeVECP.c.Contractor’sEngineer&Inspection:Calculatethecost of engineering, inspection,anddesignworkby
the Contractor’sEngineer/Designer.Thisshould bearealisticestimateofthecosts ofanyrequiredengineering,designand reviewworkby theContractor’s Engineer.d. MassDOT’sCosts:MassDOT'sestimateof
coststo performengineering/design reviews,cost estimatereviews,schedulereviews,andany otheradministrative costs toreviewand recommendimplementationof theproposedVECP. (including allanticipatedincreasedcosts
toMassDOT on otherContracts and all anticipatedfollow-onincreasedcosts toMassDOT,ifany) asprovidedby MassDOT.MassDOT’sestimated costs mustbeincluded theVECPcalculation andwillbeprovidedbyMassDOTinsupportof
the VECP evaluationprocess.e.Other Costs:Estimatedcosts associated withanyrevisionstootherproject related costs,suchasEnvironmentalPermitsor RightofWayacquisitions, includingotheragencyor
municipalitycosts,asprovidedbyMassDOT.
VALUE ENGINEERING CHANGE PROPOSAL (Continued)
NetSavings:
The netsavingstobe splitbetween MassDOTandtheContractorshallbe calculatedusingtheitems aboveasfollows:a- (b+c+d+e)= netsavings6. TheContractorshallalso provide:a.A proposedChangeOrder,whichexplainsand
justifiesany requiredEquitable Adjustmentin theContractPrice.b.The Contractor'sactualcosts expendedfordevelopingtheVECPasof thedateof theVECPsubmission;
7. DesignChangesandDrawings:Thecoststhatare outlinedaboveshouldbe inclusive of thefollowingdesignandengineeringresponsibilities.a.DesignchangesshallbepreparedandstampedbytheContractor’sprofessional
designerand/or engineer.Inaddition, inthedevelopmentof theVECP;the Contractorisresponsibleforanticipating and managingallaspectsassociated with anyVECPdesignworkthatmustbeperformedby
alicensedEngineer.b.The Contractor’sengineermustanalyzeand stampallcomponentsofanyaspect of theprojectthathasbeen redesigned,changed,or alteredasaresultof this VECP.c.TheContractor’sengineershallprovideall
calculationsandsupporting design/engineeringdocumentationthatwasutilizedtodevelop thechangesand stampeddrawings.Thesewillbeusedby MassDOT’sDesigner-of-Recordto reviewthe VECPchanges.TheContractorislimitedtoselectingonlythose
engineer’sthathave been pre-qualifiedbyMassDOT’sA&EBoard.d.MassDOT’sDesigner-of-Recordwillreviewand respondtoall completeddesign submissionsrelatedtothis VECPwithinthirty(30)calendar
days,unless determinedtobeanon-critical pathitem.e.MassDOT willberesponsibleforestimatingandmanagingMassDOT’sDesigner- of-Recordduring theVECPreviewandimplementation. Shouldanysignificant
conflictsarise,betweenthe Contractor’sEngineerand MassDOT’sDesigner-of- Record,theDOTand theContractorwill workexpeditiouslytoresolvethe conflict.Should thistypeof conflict continue
forgreaterthanfive(5)days,the Contractoristobearall financial and time relatedimpactsof suchdelayand mustseektoresolvethedesignconflict, inanacceptablemannertoMassDOT. Theresolution
of thisconflictwillbefundedat the Contractor’sexpense– exclusiveof thenetsavingthatwasagreedtoat theexecutionof thecontract modification forthisVECP.f.TheContractor’sEngineermayalsoberequiredtoinspecttheconstruction
work.The Contractoristoincludesuch anticipatedinspectioncosts in theinitial VECP.
VALUE ENGINEERING CHANGE PROPOSAL (Continued)g.MassDOT’sDesigner ofRecordwillremaintheDesigner-of-Recordfortheentire Project.Any costs incurred intheuseof MassDOT’sDesigner-of-Recordby
MassDOTor ContractorassociatedwiththereviewofaVECParetobeincluded inthecalculatednetsavings.
C.ApprovaloftheVECPshall not occuruntilaContract Modification,incorporatingthe VECP,isissuedbyMassDOT and properlyexecutedbythe Contractor.MassDOT may acceptor rejectpartor all of anyVECPat
anytimepriortoanexecutedContract Modificationfortheapplicable VECP.ThedecisionofMassDOT,concerningacceptance or rejectionofanyVECP,shallbefinalandshall notbesubject todisputeresolution.
Itis expectedthatseveralweeksmaygoby beforethefinalVECPdocumentationhas beenexecutedwithaContractModification.Therefore,MassDOT intendstomake certainthatthe initial cost estimateinformationhasnotchangedbeforeenteringintoa
ContractModification.As theVECPevaluationprocessis finalized,andprior tothe signedContractModificationfor theVECP,theContractorand MassDOTmustre-certifythecurrentstatusof theoriginallyproposedcostand/or
schedulesavings.
Untila contractmodificationisissuedand scheduleandcost/savingsre-certificationis completeandacceptedby MassDOT,the Contractorshallremainobligatedtoperform theWorkin accordancewith thetermsandconditionsof
theoriginalContract Documents.
Upon completionof theworkassociated withtheVECP,MassDOTmayrequire verificationthattheVECPsavingshasbeenachieved.
D.VECPs willbeprocessed(distributed, reviewed,commentedupon,acceptedorrejected) expeditiously(pursuantto M.G.L.c.30,§39R);however,asthis isan elective modificationtothecontract,MassDOTshallnot
beliablefor any delayorcost inthe reviewand acceptanceoftheVECP. Duringthereviewof theVECP,theContractor remainsobligatedtoprogressthe originalContractscope,andschedule,as planned; untilaContractModification,acceptingtheContractorre-certifiedVECP,
has been executedbyMassDOT.
The Contractorhastherighttowithdrawpart,orall of anyVECP,priortoacceptanceby MassDOT.Suchwithdrawalshallbemade inwritingtotheEngineer.TheContractor shallstatetheperiodof time,fromthedateof
the initialVECPsubmittal,thattheVECP shallremainvalidand feasible.Revision of thisvalidityand feasibilityperiodshallbe allowedonlybymutualagreementof theContractor and the Engineer in
writing.
IftheContractordesirestowithdrawtheproposal priortotheexpiration ofthisperiod fornon-technicalreason,MassDOTreservesthe righttorecoverallactualcosts that have beenincurredtoMassDOT.
VALUE ENGINEERING CHANGE PROPOSAL (Continued)
IftheContractorwithdrawstheVEC Proposal,MassDOT reservesthe righttoproceed with theVECPor any portionof theVECPasanormal changeand theContractorwaives any rightitmayhavehadtoshare in
netsavingsthereunder.
For purposes of thisprovision,expirationof thetimeestablishedbytheContractorfor approvalshallbeconsideredaswithdrawalby the Contractorif MassDOTrequests an extensionof thattimeand theContractordoesnotprovide
awrittenextension.
E.Withregardtounknownconditionsor sub-surfacework,ingeneral,theexpectationis thattheContractorand MassDOT willstrivetogainenoughknowledgeaboutthe risksinordertoprovideaforward-pricedChangeProposal.
Therefore,any costs tofully evaluatetheproposal,suchasadditionalborings and/ortestpits,mustbeconsideredin thecostevaluation ofwhetherthe VECPisworthpursuing.However,ifitisimpractical
togatherconclusiveexploratoryinformation,before theVECPisexecuted,MassDOT mayconsiderprovisionsintheVECPthat clearlyidentifiestherisksharing(costand time)relatedspecificallytotheunknown/sub-surfaceconditions.
IftheseVECP provisionsareacceptabletoMassDOTtheyaretoincludesupplementallanguageto providea determinationofthefinalsavings/cost,and timeimpacts,nolaterthan45 daysafterthe sub-surfaceworkiscompleted.
Allotheraspectsof theVECP, unrelated totheseProvisions,willbebindingupon executionof theVECP.
NOTICE TO OWNERS OF UTILITIES
The following website lists the names and addresses of the utilities presumed to be affected, but the completeness of the list is not guaranteed: http://www.massdot.state.ma.us/
Select Quick Links
Select Doing business with the Highway Division
Select Design/Engineering
Select Utility Contacts
Select District, and then locate the utility.
Municipal officials are shown at website http://www.mass.gov/dor/. From the Main Menu Selection Box select “Local Officials” – click “Go” button, then in the right margin under “Online
Services” select “Local Officials Directory”. Enter the municipality on the left of the webpage and locate the official to contact.CompanyContact
City of NorthamptonJames LaurilaDepartment of Public WorksPh. (413) 587-1570 x4301(incl. Water & Sewer)jlaurila@northamptonma.gov125 Locust StreetNorthampton, MA 01060
City of NorthamptonDuane Nichols, Chief
Fire Rescue DepartmentPh. (413) 587-110926 Carlon Drivednichols@northamptonma.govNorthampton, MA 01060
City of NorthamptonJody Kasper, Chief
Police DepartmentPh. (413) 587-110029 Center Streetjkasper@northamptonma.gov
Northampton, MA 01060
National Grid Electric Sandra Annis
548 Haydenville RoadPh. (413) 582-7424
Leeds, MA 01053sandra.annis@nationalgrid.com
Columbia Gasof Mass.Bryan Meccariello
2025 Roosevelt Avenuebjmeccariello@nisource.com
Springfield, MA 01101
Tennessee Gas Pipeline Co.David Wood
8 Anngina DrivePh. (860) 763-6005
Enfield, CT 06082david.wood@kindermorgan.com
Berkshire Gas Co.Paul Scarpa
115 Cheshire RoadPh. (413) 442-1511Pittsfield, MA 01201pscarpa@berkshiregas.com
NOTICE TO OWNERS OF UTILITIES (continued)CompanyContact
VerizonKaren Mealey
385 Myles Standish BoulevardPh. (774) 409-3160
Taunton, MA 02780karen.m.mealey@verizon.com
Comcast Cable Corp.Wendy Brown
PO Box 6505, 5 Omni WayPh. (978) 848-5163
Chelmsford, MA 01824Wendy_Brown@comcast.com
Crown CastleMark Bonanno
80 Central StreetPh. (508) 616-7818
Boxborough, MA 01719mark.bonanno@crowncastle.com
Five Colleges Inc.Maria Toyofuku
97 Spring StreetPh. (413) 542-4014
Amherst, MA 01002
Axia KCSTJason Wing
30 Elmview CirclePh. (403) 538-4545
Dover, NH 03820jason.wing@axia.com
OTHER AFFECTED PARTIES(To be notified of pre-construction conference)
REGIONAL TRANSIT AUTHORITIES
PVTASandra Sheehan
2808 Main StreetPh. (413) 732-6248 x216
Springfield, MA 01107ssheehan@pvta.com
FRTAMichael Perrault
12 Olive Street, 2nd FloorPh. (413) 774-2262 x105
Greenfield, MA 01301michael@rta.org
DISTRICT UTILITY/CONSTRUCTABILITY ENGINEER
MassDOT Highway, District 2Paul Kelly, District Utility Engineer
811 North King St.(413) 582-0587 (Office)
Northampton, MA 01060paul.kelly@dot.state.ma.us
WORK SCHEDULE
The Contractor shall begin work on those portions of the project so designated only after proper placement of necessary warning devices for the segment of project and all environmental
controls have been put in place.
WORK SCHEDULE(continued)Work that requires the closure of a travel lane shall not be performed between the hours of 7:00 AM and 9:00 AM, and 4:00 PM and 6:00 PM. Set-up and removal
of all equipment and materials for construction and/or traffic maintenance shall be done during the prescribed work hours. The roadway shall be free of the Contractor's personnel and
operations during the restricted hours.Work on this project is restricted to a normal 8-hour day, 5-day week, with the Prime Contractor and all Subcontractors working on the same shift.No
work shall be done on this Contract on Saturdays, Sundays, or Holidays. Work will not be allowed the day before or the day after a holiday without prior approval of the Department.
USE OF GROUNDS AND STREET OCCUPANCYAny area outside the limits of Cityor State Highway layout or temporary or permanent easements which the Contractor may require for storage of equipment
and materials, or for other purposes necessary in the performance of the work, shall be secured by the Contractor at his own expense. Materials, including excavation intended for backfill,
shall not be stored or stacked on roadway surfaces unless specifically permitted by the Department.
Environmental Permitting
Environmental permits have not been obtained, as no work (either temporary or permanent) is proposed to occur in water or wetland resource areas or buffer zones. If Contractor erection,
demolition, storage, or other procedures require work to occur in or otherwise impact water or wetland resource areas or buffer zones, the Contractor is advised that no associated work
can occur until all required environmental permits have been obtained. The Contractor must notify the District 2 Highway Director and Resident Engineer in writing at least 60 days prior
to the desired commencement of the proposed activity. All environmental submittals, including any contact with Local, State, or Federal environmental agencies, must be coordinated through
the District 2 Environmental Engineer. The Contractor is expected to fully cooperate with requests for information and provide same in a timely manner. The Contractor is further advised
that the Department will not entertain a delay claim due to the time required to obtain the environmental permits. As a supplement to Section 7.00 of the Standard Specifications, the
Contractor is reminded that no debris of any type shall be allowed to enter water or wetland resource areas, either temporarily or permanently.
Erosion/Sedimentation Control
All sedimentation barriers shall be maintained in good repair until all disturbed areas have been fully stabilized with vegetation or other means. At no time shall sediments be deposited
in a wetland or water body. During construction, the Contractor or his/her designee shall inspect the erosion controls on a daily basis and shall remove accumulated sediments as needed.
The Contractor shall immediately control any erosion problems that occur at the site and shall also immediately notify the Resident Engineer who reserves the right to require additional
erosion and/or damage prevention controls s/he may deem necessary.
EROSION/SEDIMENT CONTROL(continued)
Any existing erosion controls in place on the site and interfering with the proposed limits of work (including proposed erosion control barriers) must be removed in advance of erosion
control barrier installation.
DRAINAGE
It shall be the Contractor's responsibility to maintain drainage functioning properly in the areas under construction prior to the time when the final system is put into use. All pipes
and structures within the limits of this Contract shall be left in a clean and operable condition at the completion of the work.All work shall be included under the relevant drainage
item without additional compensation. Any adjustments made to new drainage structures will be included under the Contract unit price for each respective structure.
NORTHERN LONG-EARED BAT PROTECTION
The U.S. Fish and Wildlife Service has listed the northern long-eared bat as threatened under the Endangered Species Act (ESA) and the following requirements exist to protect the bat
and its habitat. This project has been reviewed by MassDOT Highway Division’s Environmental Services Section, and has been determined to have “No Effect” to the northern long-eared
bat. No time of year restrictions are required for the project at this time. If additional cutting is proposed by the Contractor that is outside the scope of this contract, additional
review is required by the MassDOT Highway Division’s Environmental Services Section, and time of year restrictions may apply to such tree cutting.
CONCRETE COLLARS
Concrete collars as shown in the Construction Standards Details are required on all drainage, sewer, and water works structures that are located in the pavement areas.Payment for the
concrete collars shall be included in the Contract unit price under the structure involved.
MATERIALS REMOVED AND STACKEDMaterials directed to be removed and stacked shall be neatly removed and relocated to a designated area within the City of Northampton or closest MassDOT
Maintenance Depot.If the City or MassDOT decides it does not want an item, then that item shall become the property of the Contractor and disposed of at no additional cost.
If the Department determines that any part of the stacked materials is unsuitable for reuse by the City or the Department, or if the owner decides to abandon part or all of their materials,
such materials shall become the property of the Contractor and the unsuitable materials shall be removed from the project area in conformity with all local, state and federal rules and
regulations.
NEW INTRODUCTIONS OF INVASIVE PLANTS INTO OR AROUND THE SITE
(Supplementing Subsections 7.01(D) Plant Pest Control and 7.13 Protection and Restoration of Property)The Contractor shall ensure that no invasive plant species, as defined and listed
by the Massachusetts Invasive Plant Advisory Group, are introduced or moved around the site by construction activities either by improperly cleaned construction equipment or importation
of infected materials such as borrow, compost, nursery stock, seed, or hay bales. Corrective measures, if necessary, shall be made by the Contractor as directed by the Engineer. The
Contractor shall be solely responsible for all costs associated with ensuring that invasive species are not introduced or moved around the site by construction activities and for all
corrective measures required for as long as necessary to eliminate the introduced invasive plant species and prevent re-establishment of same.
EMERALD ASH BORER ADVISORY
To the extent possible, all trees and brush shall be disposed on site, typically chipped and spread in place. When trees or brush must be removed, such as in urban, or otherwise populated
areas, Contractor shall identify proposed location for disposal, and provide written notification to the Engineer for approval. Disposal shall be in city or town of project, or at minimum,
within county, of construction operations.
PRESERVATION OF ROADSIDE GROWTH(Section 8.08 shall be amended as follows)The Contractor shall take all necessary care when excavating or working in the vicinity of existingtrees so that
the root systems, trunks, and branches are not damaged. All precautions shall be taken to ensure that heavy equipment does not damage any roots, including those that lie below the limits
of excavation.Do not store equipment or stockpile materials within drip line of trees or in areas enclosed by tree protection fencing.Avoid any direct soil contamination in root zone
area by petroleum, petroleum products or solvents, salts or any other pollutant during construction.All cutting or trimming of trees to be preserved shall be executed by a Massachusetts
Certified Arborist. The Contractor shall provide the Department with a copy of the certification prior to any work on trees.
Trees that, in the judgment of the Department, have been irreparably damaged by the Contractor shall be replaced in kind and in size, or, with a quantity of 2 inch caliper replacement
trees (the quantity of which shall be determined by the Department) such that the cumulative caliper of the replacement trees will be up to the equivalent of diameter of the lost tree
at breast height. Cost of replacement trees shall be paid by the Contractor.
Cost of removal of destroyed tree, including roots and stump, as well as the cost of replacement trees, shall be paid for by the Contractor.
NOTIFICATION OF FUNDING SOURCES FOR WORK TO BE PAID BY OTHERS
This contract contains work that shall be paid by the City of Northampton. The said Cityshall be responsible for construction costs associated with a Non-Participating Agreement with
MassDOT.
This contract has an agreement with the City of Northampton; whereas when the construction costs for the contract scope exceed the total participating contract bid price by more than
ten percent (10%), the City shall be responsible for the amount over 110% of the total participating contract bid price.
