2025- fire protection 10-19-11 (3)Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
FIRE PROTECTION Page 1 of 38 212000
INDEX
SECTION 212000 –FIRE PROTECTION
PART 1 –GENERAL PART 3 –INSTALLATION
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
1.13
1.14
1.15
1.16
1.17
1.18
RELATED DOCUMENTS
SCOPE OF WORK
SYSTEM DESIGN
QUALITY ASSURANCE
CODES, ORDINANCES AND INSPECTIONS
INSTALLATION REQUIREMENTS
PRODUCTS
SUBMITTALS
PERMITS, FEES AND INSPECTIONS
TEMPORARY HOOK-UPS
PLANS AND SPECIFICATIONS
PRODUCT HANDLING
ENVIRONMENTAL CONDITIONS
WORK CONCEALED
OPERATION AND MAINTENANCE
MANUALS
GUARANTEE
RECORD DRAWINGS
CO-ORDINATION OF TRADES
3.1
3.2
3.3
3.4
3.5
3.6
3.7
CLEANING AND TESTING
CUTTING AND PATCHING
FIRE SAFING
INTERIOR PIPING INSTALLATION
VALVE INSTALLATION
FINAL CLOSEOUT
SERVICES
PART 2 –MATERIALS
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
FIRE PROTECTION PIPING MATERIALS
AND PRODUCTS
BASIC IDENTIFICATION
PIPE, TUBE AND FITTINGS
SUPPORTS AND ANCHORS
VALVES
FIRE PROTECTION SPECIALTIES
ACCESS PANELS
VIBRATION AND SEISMIC CONTROL
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Smith College, Northampton, MA
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SECTION 210000 -FIRE PROTECTION
PART 1 -GENERAL
1.1 RELATED DOCUMENTS
A.Include General Conditions, Supplementary General Conditions, applicable
parts of Division 1, and conditions of the Contract as part of this Section.
B.Examine all other Sections of the Specifications for requirements, which
affect work under this Section whether or not such work is specifically
mentioned in this Section.
C.Co-ordinate work with that of all other trades affecting, or affected by the
work of this Section. Co-operate with such trades to assure steady progress
of all work under the Contract.
1.2 SCOPE OF WORK
A.Furnish all labor, materials, appurtenances and services necessary for, and
reasonably incidental to, the complete installation of all fire protection work
specified herein and/or indicated on the Drawings, including, but not
limited to, the following:
1.This contractor shall furnish and install new 4” fire protection service
entrance from the existing municipal main located in Kensington
Street.
2.Provide and install double check valve backflow preventer assembly
per DEP requirements.
3.Wet pipe alarm check valve stations and dry pipe alarm valve station
complete with, but not necessarily limited to, line size valve,
retarding chamber, electric and hydraulic alarms, full indicating,
control, drain trim, and excess pressure pump and air compressor.
4.Complete wet pipe automatic (13R)sprinkler system. System shall be
installed in all spaces, unless otherwise noted, with Fire Department
connection and system test and drain connections.
5.Sprinkler heads shall be centered in ceiling tiles. Main, cross main,
and branch piping shall be installed above ceiling, where ceilings are
called for, and all pendant heads shall be semi-recessed type.
6.Provide new stand pipe system complete with risers, hose valves and
cabinets in each stair tower.
B.Refer to appropriate site work drawings for trenching and backfill required
in conjunction with fire protection piping; not work of this Section.
C.Related work, to be performed under other sections of this Specification
shall include the following:
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Smith College, Northampton, MA
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1.Wiring of flow switches, tamper switches, electric bell, etc. back to
the panel shall be by the Electrical Subcontractor, co-ordinated and
as directed by the Fire Protection Subcontractor.
2.Cutting and patching.
1.3 SYSTEM DESIGN
A.The Fire Protection Subcontractor shall perform a water flow test, and with
this information, shall calculate pipe sizes and sprinkler head configuration
and orifice sizes.
B.Sprinkler head and pipe run locations shall be established by the contractor
and coordinated with the other trades.The Fire Protection Subcontractor
shall produce a design based on actual available water pressure and submit
it to the Architect for approval before beginning fabrication and installation.
C.Design Criteria: Pipe sizing and sprinkler head layout shall be established by
the contractor based on NFPA-13R. Location of piping and heads shall be
co-ordinated with all other trades. Actual pipe sizing, types of heads, and
layout shall be based on a hydraulically designed system in accordance with
the requirements of NFPA-13R, and NFPA -14, the Northampton Fire
Department, and the Insurance Underwriter. Location of sprinkler heads, in
relation to the ceilings and walls and spacing of the heads, shall not exceed
that permitted by NFPA-13R for light hazard occupancy (ordinary hazard
occupancies in Boiler Room, Fan Rooms,and Storage Rooms), and NFPA-
13R Residential Sprinklers. The Fire Protection Subcontractor shall prepare
working drawings and hydraulic calculations per NFPA-13R and shall
obtainNorthampton Fire Department and Insurance Underwriter approval
prior to start of work. The Fire Protection Subcontractor shall perform water
flow tests or obtain water flow data in writing from local authority. Co-
ordinate work of this Section with all trades to avoid interference with
ductwork, HVAC and plumbing, piping, electrical work, structure, etc. Final
sprinkler head locations shall be subject to Architect's approval. The
number of heads and pipe sizes shall be increased or reduced due to
hydraulic calculations or the installation of revised heads, provided the
revised heads are UL listed and F.M. approved and meet NFPA-13, NFPA-
13R, the Northampton Fire Department, and Insurance Underwriter's criteria
1.4 QUALITY ASSURANCE
A.Manufacturers: Firms regularly engaged in manufacture of fire protection
piping systems products, of types, materials, and sizes required, whose
products have been in satisfactory use in similar service for not less than 5
years.
B.NFPA Code: Comply with ANSI/NFPA 13R "Residential Sprinklers".
C.FM Compliance: Comply with Factory Mutual "Approval Guide".
D.FM Labels: Provide sprinkler products bearing FM approval labels.
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E.UL Labels: Provide fire sprinkler piping products, which have been approved
and labeled by Underwriters Laboratories.
F.Local Fire Department/Marshall Regulations: Comply with governing
regulations pertaining to fire sprinkler piping. Review proposed written
system with said officials prior to commencing work.
G.Final installation of system is subject to approval by Owner's insurer's rating
organization and local Fire Department.
H.Equality of materials or articles other than those named or described in this
Section will be determined in accordance with the provisions of the General
Requirements, except that substitutions will only be considered for items
where the words, "or equal" appear in the product specification.
I.The Fire Protection Subcontractor shall agree to accept as final the results of
tests secured by a qualified testing laboratory engaged by the Owner. Tests
will be conducted in accordance with the General Requirements.
1.5 CODES, ORDINANCES AND INSPECTIONS
A.All materials and the installation thereof shall conform to the requirements
of the Massachusetts State Building Code, Electrical Code, Fuel Gas and
Plumbing Code and local laws, rules, regulations, and codes pertaining
thereto. Where provisions of the Contract Documents conflict with any
codes, rules or regulations, the latter shall govern. Where the Contract
requirements are in excess of applicable codes, rules or regulations, the
Contract provisions shall govern unless the Architect rules otherwise.
B.The Fire Protection Subcontractor shall comply with the Local Code
Enforcement Officials' instructions at no additional cost to the Owner.
Review proposed system with said officials prior to commencing work.
1.6 INSTALLATION REQUIREMENTS
A.The Fire Protection Subcontractor shall employ only competent and
experienced workmen at a regular schedule in harmony with the other
tradesmen on the job. He shall also exercise care and supervision of his
employees in regard to proper and expeditious laying out of his work.
B.The Fire Protection Subcontractor shall have a Foreman or Superintendent
assigned to the Project who shall be authorized to make decisions and
receive instructions exactly as if the Fire Protection Subcontractor himself
were present. The Foreman or Superintendent shall not be removed or
replaced without the express approval of the Architect after construction
work begins.
C.The Fire Protection Subcontractor shall be held responsible for any injuries
or damage done to the building premises or adjoining property or to other
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Subcontractors' work resulting from the execution of his part of the work in
any manner whatsoever; and in case of dispute arising as to the extent or
share of responsibility incurred by the Fire Protection Subcontractor, it is
agreed between the Owner and the Fire Protection Subcontractor that such
liability and extent of damage shall be finally determined by the Architect
whose decision shall be final and binding on both parties to the Contract for
the work in question.
D.The Fire Protection Subcontractor shall co-operate to the fullest extent with
all other trades in order to expedite the progress of the work. He shall
furnish all information pertaining to his materials as to sizes, locations, and
means of support, to all other trades requiring such information. The Fire
Protection Subcontractor shall also furnish all sleeves, frames, beams,
supports, inserts, etc., hereinafter specified so that the General Contractor
may build them in place. In case of failure on the part of the Fire Protection
Subcontractor to give proper information as above, he will be required to
bear the extra expense involved due to such failure.
E.The arrangement of all piping, ductwork, conduit, wire and cable indicated
on the Drawings is diagrammatic only, and indicates the minimum
requirements of this work. Conditions at the building shall determine the
actual arrangement of runs, bends, offsets, etc. The Fire Protection
Subcontractor shall lay out all his work and be responsible for the accuracy
thereof. Conditions at the building shall be the determining factor for all
measurements.
F.All work shall be laid out and installed so as to require the least amount of
cutting and patching. Drilling of all holes required for the installation of
pipes, conduit, and cable runs shall be performed by the Subcontractor
installing such items.
G.The Fire Protection Subcontractor shall be responsible for the proper
protection of his work and materials from injury or loss at the hands of
others and shall make good such loss or injury at his own expense. All
pipes left open during the progress of the work shall be capped or plugged
at all times. All instruments and operating apparatus shall be protected by
suitable means.
H.The Fire Protection Subcontractor shall be responsible for all equipment and
materials installed under this Section until the final acceptance of the project
by the Owner.
