Belmont Ave_Smith Health Services_PermitCity of Northampton
Department of Public Works
STORMWATER MANAGEMENT PERMIT
APPLICATION DECISION
Project I Site Name: Smith College Health Services Building
Project Street or Location I Assessor ID: Belmont Avenue I 3 lD-020, 026, 027, 038, 039, 040
Owner Name: The Trustees of Smith College
Owner Address/Phone: College Hall 205, Northampton, MA 01063
Application Submission Date: 9/26/2013 Revised Submission 1Oil012013
THE FOLLOWING ACTION BY THE NORTHAMPTON DEPARTMENT OF PUBLIC
WORKS HAS BEEN TAKEN ON THIS APPLICATION BASED ON INFORMATION
PRESENTED:
Disapproval of the Stormwater Management Permit Application based on a
determination within seven days of the receipt of the application that the
application is administratively incomplete (se{l attached documentation).
__ Approval of the Stormwater Management Permit Application.
_x_ Approval of the Stormwater Management Permit Application subject to any
conditions, modifications or restrictions required by the Department of Public
Works (see below)
__ Disapproval of the Stormwater Management Permit Application based upon a
determination that the proposed plan, as submitted, does not meet the purposes
set forth in the Northampton Stormwater Management.
Standard Permit Conditions:
1. All clearing, grading, drainage, construction, and development shall be conducted in strict
accordance with the following plans and information submitted with the application and as
amended by any conditions attached to this permit:
a. Smith College Health Services Building, Site Plans, Sheets L-1 A, L-1 B, L-6 and L-7
dated 9/26/2013, Sheets L-3, L-4 and L-5 dated 10/10/2013, stamped by Mark B.
Darnold, P.E. and Richard M. Klein, R.L.A., The Berkshire Design Group, Inc.
b. Stormwater Drainage Report for Smith Colleg~ New Wellness Center, Northampton,
MA (including full drainage calculations), Revised 10/10/2013, Prepared by The
Berkshire Design Group, Inc.
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c. MA DEP Checklist for Stormwater Report, Dated 9/26/2013, Certified and stamped
by Mark B. Darnold, P.E., The Berkshire Design Group, Inc.
2. The Northampton Department of Public Works (DPW) or its authorized representative shall
be provided access to the property to conduct inspections before, dUTing, and after
construction activities as necessary. The applicant shall arrange with the DPW to
schedule the following inspections: Initial Inspection, Erosion Control Inspection, Bury
Inspection, and Final Inspection. The DPW may also conduct random inspections to ensure
effective control of erosion and sedimentation during all, phases of construction.
3. At the completion of the work, including construction of stormwater management facilities
and landscaping, the applicant shall submit to the DPW ~s-built plans stamped by a
professional engineer of record in the Commonwealth of Massachusetts and a statement
from a professional engineer of record in the Commonw~alth of Massachusetts certifying
that the materials and construction. of the stoqnwat(;)r management system was constructed in
accordance with the approved plans and will function a~ designed. All changes to the
approved stormwater facilities shall be documented by a professional engineer of record in
the Commonwealth of Massachusetts and approved by 1he DPW prior to submission of as-
. built plans and the certification statement described above. ' ·-,,,,,, ,, .,.,
4. Annual Reports that are stamped by a Registered Professional Engineer documenting the
actions completed as required by the Operation, Maintenance and Inspection Agreement
shall be submitted to the Northampton Department of Public Works by October 1'1 of each
year (see Specific Condition I below). · ·
"
5. If construction of the proposed .storm water system has not started within five years of the
issue date of this permit, then the permit will expire and. a new permit will be required.
Construction is defined as clearlrig, grading, excavation, fiiling, and installation of drainage
structures on the lots specified in this permit.
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'" ' .,, ,,,,.
Specific Permit Conditions:
I. Prior to the start of construction or issuance of a Buildiilg Permit, the applicant shall record
an executed Stormwater Operation, Maintenance, and I~spection Agreement that is binding
on all subsequent owners ofland served by the private stormwater management facility by
recording it in the land records of the Registry of Deeds. The maintenance schedule and
responsibility for maintenance of all components of the proposed storm water management
system must be adequately specified in Attachment A to this '.Agreement. The Proposed
Stormwater Management Plan System Operation and Maintenance Post-Construction
submitted in the Stormwater Drainage Report must be revised as necessary and approved by
the Northampton DPW. This agreement shall be approv¢d by the Northampton DPW and
signed by the owner and the Mayor ofNorthampton. Chapter 281 of the Northampton
Stormwater Management Ordinance provides additional guidance for the requirements of
this agreement.
2. This project will be required to submit one or more Notice ofintent (NOI) to the U.S. EPA
for coverage under the NPDES Sto1mwater Construction General Permit. A copy of the 'final
NOI and Stormwater Pollution Prevention Plan (SWPPP) shall be submitted to the
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Northampton DPW for approval prior to the start of construction and prior to issuance of a
building permit.
3. The proposed stonnwater management system is designed to mitigate peak stormwater
flows. If, after construction of the proposed system, the system is found to increase
sto1mwater flows to adjacent properties or to the municipal storm drain system, the owner
shall redesign and reconshuct the drainage system to prevent any increased stormwater
flows to adjacent properties or the municipal storm drain system.
4. Sheet L-4 shows a proposed connection of the new drainage system to an existing 12 inch
RCP drain line to the municipal drainage system in Belmont Avenue. During construction of
the proposed drainage connection, information must be submitted to the DPW regarding the
condition, slope, existing connections, and expected function and capacity of the existing
drain line to Belmont A venue.
5. Prior to the start of construction of the proposed subsurface dry wells and subsurface
detention basins, the applicant shall:
a. Notify the DPW of the expected start date of construction of these structures for
inspection by the DPW
6. Prior to the start of construction, construction plans, stamped by an engineer of record in the
commonwealth of Massachusetts, shall be submitted to the DPW for approval. The
conshuction plans shall include the following revisions:
a. The proposed subsurface detention system must have adequate access for inspection
and maintenance. The construction plans must clearly specify the location of all
risers and clean outs for maintenance.
b. The construction plans and documents must include a specification of clean, washed
stone for the proposed subsurface detention system.
The construction plans, calculations, and specifications for the proposed drainage system
must be consistent with each other and consistent with plans approved by the Northampton
Planning Board.
cc. Planning Board c/o Office of Planning and Development
Building Department
lV f-i--1 / i 3
Date
Conservation Commission c/o Office of Planning and Development
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