DESIGNER/PROJECT MANAGERDESIGNERPROJECT MANAGERTighe & Bond, Inc.MassDOT Highway DivisionAttn: David Loring, PE, ENV SP, LEED APAttn: Shawn HollandTel: (413) 562-1600Tel: (617) 973-7242ITEM
102.001TREE TRIMMING CREWDAY
Work under this item shall conform to the relevant provisions of Section 101 of the Standard Specifications.
Work shall be to provide tree work separate from and in addition to clearing and grubbing operations and shall consist of tree trimming and pruning and removal of trees, hanging limbs,
down or leaning trees as recommended by the Arborist and as required by the Engineer. Work shall include the services of a qualified Arborist.
All pruning and tree work shall be in conformance with the most current version of the American National Standards Institute (ANSI) Standard Z-133.1 and A300 Standard Practices for Tree,
Shrub, and Other Woody Plant Maintenance.
The crew shall consist, at a minimum, of a supervisor and three tree-trimmers/laborers. The crew shall be equipped with all necessary equipment needed to complete the work including,
powered lift equipment/tree truck, pickup trucks, chippers, gas powered chain saws, hand saws, pole saws, brush butters, loppers, shears, pruners, branch trimmers, ladders, tree-climbing
equipment, shovels, dump vehicle with attached box container, log truck, etc.
Submittals
Arborist shall submit qualifications to the Engineer for review by MassDOT Landscape Design Section. Arborists shall have 10 years of experience with construction and a Massachusetts
Certified Arborist license, or International Society of Arboriculture Tree Worker Certification, or equivalent.
Method
All work performed under this Item shall be supervised by the Arborist. Trees shall be flush cut at the base. Unless otherwise required by the Engineer, wood may be chipped and spread
on site in a neat manner such that the chips blend into the forest edge.
Method of Measurement
Item 102.001 will be measured for payment by the Day for time spent on the project doing actual tree trimming/removal workand shall NOT include travel time to and from the Contractor's
place of business.
A day shall be measured per each period of 8 hours during which tree trimming crew is working.
Basis of Payment
Item 102.001 will be paid for at the Contract unit price per Day, which price shall include all labor, materials, equipment, chipping, offsite transport and disposal of cut trees or
other vegetation, the cost of all arrangements and methods required to protect from harm all existing overhead or underground installations, and all incidental costs required to complete
the work. Services of the Certified Arborist shall be incidental to the item.
ITEM 102.51INDIVIDUAL TREE PROTECTIONEACHITEM 102.521TREE AND PLANT PROTECTION FENCEFOOT
The work under these items shall conform to the relevant provisions of Sections 101, 644 and 771 and the following:
Work under this item consists of furnishing, installing, removing and resetting, maintaining fence in a vertical and effective position at all times, and final removal of fence.
The purpose of the fence is to prevent damage to tree roots, tree trunks, soil, and all other vegetation within a delineated Tree and Plant Protection Zone (TPPZ) as shown on the plans,
as directed by the Engineer, and as described herein.
Protection shall be for the duration of the construction activities unless otherwise directed.
Individual Tree Protection, Item 102.51, shall be used when construction activities are likely to occur within the canopy of individual trees or where there may be any risk of damage
to trees.
Tree and Plant Protection Fence, Item 102.521 shall be used to protect areas of existing trees or other areas of quality vegetation that is to remain.
Materials
Temporary Fence shall be such that it provides a minimum 48-inch tall barrier that remains vertical and effective (not sagging) for the duration of period required. Fence shall be plastic
orange safety fence (recommended where high visibility is necessary), wooden snow fencing, or other approved material.
Per the Arborist or Engineer, additional posts, deeper post depths, and/or additional attachments will be used if the fabric or fence sags, leans or otherwise shows signs of failing
to create a sufficient barrier to access.
References
If requested, the Contractor shall provide to the Engineer one copy of the American National Standards Institute (ANSI) A300 Standard Practices for Tree, Shrub, and Other Woody Plant
Maintenance Part 1, Pruning and Part 5, Construction Management Standard. Provision of reference shall be incidental to this item.
Establishment of TPPZ
Fencing shall be usedfor construction areas, staging areas, and stockpile areas as shown on the plans and as directed by the Engineer to establish the Tree and Plant Protection Zone
(TPPZ).
Fence shall be located as close to the work zone limit and as far from the trunk as possible to maximize the area to be protected. Fence shall run parallel and adjacent to construction
activity to create a barrier between the work zone and the root zone or designated limit of plants and soils to be protected.
When construction activities surround (or have the potential to surround) trees or plants to be protected, a circular enclosure shall be used. In these instances, the TPPZ limit shall
be the Drip
ITEMS 102.51 & 102.521 (continued)
Line of each tree or as close as possible to the Drip Line, and as shown on the plans and details. The Drip Line is defined as the limit of tree canopy.
The Contractor shall not engage in any construction activity within the TPPZ without the approval of the Engineer, including: operating, moving or storing equipment; storing supplies
or materials; locating temporary facilities including trailers or portable toilets; and shall not permit employees to traverse the area to access adjacent areas of the project or use
the area for lunch or any other work breaks.
Method of Work
Fence shall be installed prior to any construction work or staging activities and shall be installed and maintained in a vertical and effective position at all times.
Fence shall be repositioned where and as necessary for optimum effectiveness. Repositioning shall be incidental to this item. Fence shall not be moved without prior approval by the Engineer.
The TPPZ shall be protected at all times from compaction of the soil; damage of any kind to trunks, bark, branches, leaves, and roots of all plants; and contamination of the soil with
construction materials, debris, silt, fuels, oils, and any chemicals substance. In the event of spills, compaction or damage, the Contractor shall take corrective action immediately
using methods approved by the Engineer in coordination with an Arborist.
After construction activities are completed, or when directed by the Engineer, fence, stakes, and other materials shall be removed and disposed off-site by the Contractor.
Required Work within the TPPZ
In the event that grading, trenching, utility work, or storage is unavoidable within the TPPZ, the Engineer shall be notified. Measures may be required for tree protection and preservations,
includingair spading, the use of six inch depth of wood chips or approved matting for root protection, pruning of branches, and/or trunk protection. These protection measures will be
paid under applicable items.
Landscaping work specified within the TPPZ shall be accomplished by hand tools. Where hand work is not feasible, with permission of the Engineer, work shall be conducted with the smallest
mechanized equipment necessary.
Tree and Plan Damages or Loss
If the TPPZ is intruded upon, at the discretion of the Engineer, the Contractor will be required to provide a more durable barrier (e.g., Jersey Barriers) to secure the area. Cost of
furnishing and installing additional or more durable barrier shall be borne by the Contractor.
If the Contractor intrudes into a TPPZ without approval, soil will be considered compacted and tree root damage will be assumed. Action will be taken as specified below.
In the event that trees designated for protection under this item are damaged, including root damage from unapproved trespassing onto the root zone, the Contractor shall, at his own
expense obtain an Arborist. The Arborist shall be approved by MassDOT.
ITEMS 102.51 & 102.521 (continued)
If, based on the recommendations of the Arborist, the Engineer determines that damages can be remedied by corrective measures, such as repairing trunk or limb injury, soil compaction
remediation, pruning, and/or watering, the damage will be repaired as soon as possible within the appropriate season for such work and according to industry standards.
If the Engineer determines that damages are irreparable, the Contractor shall pay for the damages in the amount of $500.00 per diameter inch at breast height (DBH) per tree.
Additionally, if the Engineer determines that the damages are such that the tree is sufficiently compromised as to pose a future safety hazard, the tree shall be removed. Tree removal
willinclude cleanup of all wood parts, grinding of the stump to a depth sufficient to plant a replacement tree or plant, removal of all chips from the stump site, and filling the resulting
hole with topsoil.
Shrubs will be replaced with a plant of similar species and equal size or the largest size plants reasonably available. The Engineer will approve the size and quality of the replacement
plant. Replacement will include a minimum of one year of watering and care.
Method of Measurement and Basis of Payment
Item 102.51 Individual Tree Protection will be measured and paid for per each tree protected. This includes all labor, materials, equipment, maintenance, final removal and disposal of
the protective materials, damages repair, and all incidental cost required to complete the work.
Item 102.521 will be measured and paid for payment by the foot of Tree and Plant Protection Fence, complete in place. This includes all labor, materials, equipment, maintenance, final
removal and disposal of the protective materials, damages repair, and all incidental cost required to complete the work.
Payment of these items shall be 40 percent of value and will be made upon installation of Fence.The remaining 60 percent will be made when protection materials have been removed and
disposed off-site.
No separate payment will be made for costs of remedial actions, including addition of more durable barriers, or arborist services, but all costs in connection therewith shall be included
in the Contract unit price bid.
In the event of irreparable damage due to lack of proper protective measures being take there will be no compensation in addition to the $500.00 per diameter inch penalty. ITEM 102.55ARBORISTHOUR
The work under this Item is for the services of a Certified Arborist. Arborist shall be an International Society of Arboriculture (ISA) Certified Arborist or a Massachusetts Certified
Arborist. The Arborist shall have at least 10 years of experience in tree care, including tree protection during construction, and shall demonstrate a familiarity with the American National
Standards Institute (ANSI) A300 Standard Practices for Tree, Shrub, and Other Woody Plant Maintenance Part 1Pruning, Part 5 Construction Management Standards, and Part 9 Tree Risk Assessment.
The Arborist’s general responsibilities include protecting high priority trees within and adjacent to the project limits, stating areas, and access routes; recommending removal of diseased,
damaged or otherwise unhealthy trees that pose a potential safety hazard; evaluating effects of construction on future health of trees close to proposed work; and recommending and/or
overseeing tree work and care.
The Arborist for this item shall not be from the same company as the company responsible for selective clearing or tree removal work.
For projects with multiple phases, projects where construction activities (work or stockpiling) shifts, or when otherwise directed by the Engineer, the Arborist shall re-evaluate conditions
and provide follow-up recommendations.
Submittals
Contractor shall submit to the Engineer for approval by MassDOT Landscape Design the qualifications and experience of the Arborist. Submittal shall include copy of current certification
and a resume summarizing specific construction experience (including relevant MassDOT projects) for a minimum of five projects.
Arborist’s Report documenting recommendations shall be submitted to the Engineer and an electronic copy forwarded to MassDOT Landscape Design Section. Report shall include the following:
Scope of Work
The Arborist shall be responsible for the following tasks:
Initial Evaluation and Report
recommend and prioritize trees that require removal as appropriate to contract scope, project limits, and project intent;
review and modify, if necessary, tree protection measures shown on the drawings
review and mark limits of protective fencing for trees and groups of trees to be retained;
review and recommend protection measures for high priority trees;
submit a marked-up Construction Plan that briefly notes recommendations and decisions made in the field;
submit a corresponding report including photo documentation;
Oversight
direct or execute pruning of branches and/or roots, air spading, and/or other tree care operations
ITEM 102.55 (continued)
Monitoring and Inspections
periodically inspect fencing and ensure root zones are properly protected and clear of equipment and materials as required by the Engineer
reevaluate tree protection measures for various phases of a project
submit inspection notes with relevant and dated photos to the Engineer.
Special Care
oversee tree pruning for health and aesthetics
recommend fertilization and amendments
recommend and oversee pest control
Methods
Prior to any work, the Arborist shall walk the site with the Contractor, the Engineer, the City Tree Warden, and, if specified, the MassDOT Landscape Architect, to review trees, limits
of construction activities, and other concerns. Where required for proper assessment of tree impacts, limits of work shall be staked or otherwise marked in the field prior to the site
walk.
Trees to be removed shall be painted or otherwise marked.
Trees to be retained shall be marked such that it does not mar or damage the tree and such that marker is not easily removed. As applicable to the work and scope of the project, trees
designated for removal or to be retained shall be noted on the plan and/or in the arborist’s report and photographed.
Trees designated to remain that are damaged or removed by construction activities shall be noted and photographed for inclusion in inspection reports submitted to the Engineer.
Measurement and Basis of Payment
Item 102.55 will be measured for payment by the Hour of time spent onsite.
Item 102.55 will be paid at the contract unit price per hour upon submittal and acceptance of Reports described above. ITEM 120.EARTH EXCAVATIONCUBIC YARD
The work under this item shall conform to the relevant provisions of Section 120 of the Standard Specifications and the following:
The work shall include removal and legal disposal of all materials obstructing the execution of scheduled work as shown on the Drawings and/or as directed by the Department, except those
materials for which payment is made as part of other items of this Contract. Where pipes to be abandoned are encountered, work shall include installation of masonry plugs in abandoned
pipe ends.
Should unsatisfactory subgrade material be encountered, the Departmentmay direct that excavation be carried to the depth of satisfactory material and be backfilled with suitable borrow.
The work shall also include removal and legal disposal of existing asphalt pavement in preparation for reconstruction and widening activities.Method of MeasurementEarth excavation will
be measured for payment by the cubic yard, complete in place. Measurements are assumed to be taken in the horizontal or vertical plane. The actual lengths, widths, and depths shall
be measured in the field but shall not exceed the depths shown on the Drawings unless otherwise approved by the Department.
Basis of Payment
Earth excavation will be paid for at the Contract unit price per cubic yard, which price shall include all labor, materials, equipment and incidental costs required to complete the work.
All excavation for proposed pipe, structures, curbing, and clearing and grubbing (including stumps) will be paid for separately under its respective Contract item.ITEM 184.1DISPOSAL
OF TREATED WOOD PRODUCTSTON
Work under this item shall include the removal and disposal of all treated existing wood product as directed by the Department.
The timber components of the existing structure are suspected to be treated with creosote, pentachlorophenol and/or CCA. This item shall include all costs for sampling, laboratory testing,
loading, transportation and disposal of the treated wood. The Contractor is required to submit disposal manifests to the Department prior to the completion of the project. All aspects
of this Item are to be completed in accordance with state and federal regulations.
Method of Measurement and Basis of Payment
Measurement and payment shall be by the weight, in tons, of treated timber removed from the structure and subsequently accepted at a licensed facility. The work shall be considered full
compensation for all labor, tools, equipment, materials, testing, loading, transportation, approvals, and permits necessary for the completion of the work.ITEM 201.CATCH BASINEACHITEM
202.MANHOLEEACHITEM 206.1DROP INLET TYPE AFEACH
The work under these items shall conform to the relevant provisions of Section 201 of the Standard Specifications and the following:
General
Proposed catch basin with deep sumps (minimum depth of 4 feet) and catch basin hoods (Item 224.12) will be installed per the Standard Specifications for Highway and Bridges and the Construction
Standard Details. Refer to drainage details and plans.
Materials
Materials for these items shall conform to Section 201. and the Construction Standard Details.
Construction Methods
The contractor shall excavate and install the structures in close conformity with the lines and grades of the location and as shown in the Drawings. Drainage piping shall be extended
from the proposed structure as shown on plans. Pipe invert elevations shall be built for the drainage systems to operate with gravity flow. The work shall include all necessary cutting
and removal of drainage structures and piping. Piping shall be cut to provide a smooth uniform face flush with the inside wall surface. Masonry plugs shall be installed in abandoned
pipes and inverts and as otherwise necessitated by the work.
Coordination of the work with the work of other items is required. Other items of work include but are not limited to coordinating drainage inverts and piping with underground utilities
(i.e., gas, electric, telephone, cable, water, sewer, storm drain) shall be considered incidental to installing the structures at the locations shown on plans. The work shall assure
a complete satisfactorily functioning drainage system as directed by the Department. The work shall assure drainage and the roadway is open to traffic per the work schedule in the Contract
during construction.
Method of Measurement
Catch basin, manhole, and drop inlet type AF will be measured for payment per each, regardless of depth, complete in place.
Basis of Payment
Catch basin, manhole, and drop inlet type AF will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required
to complete the work.
No separate payment will be made for excavation (excluding rock), dewatering, stone bedding, or masonry plugs associated with the structures, but all costs in connection therewith shall
be included in the Contract unit price bid.
Rock excavation will be paid for separately under Class B Rock Excavation, Item 144.
12-inch hood will be paid for separately under Item 224.12ITEM 220.6SANITARY STRUCTURE REBUILTFOOTITEM 220.8SANITARY STRUCTURE REMODELEDEACH
The work under this item shall conform to the relevant provisions of Section 200 of the Standard Specifications, and the following:
Work shall include rebuilding the sanitary structure to the finish grade of the road in compliance with the methods required for Items220.2 & 220.5.
Material
Brick Masonry
Bricks shall be good, sound, hard and uniformly burned, regular and uniform in shape and size, of compact texture. Underburned or salmon brick will not be acceptable and only whole
brick shall be used unless otherwise permitted.
Bricks for building up and leveling frames shall conform to ASTM C32 Grade MS.
Mortar
Mortar used in the brickwork shall be composed of one part Type II portland cement conforming to ASTM C150 to two parts sand to which a small amount of hydrated lime not to exceed 10
pounds to each bag of cement shall be added.
Sand shall be washed, cleaned, screened, sharp and well graded as to different sizes and with no grain larger than will pass a No. 4 sieve. Sand shall be free from loamy or organic
matter or other materials of such nature or of such quantity as to render it unsatisfactory.
Hydrated lime shall conform to ASTM C207, Type S.
Cleaning
Clean modified manholes of silt, debris and foreign matter of any kind, prior to final inspection.
Method of MeasurementSanitary structure rebuilt will be measured for payment by the foot, complete in place. Measurements are assumed to be taken in the vertical plane.
Basis of Payment
Sanitary structure rebuilt will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete the
work.No separate payment will be made for excavation or backfill, but all costs in connection therewith shall be included in the Contract unit price bid.ITEM 222.1FRAME AND GRATE – MASSDOT
CASCADE TYPEEACH
The work performed under these items shall conform to the relevant provisions of Section 220 and the following:
All frames and grates installed in roadway pavement areas shall have hook lock grates.
Hook lock frames and grates shall conform to Standard Construction Drawings 201.6.0 through 201.10.1 The Contractor’s attention is also directed to Engineering Directive E-16-003. The
Contractor will be responsible for determining the number of left and right frames and grates according to the direction of flow. The Contractor shall provide a list to the Department
for approval before ordering the castings.
Method of Measurement
Item 222.1 will be measured for payment per each, complete in place.
Basis of PavementItem 222.1 will be paid for at the contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete
the work. No distinction will be made between cascade type frames and grates with flow from the left or right.