I.The Fire Protection Subcontractor shall check all of the Architectural Plans
and Specifications and shall field verify all existing conditions before
ordering any materials and the installation of work. Any discrepancies shall
be called to the attention of the Architect before proceeding with the work.
1.7 PRODUCTS
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Smith College, Northampton, MA
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A.With the exception of items specifically noted otherwise, all materials used
shall be U.S. made, new, full weight, and first class in every respect, without
defects, and designed to function properly in that portion of the work for
which they are intended, and with the same brand of manufacturers for each
class of material or equipment. Electrical materials and equipment of types
for which there are Underwriters Laboratories standard requirements,
listings, or labels shall conform to their requirements and be so labeled.
1.8 SUBMITTALS
A.Before ordering materials shipped to the job, the Fire Protection
Subcontractor shall submit to the Architect eight (8) sets of catalogue cuts
or manufacturers' data sheets, giving all details, dimensions, capacities, etc.
of all materials to be furnished.
B.Submit hydraulic calculations and scaled layout drawings for fire protection
pipe and fittings including, but not necessarily limited to, pipe and tube
sizes, locations, elevations and slopes of horizontal runs, wall and floor
penetrations, and connections. Show interface and spatial relationship
between piping and proximate equipment.
1.Shop Drawings are subject to review and will require approval by
Owner's insurer's rating organization and the Westfield Fire
Department prior to submitting to the Architect for approval.
C.The Fire Protection Subcontractor shall check the Shop Drawings thoroughly
for compliance with the Plans and Specifications before submitting them to
the Architect for review, making any and all changes which may be required.
D.The review of Shop Drawings by the Architect shall not relieve the Fire
Protection Subcontractor from any obligation to perform the work strictly in
accordance with the Contract Drawings and Specifications. The
responsibility for errors in Shop Drawings shall remain with the individual
Subcontractor.
E.In the event that materials are being delivered to or installed on the job for
which Shop Drawings or samples have not been approved and/or which are
not in accordance with the Specifications, the Fire Protection Subcontractor
will be required to remove such materials and substitute approved materials
at his own expense and as directed by the Architect.
F.Submit certificate upon completion of fire protection piping work which
indicates that work has been tested in accordance with ANSI/NFPA-13R,
and also that system is operational, complete, and has no defects.
1.9 PERMITS, FEES AND INSPECTIONS
A.The Fire Protection Subcontractor shall secure all permits and pay all fees
required for his work. He shall be required to secure all other permits and
pay all other fees and charges incidental to the proper carrying out of the
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Contract. He is to assume all responsibility regarding the observance of the
rules and regulations so far as they relate to his part of the work.
B.The Fire Protection Subcontractor shall arrange and pay for all required
inspections of his work.
1.10 TEMPORARY HOOK-UPS
A.The General Contractor will provide any temporary hook-ups required for
the use of water or sanitary for construction purposes and testing out
apparatus as specified in Division 1.
1.11 PLANS AND SPECIFICATIONS
A.The Fire Protection Subcontractor shall refer to the Architectural Drawings of
interior details, plans, elevations, and structural layout in preparing his
estimate. These documents are intended to supplement the Mechanical and
Electrical Plans and Specifications and any applicable work indicated or
implied thereon is to be considered a part of the Contract requirements.
B.The Specifications and Plans are complementary and anything called for, or
reasonably implied, in the Plans and not in the Specifications, or vice versa,
shall be considered as called for or reasonably implied in both.
C.The Fire Protection Subcontractor shall not scale the Drawings.
D.Because of the small scale of the Drawings, it is not possible to indicate all
offsets, fittings and accessories that may be required. The Fire Protection
Subcontractor shall carefully investigate the structural and finish conditions
affecting all his work and shall arrange such work accordingly, furnishing
such fittings, traps, offsets, valves, and accessories as may be required to
meet such conditions, at no additional cost.
1.12 PRODUCT HANDLING
A.The Fire Protection Subcontractor shall provide for the delivery of all his
materials and fixtures to the building site when required, so as to carry on
his work efficiently and to avoid delaying his work and that of other trades.
1.13 ENVIRONMENTAL CONDITIONS
A.All necessary tools machinery, scaffolding, and transportation for
completion of his Contract shall be provided by the Fire Protection
Subcontractor.
B.The Fire Protection Subcontractor shall provide his own portable extension
lines and obtain 120 volt, 60 cycle, single phase electric energy from the
General Contractor to drive his machines and light his work. He shall
provide his own light bulbs, plugs, sockets, etc.
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C.All broken or waste material, rags, packing, etc., resulting from his work
shall be removed by the individual Subcontractor.
1.14 WORK CONCEALED
A.All piping shall be installed concealed in all areas except storage rooms,
closets, and mechanical or electrical equipment rooms, except that in rooms
without ceilings, horizontal runs only may be exposed and spaces where
existing applied acoustic ceilings are to remain, exposed piping will be
allowed.
B.Piping containing water shall not be installed concealed in walls having an
exterior exposure above grade.
1.15 OPERATING AND MAINTENANCE MANUALS
A.After all final tests and adjustments have been completed, fully instruct the
proper Owner's representative in all details of operation of equipment
installed. Supply qualified personnel to operate equipment for sufficient
length of time to assure that Owner's representative is properly qualified to
take over operation and maintenance procedures. This Subcontractor shall
video tape the instruction procedures and deliver two (2) copies of the tape
with the Operation and Maintenance Manuals.
B.Furnish the Architect, for his approval, three (3) copies of an Operation and
Maintenance Manual. Inscribe the following identification on the cover: the
words, "Operation and Maintenance Manual", the name and location of the
equipment or the building, the name of the Subcontractor, and the Contract
number. The manual shall have a Table of Contents with tab sheets placed
before each section. The instructions shall be legible and easily read, with
large sheets of Drawings folded in. The manuals shall be bound in hard
binders or an approved equivalent.
C.The Manual shall include the following information:
1.Description of systems.
2.Description of start-up, operation, and shutdown.
3.Schedule of adjustment, care, and routine maintenance for each item
of equipment.
4.Lubrication chart.
5.Wiring and control diagrams with data to explain detailed operation
and control of each item of equipment.
6.Valve chart.
7.List of recommended spare parts.
8.Copies of all service contracts.
9.Performance curves for pumps, etc.
10.List of all names, addresses, and phone numbers of all
Subcontractors as well as the local representative for each item of
equipment.
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1.16 GUARANTEE
A.The Fire Protection Subcontractor shall guarantee the satisfactory operation
of his work in all parts for a period of one (1) year after the date of final
acceptance, and shall agree to promptly repair or replace any items of his
work which are found to be defective during this period.
B.The Fire Protection Subcontractor shall pay for repair of damage to the
building caused by defects in his work and for repair to plaster, wood, and
other materials or equipment caused by replacement or repairs to the entire
satisfaction of the Architect.
C.Any part of the work installed under this Contract requiring excessive
maintenance shall be considered as being defective.
1.17 RECORD DRAWINGS
A.Refer to Division 1 -Contract Closeout and Record Drawings Procedures.
B.Record Drawings shall reflect all changes from the Contract Drawings
whether by change order or by field conditions. Principal dimensions shall
be indicated of concealed work, fire protection lines, valves, and zone flow
switches. All changes must be clearly marked with a bubble drawn around
the area of work effected by the change.
1.18 CO-ORDINATION OF TRADES
A.The Fire Protection Subcontractor shall give full co-operation to the
Subcontractors of other trades, and shall furnish any information necessary
to permit the work of all trades to be installed satisfactorily and with least
possible interference or delay. The Fire Protection Subcontractor shall co-
operate with the other sub trades in preparing a complete set of co-
ordination drawings. The coordination drawings for the fire protection shall
be prepared by this contractor on backgrounds provided by the HVAC
subcontractor and this contractor shall draw all piping, valves, and
equipment on this set of drawings
B.In areas where conflicts may occur, if so directed by the Architect, this
Subcontractor shall prepare composite sketches at a suitable scale, not less
than 1/4"=1'-0", clearly showing how his work is to be installed in relation
to the work of other trades.
C.Piping and other equipment shall not be installed in congested and possible
problem areas by this Subcontractor without first co-ordinating the
installation of same with other trades and the Architect. This Subcontractor,
at his own expense, shall relocate all uncoordinated piping and other
equipment installed should they interfere with the proper installation and
mounting of electrical equipment,ductwork, piping, hung ceilings, and
other structural finishes installed by other trades.
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D.This Subcontractor shall co-ordinate the elevations of all piping and
equipment in hung ceilings for the installation of recessed lighting fixtures,
duct boxes,etc. Conflicts shall be brought to the attention of the Architect
for a decision before the piping and/or equipment of other trades is
installed.
E.In areas where, due to construction conditions, more than one trade is
required to use common openings in chases, shafts and sleeves for the
passage of conduits, raceways, piping, ductwork and other materials, this
Subcontractor must plan and locate the positions of equipment to be
furnished under this Section so that all items including piping and/or
equipment of other trades may be accommodated within the space
available. Location and positioning shall be done prior to installation of
same and to the satisfaction of the Architect.
F.This Subcontractor, before installing his work, shall see that it does not
interfere with the clearances required for finished columns, pilasters,
partitions or walls, as shown on the Contract Architectural or Structural
Drawings showing foundations, floor plans, roof plans, and details.
G.Piping work that is installed under this Contract which interferes with the
architectural design or building structure, shall be changed as directed by
the Architect, and all costs incidental to such changes shall be paid by this
Subcontractor at no additional cost to the Owner.
PART 2 -PRODUCTS
2.1 FIRE PROTECTION PIPING MATERIALS AND PRODUCTS
A.Provide piping materials and factory-fabricated piping products of sizes,
types, pressure ratings, temperature ratings, and capacities as indicated.
Where not indicated, provide proper selection as determined by Installer to
comply with installation requirements. Provide sizes and types matching
piping and equipment connections; provide fittings of materials which
match pipe materials used in fire protection piping systems. Where more
than one type of material or product is indicated, selection is Installer's
option.
2.2 BASIC IDENTIFICATION
A.Subject to compliance with requirements, provide mechanical identification
materials of one of the following:
Allen Systems, Inc.
Brady (W. H.) Co., ; Signmark Div.
Industrial Safety Supply Co., Inc.
Seton Name Plate Corp.
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B.Provide manufacturer's standard pre-printed, semi-rigid, snap-on, color-
coded pipe markers, complying with ANSI A13.1.
1.For external diameters less than 6", provide full-band pipe markers,
extending 360o around pipe at each location, fastened as follows:
Snap-on application of pre-tensioned, semi-rigid plastic pipe
marker.
2.Lettering: Manufacturer's standard pre-printed nomenclature which
best describes piping system in each instance, as selected by
Architect.
3.Locate pipe markers as follows:
a.Near each valve and control device.
b.Spaced intermediately at maximum spacing of 50' along each
piping run, except reduce spacing to 25' in congested areas of
piping and equipment.
c.Branch piping need not be marked.
4.For each feed main and cross main, install zone identification marks
on 50’ centers.
C.Provide manufacturer's standard solid plastic valve tags with printed enamel
lettering, with piping system abbreviation in approximately 3/16" high
letters and sequenced valve numbers approximately 3/8" high, and with
5/32" hole for fastener. Provide tags on all valves and control devices.
1.Provide 1-1/8" sq. white tags with black lettering.
2.Provide manufacturer's standard solid brass chain (wire link or
beaded type), or solid brass S-hooks of the sizes required for proper
attachment of tags to valves, and manufactured specifically for that
purpose.
3.Submit valve schedule for piping system, typewritten and reproduced
on 8-1/2" x 11" bond paper. Tabulate valve number, piping system,
system abbreviation (as shown on tag), location of valve (room or
space), and variations for identification (if any). Mark valves which
are intended for emergency shut-off and similar special uses, by
special "flags", in margin of schedule. In addition to mounted copies,
furnish extra copies for Maintenance Manuals as specified in Division
1 and forward two (2) copies to the Amherst Fire Department.
4.For each page of valve schedule, provide glazed display frame, with
screws for removable mounting on masonry walls. Provide frames of
finished hardwood or extruded aluminum, with SSB-grade sheet
glass.
5.Mount valve schedule frames and schedules in rooms where
indicated or, if not otherwise indicated, where directed by Architect.
6.Furnish complete chart and flow diagram of entire system listing the
valve number, fluid controlled, and zone reference location for all
valves corresponding to the tag numbers. The chart shall be framed
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under glass and hung in the Mechanical Equipment Room where
directed. Furnish two (2) extra copies of the chart to the Architect.
7.Furnish and install a laminated red phenolic plate with engraved
white lettering for each zone control flow switch and valve.
Nameplates shall be located adjacent to all exposed and concealed
valves. Where flow control stations are installed above hung ceilings,
nameplates shall be installed just below the ceiling.Provide a similar
sign at the sprinkler entrance and fire alarm control panel.
2.3 PIPE, TUBE, AND FITTINGS
A.Interior Piping
1.Black Steel Pipe: ASTM A 53, A 106 or A 120: except comply with
ASTM A 53 or A 106 where close coiling or bending is required.
a.Pipe Weight: Schedule 40.
b.Fittings: Class 125, cast-iron threaded, ANSI B16.4, or
flanged, ANSI B16.1.
c.Fittings: Mechanical grooved pipe couplings and fittings; cut-
groove type for piping 2-1/2" and larger only.
2.Electric-Resistance-Welded Steel Pipe: ASTM A 135.
a.Pipe Weight: Schedule 10 for 5" and smaller; 0.134" wall
thickness for 6".
b.Fittings: Mechanical grooved pipe couplings and fittings; roll-
groove or mechanical locking type.
3.Grooved Piping Products (for use on pipes 2-1/2" and larger)
a.Coupling Housings: Malleable iron conforming to ASTM A 47.
b.Coupling Housing: Ductile iron conforming to ASTM A 536.
c.Coupling Housings Description: Grooved mechanical type,
which engages grooved or shouldered pipe ends, encasing an
elastomeric gasket which bridges pipe ends to create seal.
Cast in two or more parts, secure together during assembly
with nuts and bolts. Permit degree of contraction and
expansion as specified in manufacturer's latest published
literature.
d.Gaskets: Mechanical grooved coupling design, pressure
responsive so that internal pressure serves to increase seal's
tightness, constructed of elastomers having properties as
designated by ASTM D 2000.
e.Bolts and Nuts: Heat-treated carbon steel, ASTM A 183,
minimum tensile 110,000 psi.
f.Branch Stub-Ins: Upper housing with full locating collar for
rigid positioning engaging machine-cut hole in pipe, encasing
elastomeric gasket conforming to pipe outside diameter
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around hole, and lower housing with positioning lugs, secured
together during assembly with nuts and bolts.
g.Fittings: Grooved or shouldered end design to accept grooved
mechanical couplings.
Malleable Iron: ASTM A 47.
Ductile Iron: ASTM A 536.
h.Flanges: Conform to Class 125 cast iron and Class 150 steel
bolt hole alignment.
Malleable Iron: ASTM 47.
Ductile Iron: ASTM A 536.
i.Grooves: Conform to the following:
Standard Steel: Square cut.
Lightweight Steel: Roll grooved.
j.Manufacturer: Subject to compliance with requirements,
provide grooved piping products of the following:
ITT Grinnell Corp.
Victaulic Co.
4.CPVC Plastic Piping: Where permitted by Code Blaze Master Schedule
40 CPVC with glued fittings may be used.
B.Exterior Piping
1.Ductile-Iron Pipe: ANSI A21.51; AWWA C141; thickness class 50,
mechanical joint.
2.Cement-Mortar Lining for ductile-iron pipe and fittings: ANSI A21.4;
AWWA C104.
3.Ductile-Iron Fittings: AWWA C110, ANSI A21.10, mechanical joint.
4.Valves: Clow Cat. No. F-5707 with No. F-2452 valve box and No.
F-2493 cover.
C.Piping above ground and within the building shall conform to all
requirements of NFPA 13 and shall be as follows:
1.Piping and fittings run below grade shall be ductile iron, cement
lined, as hereinafter specified.
2.All concealed sprinkler piping (above acoustical ceiling tiles and
plaster ceilings; in pipe chases) and exposed sprinkle piping
downstream of alarm check valves, shall be Schedule 10 seamless
light wall, steel pipe with rolled grooved ends, for piping 2" and
larger, complete with suitable couplings and fittings for rolled
grooved end steel pipe.
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3.All concealed piping and all exposed sprinkler piping 1-1/2" and
smaller, shall be Schedule 40 black steel pipe with screwed fittings.
5.All exposed sprinkler piping, 1-1/2" and smaller shall be Schedule 40
black steel pipe with screwed fittings.
6.Schedule 40 seamless red brass pipe with brass screwed fittings
suitable for 175 psi. working water pressure.
7.Type "L" seamless drawn hard copper tubing with solder-joint
pressure fittings, where noted on the Drawings.
D.Install pipes and pipe fittings in accordance with recognized industry
practices which will achieve permanently leakproof piping systems, capable
of performing each indicated service without piping failure. Install each run
with minimum joints and couplings, but with adequate and accessible
unions for disassembly and maintenance/replacement of valves and
equipment. Reduce sizes (where indicated) by use of reducing fittings.
Align piping accurately at connections, within 1/16" misalignment tolerance.
Comply with ANSI B31 Code for Pressure Piping.
E.Locate piping runs, except as otherwise indicated, vertically and horizontally
(pitched to drain) and avoid diagonal runs wherever possible. Orient
horizontal runs parallel with walls and column lines. Locate runs as shown
or described by diagrams, details and notations or, if not otherwise
indicated, run piping in shortest route which does not obstruct usable space
or block access for servicing building and its equipment. Hold piping close
to walls, overhead construction, columns and other structural and
permanent-enclosure elements of building. Wherever possible in finished
and occupied spaces, conceal piping from view, by locating in column
enclosures, in hollow wall construction or above suspended ceilings; do not
encase horizontal runs in solid partitions, except as indicated.
F.Electrical Equipment Spaces: Do not run piping through transformer vaults,
elevator machine rooms, and other electrical or electronic equipment spaces
and enclosures unless approved by the Building Department. Install drip
pan under piping that must be run through electrical spaces. Any piping
intended to be run through electrical spaces shall be reviewed by the
Architect prior to installation.
G.Thread pipe in accordance with ANSI B2.1; cut threads full and clean using
sharp dies. Ream threaded ends to remove burrs and restore full inside
diameter. Apply pipe joint compound, or pipe joint tape (Teflon) where
recommended by pipe/fitting manufacturer, on male threads at each joint
and tighten joint to leave not more than 3 threads exposed.
H.Flanged Joints: Match flanges within piping system, and at connections with
valves and equipment. Clean flange faces and install gaskets. Tighten bolts
to provide uniform compression of gaskets.
I.Grooved Pipe Joints: Comply with fitting manufacturer's instructions for
making grooves in pipe ends. Remove burrs and ream pipe ends.
Assemble joints in accordance with manufacturer's instructions.
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J.Install ductile cast-iron water mains and appurtenances in accordance with
AWWA C600.
K.Clean exterior surfaces of installed piping systems of superfluous materials,
and prepare for application of specified coatings (if any).
L.Provide temporary equipment for testing, including pump and gages. Test
each natural section of each piping system independently, but do not use
piping system valves to isolate sections where test pressures exceed valve
pressure rating. Fill each section with water and pressurize for indicated
pressure and time.
M.Pipe Sleeves: Provide pipe sleeves of one of the following:
1.Steel Pipe: Fabricate from schedule 40 galvanized steel pipe; remove
burrs.
2.Sleeve Seals: Provide sleeve seals for sleeves located in foundation
walls below grade, or in exterior walls, caulked between sleeve and
pipe.