ITEM 223.1FRAME AND GRATE (OR COVER) REMOVED AND STACKEDEACHThe work under this item shall conform to the relevant provisions of Section 220 of the Standard Specifications and the following:
The work shall include removal and stacking of frames and grates (or covers) as shown on the drawings and as directed by the Department. The Contractor shall take precaution not to
damage existing frames and grates (or covers) during removal or stacking. A location will be provided at the City of Northampton DPW yard for stacking the frames and grates (or covers)
depending on the location of the removal.Method of Measurement and Basis of PaymentItem 223.1 will be measured and paid for at the contract unit price per Each, complete in place. This
price shall include all labor, materials, equipment and incidental costs required to complete the work.ITEM 302.066 INCH DUCTILE IRON WATER PIPE (RUBBER GASKET)FOOTITEM 302.088 INCH
DUCTILE IRON WATER PIPE (RUBBER GASKET)FOOTITEM 302.1010 INCH DUCTILE IRON WATER PIPE (RUBBER GASKET)FOOTITEM 302.1212 INCH DUCTILE IRON WATER PIPE (RUBBER GASKET)FOOTITEM 309.DUCTILE
IRON FITTINGS FOR WATER PIPEPOUNDITEM 347.0753/4 INCH COPPER TUBING TYPE KFOOTITEM 347.11 INCH COPPER TUBING TYPE KFOOTITEM 347.151-1/2 INCH COPPER TUBING TYPE KFOOTITEM 350.066 INCH
GATE AND GATE BOXEACHITEM 350.088 INCH GATE AND GATE BOXEACHITEM 350.1010 INCH GATE AND GATE BOXEACHITEM 350.1212 INCH GATE AND GATE BOXEACHITEM 363.0753/4 INCH CORPORATION COCKEACHITEM
363.11 INCH CORPORATION COCKEACHITEM 363.151-1/2 INCH CORPORATION COCKEACHITEM 381.SERVICE BOXEACHITEM 384.CURB STOPEACH
The work to be done under these items shall conform to the relevant provisions of Section 300 of the aforesaid Standard Specifications and the following:
Materials
General
All corporations, curb stops and fittings shall be as manufactured by the Red Hed Mfg Co, Mueller, Ford, Cambridge Brass, McDonald Mfg. Co. or approved equal. Brass goods shall meet
AWWA C800 including lead content (maximum 0.25% lead by weight). All brass goods shall be American made.
Ductile Iron Pipe
All ductile iron pipe shall be Class 52 for diameters equal to or less than 16-inches, and Class 350 ductile iron pipe for diameters greater than 16-inches. The ductile iron pipe shall
be in accordance with AWWA C150 and C151 and shall have push-on joints, furnished in accordance with AWWA C111 unless otherwise specified or shown on the drawings.Two (2) bronze wedges
of approved design and composition shall be provided for each push-on joint. Ductile iron pipe shall be American made.
Pipe and fittings shall be cement mortar lined and seal coated on the interior in accordance with AWWA C104. Cement mortar lining shall be twice the standard thickness; tolerance shall
be minus 0 inches, plus 1/8 inch. Inside seal-coat shall be such as not to impart taste or odor to the water contained therein. Outside of pipe shall be bituminous coated in accordance
with AWWA C151.
Each pipe shall have cast on it or stamped on it by means of a hand die stamp, the maker’s name or mark, and the year in which the pipe was cast. Also, the weight, thickness class and
sampling period shall be painted on each pipe.
ITEMS302.06 through 384. (continued)
Furnish a polyethylene encasement over the ductile iron pipe in accordance with ANSI/AWWA C105/A21.5 and specifications. Polyethylene shall be manufactured in accordance with the requirements
of ASTM D-1248, and shall be in the form of a tube
Ductile Iron Fittings
All fittings shall conform to ANSI/AWWA C110/A21.10 or ANSI/AWWA C153/A21.53 and shall have a 350-psi pressure rating, unless otherwise specified or modified herein. Ductile iron fittings
shall be American made.
All fittings except sleeves, caps, and plugs shall be cement-lined, tar-coated and sealed as specified under paragraph 1 above.
All fittings shall have mechanical joints in accordance with ANSI/AWWA C111/A21.11, or AWWA C153.
The branch of tees for hydrants or stubs shall be mechanical joint anchoring tees.
Sleeve-Type Couplings/Compression Couplings
Sleeve-type couplings shall be ductile iron solid sleeve type with mechanical joint ends or restrained joint ends, as applicable, and shall be pressure rated as specified under ductile
iron fittings. Sleeve-type couplings shall be American made.
To ensure correct fitting of pipe and couplings, all sleeve-type couplings and accessories shall be furnished by the supplier of the pipe. Sleeve-type couplings shall be used where
couplings are required, unless otherwise approved by the Owner.
When connecting to existing pipe and the outside pipe diameters are out of range for solid sleeves, transition compression couplings shall be used. Compression couplings shall be Smith-Blair
model 441, Romac model 501, Power Seal model 3501 or approved equal. Hymax couplings shall not be used.
Gaskets, Glands, Nuts, and Bolts
Gaskets, glands, nuts, bolts and accessories shall conform to ANSI/AWWA C111/A21.11 or C153/A21.53, as appropriate.
Gaskets shall be of plain tipped rubber, suitable for exposure to the liquid within the pipe.
Lubricants must be suitable for the type of fluid to be carried by the pipeline.
Glands shall be ductile or cast iron.
Bolts shall be high strength, low alloy.
ITEMS302.06 through 384. (continued)
Gaskets for flanged joints shall be full faced red rubber, 1/8 inches thick. Gaskets shall conform to the dimensions of Table A.1 of ANSI/AWWA C115/A21.15. Ring gaskets shall be utilized
for joints 14 inches in diameter and larger.
Assemble flanged joints with bolts and nuts, bolt studs with nut on each end, or studs with nuts in tapped flanges. Bolts and nuts shall be of low carbon steel conforming to the chemical
and mechanical requirements of ASTM A307, 60,000 psi tensile strength, Grade B. Bolts, nuts and studs shall be cadmium plated.
Thrust Blocks/Anchor Blocks/Joint Restraints
Joint restraints shall be used at all bends, fittings, hydrants, valves and piping as specified in the paragraphs mentioned below and in accordance with restraint as indicated on the
Drawings. Where indicated on the Drawings, provide restrained joints suitable for a 200-psi working pressure. Gaskets shall meet the material requirements of ANSI/AWWA A21.11/C111
for mechanical joint gaskets
Restrained joints for rubber-type push-on joint pipe shall be Lok-Ring® Joint by American Cast Iron Pipe Company, TR FLEX® by US Pipe and Foundry Co., Snap-Lok® by Griffin Pipe Products
Co., or equal.
Mechanical joint retainer glands shall be installed on all mechanical joints, except where rodding is used. Retainer glands shall be specifically designed to fit standard mechanical
joint bells with corrosion resistant, high strength, low-alloy T-head bolts conforming to ANSI/AWWA A21.11/C-111 and ANSI/AWWA A21.53/C-153. Retainer glands shall be manufactured of
ductile iron conforming to ASTM A536-80 grade 60-42-10. Wedges shall be of hardened ductile iron and require the same torque in all sizes. These devices shall have a minimum 250 psi
pressure rating with a minimum safety factor of 2:1 and shall be EBAA IRON, Inc., series 1100 or equal. Glands shall be listed with Underwriters Laboratories and/or approved by Factory
Mutual
Evidence of joint restraint materials shall be the manufacturer’s certification or certified test results indicating conformance with the requirements of these Specifications.
Rods, clamps with washers, straps and other harnessing hardware shall be stainless steel type 304 or 316 and installed in accordance with the manufacturer’s recommended installation
procedures, as approved.
After each “locking” joint is assembled, the pipe shall be extended until the locking system “bottoms out” in order to avoid accumulated joint movement when the system is pressurized.
Retainer glands, such as Megalugs, shall be installed in accordance with the manufacturers’ written instructions.
ITEMS302.06 through 384. (continued)
Thrust blocks and anchor blocks, shall be installed in addition to the above-mentioned joint restraints and shall be used at all tees, bends, plugs/caps and hydrants. Minimum bearing
area of thrust blocks shall be as indicated on the drawings. Anchor block sizes shall be as shown on the Drawings. Felt roofing paper shall be placed to protect pipe joints. Concrete
shall not be placed over bolts, nuts or to prevent the removal of joints.
Concrete for thrust blocks and anchor blocks shall have a minimum strength of 3,000 psi. All cement concrete must be from an approved ready-mix producer listed on the QCML. Transit
mix concrete may be used subject to approval. Straps and anchors shall be cold-rolled steel, painted with bitumastic.
Copper Tubing
Copper tubing shall be seamless, soft annealed, Type K meeting the requirements and specifications of ASTM B57, B68, and B88 as they apply to Type K copper tubing. All copper tubing
shall be American made.
Gate ValvesGate valves shall be resilient seat type suitable for underground service complying with the requirements of AWWA C509.Gate valves shall be designed to be bubble tight for
250 psig water working pressure with no leakage past the seat from either side of the disc and shall be hydrostatically tested to 500 psig.Gate valves shall be American made.Gate valves
shall be of the non-rising stem (N.R.S.) design.Gate valves shall be set vertically (spur gearing).Gate valves shall open right (clockwise).Buried gate valves shall be furnished with
2-inch square operating nuts.Gate valves shall be cast iron or ductile iron. Cast iron shall meet the specifications of ASTM A126, Class B. Castings shall be clean and sound without
defects that will impair their service. No plugging or welding of such defects will be allowed. Ductile iron shall meet the standards of ASTM A536.The resilient-seated disc wedge shall
be of the resilient wedge fully supported type, either cast iron or ductile iron. Solid guide lugs shall travel within channels in the body of the valve. The disc and guide lugs shall
be fully encapsulated in SBR (styrene butadiene rubber) or EPDM rubber. Disc wedges that are not 100% fully encapsulated shall not be acceptable. Provide guide caps of an acetal copolymer
bearing material to protect the rubber-encapsulated solid guide lugs from abrasion for long life and ease of operation.ITEMS302.06 through 384. (continued)The seat shall be SBR or EPDM
rubber, matching the disc encasement. The seating surface (rubber) shall be specially designed so as to provide a smooth waterway, without depressions or cavities, which might trap
debris and interfere with tight closures.The body, bonnet, and gate shall be cast/ductile iron, constructed in accordance with AWWA C-509. The bonnet to body seal shall incorporate
a flat neoprene gasket. Bonnet and body flanges shall be fully machined to assure proper sealing of the gasket.Gate valve stems shall be of bronze rolled bar stock in accordance with
ASTM B584, and shall have a forged thrust collar. The thrust collar shall be factory lubricated, and the thrust collar and its lubrication shall be isolated by the O-Rings from the
water way and from outside contamination, providing permanent lubrication for long term ease of operation. An anti-friction thrust washer shall be provided both above and below the
thrust collar for ease of operation.Gate valves shall have O-Ring sealed stems with one O-Ring located below the thrust collar and two O-Rings located above the thrust collar. The two
O-Rings located above the thrust collar shall be replaceable with the valve still in service in the fully open position.Coat internal and external exposed ferrous surfaces of the valve
with a fusion-bonded, thermosetting powder epoxy coating suitable for potable water service conforming to AWWA C550. Coating shall be non-toxic and shall impart no taste to water.
Coating thickness shall be nominal 5/10 mils. Gate valves for water distribution systems shall be certified to NSF 61.Gate valves shall be as manufactured by Waterous, M & H, Kennedy,
American-Darling, U.S. Pipe Metro Seal or approved equal.
Valve Boxes
Unless otherwise specified or required, each buried valve shall be provided with a valve box. Valve boxes shall be of tough, even-grain cast iron and of the adjustable, slip, heavy-pattern
type with bell-cast bottoms. They shall be so designed and constructed as to prevent the direct transmission of traffic loads to the pipe or valve.An example of the minimum required
weight of a complete heavy-pattern box is 85 LBS for a 3.5-foot unit.
The upper section of the box shall have a nominal inside diameter of 5 inches and the lengths shall be as necessary for the depth of the valves with which the boxes are to be used. The
lower section of the box shall be designed to enclose the operating nut and stuffing box of the valve and shall have a minimum 8-inch inside diameter and maximum 9-inch diameter.
Covers shall be close fitting and substantially dirt-tight. The top of the cover shall be flush with the top of the box rim. The word “water” shall be cast in the top cover.
Valve boxes shall be North American made.ITEMS302.06 through 384. (continued)
Corporations
Inlet connection is to have AWWA (reinforced CC, CS, Mueller) thread.
Outlet connection shall be compression end fittings.Compression fittings shall be properly sized for pipes to be joined.
Corporations will be rated for a minimum 200 psi working pressure.
Saddles
Saddles shall be used for all water services larger than 1-1/2". Saddle specifications are:
Body: Ductile Iron meeting ASTM A-536-80, Grade 65-45-12.
Thread: AWWA (reinforced CC, CS, Mueller).
Finish: Epoxy coated or 10 mil of fusion applied nylon.
Bolts/Nuts/Washers: Type 304 (18-8) stainless steel.
Gaskets: Heavy duty compounded for water.
Straps: Type 304 (18-8) stainless steel with Teflon coated threads.
Welds: Passivated for resistance to corrosion.
Curb Stop
Curb stops shall be ball valve type, open left, with no waste.
Outlet and inlet shall be compression end fittings. Compression fittings shall be properly sized for pipes to be joined.
All curb stops shall be rated for a minimum 200 psi working pressure.
Curb boxes shall be Buffalo Style 95E, non-screw type, tar coated, cast iron, sliding type arch pattern base with inlaid covers. Covers shall be held in place with bronze bolts and
the word "Water" shall be cast into the cover. Curb boxes shaft shall have a minimum inside diameter of 2-1/4 inches. The minimum weight of a complete service box shall be 40 lbs.
Curb boxes shall be American.
Test Connections
Install air release, test connections, and blow offs in the piping for pressure testing and disinfection at locations to be determined by the Contractor and approved by the Engineer.Corporation
cocks shall be in accordance with ANSI/AWWA C800 and shall be ¾ inch diameter with CC thread on inlet by iron pipe thread flare on outlet as manufactured by Mueller, Ford, McDonald or
equal.Copper tubing shall be annealed Type K soft tubing and shall conform to the requirements of ASTM B88.
Upon completion of testing and disinfection, remove the corporation cock and replace with a brass plug and the copper tubing removed. Field swab the brass plug for disinfection in accordance
with AWWA C651.
ITEMS302.06 through 384. (continued)
Submittals
The Contractor shall submit to the Engineer for approval, a “Certificate of Compliance” for every component of the water system to be used in the project, showing that the manufacturers
meet the above mentioned requirements. Water system components shall not be delivered to the project site unless the Contractor has an approved “Certificate of Compliance” by the Engineer.
Installation
Thrust blocks and restraining joint assemblies shall be installed in conformance with Drawings and/or the manufacturer’s specifications and Section 301.60 K of the Standard Specifications.
THERE IS NO SEPARATE PAY ITEM FOR THRUST BLOCKS, AND JOINT RESTRAINTS. THE COST OF MATERIALS AND THE INSTALLATION SHALL BE AT THE CONTRACTOR’S EXPENSE.
Minimum depth of cover over the top of the water pipe shall be five (5) feet unless otherwise directed by the Engineer. Maximum depth of cover to the top of the water pipe shall be six
(6) feet unless otherwise directed by the engineer or as indicated on the Drawings.Prevent foreign material from entering the pipe while it is being placed in the line. During laying
operations, no debris, tools, clothing or other materials shall be placed in the pipe.When laying pipe, the spigot end shall be centered in the bell, the pipe forced home and the joint
completely assembled. The pipe shall be adjusted to correct line and grade and secured in place with approved backfill material, properly tamped under and around the pipeline.
When laying the pipe, remove and replace fittings that do not allow a sufficient and uniform space for joints at no additional cost to the Owner.Furnish pipe in full lengths. Cut ductile
iron pipe without damage to the pipe or cement lining. The cutting shall be done to leave a smooth end at right angles to the axis of the pipe.Cut ductile iron pipe either by the use
of compression-type chain cutters which exert an even continuous force on the wall of the pipe or by power driven abrasive wheels.
On ductile iron pipe using rubber joints, the outside edge of the cut end must be tapered back approximately ¼ inch at an angle of about 30 degrees so as to provide for the proper assembly
of this joint.Wherever it is necessary to deflect pipe from a straight line, either in the vertical or horizontal plane, to avoid obstructions or where long-radius curves are permitted,
the maximum amount of deflection allowed shall not exceed that of what is included in AWWA C600 and shall be approved by the Engineer.
Radius curves indicated on the Drawings or approved during Shop Drawing review shall be made using full lengths of pipe. The use of short lengths of pipe and extra joint in order to
make a smaller radius turn will not be allowed without the written approval of the Engineer.ITEMS302.06 through 384. (continued)
Push-on joints shall be made in accordance with the manufacturer's instructions. Install gaskets in the pipe bell after lowering the pipe into the trench for installation. Thoroughly
clean the bell and spigot of dirt and tar blisters in the trench utilizing a wire brush or bristle brush. Insert rubber gasket in the groove of the bell end of the pipe beginning at
the bottom of the bell and working to the top of the bell. Apply lubricant per the manufacturer’s recommendations utilizing a paint brush to the pipe gasket and the pipe spigot to be
joined. Place a clean rag under the joint to protect the joint from dirt caused by unintentional grounding of the pipe during jointing. Upon completion, remove the rags. Align the
plain end of the pipe to be laid and insert in the bell of the pipe to which it is to be joined and push home with a jack or by other means. After joining the pipe use a metal feeler
to make certain that the rubber gasket is correctly located.
All excavation regardless of depth, except for Class B Rock, necessary for the installation of water system shall be included in the unit price of the items mentioned above.
Install polyethylene encasement in accordance with AWWA C105. Allow a minimum of 1 foot of overlap at each joint and secure to pipe with compatible polyethylene adhesive tape at several
locations along the barrel of the pipe. At each pipe connection, overlap the wrap and secure with a non-corrosive strap behind the pipe bell, and overlap with the new section of wrap
and secure in place with a strap on the spigot end. Install wrap in accordance with Method “A” or “C” of AWWA C105 and encase all pipe, fittings, valves, and all other appurtenances.
Water services shall have a minimum of five (5) feet of cover and a maximum of six (6) feet of cover. All excavation regardless of depth, except for Class B Rock, necessary for the
installation of the water services shall be included in the unit prices of the items mentioned above.
A standard gooseneck (with generous sweeps, both horizontal and vertical) shall be provided at the corporation in conjunction with copper/polyethylene tubing to provide flexibility for
settlement that might occur.
The new service pipe shall not have joints or connections other than needed at the corporation and the curb box. Contractor must provide 100-foot coils for services less than 100 feet
from the water main. Fittings or unions are not allowed on services less than 100 feet in length.
The copper tubing shall be connected directly to the existing service pipe just past the new curb stop near the property line with appropriate adapters and compression couplings as necessary.
Curb stop and box shall be installed approximately at the property or street line in front of the property to be serviced.
Curb stops shall be placed a minimum of 3 feet behind all retaining walls, structures, etc. as directed by the Engineer as applicable. Where coring is required, a 4 inch sleeve shall
be installed and extended one foot on either side of the structure.
Any existing services to be abandoned shall be crimped and the existing curb box removed.
The transfer of existing services to the new main shall not be completed until the new main has been tested, disinfected and approved by the Engineer.
ITEMS302.06 through 384. (continued)
All newly installed service connections shall be subject to line pressure in an open trench to determine tightness of joints before backfilling.
Plan the replacement work so that each service can be transferred, one at a time, keeping loss of water service to a minimum.
Complete service reconnection work for each house on the same day it is started.
No service trench shall be backfilled before a Water Department representative and the Engineer have observed and approved the work.
Disinfection and Testing
The water system shall be tested andchlorinated in conformance with Sections 301.60 L and M of the Standard Specifications.
Disinfection
Before being placed into service, all new water pipelines shall be chlorinated using the Continuous Feed Method specified in AWWA C651 – Section 4.4.3. The Engineer shall approve the
procedure in advance.
The Contractor will determine the location of the chlorination and sampling points in the field. The Contractor shall install taps for chlorinating, sampling and expulsion of air and
shall uncover, backfill and plug the taps as required.
Prior to disinfecting the water main, the main shall be completely filled to remove all air pockets and then flushed to remove particulate. The flushing velocity in the main shall not
be less than 2.5 ft/s unless the Engineer and/or Owner determine that the conditions do not permit the required flow to be discharged to waste.
TABLE 1
Required Flow to Flush Pipelines (40 psi residual pressure in water main)*
Pipe
Diameter (in)
Flow Required to Produce
2.5 ft/s (Approximate)
Velocity in Main
Number of
2 ½ inch
Hydrant Outlets
4
100 gpm
1
6
200 gpm
1
8
400 gpm
1
10
600 gpm
1
12
900 gpm
2
16
1600 gpm
2
*AWWA C651, AWWA Standard for Disinfecting Water Mains
ITEMS302.06 through 384. (continued)
At a point not more than 10 feet downstream from the beginning of the new main, water entering the new main shall receive a dose of chlorine fed at a constant rate such that the water
will not have less than 25 mg/L (PPM) free chlorine throughout the entire section of pipe to be chlorinated.
TABLE 2
Chlorine Required to Produce 25-mg/L Concentration in 100 Feet of Pipe – By Diameter*
Pipe
Diameter (in)
100 % Chlorine
(Pounds)
1% Chlorine
Solution (Gals.)
4
0.013
0.16
6
0.030
0.36
8
0.054
0.65
10
0.085
1.02
12
0.120
1.44
16
0.217
2.60
*AWWA C651, AWWA Standard for Disinfecting Water Mains
The chlorinated water is to remain in the new pipeline for at least 24-hours. After a contact time of 24-hours there should be a free chlorine concentration of not less than 10 mg/L
(PPM). During this period, proper precautions are to be taken to prevent this chlorinated water from flowing back into the existing system.
All valves and hydrants within the treated section shall be operated to ensure disinfection of the appurtenances.The Tablet Method consisting of placing calcium hypochlorite granules
or tablets in the water main as it is being installed and then filling the main with potable water and allowing it to set for a contact period is not acceptable.The interior of all pipe,
fittings and valves used in making a repair or tie-in shall be swabbed or sprayed with a one percent (1%) hypochlorite solution before they are installed.Final FlushingFollowing the
chlorination period, all treated water shall be flushed from the lines at their extremities and replaced with water from the distribution system.
Flushing the main is to be accomplished at as high a velocity as possible consistent with the ability of the Contractor to collect the discharge water for proper disposal.
All treated water flushed from the lines shall be disposed of by discharging to the nearest sanitary sewer or by other approved means provided in AWWA C651 and acceptable to the City.ITEMS302.06
through 384. (continued)
Flushing shall be done in strict conformance with all applicable local, state and federal regulations. No discharge of chlorinated water to any storm sewer or natural watercourse will
be allowed.Bacteriological analysesAfter the 24-hour disinfection period and all chlorine solution has been thoroughly flushed, the bacteriological sampling and analysis of the replacement
water may then be performed.
Bacteriological sampling shall be made by the Contractor’s competent person(s) in full accordance with AWWA C651- Section 5, Bacteriological Tests and under the supervision of the Engineer.
Analysis shall be performed by an independent commercial laboratory certified by the State Department of Environmental Protection and U.S. Environmental Protection Agency for analyzing
public drinking water supplies. All results shall be provided to the Engineer for review.
Two consecutive sets of acceptable samples, taken at least 24-Hours apart, are required prior to placing the main into service. Failure of any one of the bacteriological test samples
shall require re-chlorination and retesting by the Contractor.
The line shall not be placed in service until the bacteriological requirements of AWWA C651 are met.
Hydrostatic TestingFor water mains, the pressure test shall not be conducted until the new main has been flushed clean, disinfected in accordance with paragraph 12 and the chlorinated
water properly disposed of. After acceptable completion of the water system disinfection, the Contractor may commence pressure testing of the new water main.Run pressure test and leakage
test simultaneously in accordance with ANSI/AWWA C600. Test pressure shall not be less than 200 PSI. Test pressure shall not exceed pipe or thrust-restraint design pressures. The
hydrostatic test shall be of at least 2-hour duration or until such time as the Engineer indicates acceptance of the pipeline. Test pressure shall not vary by more than ±5 psi (35 MPa
or 0.35 bar) for the duration of the test.On pipelines where the elevation along the route of construction varies substantially, the Engineer reserves the right to valve off and test
portions of the line.On extensive construction jobs, the Engineer reserves the right to require the testing of individual portions of the line as construction proceeds rather than await
completion of the entire project in order to undertake a pressure or leakage test.
ITEMS302.06 through 384. (continued)Do not operate valves in either direction at differential pressure exceeding the rated valve working pressure. Use of a test pressure greater than
the rated valve pressure can result in trapped test pressure between the gates of a double-disc gate valve. For tests at these pressures, the test setup should include a provision,
independent of the valve, to reduce the line pressure to the rated valve pressure on completion of the test. The valve can then be opened enough to equalize the trapped pressure with
the line pressure, or fully opened if desired.Test pressure shall not exceed the rated pressure of the valves when the pressure boundary of the test section includes closed, resilient-seated
gate valves or butterfly valves.No pipeline is to be placed under pressure or subjected to hydrostatic pressure until at least 5 days have elapsed after the concrete thrust blocks have
been installed. If high early strength concrete is used in the concrete thrust blocks, the hydrostatic pressure can be applied to the main after 2 days have elapsed from time of construction
of the thrust blocks.The Contractor will be allowed to complete backfilling as hereinbefore specified, prior to undertaking the leakage and pressure tests. Backfilling prior to conducting
tests will be at the option of the Contractor with the exception of intersections, driveways, crosswalks and other such locations where holding open the trench may adversely affect the
public.Pipelines may be subjected to hydrostatic pressure and inspected for leakage at any convenient time after the trench has been partially backfilled. Partial backfilling shall
consist of filling along the center of the pipe length and leaving the joint open for inspection.Operation of Existing Water SystemDo not operate any valve or other control device on
the existing water system for any purpose. Do not make any tap or cut-in to the existing water system without the approval of the Engineer and unless an authorized representative of
the Owner is present.When the Contractor's operations require the adjustment of any hydrant, valves, or other control device on the existing system, the Owner will provide authorized
personnel for the purpose of supervising the operation of these control devices. Provide the personnel for the operation of these devices.PreparationConduct connections to the existing
system under the Engineer’s direction.Foreign materials left in pipelines during installation often results in valve or hydrant seat leakage during pressure tests. Thorough flushing
is recommended prior to a pressure test by partially opening and closing valves and hydrants several times under expected line pressure, with flow velocities adequate to flush foreign
material out of the main, valves and hydrants.ITEMS302.06 through 384. (continued)ProcedureOn completion of the pipeline or any valved section thereof, fill pipeline with water and test.
Draw water from the existing water system under the direction of the Engineer and the Water Department.Before applying the specified test pressure, expel air completely from the pipe,
valves, and hydrants. If permanent air vents are not located at all high points, install corporation cocks at such points so that the air can be expelled as the line is filled with
water. After all the air has been expelled, close the corporation cocks and apply the test pressure. At the conclusion of the pressure test, either remove and plug or leave in place
the corporation cocks at the discretion of the Owner.Slowly fill each valved section of pipe with water, and apply the specified test pressureby means of a pump connected to the pipe
in a manner satisfactory to the Engineer. Valves shall not be operated in either the opening or closing direction at differential pressures above the rated pressure. The system shall
be stabilized at the test pressure before conducting the leakage test.Examination Under PressureExamine exposed pipes, fittings, valves, hydrants, and joints carefully during the test.Repair
or replace any cracked or defective pipe, fittings, valves, hydrants, or joints that are discovered following the pressure tests with sound material, and repeat the test until it is
satisfactory to the Engineer.Leakage TestLeakage is defined as the quantity of water that must be supplied into the newly laid pipe, or any valved section thereof to maintain pressure
after the pipe has been filled with water and the air has been expelled. Testing shall include all hydrants and hydrant branches. Leakage shall not be measured by a drop in pressure
in a test section over a period of time.No pipe installation will be accepted if the leakage is greater than that determined by the following formula: L=allowable leakage, in gallons
per hourS=length of pipe tested, in feetD=nominal diameter of the pipe, in inchesP=average test pressure during the leakage test, in pounds per square inch (gauge)This formula is based
on an allowable leakage of 10.5 gpd/mi/in of nominal diameter at a pressure of 150 psi.ITEMS302.06 through 384. (continued)When testing against closed metal-seated valves, an additional
leakage per closed valve of 0.0078 gph/in. of nominal valve size will be allowed.When hydrants are in the test section, the test shall be made against the closed main valve in the hydrant.Acceptance
of Installation - acceptance will be determined on the basis of allowable leakage. If any test of laid pipe discloses leakage greater than that specified in this section, locate and
make approved repairs as necessary until the leakage is within the specified allowance at no additional cost to the Owner.Visible leaks are to be repaired, regardless of the amount of
leakage.Method of Measurement & Basis of Payment
All work and materials under these items will be paid for at the respective contract unit price under the items named above for the performance and completion of the work as herein specified.ITEM
345.616 INCH TEMPORARY WATER MAINLUMP SUM
The work under this Item shall conform to the relevant provisions of Section 301 of the Standard
Specifications and the following:
The work shall include furnishing, installing, maintaining, and removing all materials, equipment, and incidentals required to provide 6-inch temporary service pipe that shall serve
as a temporary water main during the proposed water main construction phase as required to provide continuous water service to all customers.
A recommended bypass sequence is included in the Drawings with the bypass plan. The actual bypass is sequence employed by the Contractor can only include up to one shutdown.
The Contractor is required to notify the Northampton Fire Rescue Department at least one-week in advance of the planned bypass implementation due to anticipated changes in fire flows
for the upgradient service area.
General
The Contractor shall maintain the temporary bypass piping in a safe and operative condition at all times (24 hours per day, 7 days per week) until removed. Temporary bypass piping shall
only be removed after the permanent water main has been cleaned, lined, chlorinated, tested, restored to normal service, and accepted by the City of Northampton Water Department.
Care shall be exercised throughout to avoid any possible contamination of mains, house services, or the temporary service pipe. The interior of temporary service pipe, temporary hoses,
and any other connection pipe to convey water for potable use shall be chlorinated prior to its use in accordance with AWWA C651.
Operation of existing valves is to be performed by the City of Northampton Water Department.
Contractor is responsible for coordinating temporary bypass connection and disconnection with the City of Northampton Water Department and is not allowed to interrupt water service without
permission from the Water Department. All proposed shut downs will require proper notification of the effected customers.
The Contractor shall provide the name and number for a primary and secondary emergency contact who is available 24 hours a day, 7 days per week for the maintenance and operation of the
temporary water main system.
Material
The temporary service pipe, connections and hose branches shall be of the highest quality and shall be fully adequate to withstand the pressures and all conditions of use. The pipe,
fittings, and hoses shall be watertight, clean, in good condition and of materials that do not cause the water to have an objectionable taste or odor.
Pipe and fittings shall be Schedule 40 steel pipe or equal.
ITEM 345.61 (continued)
All temporary service pipe connections to existing hydrants shall be provided with a tee with a valve for each nozzle connection, with provisions to allow direct connection by the Fire
Department to the hydrant without removal of the temporary pipe.
Basis of Payment
6 Inch Temporary Water Main will be paid for at the Contract lump sum price, which price shall include all labor, materials, equipment, and incidental costs required to complete the
work.
The lump sum will be paid 50% upon successful establishment of the temporary water main and 50% upon successful removal of the temporary water main.
No separate payment shall be made for protection of the bypass piping, including trenching, plating, or sandbagging, or for reconfigurations of the bypass system for phasing, but all
costsin connection therewith shall be included in the Contract unit bid price.
ITEM 375.1010 INCH INSERTION VALVE AND BOXEACH
The work under this Item shall conform to the relevant provisions of Section 300 of the Standard
Specifications and the following:
General
The Contractor is required to notify the Northampton Department of Public Works at least one-week in advance of the planned insertion valve installation.Insertion valve components shall
comply with all requirements for safe drinking water and lead content.Material
Insertion valve and box shall conform to the applicable material requirements for gate valves, boxes, saddles, and mechanical restraints contained in this contract, including:Resilient
seat type suitable for underground service complying with the requirements of AWWA C509.Bubble tight for 250 psig water working pressure with no leakage past the seat from either side
of the disc and shall be hydrostatically tested to 375 psig.Gate valves shall be American made.Gate valves shall be:
Insta-Valve 250 Patriot by Hydra-Stop
InsertaValve by Transmate (Romac)
InsertValve by Team Industrial
Or approved equal
InstallationInstallation of the insertion valve shall not require a service shutdown and shall allow for continuous, unimpeded operation of the water main.
Method of Measurement10 inch insertion valve and boxwill be measured for payment by each, complete in place.
Basis of Payment
10 inch insertion valve and box will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete
the work.
ITEM 376.HYDRANTEACH
ITEM 376.3HYDRANT REMOVED AND STACKEDEACH
The work to be done under this item shall conform to the relevant provisions of Section 300 of the aforesaid Standard Specifications and the following:
General
The hydrants shall meet the requirements of AWWA Standard C502-80, latest editionMinimum working pressure shall be 200 psiThe hydrant shall be a compression type shut-off with valve
opening against the pressure. A negligible loss of water shall occur with breakage of the hydrant, whether breakage occurs in the open position or the closed positionProvide traffic
model hydrant with breakaway featureApproved hydrants shall be:Kennedy - GuardianAmerican Darling Corp.- B-62-BU.S. Pipe – Metropolitan 250 or M-94Mueller – Super Centurion or approved
equalThe color of the hydrant above ground shall be red with silver caps and bonnets and reflective white top to match the City’s standard color.If the hydrants are delivered with the
City’s standard color, paint with one matching field coat of an alkyd gloss enamel. If the hydrants are not delivered with the Owner’s standard color, paint with two coats of an alkyd
gloss enamel to match the City’s standard colors.Alkyd gloss enamel shall be 801 DTM by Sherwin-Williams, 2H-Tneme by Tnemec, or equal. Reflective paint shall be Scotchlite #7211 by
3M.Material
Operating Nut
The hydrant operating nut shall open left
Operating nut shall be D.I. or bronze and shall be pentagon in shape withdimensions of top 1-13/16-inch tapering to 1-7/8-inch on bottomNozzles Two (2) 2-1/2-inch National Standard ThreadOne
(1) 4-1/2-inch National Standard ThreadProvide port covers without chains and with the same size pentagon operator as specified aboveHydrant shoe or base featuresThe inlet connection
shall be 6-inch mechanical joint furnished with gasket, gland and boltsThe main valve seat shall be 5-¼ inch in diameterwith non-draining bronze seat that is permanently pluggedValve
seat and sub-seat arrangement shall be bronze to bronzeBoltsBuried MJ bolts and nuts (T-head) shall be Cor-Ten or equalBuried flange joint bolts shall be 304 stainless steel or silicone
bronzeAll otherbolts and nuts shall be stainless steel
ITEMS 376. & 376.3 (continued)Protective coatingsProvide a minimum of 3 mils total dry film thickness for all paintings and coatingsThe internal components of the hydrant shall be fusion-epoxy
coatedCoat internal and external cast iron or ductile iron components with an approvedbituminous sealerHydrant Tee & ConnectionThe hydrant tee shall be designed so that the hydrant valve
can be securely attached to the main line.Anchoring tees shall have main run ends as indicated on the Drawings or as required for the installation. The 6-inch branch shall have a plain
end with an integral gland and rotating mechanical joint gland to provide a restrained connection for the valve.Connecting pipe and pipe nipples between the main line tee and hydrant
shall be 6-inch ductile iron, Class 52, as previously specified.6-inch hydrant valve and valve box shall conform to specifications for gate valves and valve boxes.Additional Hydrant
ComponentsSupply a minimum of 2 operating wrenches compatible with hydrantsSupply a minimum of 2 safety flange repair kits compatible with hydrants
Installation
Install the hydrants at the locations and to the grades shown on the Drawings or as directed by the engineer.
Provide all backfill and compaction with mechanical tampers necessary to ensure that the hydrant is bedded properly
Thrust blocks and restraining joint assemblies shall be installed at the Contractor's expense. 3/4" stone shall be placed at the bottom of the hydrant as directed by the engineer at
the Contractor’s expense.
Perform all excavation necessary to remove existing hydrants, as directed by the engineer.
The Contractor shall deliver old hydrants to the City DPW yard
Method of MeasurementHydrant and Hydrant Removed & Stacked will be measured for payment by each, complete in place.
Basis of Payment
Hydrant and Hydrant Removed & Stacked will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to
complete the work.ITEM 415.PAVEMENT MICROMILLINGSQUARE YARD
All references to Section 130 Pavement Milling within Section 450 Hot Mix Asphalt Pavement shall be replaced by Item 415 Pavement Micromilling.