3.Install pipe sleeves of types indicated where piping passes through
walls, floors, ceilings and roofs. Do not install sleeves through
structural members of work, except as detailed on Drawings, or as
reviewed by Architect. Install sleeves so that piping will have free
movement in sleeve, including allowance for thermal expansion; but
not less than 2 pipe sizes larger than piping run. Install length of
sleeve equal to thickness of surface; except floor sleeves. Extend
floor sleeves 1/4" above level floor finish, and 3/4" above floor finish
sloped to drain. Provide temporary support of sleeves during
placement of concrete and other work around sleeves, and provide
temporary closure to prevent concrete and other materials from
entering sleeves.
4.Sleeve Seals: Install in accordance with the following:
a.Fill and pack annular space between
sleeve and pipe with oakum, caulk
with lead, on both sides.
b.Note fire safing specified in
subsection 3.04.
N.Provide pipe escutcheons as specified herein with inside diameter closely
fitting pipe outside diameter, or outside of pipe insulation where pipe is
insulated. Select outside diameter of escutcheon to completely cover pipe
sleeve extension, if any. Furnish pipe escutcheons with nickel or chrome
finish for occupied areas; prime paint finish for unoccupied areas.
1.Pipe Escutcheons for Dry Areas: Provide chrome plated sheet steel
escutcheons, solid or split hinged.
2.Subject to compliance with requirements, provide pipe escutcheons
of one of the following:
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Chicago Specialty Mfg. Co.
Producers Specialty & Mfg. Co.
Sanitary-Dash Mfg. Co.
3.Install pipe escutcheons on each pipe penetration through floors,
walls, partitions, and ceilings where penetration is exposed to view;
and on exterior of building. Secure escutcheon to pipe so
escutcheon covers penetration hole, and is flush with adjoining
surface.
2.4 SUPPORTS AND ANCHORS
A.Provide factory-fabricated piping hangers and supports complying with MSS
SP-58, of one of the following MSS types listed, selected by Installer to suit
piping systems, in accordance with MSS SP-69 and manufacturer's
published product information. Use only one type by one manufacturer for
each piping service. Select size of hangers and supports to exactly fit pipe
size.
1.Adjustable Steel Clevis Hangers: MSS Type 1, for piping larger than
6".
2.Adjustable Steel Band Hangers: MSS Type 7, for piping 6" and less.
3.Two-Bolt Riser Clamps: MSS Type 8.
B.Provide factory-fabricated hanger-rod attachments complying with MSS SP-
58, of one of the following MSS types listed, selected by Installer to suit
horizontal piping hangers and building attachments, in accordance with MSS
SP-69 and manufacturer's published product information. Use only one
type by one manufacturer for each piping service. Select size of hanger-rod
attachments to suit hanger rods.
1.Steel Turnbuckles: MSS Type 13.
2.Swivel Turnbuckles: MSS Type 15.
3.Malleable Iron Sockets: MSS Type 16.
4.Steel Weldless Eye Nuts: MSS Type 17.
C.Provide factory-fabricated building attachments complying with MSS SP-58,
of one of the following types listed, selected by Installer to suit building
substrate conditions, in accordance with MSS SP-69 and manufacturer's
published product information. Select size of building attachments to suit
hanger rods.
1.Top Beam C-Clamps: MSS Type 19.
2.Side Beam or Channel Clamps: MSS Type 20.
3.C-Clamps: MSS Type 23.
4.Side Beam Clamps: MSS Type 27.
5.Malleable Beam Clamps: MSS Type 30.
D.Subject to compliance with requirements, provide hangers and supports of
one of the following:
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B-Line Systems Inc.
Carpenter and Patterson, Inc.
Corner & Lada Co., Inc.
Elcen Metal Products Co.
Fee & Mason Mfg. Co.
ITT Grinnell Corp.
E.Install building attachments at required locations on structural steel for
proper piping support. Space attachments within maximum piping span
length indicated on MSS SP-69. Install additional building attachments
where support is required for additional concentrated loads, including
valves, flanges, guides, strainers, expansion joints, and at changes in
direction of piping.
F.Install hangers, supports, clamps and attachments to support piping
properly from building structure; comply with MSS SP-69. Arrange for
grouping of parallel runs of horizontal piping to be supported together on
trapeze type hangers where possible. Install supports with maximum
spacings complying with MSS SP-69. Where piping of various sizes is to be
supported together by trapeze hangers, space hangers for smallest pipe size
or install intermediate supports for smaller diameter pipe. Do not use wire
or perforated metal to support piping, and do not support piping from other
piping.
G.Support sprinkler piping independently of other piping.
H.Install hangers and supports to allow controlled movement of piping
systems and to permit freedom of movement between pipe anchors and to
facilitate action of expansion joints, expansion loops, expansion bends and
similar units.
I.Pipe Slopes: Install hangers and supports to provide pipe slopes and so that
maximum pipe deflections allowed to ANSI B31 Pressure Piping Codes are
not exceeded.
J.Hanger Adjustments: Adjust hangers so as to distribute loads equally on
attachments.
2.5 VALVES
A.Provide factory-fabricated valves recommended by manufacturer for use in
service indicated. Provide valves of types and pressure ratings indicated;
provide proper selection as determined by Installer to comply with
installation requirements. Provide end connections which properly mate
with pipe, tube, and equipment connections. Where more than one type is
indicated, selection is Installer's option.
1.Unless otherwise indicated, provide valves of same size as upstream
pipe size.
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2.Provide handwheels, fastened to valve stem, for valves other than
quarter-turn.
3. Provide lockable PVC covers on all valves with tamper switches.
B.Gate Valves
1.Threaded End, 2" and Smaller: FM, UL-listed, 175 psi, bronze body,
solid wedge, outside screw and yoke, rising stem.
Crane: 459
Fairbanks: 0222
Hammond: IB681
Jenkins: 275U
Stockham: B-133
Walworth: 904
2.Flanged End, 2-1/2" and Larger: FM, UL-listed, 175 psi, iron body
bronze mounted, solid wedge, outside screw and yoke, rising stem.
Crane: 467
Fairbanks: 0412
Hammond: IR1154
Jenkins: 825-A
Stockham: G-634
Walworth: 8713-F
C.Check Valves
1.2-1/2" and Larger: FM, 175 psi, iron body bronze mounted,
renewable composition disc and bronze seat ring, bolted cover,
flanged ends.
Fairbanks: 0711
Jenkins: 729
Stockham: G-940
Walworth: 8883-LT
D.Install valves where required for proper operation of piping and equipment,
including valves in branch lines where necessary to isolate sections of
piping. Locate valves so as to be accessible and so that separate support
can be provided when necessary.
E.Install valves with stems pointed up, in vertical position where possible, but
in no case with stems pointed downward from horizontal plane unless
unavoidable.
2.6 FIRE PROTECTION SPECIALTIES
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A.Provide fire protection specialties, UL listed, in accordance with the following
listing. Provide sizes and types which mate and match piping and
equipment connections.
1.Upright sprinkler heads shall be Viking Sprinkler Corp., Model "M"
standard upright sprinkler head, rough brass. Temperature rating
165oF or as required by the insurance underwriter. Boiler Room
heads to have 212oF rating.
2.Pendent sprinkler heads shall be extended range polished chrome
finish. Viking Model "M" semi-recessed rated at 165oF unless noted
otherwise.Dry pendants shall be equal to Reliable Model G3FR with
white finish.
3.Horizontal sidewall sprinkler heads shall be Viking extended range
Model "M/ME" with chrome finish, temperature 165oF unless noted
otherwise.Dry sidewall heads shall be equal to Reliable Model G3FR
with white finish.
4.Concealed pendent sprinkler heads shall be Central Model “A” Royal
Flush.
5.Tamper switches shall be equal to Potter Electrical Signal Company,
Model OSYS-B, small case, and shall be installed on all control valves
for the sprinkler system.
6.Fire Department pumper connection shall be equal to Potter-Roemer,
Inc. Stortz Type, cast brass identification base plate lettered to read
"Automatic Sprinklers", cast brass pin lug plugs and chains on each
pin lug swivel spaced 9 inches on center. Threads shall conform with
the local Fire Department standards. Furnish and install 4" check
valve with automatic ball drip equal to Potter-Roemer Model 5982.
7.Automatic ball drips, as manufactured by Potter-Roemer shall be Fig.
5982, size 3/4", of straight design in case brass. Install in horizontal
position only.
8.Swing Check valve shall be equal to Central, Model "80" with tapping
for automatic ball drip, size as required.
9.Double check valve assembly as noted on plans, DEP approved for
backflow prevention, Watts Model 709DDC with check meter. Provide
test kits Model TK-7-BFP, and one repair kit.
10.Spare sprinklers shall be provided in one 12-head cabinet equal to
Reliable, Model A-1 cabinet. Each cabinet shall have an assortment of
heads, as well as three (3) spare dry head and stems of various
representative lengths, as used on the job, and also an approved type
sprinkler head wrench; mount cabinet in alarm check valve area.
Provide one cabinet at each riser located at riser.
11.Subject to compliance with requirements, provide fire protection
specialties of the following Grinnell Fire Protection Systems, Co., Inc.,
Viking Corporation, or equal.
12.Alarm Test Modules: Furnish and install AGF Manufacturing, Inc.'s UL
listed and FM approved "Test and Drain" for the alarm test loops,
where indicated on the Drawings, complete with combination sight
glass/orifice.
13.Valves with Built-in Tamper Switches: Furnish and install, and each
flow control station, Milwaukee Valve Co.'s Model BB-VSCSO2
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grooved ends, 175 psi, slow closing "Butterball" butterfly valves,
complete with built-in tamper switch for 2-1/2" pipe size; Model BB-
SCSO2 for threaded pipe 2" and smaller. Valves shall be FM approved
and UL listed. Provide PVC jacket with lock for all valves.
14.Outside gate valve shall be equal to Kennedy Model 952 XP-GH
complete with Figure 123 two-piece valve box and cover and figure
122 valve wrench and tamper switch.