Description
415.20General
This work shall consist of micromilling and removal of existing Hot Mix Asphalt (HMA) pavement courses from the project by the Contractor. Micromilling shall be performed in conformity
with the approved QC Plan. The Contractor shall present and discuss in sufficient detail the Quality Control information and activities related to milling at the Construction Quality
Meeting required under Section 450. Unless otherwise specified, the milled material shall become the property of the Contractor.
Construction Procedures
415.60General
All construction procedures under Pavement Micromilling shall also conform to any of the following relevant provisions of Pavement Milling:
Milling Equipment Requirements
The milling equipment shall be self-propelled with sufficient power, traction, and stability to remove the existing HMA pavement to the specified depth and cross-slope. The milling machine
shall be capable of operating at a minimum speed of 10 feet per minute, designed so that the operator can at all times observe the milling operation without leaving the control area
of the machine, and equipped with the following:
(a)A built in automatic grade control system that can control the longitudinal profile and the transverse cross-slope to produce the specified results.
(b)Longitudinal controls capable of operating from any longitudinal grade reference, including string line, 30-foot ski minimum, 30-foot mobile string line minimum, or a matching shoe.
(c)The transverse controls shall have an automatic system for controlling cross-slope at a given rate.
(d)Cutting heads able to provide a minimum 6-foot cutting width and a 0 to 4-inch-deep cut in one pass. The teeth on the revolving cutting drum must be continually maintained and shall
be replaced as warranted to provide a uniform pavement texture.
(e)An integral pickup and conveying device to immediately remove milled material from the roadway and discharge the millings into a truck, all in one operation.
(f)All necessary safety devices such as reflectors, headlights, taillights, flashing lights and back up signals so as to operate safely in both day and night.
ITEM 415. (continued)
(g)A means of effectively limiting the amount of dust escaping from the milling and removal operation in accordance with local, State, and Federal air pollution control laws and regulations.
When milling smaller areas or areas where it is impractical to use the above described equipment, the use of a smaller or lesser-equipped milling machine may be permitted when approved
by the Department.
Sweeper Equipment Requirements
The Contractor shall provide a sufficient number of mechanical sweepers to ensure that the milled surface is free of millings and debris at the end of each day’s milling operations.
Each sweeper shall be equipped with a water tank, spray assembly to control dust, a pick-up broom, a dual gutter broom, and a dirt hopper. The sweepers shall be capable of removing millings
and loose debris from the textured pavement.
Milling Operations
The milling operations shall be scheduled to minimize the duration and placement of traffic on the milled surface. The milling operations shall not proceed more than 3 miles ahead of
the paving operations. Under no circumstances shall the milled surface be left exposed to traffic for a period exceeding seven days. The Department may allow the Contractor to adjust
the above limitations on milling production when necessary.
The Contractor shall coordinate milling and paving operations to minimize the exposure of milled surfaces to traffic. The Contractor shall ensure that milled surfaces are overlaid in
a timely manner to avoid damage to the pavement structure. Any damage to the pavement structure resulting from extended exposure of the milled surface to traffic shall be repaired as
directed by the Department at the Contractor’s expense.
The existing pavement shall be removed to the average depth shown on the plans, in a manner that will restore the pavement surface to a uniform cross-section and longitudinal profile.
The longitudinal profile of the milled surface shall be established using a 30-foot mobile ski, mobile string line, or stationary string line. The cross-slope of the milled surface shall
be established by a second sensing device or by an automatic cross-slope control mechanism. The Contractor will be responsible for providing all grades necessary to remove the material
to the proper line, grade, cross section, superelevation, and transitions shown on the plans or as directed by the Department. The requirement for automatic grade or slope controls may
be waived by the Department in locations warranted by the situation, including intersections and closely confined areas.
The Department may adjust the average milling depth specified on the plans by ± 3/4” during each milling pass at no additional payment to minimize delamination of the underlying pavement
course or to otherwise provide a more stable surface. If delamination or exposure of concrete occurs when milling a HMA pavement course from an underlying Portland Cement Concrete (PCC)
pavement, the Contractor shall cease milling operations and consult the Department to determine whether to reduce the milling depth or make other adjustments to the operation.
ITEM 415. (continued)
Protection of Inlets and Utilities
Throughout the milling operation, protection shall be provided around existing catch basin inlets, manholes, utility valve boxes, and any similar structures. Any damage to such structures
as a result of the milling operation is the Contractor’s responsibility and shall be repaired at the Contractor’s expense. To prevent the infiltration of milled material into the storm
sewer system the Contractor shall take special care to prevent the milled material from falling into the inlet openings or inlet grates. Any milled material that falls into inlet openings
or inlet grates shall be removed at the Contractor’s expense.
Vertical Faces
All permanent limits of the milled area shall be sawcut or otherwise neatly cut by mechanical means to provide a clean and sound vertical face. No vertical faces, transverse or longitudinal,
shall be left exposed to traffic. If any vertical face is formed in an area exposed to traffic a temporary paved transition with a maximum 12:1 slope shall be established. If the milling
machine is used to temporarily transition the milled pavement surface to the existing pavement surface, the temporary transition shall be constructed at a maximum 12:1 slope.
Opening to Traffic
Prior to opening a milled area to traffic, the milled surface shall be thoroughly swept with a mechanical sweeper to remove all remaining millings and dust. This operation shall be conducted
in a manner so as to minimize the potential for creation of a traffic hazard and to comply with local, State, and Federal air pollution control laws and regulations. Any damage to vehicular
traffic as a result of milled material becoming airborne is the responsibility of the Contractor and shall be repaired at the Contractor’s expense. Temporary pavement markings shall
be placed in accordance with the provisions of Subsection 850.64.
Milled Surface Inspection
The milled surface shall provide a satisfactory riding surface with a uniform textured appearance. The milled surface shall be free from gouges, excessive longitudinal grooves and ridges,
oil film, and other imperfections that are a result of defective equipment, non-uniform milling teeth, improper use of equipment, or otherwise poor workmanship. Any unsatisfactory surfaces
produced shall be corrected by re-milling at the Contractor’s expense and to the satisfaction of the Department.
The Contractor shall perform Quality Control inspection of all work items addressed as specified in the table below. Inspection activities during milling of HMA pavement may be performed
by qualified Production personnel (e.g. Skilled Laborers, Foremen, Superintendents). However, the Contractor’s QC personnel shall have overall responsibility for QC inspection. The Contractor
shall not rely on the results of Department Acceptance inspection for Quality Control purposes. The Department shall be provided the opportunity to monitor and witness all QC inspection.
ITEM 415. (continued)
The milled surface of each travel lane shall be divided into longitudinal sublots of no more than 500 feet.The Contractor shall perform a minimum of one random QC measurement within
each sublot with a 10-foot straightedge in the transverse direction across the milled surface. Additional selective QC measurements within each sublot will be performed as deemed necessary
by the QC personnel. All QC inspection results shall be recorded on NETTCP Inspection Report Forms. The Department will also randomly inspect a minimum of 25% of the Sublots. The Contractor
shall perform surface texture measurements with a 10-foot straightedge in the transverse direction across the milled surface. The milled surface shall have a texture such that the variation
from the edge of the straightedge to the top of ridges between any two ridge contact points shall not exceed 1/8 inch. The difference in height from the top of any ridge to the bottom
of the groove adjacent to that ridge shall not exceed 1/16 inch. Any point in the surface not meeting these requirements shall be corrected as directed by the Department at the Contractor’s
expense.
In isolated areas where surface delamination between existing HMA layers or a surface delamination of HMA on Portland Cement Concrete causes a non-uniform texture to occur, the straightedge
surface measurement requirements stated in the preceding paragraph may be waived, subject to the approval of the Department.
Minimum QC Inspection of Milling Operations
Inspection Component
Items Inspected
Minimum Inspection Frequency
Point of Inspection
Inspection Method
Equipment
As specified in QC Plan
Per QC Plan
Per QC Plan
Per QC Plan
Environmental Conditions
Protection of Inlets & Utilities
Per QC Plan
Existing Surface
Visual Check
Removal of Millings & Dust
Per QC Plan
Milled Surface
Visual Check
Workmanship
Milling Depth
Per QC Plan
Milled Surface
Check Measurement
Cross-Slope & Profile
Per QC Plan
Milled Surface
Check Measurement
Milled Surface Texture
Per QC Plan
Milled Surface
Visual Check
Milled Surface Roughness
Once per 500 feetper milled lane
Milled Surface per Subsection 410.67
10-foot standard straightedge
Sawcut Limit Vertical Face
Per QC Plan
Sawcut Limits
Visual Check
415.61Micromilling Equipment Requirements
The micromilling machine shall be equipped with a drum specifically designed to provide the surface specified below.
ITEM 415. (continued)
415.62Control Strip
The Contractor shall micromill a control strip. The control strip shall be 500 feet minimum in length with a uniformly textured surface and cross slope, as approved by the Department.
The micromilled surface of the control strip shall provide a satisfactory riding surface with a uniform textured appearance. The micromilled surface shall be free from gouges, excessive
longitudinal grooves and ridges, oil film, and other imperfections that are a result of defective equipment, non-uniform milling teeth, improper use of equipment, or otherwise poor workmanship.
Any unsatisfactory surfaces produced in the control strip shall be corrected by additional micromilling at the Contractor’s expense and to the satisfaction of the Department.
The micromilled pavement surface shall have a transverse pattern of 0.2 to 0.3-inch center to center of each strike area. The Contractor shall perform surface texture measurements with
a 10-foot straightedge in the transverse direction across the milled surface. The milled surface shall have a texture such that the variation from the edge of the straightedge to the
top of ridges between any two ridge contact points shall not exceed 1/8 inch. The difference in height from the top of any ridge to the bottom of the groove adjacent to that ridge shall
not exceed 1/16-inch. Any point in the surface not meeting these requirements shall be corrected as directed by the Department at the Contractor’s expense.
415.67Micromilled Surface Inspection
The Contractor shall perform Quality Control inspection of all work items addressed under Section 415. The Contractor shall not rely on the results of Department Acceptance inspection
for Quality Control purposes.
The micromilled surface shall meet the requirements of 415.62.
415.80Method of Measurement
Micromilling - Micromilling will be measured for payment by the number of square yards of area from which the milling of existing HMA pavement has been completed and the work accepted.
No area deductions will be made for minor unmilled areas such as catch basin inlets, manholes, utility boxes and any similar utility structures.
415.81 Basis of Payment
Micromilling - Micromilling, removal and disposal of existing HMA pavement will be paid for at the contract unit price per square yard. This price shall include all equipment, tools,
labor, and materials incidental thereto. No additional payments will be made for multiple passes with the milling machine to remove the existing HMA surface to the grade specified.
ITEM 415. (continued)
No separate payments will be made for: performing handwork removal of existing pavement and providing protection around catch basin inlets, manholes, utility valve boxes and any similar
structures; repairing surface defects as a result of the Contractor’s negligence; providing protection to underground utilities from the vibration of the milling operation; sawcutting/micromilled
limits; installing and removing any temporary transition; removing and disposing of millings; furnishing a sweeper and sweeping after milling. The costs for these items shall be included
in the contract unit price for Pay Item 415. Pavement Micromilling.
415.82Payment Items
415.Pavement MicromillingSquare Yard
ITEM 450.GRAVEL FOR SURFACINGCUBIC YARD
The work under this item shall conform to the relevant provisions of Section 445 of the Standard Specifications and the following:
Gravel for surfacing shall be used to restore gravel driveways where disturbed by the work.
Materials
Material shall conform to Gravel Borrow M1.03.0, Type C. The aggregate material shall be free from organic matter and other deleterious substances. Test data and other certification
information for the aggregate shall be furnished in accordance with borrow requirements.
Construction Methods
The area to be surfaced shall be compacted as specified to meet existing grade. The surface shall be inspected and approved by the Department before any aggregate surfacing material
is placed.
The aggregate shall be deposited, spread, processed, and compacted on the prepared subgrade to a depth of six-inches. In the event segregation occurs, the material shall be bladed until
the various sizes of aggregate are uniformly and satisfactorily blended. After being spread, the material shall be watered, mixed, shaped to the required section, and compacted as specified
in Section 170. The completed course shall be smooth, true to grade and cross-section, and free from ruts, humps, depressions, and irregularitiesMethod of MeasurementGravel for surfacing
will be measured for payment by the cubic yard, complete in place. Measurements are assumed to be taken in the horizontal or vertical plane. The actual lengths, widths, and depths
shall be measured in the field but shall not exceed the six-inch depth described herein unless otherwise approved by the Department.
Basis of Payment
Gravel for surfacing will be paid for at the Contract unit price per cubic yard, which price shall include all labor, materials, equipment and incidental costs required to complete the
work.
Preparation of subgradewill be paid for separately under Item 170.ITEM 450.231SUPERPAVE SURFACE COURSE - 12.5 POLYMER (SSC - 12.5 - P)TONITEM 450.32SUPERPAVE INTERMEDIATE COURSE -19.0
(SIC - 19.0)TONITEM 450.42SUPERPAVE BASE COURSE - 37.5 (SBC - 37.5)TON
Work under these Items shall conform to the relevant provisions of the Supplemental Specifications contained herein and the following:
The Equivalent Single Axle Loads (ESALs) for the design travel lane over a 20-year period, is 4.2Million 18-kip (80-kn) ESALs.All Superpave required to construct the raised crosswalks
on Hatfield Street shall be paid with these items.
ITEM 507.GRANITE CURB WITH BEVELED EDGEFOOT
The work under this item shall conform to the applicable requirements of Section 500 of the Standard Specifications and the following:
Provide 12-inch granite curb with a beveled edge at the roundabout truck apron as indicated on the drawings or as directed by the Engineer. The curbing shall be in conformance with
Section M9.04 and the details in the contract drawings.
Curb installation shall conform to standard vertical curb installation specifications and details. Beveled edge cuts should be clean and free of wind marks or jagged edges. Pieces
should be a minimum of four feet in length and curved to the proper radius to construct the truck apron.
Method of Measurement
Granite curb with beveled edge will be measured for payment by the foot, complete in place. Measurements are assumed to be taken in the horizontal plane.
Basis of Payment
Granite curb with beveled edge will be paid for at the Contract unit price per foot, which price shall include all labor, materials, equipment, and incidental costs required to complete
the work.
No separate payment shall be made for radius pieces of beveled curb, but all costs in connection therewith shall be included in the unit price for the item.
ITEM 697.1SILT SACKEACH
Work under this item shall conform to the relevant provisions of Sections227 and 670 of the Standard Specifications and the following:
The work under this item includes the furnishing, installation, maintenance and removal of a reusable fabric sack to be installed in drainage structures for the protection of wetlands
and other resource areas and the prevention of silt and sediment from the construction site from entering the storm water collection system. Devices shall be ACF Environmental (800)-448-3636;
Reed & Graham, Inc. Geosynthetics (888)-381-0800; The BMP Store (800)-644-9223; or approved equal.
Silt sacks shall be installed in retained existing and proposed catch basins and drop inlets within the project limits and as required by the Department.
The silt sack shall be as manufactured to fit the opening of the drainage structure under regular flow conditions, and shall be mounted under the grate. The insert shall be secured
from the surface such that the grate can be removed without the insert discharging into the structure. The filter material shall be installed and maintained in accordance with the manufacturer’s
written literature and as directed by the Department.
Silt sacks shall remain in place until the placement of the pavement overlay or top course and the graded areas have become permanently stabilized by vegetative growth. All materials
used for the filter fabric will become the property of the Contractor and shall be removed from the site.
The Contractor shall inspect the condition of silt sacks after each rainstorm and during major rain events. Silt sacks shall be cleaned periodically to remove and disposed of accumulated
debris as required. Silt sacks, which become damaged during construction operations, shall be repaired or replaced immediately at no additional cost to the Department.
When emptying the silt sack, the contractor shall take all due care to prevent sediment from entering the structure. Any silt or other debris found in the drainage system at the end
of construction shall be removed at the Contractors expense. The silt and sediment from the silt sack shall be legally disposed of offsite. Under no condition shall silt and sediment
from the insert be deposited on site and used in construction.
All curb openings shall be blocked to prevent stormwater from bypassing the device.
All debris accumulated in silt sacks shall be handled and disposed of as specified in Section 227 of the Standard Specifications
Method of Measurement and Basis of Payment
Silt sacks will be measured and paid at the Contract unit price per each, complete in place, which price shall include all labor, materials, equipment and incidental costs required to
complete the work. No separate payment will be made for removal and disposal of the sediment from the insert, but all costs in connection therewith shall be included in the Contract
unit price bid.ITEM 698.4GEOTEXTILE FABRIC FORPERMANENTSQUARE YARD
EROSION CONTROL
Work under this item shall conform to the relevant provisions of Section 600 and M9.50.0 of the Standard Specifications and the following:
All geotextile fabrics must be listed on the QCML for the specified application to be approved on a MassDOT project. Geotextile for Permanent Erosion Control shall have “application
code 4” and be aNP-NW product.
Installation
Install geosynthetic products in accordance with the approved manufacturer’s QA/QC manuals.
Manufacturer representative shall be on site to verify that the Contractor’s methods are consistent with manufacturer recommendations and shall certify that the installation meets manufacturer
specification.
Method of Measurement and Basis of Payment
Item 698.3 will be measured and paid for at the contract unit price per Square Yard, complete in place. This price shall include all labor, materials, equipment, and incidental costs
required to complete the work.Any fasteners or appurtenances recommended or required by the manufacturer for installation shall be incidental to the relevant item.ITEM 701.992STAMPED
AND COLORED CONCRETESQUARE YARD
Work under this item shall conform to the relevant provisions of Section 476, Section 701 and M4 of the Standard Specifications and the following:
Workunderthisitemshallconsistof colored, stamped and textured reinforced concretesurfacesconstructed ongravelorreclaimedmiscellaneousaggregatebasewithathickness as shown on the drawingsorasdirectedbytheEngineer,andinaccordancewith
thesespecifications and all manufacturer’s guidelines and directions.
Submittals
Refer to the “Color Modified Concrete Mix Design and Approval Process” header below for required submittals.
Color samples and Stamp patterns shall be supplied to the Engineer and approved by the City of Northampton prior to use.
Materials
Allcolorhardeners,releaseagents,curingcompound,surfacepenetratingsealers,andjointsealant materials shall be from a single source manufacturer and shall be tinted to match the Existing
Stamped and Colored Concrete on other City of Northampton roundabout truck aprons (red). The Stamped Patterns shall be as shown on the plans or required by theEngineer.
Color for stamped and colored concrete truck apron shall be “Quarry Red” Pantone4715C,pending City and Engineer approval. Color agent, hardener, and release agent shall meet ASTM C
979 for color stability.
ColoringAgentColoringagentforintegrallycoloredconcreteshallbe approved by the Engineer, and it shall be used in accordance with manufacturer's recommendations. It shall not contain calciumchloride.Amount
of coloring agent to be used in the concrete mix shall be in accordance with the manufacturer’s recommendation to attain a final hydrated concrete color thatmatches.
Color HardenerShall be ready-to-use, dry-shake type color hardener and shall be streak-free of pigments, surface conditioning and dispersing agents, and Portland cement, blended with
an approved graded aggregate as specified by the manufacturer. It shall not contain calciumchloride.Application rate shall be a minimum of 64 lbs. per 105 square feet or in accordance
with manufacturerguidelines.
Release AgentShall be a powdered, colored, bond-breaker formulated to break the bond between mat-type concrete texturing tools and the surface of the color-hardened concrete while imprinting
variegated or mottledappearance.ITEM701.992 (continued)Applicationrateshallbe4lbs.per105squarefeetor inaccordancewiththemanufacturers guidelines.Shall be applied in accordance with the
manufacturer'srecommendations and be compatible with the pigments used.
Surface Penetrating SealerShall be specifically required by the color hardenermanufacturer.All materials are subject to the approval of the Engineer. The surface penetrating sealant
shall meet the following performance criteria, based on application of the solution in accordance with the manufacturer's recommended procedures andrates:A water miscible, penetrating
salt and liquid water-repellent treatment that will provide internal steel corrosion protection asfollows:Treatment shall not affect skid resistance or surfacetexture.Treated concrete
surfaces submitted to an ASTM C-642 moisture absorption test or two percent (2%) in fifty (50) days shall not absorb more than one percent (1%) moisture in forty-eight (48) hours.Treated
concrete surfaces subjected to a ninety (90) day chloride ion penetration test (AASHTO T-259, T-260) shall not permit the penetration of more than 3lbs of chlorides percubicyardofconcreteatthe½inchto6inchesdepthandnomorethan1lbs.ofchloride
per cubic yard at 1-inchdepth.Surface preparation shall be in accordance with manufacturer’srecommendations.Treatment shall not affect the normal vapor permeability of thesubstrate.
Curing CompoundShall be as recommended by the color manufacturer. It shall not affect the skid resistance of thesurface.Combined curing compound and sealer systems are available from
concrete color manufacturers. Usage shall be approved by the Engineer in accordance with manufacturer’srecommendations.
Expansion Joint
Preformed joint filler shall conform to the Standard Specifications, Section M.9.14.0. An Expansion Joint will be located per the manufacturer’s recommendations.
Joint Sealant
Shallbehighqualitypolyurethanebased,havinga97percentnonvolatilecontentandacombined weight of 3 lbs. pergallon.
BackerRod-Anopen-celltyperodwithanimperviousskinthatwillnotoutgaswhen ruptured.Usethebackerrodtogetherwiththejointsealant.Thebackerrodshallbecompatible with the sealant.
ITEM701.992 (continued)
Reinforcement
Shall be 4 x 4, W1.4 x W1.4, wire mesh and shall be in accordance with the Standard Specifications, Section 901 and Section M8.01.2.
Forms
Shall be set to required line and grade, as shown on the plans, rigidly braced and secured. Install sufficientquantityofformstoallowcontinuousprogressofworkandsothatformscanremainin
place at least 24 hours after concreteplacement.
Imprinting Texturing Tools
Shall be mat-type imprinting tool and to provide patterns as shown on the detail. The manufacturer of such tools shall have provided adequate training to the Contractor. The Contractor
shall submit documentation that he has been trained by the tool manufacturer.
Portland Cement Concrete
Shall be Air-Entrained in accordance with Section 701 of the MassDOT Standard Specifications and as modifiedherein.
Haveaminimum28-daycompressivestrengthof4,500psiconcreteforthetruck apron,withamaximum aggregatesizeof3/8”.Cementfromthesamemill and rawmaterialsofthesametypeandbrandshouldbeusedforallthestampedconcretesurfaceson
theprojectincludingthetestpaneltominimizethepotentialforcolorvariations.Proportioning of ingredients for the integrally colored and stamped concrete shall be as specified in the Color
Modified Concrete Mix Design and Approval Process described herein. All admixtures and coloring agents must be compatible in theiruse.
Fiber ReinforcementShall be 1/2” or 3/4” polypropylene fibers, maximum 3 denier, complying with ASTM C 1116, Type III, Par. 4.1.3 and applicable building code requirements. Not less
than 50 million individual fibers perpound.Fibers shall be supplied in cellulose Concrete Ready Bags which disperse during mixing. Applicationrateshallbe1poundpercubicyardofconcreteunlessrecommendedotherwise
by the manufacturer. For uniform distribution, mix in truck for a minimum of 20 minutes after fiber addition. Add fibers at the batch plant to ensure propermixing.
Design
Color Modified Concrete Mix Design and Approval ProcessProportioning and testing of the concrete components and mixture shall be accomplished by using the methods outlined in Section901.The
Contractor shall proportion the concrete mix including the coloring additives and finishing methods to obtain the desired color, texture, aggregate exposure, and meet the appropriate
mixture classification requirements ofSection.
ITEM701.992 (continued)The following information shall be added in addition to the requirements listed in Section 901 to be included in the laboratory test datareport:ColoringagentColorhardenerRelease
AgentCuringCompoundSurface penetratingSealerFiberreinforcement
PriortoperformingtheconcretefieldtrialrunstheContractorshallsubmittotheEngineerthe proposed mix design(s) and one concrete prototype for each concrete classification, color and texture,
and aggregate exposure as specified in the project plans. The prototype shall be submitted to the Engineer sufficiently in advance to allow for review and approval of color, texture,
and aggregate exposure of theconcrete.
Trial Run
The Contractor shall conduct a trial run in accordance with the requirements listed in Section 901, prior to production. The objective of the trial run is to produce a field sample
for approval.The trial run shall use the submitted mix design's component materials in the submitted proportions including all admixtures and color additives. The Contractor shall employ
all finishing and curing techniques during the trialthat will be necessary to produce concrete of the specified plasticity, workability, air content, compressive strength, color, texture,
surface pattern and any other specified concrete property.
Field Sample
During the trial run the Contractor shall make a field sample, no less than 1 square yards in size, using the submitted mix. This sample shall not be part of the permanent concrete apron
area. The field sample shall include 90 percent patterned area, as specified on the plans, impressed from full patterns and 10 percent patterned area using hand tools to match the full
formed area.
The sample shall be approved by the Engineer after consultation with the City for color,texture, and pattern. Additional samples shall be required in the event that the first or subsequent
samples are rejected.
Whenspecifiedconcreteparametershavebeenattained,includingcolorandtexture,theEngineer, inconsultationwiththeCityshallapprovetheproposedmixdesign,color,texture,andaggregate exposure forproduction.
Qualifications
Thecontractorshallhaveatleast5yearsofexperienceperformingtheinstallationofpatterned and coloredconcrete onvarious state and/or municipal contracts. The primeContractor submits a minimumof5referencesprovingthesatisfactorycompletionofsuchworkperformedbythe
concretecontractorwithin7calendardaysoftheawardofthecontractforEngineerapproval.
ITEM701.992 (continued)
Thesubmittalshallincludethenames,addresses,andphonenumbersofthepersonnel responsiblefor theadministratingthecontracts,andthelocationofthepriorwork along with representative photographs
of the completed work.Ifthe Engineerdeterminesthatthecontractorproposedhasinsufficientexperience,orhasperformed unsatisfactoryworkonothercontracts,theprimeContractorwillberequiredtoresubmit
documentationforanalternatecontractorfortheapprovaloftheEngineer.
Coordination Meeting
APre-Placementmeetingshallbeheldoneweekpriortoconcreteplacementtodiscussthe projectandapplicationmethods.ItisstronglysuggestedthattheEngineer,GeneralContractor, Subcontractor,concreterepresentative,andamanufacturer’srepresentativeareallpresentatthe
meeting.
Construction Methods
Handling and Placement
The Contractor shall take proper precautions to conduct all of the handling, testing, and placement prior to concrete initial set and perform the required stamping and curing and sealing
of concrete thereafter in accordance with manufacturer’s recommendations.
During concrete operations in hot weather, the Contractor shall follow MassDOT standards. Any admixtures must be approved by MassDOT prior to use. Admixture must be listed on the QCML
and be added at the minimum dosage.
Experienced Personnel
The installation, coloring, finishing, patterning, and related activities are operations requiring a thoroughknowledgeofthepropertiesofconcrete,thecharacteristicsofthecoloringandpatterning
process, and experience with these methods and only skilled and experienced artisans shall be employedinthisworkitem.Specificallytheplacementcrew’schiefshallremainthesameperson from
installation and approval of the sample(s) through the entireproject.
TheContractorshallprovideconclusiveproofthatheisqualifiedto,andhaspreviouslyproduced such textured paving as specified and can comply with the provisions specified herein and shown on
the plans. Proof shall consist of at least three high quality installations similar to that specified herein.Evidencethatthecontractorisqualifiedshallbesubmittedwithinthirty(30)daysafterthe
Notice to Proceed is received, and it shall be the responsibility of the prime bidder to ensure that thesubcontractorheintendstouseforthisworkbepre-qualifiedinaccordancewiththisparagraph.
Concrete Placement
Finish grade of the Stamped and Colored Concrete shall match the adjacent road in both profile and cross section.
No concrete under this Item shall be placed when weather conditions indicate precipitation can occur before completed surface patterning can be fully projected. The Contractor shall
only place thatamountofconcrete,whichcanbecompletelyfinishedandpatternedinaccordancewiththese specifications.Concrete,whichbecomestoostifffortheproposedpattering,shallberemovedand disposed
of by the Contractor and replaced in accordance with the plans, these specifications and/or as directed by theEngineer.
ITEM701.992 (continued)
Concrete removed, disposed of and replaced shall be at the Contractor's expense. Concrete shall not be place until sub-base and forms have been checked for line and grade. The subbase
shall be moistened to provide uniform dampened condition at time concrete is placed. Concrete around manholes or other structures shall not be placed until they are at required finish
elevation and alignment.
Place and spread concrete in continuous operation between transverse joints, as far as possible. If interrupted for more than 1 hour, place a construction joint.
Joints
Construct expansion joints true-to-line with face perpendicular to surface of concrete. Construct transverse expansion joints at right angles to the center line, unless otherwise indicated.
When joining existing structures, place transverse joints to align with previously placed joints, unless otherwise indicated.
Expansion Joints
Expansion joints shall be placed per locations indicted in the plans. If locations are not provided provide expansion joints at a distance no greater than 12’ O.C. each way.
The Contractor shall provide pre-molded joint filler for expansion joints abutting concrete curbs, catch basins, manholes, inlets, structures, walks, and other fixed objects, unless
otherwise indicated. The joint filler shall be extended the full-width and depth of joint and not less than ¼ inch or more than ½ inch below finished surface. Place top of joint filler
flush with finished concrete surface. Joint fillers shall be in one-piece lengths for full width being placed, wherever possible. Where more than one length is required, lace or clip
filler sections together.
The Contractor shall protect top edge of joint filler during concrete placement with a metal capor othertemporarymaterial.Thisprotectionshallberemovedafterconcretehasbeenplacedonboth
sides of thejoint.
Filler and Sealants are to be installed in accordance with manufacturer's recommendation.
Primary Concrete Finishing
After strike-off and consolidating concrete, smooth surface by screeding and floating. The use of hand methods shall not be allowed unless mechanical floating is not possible. Adjust
floating to compact surface and produce uniform texture.
After floating test surface for trueness with a 10 feet straightedge, distribute concrete as required to remove surface irregularities, and refloat repaired areas to provide a continuous
smooth finish. FinishedsurfacesshouldconformtotolerancesrequiredinSection701oftheMassDOTStandard Specifications.
ITEM701.992 (continued)
Special Concrete Finishing
After completion of the primary floating, the finish the entire surface as follows:ColorHardenershallbeappliedevenlytotheplasticsurfacebythedry-shakemethodusing a minimum of 64 lbs and
a maximum of 75 lbs per 12 square yard. It shall be applied in two or more shakes, floated after each and troweled only after the finalfloating.Fresh concrete shall be carefully and
continuously monitored and tested during partial settingupsothatproperconsistencyforpatterningisachieved.Airtemperature,humidity, wind conditions, and other factors affecting setting
rate shall be considered indetermining the start of patterningoperations.Release agent shall be applied evenly tosurface.Whiletheconcreteisstillintheplasticstageofset,theimprintingtoolsshallbeappliedto
createthesurfacepattern.Thelongaxisoftherunningbondpatternshallbeperpendicular to the adjacent travellanes.Full patterns shall be used to the maximum extent possible. Care shall be taken
to ensure continuity of the pattern and to maintain proper relationships to direction of travel, edges, cut route, curbs, and other opportunities.Where full patterns cannot be used,
such as at corners, narrow areas, angles, ramps, or obstructions, hand detailing tools and methods shall be used to continue the intended pattern to the limit of the area. The Filler
tools or hand methods shall match as closely as possible the pattern, color, and texture of the full patternarea.Carefully lift and remove the polyethylenesheet.Atalledgesofglobes,hooksofcurbing,andprincipalobstructions,smoothandfinishthe
patterned art concrete with a metal edging tool, having a 3 inch plate width and a ½ inch radius.Aprincipalobstructionshallbe,forexample,alightorsignalstandard,catchbasin, manhole, or
planting area, but shall not be a water gate, fire hydrant, parking meter, sign post, or similar incidentalopportunity.Once the concrete has attained a compressive strength of 3,000
psi (and cured for a minimum of twenty-four (24) hours), the surface of the concrete shall be carefully power washed to remove any debris without removing the release agent and thereafter
sealed.
Repairs and Protection
Protect concrete from damage until acceptance of work and exclude traffic from pavement until the concrete has attained a compressive strength of 3,000 psi and at least 1 day of curing
time. Thepavementshallbekeptfreeofstainandotherdamage.Pavementshallbesweptandwashed free of stains, discolorations, dirt, and other foreign material just prior to final inspection. The
Engineer shall determine when the concrete shall be opened totraffic.
ITEM701.992 (continued)Warranty
The Contractor shall provide a warranty foraminimumof3yearsbutnomorethan5yearspostconstruction. Said warranty shall require theContractortofurnish andrepair anydefects ofthestampedconcrete.
Defectsincludeastampedconcretesurface showing pocketsofvaryingcolorconcretedegradationasaresultofpoorworkmanshiporpoormaterial. Poorworkmanshipormaterialconsistsofanyofthefollowingcharacteristics:aconcretemixwith
wateroraircontentoutsideready-mix manufacturer’sspecifications,28-dayminimumcompressivestrength lessthan4,500psi,aggregatelargerthan½”,or aconcreteslumpexceeding5inches.TheContractorshallfurnishandrepairalldamagedsectionsresultingfrompoor
workmanshipormaterial,asdirectedbytheEngineer,and atnocosttotheDepartment.Method of MeasurementStamped and colored concrete will be measured for payment by the square yard, complete
in place. Measurements are assumed to be taken in the horizontal plane. The actual lengths and widths shall be measured in the field but shall not exceed the area shown on the drawings
unless otherwise approved by the Department.
Basis of Payment
Stamped and colored concrete will be paid for at the Contract unit price per square yard, which price shall include all labor, materials, equipment and incidental costs required to complete
the work.
No separate payment will be made for test panels, coordination meetings, reinforcing, coloring agent, releasing agent, concrete sealant, mat tools, or joint sealer or filler, but all
costs in connection therewith shall be included in the Contract price.ITEM 710.3BOUND–LETTERED GRANITEEACHITEM 710.4BOUND–PLAIN GRANITEEACHITEM 711.BOUND REMOVED AND RESETEACHThe work
under these items shall conform to the relevant provisions of Section 710 of the Standard Specifications and the following:Plain granite bounds(710.4 & 711.) shall be set flush with
the surface as to not inhibit standard roadside maintenance activities.All work shall be performed under the supervision of a professional land surveyor.Method of Measurement
Bound-lettered granite, bound-plain granite, and bound removed and reset will be measured for payment by the each, complete in place.Basis of PaymentBound-lettered granite, bound-plain
granite, and bound removed and resetwill be paid for at the Contract unit price per each, complete in place, which price shall include all labor, materials, equipment and incidental
costs required to complete the work.No separate payment will be made for professional land surveyor services, but all costs in connection therewith shall be included in the Contract
unit price bid.ITEM 715.1MAIL BOX REMOVED AND RESETEACHThe work under this item shall conform to the relevant provisions of Section 715 of the Standard Specifications and the following:
The work shall include the careful removal and resetting of mail boxes, attached hardware and supports from locations shown on the plans and as directed by the Department. The Contractor
shall coordinate the removal of mail boxes with the Department and, if necessary, the United States Postal Service. Any mail box damaged or lost either directly or indirectly as a result
of the Contractor’s operations shall be replaced by the Contractor at his own expense. Mail boxes removed shall be resetat specified locations on the plans and as directed by the Department.
Method of MeasurementMail box removed and reset will be measured for payment by each, complete in place.
Basis of PaymentMail box removed and reset will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required
to complete the work.ITEM 734.SIGN REMOVED AND RESETEACHThe work under this item shall conform to the relevant provisions of Sections 828 and 840 of the Standard Specifications and the
following: The work shall include the careful removal and resetting of signs, attached hardware and supports from locations shown on the plans and as directed by the Department. The
Contractor shall coordinate the removal of signs with the Department. Existing signs shall remain in place until removal is approved by the Department. Any sign damaged or lost either
directly or indirectly as a result of the Contractor’s operations shall be replaced by the Contractor at his own expense. Signs removed shall be resetat specified locations on the plans
and as directed by the Department.
Method of MeasurementSign removed and reset will be measured for payment by each, complete in place.
Basis of Payment
Sign removed and reset will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete the work.No
separate payment will be made for sign mounting hardware or any components of the sign or support damaged by the Contractor’s operations, but all costs in connection therewith shall
be included in the Contract unit price bid.
ITEM 740.ENGINEERS FIELD OFFICE AND EQUIPMENT (TYPE A)MONTH
Work under this item shall conform to the relevant provisions of Section 740 and the following:
A computer system, a printer system,and a digital camera meeting the requirements set forth below and including installation, maintenance, power, paper and other supplies shall be provided
at the Resident Engineer's Office:
All equipment shall be UL approved and Energy Star compliant.