15.Dry-pipe alarm check valve shall be equal to Reliable Model “D-4”
system complete with alarm valve, solenoid valve and air
maintenance device, accelerator, compressor and trim.
16.Wet-pipe alarm check valve shall be equal to Reliable Model “E”
with conventional trim kit, retarder, and excess pressure pump.
17.Alarm Test Modules: Furnish and install AGF Manufacturing, Inc.'s
UL listed and FM approved "Test and Drain" for the alarm test
loops, where indicated on the drawings, complete with combina-
tion sight glass/orifice.
18.Standpipe valve cabinet shall be recessed type. Valve cabinet shall
be equal to Potter Roemer Model 1810/1812 with 2 ½” fire de-
partment valve and type “B” door.
2.7 ACCESS PANELS
A.Access panel doors for all concealed inaccessible valves, in masonry
walls, plastered walls, plastered or gypsum wallboard ceilings, shall be
furnished by the Fire Protection Subcontractor and installed by trades-
men of wall or ceiling finish. Access panels in plaster shall be Karp type
DSC-214 PL (12” by 12”). For dry wall ceilings, shall be Karp Sesame
Slim Trim Access Hatches, Type KSTDW/CAD (12 “ by 12” minimum.)
2.8 VIBRATION AND SEISMIC CONTROL
A.Intent:
1.All mechanical equipment, piping and ductwork as noted on the
equipment schedule or in the Specification shall be mounted on
vibration isolators and with flexible connections to prevent the
transmission of vibration and mechanically transmitted sound to the
building structure. Vibration isolators shall be selected in accordance
with the weight distribution so as to produce reasonably uniform
deflections. All fire protection vibration and seismic control shall
meet NFPA requirements.
2.All isolators and isolation materials shall be of the same manufacturer
and shall be certified by the manufacturer.
3.It is the intent of the seismic portion of Specification to keep all
mechanical building system components in place during a seismic
event.
4.All such systems must be installed in strict accordance with seismic
codes, component manufacturer’s and building construction
standards. Whenever a conflict occurs between the manufacturers or
construction standards, the most stringent shall apply.
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5.This Specification is considered to be minimum requirements for
seismic consideration and is not intended as a substitute for
legislated, more stringent, national, state or local construction
requirements (i.e. California Title 24, California OSHPD, Canadian
Building Codes, or other requirements).
6.Any variance or non-compliance with these Specification
requirements shall be corrected by the Contractor in an approved
manner.
7.Seismic restraints shall be designed in accordance with seismic force
levels as detailed in Section H.
B.The work in this Section includes, but is not limited to, the following:
1.Vibration isolation for piping, ductwork and equipment.
2.Equipment isolation bases.
3.Flexible piping connections.
4.Seismic restraints for isolated equipment.
5.Seismic restraints for non-isolated equipment.
6.Certification of seismic restraint designs and installation supervision.
7.Certification of seismic attachment of housekeeping pads.
8.All mechanical systems. Equipment buried underground is excluded
but entry of services through the foundation wall is included.
Equipment referred to below is typical. (Equipment not listed is still
included in this Specification).
Compressors
Electrical Panels
Heat Exchangers
Piping
Pumps (All types)
Tanks (All types)
C.Definitions:
1.Life Safety Systems
a.All systems involved with fire protection including sprinkler
piping, fire pumps, jockey pumps, fire pump control panels,
service water supply piping, water tanks, fire dampers and
smoke systems.
b.All systems involved with and/or connected to emergency
power supply including all generators, transfer switches,
transformers and all flowpaths to fire protection and/or
emergency lighting systems.
c.All medical and life support systems
d.Fresh air relief systems on emergency control sequence
including air handlers, conduit, duct, dampers, etc.
e.All life safety equipment has an asterisk on the equipment
schedule.
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2.Positive Attachment:
a.A positive attachment is defined as a cast-in anchor, a drill-in
wedge anchor, a double-sided beam clamp loaded
perpendicular to a beam, or a welded or bolted connection to
structure. Single sided “C” type beam clamps for support rods
of overhead piping, ductwork, or any other equipment are not
acceptable on this project as seismic anchor points.
3.Transverse Bracing:
a.Restraint(s) applied to limit motion perpendicular to the
centerline of the pipe, duct or conduit.
4.Longitudinal Bracing:
a.Restraint(s) applied to limit motion parallel to the centerline of
the pipe, duct or conduit.
D.Manufacturer’s Data:
1.The manufacturer of vibration isolation and seismic restraints shall
provide submittals for products as follows:
a.Descriptive Data:
(1)Catalog cuts or data sheets on vibration isolators and
specific restraints detailing compliance with the
Specification.
(2)Detailed schedules of flexible and rigidly mounted
equipment, showing vibration isolators and seismic
restraints by referencing numbered descriptive
Drawings.
b.Shop Drawings:
(1)Submit fabrication details for equipment bases
including dimensions,structural member sizes and
support point locations.
(2)Provide all details of suspension and support for ceiling
hung equipment.
(3)Where walls, floors, slabs or supplementary steel work
are used for seismic restraint locations, details of
acceptable attachment methods for ducts, conduit and
pipe must be included and approved before the
condition is accepted for installation. Restraint
manufacturer’s submittals must include spacing, static
loads and seismic loads at all attachment and support
points.
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(4)Provide specific details of seismic restraints and
anchors; include number,size and locations for each
piece of equipment.
c.Seismic Certification and Analysis:
(1)Seismic restraint calculations must be provided for all
connections of equipment to the structure. Calculations
must be stamped by a registered professional engineer
with at least five years of seismic design experience,
licensed in the state of the job location.
(2)All restraining devices shall have a pre-approval
number from California OSHPD or some other
recognized government agency showing maximum
restraint ratings. Pre-approvals based on independent
testing are preferred to pre-approvals based on
calculations. Where pre-approved devices are not
available, submittals based on independent testing are
preferred. Calculations (including the combining of
tensile and shear loadings) to support seismic restraint
designs must be stamped by a registered professional
engineer with at least five years of seismic design
experience and licensed in the state of the job location.
Testing and calculations must include both shear and
tensile loads as well as one test or analysis at 458 to the
weakest mode.
(3)Analysis must indicate calculated dead loads, static
seismic loads and capacity of materials utilized for
connections to equipment and structure. Analysis must
detail anchoring methods, bolt diameter, embedment
and/or welded length. All seismic restraint devices shall
be designed to accept, without failure, the forces
detailed in Section H acting through the equipment
center of gravity. Overturning moments may exceed
forces at ground level.
E.Code and Standards Requirements:
1.Typical Applicable Codes and Standards -most recent or enforced
code:
a.Massachusetts State Building Code.
b.BOCA National Mechanical Code.
c.NFPA 90A.
F.Manufacturer’s Responsibility:
1.Manufacturer of vibration isolation and seismic control equipment
shall have the following responsibilities:
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a.Determine vibration isolation and seismic restraint sizes and
locations.
b.Provide vibration isolation and seismic restraints as scheduled
or specified.
c.Provide calculations and materials if required for restraint of
un-isolated equipment.
d.Provide installation instructions, drawings and trained field
supervision to insure proper installation and
performance.
G.Related Work:
1.Housekeeping Pads:
a.Housekeeping pad reinforcement and monolithic pad
attachment to the structure details and design shall be
prepares by the restraint vendor if not already indicated on the
Drawings.
b.Housekeeping pads shall be coordinated with restraint vendor
and sized to provide a minimum edge distance of ten (10) bolt
diameters all around the outermost anchor bolt to allow
development of full drill-in wedge anchor ratings. If cast-in
anchors are to be used, the housekeeping pads shall be sized
to accommodate the ACI requirements for bolt coverage and
embedment.
2.Supplementary Support Steel:
a.Contractor shall supply supplementary support steel for all
equipment, piping, ductwork, etc. including roof
mounted equipment, as required or
specified.
3.Attachments:
a.Contractor shall supply restraint attachment plates cast into
housekeeping pads, concrete inserts,double sided
beam clamps, etc. in accordance with the
requirements of the vibration vendor’s
calculations.
H.Seismic Force Levels
1.The following force levels will be used on this project.
Minimum “G” Forces Equal to or Exceeding Building Code Listed in E.
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Building
Code
“G” Force
for all pipes, Duct
& Conduit
“G” Force
for Rigidity
Mounted
Equipment
“G” Force
for Flexibility
Mounted
Equipment
“G” Force For
Life Safety
Equipment Either
Rigidity or
Flexibility
Mounted
Zone
UBC
Horiz. Vert.
* *
Horiz. Vert.
* *
Horiz. Vert.
* *
Horiz. Vert.
* *
BOCA
SBCCI
.25 .08 0.4 0.15 0.1 0.15 0.6 0.2
I.Product Intent:
1.All vibration isolators and seismic restraints described in this section
shall be the product of a single manufacturer. Mason Industry’s
products are the basis of these Specifications; products of other
manufacturers are acceptable provided their systems strictly comply
with the Specifications and have the approval of the specifying
engineer. Submittals and certification sheets shall be in accordance
with Section D.
2.For the purposes of this project, failure is defined as the
discontinuance of any attachment point between equipment or
structure, vertical permanent deformation greater than 1/8 in.
and/or horizontal permanent deformation greater than 1/4 in.
J.Product Description: Vibration Isolators and Seismic Restraints:
1.Two (2) layers of 3/4 in. thick neoprene pad consisting of 2 in.
square waffle modules separated horizontally by a 16 gauge
galvanized shim. Load distribution plates shall be used as required.
Pads shall be Type Super “W” as manufactured by Mason Industries,
Inc.
2.Bridge-bearing neoprene mountings shall have a minimum static
deflection of 0.2 in. and all directional seismic capability. The mount
shall consist of a ductile iron casting containing two separated and
opposing molded neoprene elements. The elements shall prevent the
central threaded sleeve and attachment bolt from contacting the
casting during normal operation. The shock absorbing neoprene
materials shall be compounded to bridge-bearing Specifications.
Mountings shall have an Anchorage Preapproval “R” Number from
OSHPD in the State of California verifying the maximum certified
horizontal and vertical load ratings. Mountings shall be Type BR as
manufactured by Mason Industries, Inc.
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3.Sheet metal panels shall be bolted to the walls or supporting
structure by
assemblies consisting of a neoprene bushing cushioned between 2
steel sleeves. The outer sleeve prevents the sheet metal from cutting
into the neoprene. Enlarge panel holes as required. Neoprene
elements pass over the bushing to cushion the back panel
horizontally. A steel disc covers the inside neoprene element and the
inner steel sleeve is elongated to act as a stop so tightening the
anchor bolts does not interfere with panel isolation in three (3)
planes. Bushing assemblies can be applied to the ends of steel cross
members where applicable. All assemblies shall be Type PB as
manufactured by Mason Industries, Inc.
4.A one piece molded bridge bearing neoprene washer/bushing. The
bushing shall surround the anchor bolt and have a flat face to avoid
metal to metal contact. Neoprene bushings shall be Type HG as
manufactured by Mason Industries, Inc.
5.Spring isolators shall be free standing and laterally stable without any
housing and complete with a molded neoprene cup or 1/4 in.
neoprene acoustical friction pad between the baseplate and the
support. All mountings shall have leveling bolts that must be rigidly
bolted to the equipment. Spring diameters shall be no less than 0.8 if
the compressed height of the spring at rated load. Springs shall have
a minimum additional travel to solid equal to 50% of the rated
deflection. Submittals shall include spring diameters, deflection,
compressed spring height and solid spring height. Mountings shall
be Type SLF as manufactured by Mason Industries, Inc.
6.Restrained spring mountings shall have an SLF mounting as
described in Specification 5, within a rigid housing that includes
vertical limit stops to prevent spring extension when weight is
removed. The housing shall serve as blocking during erection. A steel
spacer shall be removed after adjustment. Installed and operating
heights are equal. A minimum clearance of 1/2 in. shall be
maintained around restraining bolts and between the housing and
the spring so as not to interfere with the spring action. Limit stops
shall be out of contact during normal operation. Since housings will
be bolted or welded in position there must be an internal isolation
pad. Housing shall be designed to resist all seismic forces. Mountings
shall have Anchorage Pre-approval “R” Number from OSHPD in the
state of California certifying the maximum certified horizontal and
vertical load ratings. Mountings shall be SLR as manufactured by
Mason Industries, Inc.
7.Spring mountings as in Specification 5 built into a ductile iron or steel
housing to provide all directional seismic snubbing. The snubber
shall be adjustable vertically and allow a maximum if 1/4 in. travel in
all directions before contacting the resilient snubbing collars.
Mountings shall have an Anchorage Pre-approval “R” Number from
OSHPD in the State of California verifying the maximum certified
horizontal and vertical load ratings. Mountings shall be SSLFH as
manufactured by Mason Industries, Inc.
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8.Air Springs shall be manufactured with upper and lower steel sections
connected by a replaceable flexible nylon reinforced neoprene
element. Air spring configuration shall be multiple bellows to achieve
a maximum natural frequency of 3 Hz. Air Springs shall be designed
for a burst pressure that is a minimum of three times the published
maximum operating pressure. All air spring systems shall be
connected to either the building control air or a supplementary air
supply and equipped with three (3) leveling valves to maintain
leveling within plus or minus 1/8 in. Submittals shall include natural
frequency, load and damping tests performed by an independent lab
or acoustician. Air Springs shall be Type MT and leveling valves Type
LV as manufactured by Mason Industries, Inc.
9.Restrained air spring mountings shall have an MT air spring as
described in Specification 8, within a rigid housing that includes
vertical limit stops to prevent air spring extension when weight is
removed. The housing shall serve as blocking during erection. A steel
spacer shall be removed after adjustment. Installed and operating
heights are equal. A minimum clearance of 1.2 in. shall be
maintained around restraining bolts and between the housing and
the air spring action. Limit stops shall be out of contact during
normal operation. Housing shall be designed to resist all seismic
forces. Mountings shall be SLR-MT as manufactured by Mason
Industries, Inc.
10.Hangers shall consist of rigid steel frames containing minimum 1-
1/4 in. thick neoprene elements at the top and a steel spring with
general characteristics as in Specification 5 seated in a steel washer
reinforced neoprene cup on the bottom. The neoprene element and
the cup shall have neoprene bushings projecting through the steel
box. To maintain stability the boxes shall not be articulated as clevis
hangers or the neoprene element stacked on top of the spring.
Spring diameters and hanger box lower hole sizes shall be large
enough to permit the hanger rod to swing through a 308 arc from
side to side before contacting the rod bushing and short circuiting
the spring. Submittals shall include a hanger Drawing showing the
308 capability. Hangers shall be Type 30N as manufactured by Mason
Industries, Inc.
11.Hangers shall be as described in 10, but they shall be precompressed
and locked at the rated deflection by means of a resilient seismic
upstop to keep the piping or equipment at a fixed elevation during
installation. The hangers shall be designed with a release mechanism
to free the spring after the installation is complete and the hanger is
subjected to its full load. Deflection shall be clearly indicated by
means of a scale. Submittals shall include a Drawing of the hanger
showing the 30 degree capability. Hangers shall be Type PC30N as
manufactured by Mason Industries, Inc.
12.Seismic Cable Restraints shall consist of galvanized steel aircraft
cables sized to resist seismic loads with a minimum safety factor of
two (2) and arranged to provide all-directional restraint. Cable end
connections shall be steel assemblies that swivel to final installation
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angle and utilize two (2) clamping bolts to provide proper cable
engagement. Cables must not be allowed to bend across sharp
edges. Cable assemblies shall have an Anchorage Preapproval “R”
Number from OSHPD in the State of California verifying the maximum
certified load ratings. Cable assemblies shall be Type SCB at the
ceiling and at the clevis bolt, SCBH between the hanger rod nut and
the clevis or SCBV if clamped to a beam all as manufactured by
Mason Industries, Inc.
13.Seismic solid braces shall consist of steel angles or channels to resist
seismic loads with a minimum safety factor of 2 and arranged to
provide all directional restraint. Seismic solid brace end connectors
shall be steel assemblies that swivel to the final installation angle and
utilize two through bolts to provide proper attachment. Seismic solid
brace assembly shall have anchorage preapproval “R” Number from
OSHPD in the state of California verifying the maximum certified load
ratings. Solid seismic brace assemblies shall be Type SSB as
manufactured by Mason Industries, Inc.
14.Steel angles, sized to prevent buckling, shall be clamped to pipe or
equipment rods utilizing a minimum of three ductile iron clamps at
each restraint location when required. Welding of support rods is not
acceptable. Rod clamp assemblies shall have an Anchorage
Preapproval “R” Number from OSHPD in the State of California. Rod
clamp assemblies shall be Type SRC as manufactured by Mason
Industries, Inc.
15.Pipe clevis cross bolt braces are required in all restraint locations.
They shall be special purpose performed channels deep enough to be
held in place by bolts passing over the cross bolt. Clevis cross braces
shall have an Anchorage Preapproval “R”Number from OSHPD in the
State of California. Clevis cross brace shall be Type CCB as
manufactured by Mason Industries, Inc.
16.All-directional seismic snubbers shall consist of interlocking steel
members restrained by a one-piece molded neoprene bushing of
bridge bearing neoprene. Bushing shall be replaceable and a
minimum of 1/4 in. thick. Rated loadings shall not exceed 1000 psi.
A minimum air gap of 1/8 in. shall be incorporated in the snubber
design in all directions before contact is made between the rigid and
resilient surfaces. Snubber end caps shall be removable t allow
inspection of internal clearances. Neoprene bushings shall be rotated
to insure no short circuits exist before systems are activated.
Snubbers shall have an Anchorage Preapproval “R” Number from
OSHPD in the State of California verifying the maximum certified
horizontal and vertical load ratings. Snubber shall be Type Z-1225 as
manufactured by Mason Industries, Inc.
17.All directional seismic snubbers shall consist of interlocking steel
members restrained by shock absorbent rubber materials
compounded to bridge bearing Specifications. Elastomeric materials
shall be replaceable and a minimum of 3/4 in. thick. Rated loadings
shall not exceed 1000 psi. Snubbers shall be manufactured with air
gap between hard and resilient material of nor less than 1/8 in. nor
more than 1/4 in. Snubbers shall be installed with factory set
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clearances. The capacity of the seismic snubber at 3/8 in. deflection
shall be equal or greater than the load assigned to the mounting
grouping controlled by the snubber multiplied by the applicable “G”
force. Submittals shall include the load deflection in the x, y and z
planes. Snubbers shall have an anchorage preapproval “R”Number
from OSHPD in the State of California verifying the maximum certified
horizontal and vertical load ratings. Snubbers shall be series Z-1011
as manufactured by Mason Industries, Inc.
18.Stud wedge anchors shall be manufactured from full diameter wire,
not from undersized wire that is “rolled up” to create the thread. The
stud anchor shall also have a safety shoulder, which fully supports
the wedge ring under load. The stud anchors shall have an evaluation
report number from the I.C.B.O. Evaluation Service, Inc. verifying its
allowable loads. Drill-in stud edge anchors shall be Type SAS as
manufactured by Mason Industries, Inc.
19.Female wedge anchors are preferred in floor locations so isolators or
equipment can be slid into place after the anchors are installed.
Anchors shall be manufactured from full diameter wire, and shall
have a safety shoulder to fully support the wedge ring under load.
Female wedge anchors shall have an evaluation report number from
I.C.B.O. Evaluation Service, Inc. verifying to its allowable loads. Drill-in
female wedge anchors shall be Type SAB as manufactured by Mason
Industries, Inc.