The Computer System shall meet the following minimum criteria or better:System Memory (RAM):8GBHard Drive:500GB, 7200 RPMMonitor:24" LED with built-in speakers, 1920 x 1200 max resolutionDVD-RW/CD-RW:Combo
drive including DVD ± RWNetwork Adapter:10/100 Mbit/sUSB Ports:6 USB 3.0 portsMouse:Optical mouse with scroll, MS-Mouse compliantOS:Windows 10 Professional with all security updatesWeb
Browser:Latest Internet Explorer with all security updatesApplications:Latest MS Office Professional with all security updatesLatest Adobe Acrobat Professional with all security updatesLatest
Autodesk AutoCAD LT Antivirus software with all current security updates maintained through the life of the contract.Flash drives:2 - 32GB USB 3.0 Internet access:High Speed internet
access with wireless router.
The Multifunction Printer System shall meet the following minimum criteria or better:
Color laser printer, fax, scanner, email and copier all in one with the following minimum capabilities: - Estimated volume 8,000 pages per month- 600 x 600 dpi capability- LCD touch
panel display- 30 pages per minute print speed (color), - 50 page reversing automatic document feeder - 4 Paper Trays Standard (RADF) (not including the bypass tray)- Reduction/enlargement
capability- Automatic duplexing- Ability to copy and print 11” x 17” paper size - Finisher with staple functions- email and network pc connectivity- Standard Ethernet. Print Controller
- Microsoft and Apple compatibility- Scan documents to PDF, PC and USB - ability to overwrite latent images on hard drive- ability to print with authenticated access protection
ITEM 740. (continued)
The Contractor shall supply a maintenance contract for next day service, and all supplies (toner, staples, paper) necessary to meet estimated monthly usage.
A Digital Camera shall meet the following minimum criteria or better:Resolution: 14 MegapixelOptical Zoom: 5xWaterproof: to a depth of 33 feetShockproof:up to 6.6 feetFreezeproof:14º
FMemory: 8 GB SD CardUSB Port:USB 2.0 with PC CableScreen: 2.7+ inch LCD with scratch-resistance and anti-reflectanceBattery Power:2 rechargeable batteries and a battery chargerCarrying
Case: Rain-proof with shoulder strap
The Engineer's Field Office and the equipment included herein including the computer system, printer and camera shall remain the property of the Contractor at the completion of the project.
Disks, flash drives, and card readers with cards shall become the property of the Department.Method of Measurement and Basis of PaymentCompensation for this work will be made at the
contract unit price per month which price includes full compensation for all services and equipment, and incidentals necessary to provide equipment, maintenance, insurance as specified
and as directed by the Engineer.
ITEM 756.NPDES STORMWATER POLLUTION PREVENTION PLANLUMP SUM
This Item addresses the preparation and implementation of a Storm Water Pollution Prevention Plan required by the National Pollutant Discharge Elimination System (NPDES) and applicable
Construction General Permit (CGP) issued by the U.S. Environmental Protection Agency (EPA).
Pursuant to the Federal Clean Water Act, construction activities which disturb one acre or more are required to apply to the EPA for coverage under the NPDES General Permit for Storm
Water Discharges from Construction Activities. On February 16, 2012 (77 FR 12286), EPA issued the final NPDES Construction General Permit (CGP) for construction activity. The Contractor
shall be fully responsible for compliance with the CGP. Should a fine or penalty be assessed against it, or MassDOT, as a result of a local, state, or federal enforcement action due
to non-compliance with the CGP, the Contractor shall take full responsibility.
The NPDES CGP requires the submission of a Notice of Intent (NOI) to the EPA prior to the start of construction (defined as any activity which disturbs land, including clearing and grubbing).
There is a 14-day review period commencing from the date on which EPA enters the
Notice into their database. The Contractor is advised that, based on the review of the NOI, EPA may require additional information, including but not limited to, the submission of the
Storm Water Pollution Prevention Plan (SWPPP) for review. Work may not commence on the project until final authorization has been granted by EPA. Any additional time required by EPA
for review of submittals will not constitute a basis for claim of delay.
In addition, if the project discharges to an Outstanding Resource Water, vernal pool, or is within a coastal ACEC as identified by the Massachusetts Department of Environmental Protection
(DEP), a separate notification to DEP is required. DEP may also require submission of the Storm Water Pollution Prevention Plan for review and approval. Filing fees associated with
the notification to DEP and, if required, the SWPPP filing to DEP shall be paid by the Contractor.
The CGP also requires the preparation and implementation of a SWPPP in accordance with the afore-mentioned statutes and regulations. The Plan will include the CGP conditions and detailed
descriptions of controls of erosion and sedimentation to be implemented during construction. It is the responsibility of the Contractor to prepare the SWPPP to meet the requirements
of the most recently issued CGP. The Contractor shall submit the Plan to the Departmentfor approval at least 4 weeks prior to any site activities. It is the responsibility of the Contractor
to comply with the CGP conditions and the conditions of any state Wetlands Protection Act Order, Water Quality Certification, Corps of Engineers Section 404 Permit and other environmental
permits applicable to the project and to include in the SWPPP the methods and means necessary to comply with applicable conditions of said permits (reference to Part 9.1.1 of the 2012
CGP).
It is the responsibility of the Contractor to complete the SWPPP in accordance with the EPA CGP, provide all information required, and obtain any and all certifications as required by
the CGP. Any amendments to the SWPPP required by site conditions, schedule changes, revised work, construction methodologies, and the like are the responsibility of the Contractor.
Amendments will require the approval of the Departmentprior to implementation.
ITEM 756. (continued)
Included in the CGP conditions is the requirement for inspection of all erosion controls and site conditions on a weekly basis as well as after each incidence of rainfall exceeding 0.25
inches in twenty-four hours. For multi-day storms, EPA requires that an inspection must be performed during or after the first day of the event and after the end of the event. The
CGP requires that inspections be performed by a qualified individual. MassDOT requires proof of completion of a 4-hour minimum sedimentation and erosion control training class current
to the latest CGP. This individual can be, but not limited to, someone that is either a certified inspector, certified professional, or certified storm water inspector. The documentation
shall be included as an appendix in the SWPPP. The Departmentmust approve the Contractor’s inspector. This individual shall be on-site during construction to perform these inspections.
In addition, if the Departmentdetermines at any time that the inspector’s performance is inadequate, the Contractor shall provide an alternate inspector. Written weekly inspection
forms, storm event inspection forms, and Monthly Summary Reports must be completed and provided to the Department. Monthly Summary Reports must include a summary of construction activities
undertaken during the reporting period, general site conditions, erosion control maintenance and corrective actions taken, the anticipated schedule of construction activities for the
next reporting period, any SWPPP amendments, and representative photographs.
The Contractor is responsible for preparation of the Plan, all SWPPP certifications, inspections, reports and any and all corrective actions necessary to comply with the provisions of
the CGP. Work associated with performance of inspections is not included under this Item. The Standard Specifications require adequate erosion control for the duration of the Contract.
All Control measures must be properly selected, installed, and maintained in accordance with manufacturer specifications and good engineering practices. If periodic inspections or
other information indicates a control has been used inappropriately or is no longer adequate, it is the responsibility of the Contractor to replace or modify the control for site conditions
at no additional cost to the Department. The Contractor must maintain all control measures and other protective measures in effective operating condition and shall consider replacement
of erosion controls for each construction season.
This Item addresses acceptable completion of the SWPPP, any revisions/amendments required during construction, and preparation of monthly reports. In addition, any erosion controls
beyond those specified in bid items elsewhere in this Contract which are selected by the Contractor to facilitate and/or address the Contractor’s schedule, methods and prosecution of
the work shall be considered incidental to this item.
The Contractor is advised The CGP provides specific requirements for temporary and final stabilization. This shall be incorporated into the project schedule. The permit defines specific
deadline requirements for Initial Stabilization (“immediately”, i.e., no later than the end of the next work day following the day when earth-disturbing activities have temporarily or
permanently ceased) and for Complete Stabilization Activities (no later than 14 calendar days after the initiation of stabilization). Stabilization criteria for vegetative and non-vegetative
measures are provided in the CGP.
ITEM 756. (continued)
The CGP requires the submission of a Notice of Termination (NOT) from all operators when final stabilization has been achieved, as well as removal and proper disposal of all construction
materials, waste and waste handling devices, removal of all equipment and construction vehicles, removal of all temporary stormwater controls, etcetera. Approval of final stabilization
by the Departmentand confirmation of submission of the NOT will be required prior to submission of the Department’s Final Estimate. The permittee is required to use EPA’s electronic
NOI system or “eNOI system” to prepare and submit NOT. The electronic NOT form can be found at www.epa.gov/npdes/stormwater/cgpenoi. If approval is given by the EPA Regional Office
to use a paper NOT, the form in Appendix K of the 2012 CGP must be completed.
Measurement and Payment
Payment for all work under this Item shall be made at the Contract unit price, lump sum, which shall include all work detailed above, including plan preparation, requiredrevisions/addenda
during construction, monthly reports and filing fees.
Payment of 50% of the Contract price shall be made upon acceptance of the Storm Water Pollution Prevention plan. Payment of 40% of the Contract price shall be made in equal installments
for implementation of the Stormwater Pollution Prevention plan. Payment of the final 10% of the Contract price shall be paid upon satisfactory submissions of a Notice of Termination
(NOT) when final stabilization has been achieved. ITEM 767.121SEDIMENT CONTROL BARRIERFOOT
The work under this item shall conform to the relevant provisions of Section 751 and 767 of the Standard Specifications and the following:
This work shall include the furnishing and placement of a linear, compost-filled tube for the purpose of slowing the velocity of and filtering suspended sediments from storm water flow.
Materials
Material for the filter tubes shall be compost meeting M1.06.0, except that no manure or bio-solids shall be used. In addition, no kiln-dried wood or construction debris shall be allowed.
Carbon to nitrogen ratio testing is not required. Particle size analysis: 98% shall pass through a 3-inch sieve; 30-50% shall pass 3/8-inch sieve.
Tubes for compost filters shall be a minimum of 12inches and a maximum of 18 inches in diameter. Tube material shall be a knitted mesh with 1/8” - 3/8” openings and made of 100% biodegradable
(cotton, hemp or jute) materials. Additional tubes shall be used at the direction of the Department.
Stakes for anchors, if required, shall be nominal 2x2 stakes.
Construction Methods
Tubes of compost may be filled on site or shipped. Tubes shall be placed, filled and staked in place as required to ensure stability against water flows. All tubes shall be tamped to
ensure continuous contact with the soil. Stakes shall not puncture compost tube fabric.
The Contractor shall ensure that the filter tubes function as intended at all times. Tubes shall be inspected after each rainfall and at least daily during prolonged rainfall. The Contractor
shall immediately correct all deficiencies, including, but not limited, to washout, overtopping, clogging due to sediment, and erosion. The contractor shall review location of tubes
in areas where construction activity causes drainage runoff to ensure that the tubes are properly located for effectiveness.Where deficiencies exist, such as overtopping or wash-out,
additional staking or compost material shall be installed as directed by the Department. Contractor shall remove sediment deposits as necessary to maintain the filters in working condition.
The functional integrity of filter tubes shall be maintained in sound condition at all times. Filter tubes that are decomposing, cut, or otherwise compromised shall be repaired or
replaced as directed by the Department and be incidental to this item. At specific locations, such as at gully points, steep slopes, or identified failure points in the sediment capture
line, compost filter tube may be reinforced by either staked hay bales and/or silt fence at the direction of the Department. Such reinforcing shall be incidental to the cost of this
item and shall not exceed 10 percent of the overall length of compost filter tube required for the project.
Stakes shall be removed by the Contractor when site conditions are sufficiently stable to prevent surface erosion, and after receiving permission to do so from the Department. The Contractor
shall cut the tube longitudinally and empty the compost. The tube fabric shall be removed and properly disposed of and the Contractor shall rake out compost so that it blends evenly
and is no greater than 1-2 inches in depth on soil substrate. Raked compost shall then be seeded with a mix appropriate to the surrounding vegetation.
ITEM 767.121 (continued)
Method of Measurement and Basis of Payment
Compost Filter Tubes will be measured for payment by the foot, installed, approved and maintained in place for the duration of the contract. Compost Filter Tubes will be paid for at
the Contract unit price per foot which price shall include all labor equipment, materials and incidental costs required to complete the work.
No separate payment will be made for repair or replacement of erosion controls over the duration of the Contract, or any additional erosion control measures or best management practices
(BMPs) requested by the Conservation Commission or their erosion control monitor, but all costs in connection therewith shall be included in the Contract unit price bid.ITEM 812.09LIGHT
STANDARD FOUNDATION PRECASTEACH
The work under this Item shall conform to the relevant provisions of Section 801 of the Standard Specifications and the following:
The work shall include the furnishing and installation of Light Standard Foundations SD3.012 for the lighting system in accordance with the plans and as directed by theEngineer.
Foundations shall be pre-cast concrete, having 4,000 psi minimum 28-day compressivestrength and be cast at a MassDOT approved pre-casting facility.
Foundations shall support the effective projected area of the specified pole, arm(s), luminaire(s), and accessories, such as shields, banner arms, and banners, under wind conditions.
Anchor bolts shall be set in a welded cage or properly positioned by the tie wire to stirrups.
The anchor bolt locations and projection shall be compatible with the required bolting pattern for the highway lighting pole.
Materials and equipment shall be in accordance with NEC, UL, ANSI, and as shown on the drawings and specified.
Method of MeasurementLight standard foundation precast will be measured for payment by each, complete in place.
Basis of Payment
Light standard foundation precast will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete
the work.ITEM 821.0114-FOOT ORNAMENTAL LIGHT POLE W/ BASE (BLACK)EACHITEM 823.0170-WATT EQUIV. LED LUMINAIRE W/ DECR. HOUSINGEACHThe work under these items shall conform to the relevant
provisions of Sections 801 and 820 of the Standard Specifications and the following:
General
The work shall include the furnishing and installation of 14-FootOrnamental Street Light Poles and Luminaires for the lighting system in accordance with the plans and as directed by
the Engineer.Materials and equipment shall be in accordance with NEC, UL, ANSI, and as shown on the drawings and specified. All work shall comply with the relevant portions of the Massachusetts
State Electrical Code.
All lighting systems shall be Dark Sky Compliant per City of Northampton Ordinance.
Materials
LightPole:
Light Poles shall be provided and installed as shown on the drawings, and asspecified.
The pole assembly shall be designed for wind loading of 100 mph [161 km/hr], with an additional 30% gust factor, supporting luminaire(s) and accessories such as shields, banner arms,
and banners that have the effective projected areas indicated. The effective projected area of the pole shall be applied at the height of the pole base, as shown on thedrawings.
Poles shall be embedded anchor-bolt type designed for usewith underground supply conductors. Poles shall have handhole having a minimum clear opening of 2.5 x 5 in. Handhole covers shall
be secured by stainless steel captivescrews. Handhole shall be within 1.5 feet from the base plate.
Provide a steel-grounding stud opposite handhole openings, designed to prevent electrolysis when used with copperwire.
Provide a base cover that matches the pole in material and color to conceal the mounting hardware pole-base welds and anchorbolts.
The Light Post shall be the Mountain View style catalog no. APSMNV- 12-14-E5 and shall be extruded, cast aluminum, 14 feet in height, 5 inch diameter fluted shaft and color black as
manufactured by Spring City or approved equal from Holophane or VisionaireLighting.
Cast Iron Breakaway Couplings shall be provided for all light poles that are not behindguardrails.
The base shall be cast aluminum #356 alloy per ASTM B29-95, free of any porosity, foreign materials, or cosmeticfillers.
Hardware and Accessories: All necessary hardware and specified accessories shall be the product of the polemanufacturer.
Provide manufacturer's standard finish, as scheduled on thedrawings.
Light Post Manufacturers: VisionaireLighting or approved equal from Spring City or Holophane.
ITEMS 821.01 & 823.01 (continued)
Luminaire
The Luminaire shall be Visionaire New Orleans II HT catalog no. N2F-L-HTL1CA-T4-42LC-5-4K-UNV-PT-BK-TBD, 70-Watt LED, Universal Voltage (120-277 V), 4000K, Type IV light distribution
with black finish or approved equal from Spring City or Holophane.
Per UL 1598 and NEMA C136.17. Luminaires shall be weatherproof, heavy duty, outdoor types designed for efficient light utilization, adequate dissipation of lamp heat, and safe cleaning
andservicing.
Incorporate LED drivers as required bymanufacturer.
Lenses shall be frame-mounted, heat-resistant, borosilicate glass, with prismatic refractors, unless otherwise shown on the drawings. Attach the frame to the luminaire housing by hinges
or chain. Use heat and aging- resistant, resilient gaskets to seal and cushion lenses and refractors in luminairedoors.
LED Minimum Initial Lumen – 5627 and Minimum Efficacy (80 lumens perWatt).
LED color temperature not to exceed4000K.
Vertical and Horizontal Illuminance to meet IES RP-8-18 criteria.
Minimum 65 IPrating.
Pre-wire internal components to terminal strips at thefactory.
Materials shallberustproof.Latches and fittings shall be non-ferrous metal.
Luminaires shall carry factory labels, showing complete, specific lamp and ballastinformation.
LED Luminaires shall be general-service, outdoor lightingtypes.
Photoelectric control shall be compatible with LED luminaires.
Minimum five (5) year non-prorated warrantyperiod.
Submittals
Shop Drawings demonstrating compliance with the contract requirements and a photometric plan showing appropriate lighting levels in the crosswalk, including vertical illuminance details.
Two weeks prior to final inspection, submit four copies of operating and maintenance manuals for review and approval. Include technical data sheets, wiring and connection diagrams, warranty
information, and principle vendor information including directions for ordering replacement lamps, ballasts, and parts.Quality AssuranceUse adequate numbers of skilled workmen who are
thoroughly trained and experienced in the necessary crafts and who are completely familiar with the specified requirements and the methods needed for proper performance of the work of
this Section.Contractor is responsible for obtaining all necessary electrical permits and licenses for this work.All electric work shall be performed by a duly Licensed Electrician and
be inspected by the City’s Wiring Inspector, as required.Contractor and his electrician shall inspect the work as it is installed to verify compliance with the contract documents. Correct
any defects.