20.Vibration isolation manufacturer shall furnish rectangular steel
concrete pouring forms for floating and inertia foundations. Bases for
split case pumps shall be large enough to provide for suction and
discharge of elbows. Bases shall be a minimum of 1/12 of the longest
dimension of the base but not less than 6 in. The base depth need
not exceed 12 in. unless specifically recommended by the base
manufacturer for mass or rigidity. Forms shall include minimum
concrete reinforcing consisting of 1/2 in. bars welded in place on 6
in. centers running both ways in a layer 1-1/2 in. above the bottom.
Forms shall be furnished with steel templates to hold the anchor bolt
sleeves and anchors while concrete is being poured. Height saving
brackets shall be employed in all mounting locations to maintain a 1
in. clearance below the base. Wooden formed bases leaving a
concrete rather than a steel finish are not acceptable. Base shall be
Type BMK o K as manufactured by Mason Industries, Inc.
21.Flexible spherical piping connectors shall employ peroxide cured
EPDM in the covers; liners and Dacron tire cord frictioning. Solid steel
rings shall be used within the raised face rubber ends to prevent
pullout. Flexible cable bead wire is not acceptable. Sizes 2 in. and
larger shall have two spheres reinforced with a ring between spheres
to maintain shape and complete with split ductile iron or steel flanges
with hooked or similar interlocks. Sizes 16 in. to 24 in. may be single
sphere. Sizes 3/4 in. to 1-1/2 in. may have threaded bolted flange
assemblies, one sphere and cable retention. 14 in. and smaller
connectors shall be rated at 250 psi up to 1908 F with a uniform drop
in allowable pressure to 190 psi at 2508 F. 16 in. and larger
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connectors are rated 180 psi at 1908 F and 135 psi at 2508 F. Safety
factors to burst and flange pullout shall be a minimum of 3/1. All
joints must have permanent markings verifying a 5 minute factory
test at twice the rated pressure. Concentric reducers to the above
Specifications may be substituted for equal ended expansion joints.
Pipe connectors shall be installed in piping gaps equal to the length
of the expansion joints under pressure. Control rods need only be
used in unanchored piping locations where the manufacturer
determines the installation exceeds the pressure requirement without
control rods, as control rods are not desirable in seismic work. If
control rods are used, they must have 1/2 in. thick Neoprene washer
bushings large enough in area to take the thrust at 1000 psi
maximum on the washer area. Expansion joints shall be installed on
the equipment side of the shut off valves.
Submittals shall include two (2) test reports by independent
consultants showing minimum reductions of 20 DB in vibration
accelerations and 10 DB in sound pressure levels at typical blade
passage frequencies on this or a similar product by the same
manufacturer. All expansion joints shall be installed on the
equipment side of the shut off valves. Expansion joints shall be
SAFEFLEX SFDEJ, SFEJ, SFDCR or SFU and Control Rods CR as
manufactured by Mason Industries, Inc.
22.Flexible stainless steel hose shall have stainless steel braid and
carbon steel fittings. Sizes 3 in. and larger shall be flanged. Smaller
sizes shall have male nipples. Minimum lengths shall be as tabulated:
Flanged Male Nipples
3 x 14 10 x 261/2 x 9 1-1/2 x 13
4 x 15 12 x 28 3/4 x 10 x 14
5 x 19 14 x 30 1 x 11 1/2 x 18
6 x 20 16 x 32 1/4 x 12
Hoses shall be installed on the equipment side of the shut-off valves
horizontally and parallel to the equipment shafts wherever possible.
Hoses shall be Type BSS as manufactured by Mason Industries, Inc.
23.All-directional acoustical pipe anchor, consisting of two sizes of steel
tubing separated by a minimum 1/2 in. thick 60 durometer
neoprene. Vertical restraint shall be provided by similar material
arranged to prevent vertical travel in either direction. Allowable loads
on the isolation material should not exceed 500 psi and the design
shall be balanced for equal resistance in any direction. All-directional
anchors shall be Type ADA as manufactured by Mason Industries, Inc.
24.Pipe guides shall consist of a telescopic arrangement of two sizes of
steel tubing separated by a minimum 1/2 in. thickness of 60
durometer neoprene. The height of the guides shall be preset with a
shear pin to allow vertical motion due to pipe expansion or
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contraction. Shear pin shall be removable and reinsertable to allow
for selection of pipe movement. Guides shall be capable of 6 1-5/8
in. motion, or to meet location requirements. Pipe guides shall be
Type VSG as manufactured by Mason Industries, Inc.
25.Split Wall Seals consists of two bolted pipe halves with minimum 3/4
in. thick neoprene sponge bonded to the inner faces. The seal shall
be tightened around the pipe to eliminate clearance between the
inner sponge face and the piping. Concrete may be packed around
the seal to make it integral with the floor, wall or ceiling if the seal is
not already in place around the pipe prior to the construction of the
building member. Seals shall project a minimum of 1 in. past either
face of the wall. Where temperatures exceed 240 dig. F., 10 lb.
density fiberglass may be used in lieu of the sponge. Seals shall be
Type SWS as manufactured by Mason Industries, Inc.
26.The horizontal thrust restraint shall consist of a spring element in
series with a neoprene molded cup as described in Specification 5
with the same deflection as specified for the mountings or hangers.
The spring element shall be designed so it can be preset for thrust at
the factory and adjusted in the field to allow for a maximum of 1/4
in. movement at start and stop. The assembly shall be furnished with
one (1) rod and angle brackets for attachment to both the equipment
and the ductwork or the equipment and structure. Horizontal
restraints shall be attached at the centerline of thrust and
symmetrical on either side of the unit. Horizontal thrust restraints
shall be Type WBI/WBD as manufactured by Mason Industries, Inc.
K.Execution -General:
1.All vibration isolators and seismic restraint systems must be installed
in strict accordance with the manufacturer’s written instruction and
all certified submittal data.
2.Installation of vibration isolators and seismic restraints must not
cause any change of position of equipment, piping or duct work
resulting in stresses or misalignment.
3.No rigid connections between equipment and the building structure
shall be made that degrades the noise and vibration control system
herein specified.
4.The Contractor shall not install any equipment, piping, duct or
conduit which makes rigid connections with the building unless
isolation is not specified. “Building” includes, but is not limited to,
slabs, beams, columns, studs and walls.
5.Coordinate work with other trades to avoid rigid contact with the
building.
6.Any conflicts with other trades which will result in rigid contact with
equipment or piping due to inadequate space or other unforeseen
conditions should be brought to the architects/engineers attention
prior to installation. Corrective work necessitated by conflicts after
installation shall be at the responsible Contractor’s expense.
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7.Bring to the architects/engineers attention any discrepancies between
the Specifications and the field conditions or changes required due to
specific equipment selection, prior to installation. Corrective work
necessitated by discrepancies after installation shall be at the
responsible Contractor’s expense.
8.Correct, at no additional cost, all installations, which are deemed
defective in workmanship and materials at the Contractor’s expense.
9.Overstressing of the building structure must not occur because of
overhead support of equipment. Contractor must submit loads to the
structural engineer of record for approval. Generally bracing may
occur from:
a.Flanges of structural beams.
b.Upper truss cords in bar joist construction.
c.Cast in place inserts or wedge type drill-in concrete anchors.
10.Specification 12 cable restraints shall be installed slightly slack to
avoid short circuiting the isolated suspended equipment, piping or
conduit.
11.Specification 12 cable assemblies are installed taut on non-isolated
systems. Specification 13 seismic solid braces may be used in place
of cables on rigidly attached systems only.
12.At locations where Specification 12 or 13 restraints are located, the
support rods must be braced when necessary to accept compressive
loads with Specification 14 braces.
13.At all locations where Specification 12 or 13 restraints are located,
the support rods must be braced when necessary to accept
compressive loads with Specification 14 braces.
14.Drill-in concrete anchors for ceiling and wall installation shall be
Specification type 18, and Specification type 19 female wedge type
for floor mounted equipment.
15.Vibration isolation manufacturer shall furnish integral structural steel
bases as required. Independent steel rails are not permitted on this
project.
16.Hand built elastomeric expansion joints may be used when pipe sizes
exceed 24 in. or specified movements exceed Specification 23
capabilities.
17.Where piping passes through walls, floors or ceilings the vibration
isolation manufacturer shall provide Specification 27 wall seals.
18.Locate isolation hangers as near to the overhead support structure as
possible.
L.Vibration Isolation of Piping:
1.Horizontal Pipe Isolation: The first three (3) pipe hangers in the main
lines near the mechanical equipment shall be as described in
Specification 11. Specification 11 hangers must also be used in all
transverse braced isolated locations. Brace hanger rods with SRC
clamps Specification 14. Horizontal runs in all other locations
throughout the building shall be isolated by hangers as described in
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Specification 10. Floor supported piping shall rest on isolators as
described in Specification 6. Heat exchangers and expansion tanks
are considered part of the piping run. The first three-(3) isolators
from the isolated equipment will have the same static deflection as
specified for the mountings under the connected equipment. If
piping is connected to equipment located in basements and hangs
from ceilings under occupied spaces the first three hangers shall
have 0.75 in. deflection for pipe sizes up to and including 3 in., 1-
1/2 in. deflection for pipe sizes up to and including 6 in., and 2-1/2
in. deflection thereafter. Hangers shall be located as close to the
overhead structure as practical. Where piping connects to mechanical
equipment install Specification 23 flexible piping connection or
Specification 24 stainless steel hoses is 23 is not suitable for the
service.
2.Riser Isolation: Risers shall be suspended from Specification 10
hangers or supported by Specification 5 mountings, anchored with
Specification 25 anchors, and guided with Specification 26 sliding
guides. Steel springs shall be a minimum of 0.75 in. except in those
expansion locations where additional deflection is required to limit
load changes to 6 25% of the initial load. Submittals must include
riser diagrams and calculations showing anticipated expansion and
contraction at each support point, initial and final changes and
seismic loads. Submittal data shall include certification that the riser
system has been examined for excessive stresses and that none will
exist in the proposed design.
M.Seismic Restraint of Piping:
1.Seismically restrain all piping listed as a, b or c below. Use
Specification 12 cables if isolated. Specification 12 or 13 restraints
may be used on unisolated piping.
a.Fuel oil piping, gas piping, medical gas piping, and
compressed air piping that is 1 in. I.D. or larger.
b.Piping located in boiler rooms, mechanical equipment (fan)
rooms, and refrigeration equipment rooms that is 1-1/4
in. I.D. and larger.
c.All other piping 2-1/2 in. diameter and larger.
2.Transverse piping restraints shall be at 40’ maximum spacing for all
pipe sizes,except where lesser spacing is required to limit anchorage
loads.
3.Longitudinal restraints shall be at 80’ maximum spacing for all pipe
sizes, except where lesser spacing is required to limit anchorage
loads.
4.Where thermal expansion is a consideration, guides and anchors may
be used as transverse and longitudinal restraints provided they have
a capacity equal to or greater than the restraint loads in addition to
the loads induced by expansion or contraction.
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5.For fuel oil and all gas piping transverse restraints must be at 20-ft.
maximum andlongitudinal restraints at 40-ft. maximum spacing.
6.Transverse restraint for one (1) pipe section may also act as a
longitudinal restraint for a pipe section of the same size connected
perpendicular to it if the restraint is installed within allowable limits at
longer distances.
7.Hold down clamps must be used to attach pipe to all trapeze
members beforeapplying restraints in a manner similar to clevis
supports.
8.Branch lines may not be used to restrain main lines.
9.Cast-iron pipe of all types, glass pipe and any other pipes joined with
a four band shield and clamp assembly in Zones 2B, 3 and 4 shall be
braced as in sections 3.02.C.2 and 3. For Zones 0, 1 and 2A, 2 band
clamps may be used with reduced spacings of 1/2 of those listed in
sections 3.02.C2 and 3.
N.All mechanical equipment shall be vibration isolated and seismically
restrained as per the schedules in paragraph S of this Specification.
O.Seismic Restraint Exclusions:
1.Piping:
a.All piping less than 2-1/2 in. in diameter except those listed
below.
b.All gas piping and medical gas piping less than 1 in. I.D.
c.All piping in boiler and mechanical equipment rooms less than
1-1/4 in. I.D.
d.All clevis or trapeze supported piping suspended from hanger
rods where the point of attachment is less
than the 12 in. in length from the structure to the
structural connection of the clevis or trapeze.
e.All PVC and fiberglass suspended waste or vent pipe 6 in. in
diameter and smaller.
P.Suspended Equipment:
1.Suspended equipment weighing less than 50 lbs. and supported with
a minimum of
4 hanger rods.
Q.Schedules:
Vibration Isolation and / or
Seismic Restraint
Equipment Schedule Specification Static
Deflection
Pumps –Base Mounted 1, 4, 18, 23
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Pumps –In-Line 23
PART 3 -EXECUTION
3.1 CLEANING AND TESTING
A.Prior to connecting sprinkler risers for flushing, flush water feed mains,
lead-in connections and control portions of sprinkler piping. After fire
sprinkler piping installation has been completed and before piping is placed
in service, flush entire sprinkler system, as required to remove foreign
substances, under pressure as specified in ANSI/NFPA 13R. Continue
flushing until water is clear, and check to ensure that debris has not clogged
sprinklers.
B.After flushing system, test fire sprinkler piping hydrostatically, for period of
2 hours, at not less than 200 psi or at 50 psi in excess of maximum static
pressure when maximum static pressure is in excess of 150 psi. Check
system for leakage of joints. Measure hydrostatic pressure at low point of
each system of zone being tested. Test dry-pipe hydrostatically except, in
freezing conditions, test with air at pressures not less than 50 psi, for period
of 2 hours. Check system for leakage. Leave differential dry-valve clappers
open during test, to prevent damage.
C.Repair or replace piping system as required to eliminate leakage in
accordance with ANSI/NFPA standards for "little or no leakage", and retest as
specified to demonstrate compliance. Do not use chemicals, stop-leak
compounds, mastics, or other temporary repair methods.
3.2 CUTTING AND PATCHING
A.Cutting and/or patching of holes 4 inch diameter and/or larger openings
and holes, required for the installation of fire protection in the building,
shall be performed by the General Contractor. All holes smaller than 4"
diameter shall be by the Subcontractor. All work and materials shall be
installed in such a manner and at such time to keep cutting and patching to
a minimum. Location for openings shall be checked by the Fire Protection
Subcontractor and error, due to failure to co-ordinate work with other
Divisions, shall be the responsibility of the Fire Protection Subcontractor
failing to co-ordinate, who shall make the corrections at his own expense.
B.Work shall include furnishing and locating sleeves or inserts required before
the new walls are built, or be responsible for the cost of cutting and
patching required for pipes where sleeves were not installed, or where
incorrectly located. The Fire Protection Subcontractor shall do all drilling
required for the installation of hangers.
C.Patching of all holes after installation of piping or equipment shall be
performed by the General Contractor or appropriate tradesmen.
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D.All piping, cutting, and threading shall be done in a location approved by
the Architect/Engineer.
E.No pipe cutting or threading shall be done in areas where completed
concrete floor slab is to remain as finished or be painted later. Should this
area be necessary, the Fire Protection Subcontractor shall cover the entire
working area with canvas tarpaulins in an approved manner.
3.3 FIRE SAFING
A.Work Included: Provide labor, materials, and equipment necessary to
complete the work including, but not limited to the following:
1.Fire safing at all penetrations through fire barriers.
2.Fire safing at all penetrations through smoke barriers.
3.Extent of fire and smoke barriers as indicated on the Architectural
Drawings.
4.Fire safing at all penetrations through floors, shafts, corridor walls,
stairway walls, mechanical rooms, electrical rooms, vaults, storage
rooms, kitchen, machine rooms, outdoor storage rooms, and
receiving rooms.
B.Safing Insulation
1.Fire safing insulation shall be Thermafiber as manufactured by USG
Interiors, Inc. or Architect-Engineer approved equal, 4" minimum
thickness by the required full length and width,or as indicated on the
Drawings.
2.Provide incidental galvanized steel clip anchors.
C.Seal Compound: At "poke-through" openings, apply "Firecode" seal
compound as manufactured by USG Interiors, Inc., or approved equal, over
Thermafiber fire safing.
D.Preparation
1.At all fire rated assemblies, prepare all penetrations for pipes and
perimeters.
E.Application
1.Install approved fire safing insulation of proper size leaving no voids.
Compress and friction fit fire safing and use attachment clips where
necessary.
2.Seal completely around all openings and over the fire safing
insulation with sealing compound.
3.4 INTERIOR PIPING INSTALLATION
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A.Install sprinkler piping to provide for system drainage in accordance with
NFPA 13.
B.Use approved fittings to make all changes in direction, branch takeoffs from
mains, and reductions in pipe sizes.
C.Install unions in pipes 2" and smaller adjacent to each valve. Unions are not
required on flanged devices or in piping installations using grooved
mechanical couplings.
D.Install flanges or flange adapters on valves, apparatus, and equipment
having 2-1/2 and larger connections.
E.Hangers and Supports: Comply with the requirements of NFPA 13 and NFPA
14. Hanger and support spacing and locations for piping joined with
grooved mechanical couplings shall be in accordance with the grooved
mechanical coupling manufacturer's written instructions for rigid systems.
F.Make connections between underground and above ground piping using an
approved transition piece strapped or fastened to prevent separation.
G.Install sleeve at pipe penetrations in basement and foundation walls. Refer
to Division 15 Section, "Basic Materials and Methods".
H.Install test connections sized and located in accordance with NFPA 13
complete with shutoff valve. Test connections may also serve as drain
pipes.
I.Install pressure gauge on the riser or feed main at or near each test
connection. Provide gauge with a connection not less than 1/4" and having
a soft metal seated globe valve arranged for draining pipe between gauge
and valve. Install gauges to permit removal and where they will not be
subject to freezing.
J.Threaded Joints: Conform to ANSI B1.20.1, tapered pipe threads for field
cut threads. Join pipe, fittings, and valves as follows.
K.Flanged Joints: Align flanged surfaces parallel. Assemble joints by
sequencing bolt tightening to make initial contact of flanges and gaskets as
flat and parallel as possible. Use suitable lubricants on bolt threads.
Tighten bolts gradually and uniformly to appropriate torque specified by the
bolt manufacturer.
L.Mechanical Grooved Joints: Cut or roll grooves on pipe ends dimensionally
compatible with the couplings.
M.End Treatment: After cutting pipe lengths, remove burrs and fins from pipe
ends.
3.5 VALVE INSTALLATIONS
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A.General: Install fire protection specialty valves, fittings, and specialties in
accordance with the manufacturer's written instructions, NFPA 13R and 14,
and the authority having jurisdiction.
B.Gate Valves: Install supervised open gate valves so located to control all
sources of water supply except fire department connections. Where there is
more than one control valve, provide permanently marked identification
signs indicating the portion of the system controlled by each valve.
C.Alarm Check Valves: Install valves in the vertical position in proper direction
of flow including the bypass check valve and retard chamber drain line
connection.
Install valve trim in accordance with the valve manufacturer's appropriate
trim diagram. Test valve for proper operation.
3.6 FINAL CLOSEOUT
A.Identification: Apply signs to control, drain, test, and alarm valves
identifying their purpose and function. Provide lettering size and style
selected by Architect/Engineer from NFPA's suggested styles.
B.Adjustments: Place the system in operation with controls functioning.
Adjust controls and apparatus for proper operation. Test thermometers and
gauges for accuracy over the entire range. Remove and replace items found
defective.
3.7 SERVICES
A.Water Service
1.The general contractor shall be responsible for providing a new 4” sprinkler
service tap at the existing main and extend pipe to the building, including
all site work, fire hydrants, piping, valves, etc. The fire protection
subcontractor shall flush and test this line prior to connection to the
sprinkler system.
END OF SECTION 212000