ITEMS 821.01 & 823.01 (continued)All electric work shall be tested in presence of Engineer. Lights shall be tested in the dark, and any necessary adjustments in the orientation of the
luminaires shall be made to provide the required lighting levels.
Method of Measurement14-foot ornamental light pole w/ base (black) and 70-watt equiv. LED luminaire w/ decr. housing will be measured for payment by each, complete in place.
Basis of Payment
14-foot ornamental light pole w/ base (black) and 70-watt equiv. LED luminaire w/ decr. housing will be paid for at the Contract unit price per each, which price shall include all labor,
materials, equipment and incidental costs required to complete the work.ITEM 823.60HIGHWAY LIGHTING LOAD CENTERLUMP SUM The work under this Item shall conform to the relevant provisions
of Section 800 of the StandardSpecifications and the following: The work shall include the furnishing and installation of a Highway Lighting Load Center and its foundation for thelighting
system in accordance with the plans and as directed by the Engineer. General New foundation slab shall be installed per cabinet manufacturer requirements and in compliance with MassDOT
requirements. Cabinet construction shall comply with the requirements of a stainless-steel Type 316 enclosure with a flush 42” wide door. NEMA Type IV enclosure, having solid neoprene
gasket, welded seams, continuous hinge with stainless steel pin, and stainless-steel external hardware. Enclosure must have a backboard for mounting apparatus; two weep holes in the
bottom. And must be equipped for padlocking. Provide acceptable outdoor, tumbler-type padlocks, keyed as directed by the MassDOT Engineer. Furnish two keys with each lock. Enclosure
mush have manufacturer’s nameplate. Electrical Requirements Main service disconnect shall be a two-pole 14,000 A.I.C., molded-case circuit breaker, with lugs and capacity to accommodate
the specified conductors and current meeting Federal Specification W-C-375b.Circuit breaker panels shall be an enclosure mounted panel with solid neutral; and with bus bars and solderless
lugs of large enough rating and size to accommodate required voltage, current and conductors. The Load Center shall be a 120/240V, 1 phase, 3 wire, 12 pole panel board consisting of
8circuit breakers as shown on drawings. The Load Center should have a minimum rating of 10,000 A.I.C. It shall be a no fuse, quick-make, quick-break type; having tumbler mechanism,
full contact, and positive pressure until opening, whether operated automatically or manually. Stationary contacts as an integral breaker part and non-welding contacts when operating.
Trip free from handle so the contacts cannot be held closed against short circuit or abnormal overload. Mounted individually or on panel. Handle position, indicating the breaker contact
position. Size and capacity, as indicated. The Load Center’s purpose is to operate each of the lighting circuits, Lighting Contactor, Time Clock, and Receptacle.The Lighting Contactor
shall be a NEMA Type 1 enclosure 30A per pole, 1 phase, mechanically held with two wire control relay and three position selector switch. Time clock shall be a 20A astronomical time
switch, 120V, SPST.Duplex convenience receptacle shall be a 125V, 20A GFCI (NEMA 5-20R) in handy box with cover. SPST toggle switch and light socket mounted inside the enclosure shall
consist of a 10W LED lamp. Twist-Lock Photocell unit shall be installed on top of the LLC located to avoid light from traffic headlights.
ITEM 823.60 (continued)Ground Rods shall be comprised of copper-clad steel, ¾”, 10’ long. Materials and equipment shall be in accordance with NEC, UL, ANSI, and as shown on the drawingsand
specified. Two weeks prior to final inspection, submit four copies of operating and maintenancemanuals for review and approval. Include technical data sheets, wiring and connection
diagrams,and information for ordering replacement parts.
Basis of Payment
Highway Lighting Load Center will be paid for at the Contract lump sum price, which price shall include all labor, materials, equipment, and incidental costs required to complete the
work.
The lump sum will be paid 75% on completion of installation and 25% after successful testing of the proposed highway lighting.
No separate payment shall be made for the foundation, time clock, photocell, or any other components specified herein, but all costsin connection therewith shall be included in the Contract
unit bid price.ITEM 824.01RECTANGULAR RAPID FLASHING BEACON (RRFB)EACHThe work under this item shall conform to the relevant provisions of Sections 824 and 828 of the Standard Specifications
and the following:
General
Theworkshallconsistof furnishing and installingsolarpoweredrectangularrapid flashingbeacons(RRFBs)for the locationsindicatedontheplansorwheredirectedbythe Department.“Each” RRFB corresponds
to one crosswalk location and includes a functional pair of assemblies as described herein.
The front and back of each RRFB shall consist oftworapidlyandalternately flashing rectangular yellow indications having light emitting diode (LED) array based pulsing light sources,
and shall be designed, located, and operated in accordance with the detailed requirements specified on the drawings.
EachRRFBshallbeacompleteassembly,consistingofsupportingstructure (e.g., pole, breakaway transformer base, sign supports, etc.), indications, signage, pedestrian push button, battery,
solar panel, and electricalcomponents (e.g., wiring, solid-state circuit boards, etc.).
RRFB system shall come with amanufacturer warrantyvalid for three (3) years from the date of delivery.
RRFB shall be approved by the Traffic and Safety Engineering Section and be listed on the current Qualified Traffic Control Equipment list found on the Department’s website.
Materials
The RRFB shall have the following components and/or properties:
Shall be a self-powered unit using solar power.
Shall be activated by push button.
Shall be Americans with Disabilities Act (ADA) compliant.
Shall be wirelessly synchronized with companion units to have all indications flashing when push button is activated.
Shallbedark until pedestrian actuation, shall flash for a predetermined amount of time (based on MUTCD procedures), and shall return to dark after the full time period.
Asmalllightdirectedat,andvisibleto,pedestriansinthecrosswalkshallbe installed integral to the RRFB to give confirmation that the RRFB is in operation.
Whenactivated,theRRFBindicationsshallflashinarapidlyalternating“wig-wag” flashing sequence (left light on, then right light on).
EachoftheRRFB’sindicationsshallhave70to80periodsofflashingper minute that are alternating but have approximately equal periods of rapid pulsing light and dark operations.
The flash rate of the RRFB’s indication shall not be between 5 and 30 flashes per second.
A sign shall be located at each pushbutton with thelegend “Push Button To Turn On Warning Lights.”
The RRFB shall have a Pedestrian crossing warning sign (W11-2) with a diagonal downward arrow plaque (W16-7P; Left and Right, as required) on the front and back of each unit.
ITEM 824.01 (continued)
Each RRFBLED indicationshallbeaminimumsizeofapproximately5 incheswideby2 inches high.
ThetwoRRFBLED indicationsshall bealignedhorizontally,withthelonger dimensionoftheindicationhorizontal, andaminimumspacebetweenthetwo indicationsofapproximately7 inchesmeasured fromthe
insideedgeof oneindicationto the inside edge of the second indication.
Each RRFB structure shall have a four-way indication flasher (flashing in four directions)
The outside edges of the two indications, includingany housing, shall not protrude beyond the outside edges ofthe integral signage of the RRFB (i.e., W11-2 sign).
The light intensity of the RRFB’s indications shall meet the minimum specifications of the Society of Automotive Engineers (SAE) standard J595 (Directional Flashing Optical Warning Devices
for Authorized Emergency, Maintenance, and Service Vehicles) dated January 2005.
ThesupportingstructureoftheRRFB(e.g., post,sign holders, etc.) shall be constructed of manufactured aluminum embodiments and powder coated.
Each RRFB to be supplied with all required hardware to install assembly.
EachRRFBshallbelocatedbetweenthebottomofthepedestrian crossingwarningsign(W11-2) and the top of the supplemental downward diagonal arrow plaque (W16-7P).
Thepushbuttonshallbecapableofcontinuousoperationoveratemperaturerangeof-30 degrees F to 165 degrees F (-34degrees C to 74 degrees C).
Method of Measurement
Rectangular Rapid Flashing Beacon (RRFB) will be measured for payment by the each (defined as a pair), complete in place.
Basis of Payment
Rectangular Rapid Flashing Beacon (RRFB) will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required
to complete the work.No separate payment will be made for solar power kit, sign post, post foundation, technical support, wireless synchronizing, or warranty but all costs in connection
therewith shall be included in the contract unit price bid.ITEM 866.2066 IN. WET REFL. WHITE LINE (POLYUREA) (RECESSED)FOOTITEM 866.21212 IN. WET REFL. WHITE LINE (POLYUREA) (RECESSED)FOOTITEM
867.2066 IN. WET REFL. YELLOW LINE (POLYUREA) (RECESSED)FOOTITEM 867.21212 IN. WET REFL. YELLOW LINE (POLYUREA) (RECESSED)FOOT
Work to be completed under these items shall conform to the relevant provisions of Section 860 of the Standard Specifications and the following:
Work shall consist of grooving a slot in the pavement surface and the furnishing and installation of wet reflective polyurea pavement markings.
Materials
Wet reflective polyurea pavement markings shall consists of a liquid binder, first drop beads or elements to provide dry and wet retroreflectivity, and second drop glass beads to improve
the durability of the pavement marking, reduce track-free times, and provide supplementary dry retroreflectivity.
The Contractor shall use one of the following binders and first drop beads or elements, or approved equivalents:
1.3M™ Liquid Pavement Marking Series 5000 with 3M™ All Weather Series 90 elements;
2.Epoplex GLOMARC® 90 with Potters VISIMAX® Glass Bead System; or
3.SWARCO MFUA-12 with SWARCO MEGALUX-BEADS®.
Combination of other binder and first drop bead or element series may only be used at the approval of the Engineer.
Second drop beads shall be manufactured from glass of a composition that is highly resistant to traffic wear and to the effects of weathering. If coating is required to meet the performance
requirements, the second drop beads shall be coated to ensure satisfactory embedment and adhesion. Second drop beads retained on a No. 40 U.S. Standard Mesh Sieve shall have a minimum
crush strength of 30 lbs. when tested in accordance with ASTM D1213.
Second drop beads shall have a minimum refractive index of 1.51 when tested in accordance with AASHTO M247.
Second drop beads passing the No. 30 sieve shall have a minimum of 75 percent true spheres when tested in accordance with ASTM D1155. All second drop beads retained on the No. 20 and
No. 30 sieves shall have a minimum of 80 percent true spheres as determined by ASTM D1155.
Second drop beads shall meet the following gradation requirements when tested in accordance with ASTM D1214:
U.S. Standard Sieve No.
Percent Retained
20
3-10
30
15-35
50
45-75
70
0-10
Pan
0-5
ITEMS 866.206, 866.212, 867.206 & 867.212 (continued)
Construction Methods for Installation of Groove
Prior to cutting out the grooves for all recessed lines, the Contractor shall use a chalk line or other suitable method to layout the proposed pavement markings on the surface course
so that the Engineer can inspect the locations. Once the Engineer has inspected and approved the proposed striping layout, the grooves for the proposed pavement markings may be cut.
No pavement grooving shall be done without the prior approval of the Engineer.
Groove position shall be a minimum of 4 inches from the edge of the pavement marking to any longitudinal pavement joints. The groove shall not be installed on bridge joints, on drainage
structures, or in other areas identified by the Engineer. The groove shall not be installed continuously for intermittent pavement markings, but only where markings are to be applied.
The use of gang stacked diamond cutting blades to grind a smooth square slot is required for producing all grooves. The spacers between blade cuts shall be such that there will be less
than a 10 mil rise in the finished groove between the blades. The acceptability of the surface texture will be determined by the Engineer.
The diamond grinder shall have an articulating head so that the slots are installed correctly on grades and super elevated sections.
Grooves that are ground deeper or wider than the specified allowable limits shall be repaired per the direction of the Engineer at no additional cost. Grooves that are ground too shallow,
too narrow, or with unacceptable rises between blade cuts shall be reground to the correct size, depth, and surface finish at no additional cost. Slots ground out of alignment shall
be patched using an approved method and materials.
Grooves shall be 1 inch ± ¼ inch wider than the pavement marking material. Groove depth shall be 100 mils ±5 mils, unless otherwise approved by the Engineer. Depth shall be consistent
across the full width of the groove. Depth plates shall be provided by the Contractor to the Engineer to assure that desired groove depth is achieved.
Grooves shall be clean, dry and free of laitance, oil, dirt, grease, paint or other foreign contaminants. Shrouds and a vacuum apparatus shall be included as part of the grinder to remove
larger pieces of pavement that are ground out. If water is used to clean the groove or the grooving process takes place during rainfall, a minimum of 24 hours of dry time is required
prior to the placement of pavement markings.
After the depth, width, length, and surface condition has been approved by the Engineer, an air lance shall be used to remove fine particles from the groove. Air compressors shall initially
be blown out away from the application area to prevent compressor condensation build-up from entering the groove. The Contractor shall prevent traffic from traversing the grooves and
re-clean grooves, as necessary, prior to application of pavement markings at no additional cost to the Department.
All grooves must be given final approval by the Engineer prior to the placement of pavement markings.
ITEMS 866.206, 866.212, 867.206 & 867.212 (continued)
Construction Methods for Installation of Durable Pavement Markings
Installation of wet reflective polyurea pavement markings shall conform to the Manufacturer’s specifications and the following:
Application rate for binder and all beads and elements shall consider final pavement surface composition and smoothness in advance of application to ensure proper wet film thickness
and embedment of all beads and elements. The Contractor shall provide the Engineer with documentation from the Manufacturer with all recommended application rates (and conformance to
initial dry and wet reflectivity requirements) in advance of any pavement marking installation.
The minimum uniform wet thickness for the polyurea binder shall be 25-30 mils. The line thickness shall be met across at least the middle ⅔ of the pavement marking width. Depth plates
shall be provided by the Contractor to the Engineer to assure that desired thickness is achieved.
The finished white color shall be free from tint, with good opacity and visibility under both daylight and artificial light. The finished yellow color shall be defined by Federal Test
Standard 595 - Color Chip Number 13538, using Federal Test Standard 141 (Method 4252). The finished lines shall be uniform in color and have clean, well-defined edges.
First and second drop beads and/or elements shall be applied in a manner that does not induce rolling or bouncing, to ensure that exposed portions of beads are free of binder material.
Beads and elements should be embedded in the binder to a depth of approximately 50% of their diameter.
Drop rate for first drop bead or element shall be per the Manufacturer’s specifications.
Drop rate for second drop glass bead shall be 6.4-10.2 lbs. per gallon.
Newly installed pavement markings shall be protected from tracking during the setting period per Subsection 860.63.
Incidental to the cost of these items, the Contractor shall measure the average retroreflectance of the pavement markings, and report the results to the Engineer. The Contractor shall
take retroreflectance measurements
1.ASTM E1710 (Standard Test Method for Measurement of Retroreflective Pavement Marking Materials with CEN-Prescribed Geometry Using a Portable Retroreflectometer); and
2.ASTM E2177 (Standard Test Method for Measuring the Coefficient of Retroreflected Luminance (RL) of Pavement Markings in a Standard Condition of Wetness).
The average initial retroreflectance readings shall exceed the following minimum values:
*White Markings
*Yellow Markings
ASTM E1710 (Dry)
475 mcd/lux/m2
375 mcd/lux/m2
ASTM E2177 (Wet Recovery)
375 mcd/lux/m2
300 mcd/lux/m2
*Observation Angle = 1.05°, Entrance Angle = 88.8°
Pavement markings with measured average initial retroreflectance readings that do not meet the specified minimum values using the procedures outlined in subsection 6.4.5 of ASTM D7585
shall be removed by a method approved by the Engineer and reapplied at no additional cost.
ITEMS 866.206, 866.212, 867.206 & 867.212 (continued)
Pavement Marking Performance
Upon completion of the pavement marking installation, the following data shall be tabulated by the Contractor:
1.Retroreflectance readings, including date(s), time(s), and location(s) where readings
tookplace;
2.Liquid binder type(s) and application rate;
3.Reflective element type and drop rate;
4.Date of groove installation;
5.Lot, batch number, or any other material identifiers and manufacturing information;
6.Date and time of final liquid marking installation;
7.Highway location (including direction) of installation;
8.Air and pavement temperature during application;
9.Measured material application thickness, depth of groove; and
10.Any other pertinent information that may assist MassDOT with Quality Control.
Results for all readings shall be provided within 10 business days of testing to the Engineer, with a second copy sent to:
State Traffic Engineer
Attention: Pavement Marking Installation & Testing
10 Park Plaza, Room 7210
Boston, MA 02116
The cost to prepare and submit this data shall be considered incidental to the cost of the items.
Method of Measurement
Wet reflective polyurea pavement markings are to be paid for on the actual length of lines applied.
Basis of Payment
Wet reflective polyurea pavement markings will be paid for at the contract unit price under each item of the contract based on the measurements as determined by the Engineer. The contract
prices shall include all material, labor, and equipment required or incidental to the satisfactory completion of the work.ITEM 874.2TRAFFIC SIGN REMOVED AND RESETEACHThe work under this
item shall conform to the relevant provisions of Sections 828 and 840 of the Standard Specifications and the following: The work shall include the careful removal and resetting of signs,
attached hardware and supports from locations shown on the plans and as directed by the Department. The Contractor shall coordinate the removal of signs with the Department. Existing
signs shall remain in place until removal is approved by the Department. Any sign damaged or lost either directly or indirectly as a result of the Contractor’s operations shall be replaced
by the Contractor at his own expense. Signs removed shall be resetat specified locations on the Drawings and as directed by the Department.
Method of MeasurementSign removed and reset will be measured for payment by each, complete in place.
Basis of Payment
Sign removed and reset will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required to complete the work.No
separate payment will be made for sign mounting hardware or any components of the sign or support damaged by the Contractor’s operations, but all costs in connection therewith shall
be included in the Contract unit price bid.
ITEM 874.4TRAFFIC SIGN REMOVED AND STACKEDEACHThe work under this item shall conform to the relevant provisions of Sections 828 and 840 of the Standard Specifications and the following:
The work shall include removal and stacking of existing traffic signs and posts as shown on the drawings and as directed by the Department. The Contractor shall take precaution not
to damage existing traffic signs or posts during removal or stacking. A location will be provided at the City of NorthamptonDPW yard (dependent on origin of signage) for stacking the
material.
Existing signs shall not be removed until authorized by the Department.
Removal of sign and post shall include removal of sign foundation where present and backfill of hole with gravel.
Method of MeasurementSign removed and stacked will be measured for payment by each, complete in place.
Basis of PaymentSign removed and stacked will be paid for at the Contract unit price per each, which price shall include all labor, materials, equipment and incidental costs required
to complete the work.
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NorthamptonRoutes 5/10 North King Street & Hatfield Street