HomeMy WebLinkAbout211300 FIRE PROTECTION SPRINKLER SYSTEMS.pdfL’Acquis Number: #####
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[Project Name 2]
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SECTION 21 13 00
Fire Protection Sprinkler System
PART 1 � GENERAL
1.01 RELATED SECTIONS
A. Drawings, general provisions of the Contract, including General and Supplementary
Conditions, and Division�1 Specification Sections and Division 20 Specification
Sections, apply to work of this Section.
B. Refer to Section 20 00 10,”Basic Mechanical Requirements” for additional requirements.
C. Related Sections: The following Sections contain requirements that relate to this Section:
1. Section 07 90 00 “Joint Sealers," for materials and methods for sealing pipe
penetrations through basement walls and fire/smoke barriers.
2. Section 10 44 00 “Fire Extinguishers, Cabinets, and Accessories" for fire
extinguishers and extinguisher cabinets.
1.02 GENERAL:
A. The fire protection contract shall include all labor and materials as required for the
complete installation of this classification of the work as hereinafter specified and as
shown by all of the accompanying drawings. The Contractor shall examine all drawings,
including equipment drawings and those which are intended primarily for other
classifications as such items will be considered a part of this contract.
B. The materials and workmanship throughout shall be first class in every detail, to the best
modern practice. All fixtures shall be first quality of their respective kinds and grades,
free from defects, furnished and set up complete in every detail and in accordance with
all codes and regulations governing the work. All piping shall be concealed, unless
otherwise distinctly specified or shown on the drawings.
C. The sprinkler systems shall be zoned on a floor�by�floor basis with zoning on each floor.
Each zone shall be provided with all necessary valves, valve tamper switches, water flow
alarms and drains to make it a separate sprinkler system.
D. Antifreeze compounds are allowed in new sprinkler systems provide only glycerin or
propylene are used. Glycerin can be used up to a maximum of 48 percent by volume and
propylene can be used up to a maximum of 38 percent by volume.
1.03 DOCUMENTS:
A. It is not the intent of the Contract Documents to neglect or violate any codes or governing
agencies by indicating or specifying certain methods, equipment or material.
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B. The purpose for the "Products" and "Execution" portions of this Section, as well as
related information on the drawings, is to assure quality of system, components,
workmanship and aesthetics. These items may be above minimum standards required by
codes and regulations. These items are, however, minimum requirements for this
installation.
C. Flow Test Data: It shall be this Contractor's responsibility to ensure adequacy of flow and
pressure from the City's water distribution system. Cost of test shall be borne by this
Contractor.
1. Hose stream demand shall be added to the sprinkler demand as required by
NFPA Standards.
D. All connections to utilities and their shutdown shall be arranged with the Owner.
Existing system will be shutdown and drained by the Owner.
1.04 SUMMARY:
A. This Section specifies automatic sprinkler systems for buildings and structures. Materials
and equipment specified in this Section include: Pipe, fittings, valves, supports, anchors,
specialties, sprinklers and accessories.
1.05 WORK INCLUDED:
A. Design and install an approved automatic sprinkler system for the building as shown on
the drawings and described herein.
B. The sprinkler system shall be hydraulically calculated, fully supervised and installed
according to NFPA 13 currently enforced edition, "Standard for the Installation of
Sprinkler Systems".
C. Supervision shall include valve tamper switches and water flow indicators which transmit
to the fire alarm panel.
D. Prepare and submit shop drawings and samples. Secure approvals and install a
completely approved, functional and penalty free automatic sprinkler system.
E. Contractor shall assume financial responsibility for compliance of all codes and
regulations of governing standards and agencies.
F. This system shall include all required valves, drains; flow switches, tamper switches, etc.,
and related electrical connections.
G. Installing shields necessary to protect electrical equipment from sprinkler discharge.
H. Preparing shop drawings, "Record Drawings”, maintenance manuals and other submittals
specified.
I. The fire protection system shall include an approved double check valve assembly.
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J. Products furnished but not installed include sprinkler head cabinet with spare sprinkler
heads. Furnish to the Owner's maintenance personnel.
1.06 DEFINITIONS:
A. Pipe sizes used in this Specification are Nominal Pipe Size (NPS).
B. Other definitions for fire protection systems are listed in NFPA Standards 13, 20, 22 and
24, 26, 231 and 231C.
C. Working Plans as used in this Section means those documents (including drawings and
calculations) prepared pursuant to the requirements contained in NFPA 13 for obtaining
approval of the authority having jurisdiction.
1.07 SYSTEM DESCRIPTION:
A. The fire protection system is a standard installation of automatic sprinklers arranged as a
wet pipe system employing automatic sprinklers attached to a piping system containing
water and connected to a water supply main in the street so that water discharges
immediately from sprinklers opened by fire.
B. The Contractor shall provide a hydraulically calculated automatic fire sprinkler system
designed and installed to produce discharge densities of not less than 0.10 gpm/square
foot over the hydraulically most remote 1500 square feet based on the use of 165 degree
F temperature rated heads spaced at a maximum of 225 square feet per head throughout
all light hazard areas
C. The Contractor shall provide a hydraulically calculated automatic fire sprinkler system
designed and installed to produce discharge densities of not less than 0.16 gpm/square
foot over the hydraulically most remote 1500 square feet based on the use of 165 degree
F temperature rated heads spaced at a maximum of 130 square feet per head throughout
all mechanical and electrical equipment rooms.
1.08 SUBMITTALS:
A. Product Data: Submit manufacturer's technical product data and installation instructions
for each type sprinkler head, valve, and piping specialty. Fire protection specialty, fire
department connection specified.
B. Shop Drawings: Submit shop drawings prepared in accordance with NFPA 13 identified
as "Working Plans," including hydraulic calculations where applicable, and which have
been approved by the authority having jurisdiction.
C. Maintenance Data:
1. Submit maintenance data and parts lists for each type sprinkler head, valve,
piping specialty, fire protection specialty, fire department connection specified,
for inclusion in operating and maintenance manual.
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D. Welders' Qualification certificates.
E. Test Reports and Certificates: Submit test reports and certificates including "Contractor's
Material & Test Certificate for Aboveground Piping" and "Contractor's Material & Test
Certificate for Underground Piping" as described in NFPA 13.
1.09 QUALITY ASSURANCE:
A. Installer Qualifications: Installation and alterations of fire protection piping, equipment,
specialties, and accessories, and repair and servicing of equipment shall be performed
only by a qualified Installer. The term qualified means experienced in such work
(experienced shall mean having a minimum of 5 previous projects similar in size and
scope to this project), familiar with all precautions required, and has complied with all the
requirements of the authority having jurisdiction. Upon request, submit evidence of such
qualifications to the Architect or Owner’s representative.
B. Personnel designing and certifying fire protection drawings must be in the full�time direct
employment of the fire protection contractor. Those certifying the documents shall have
National Institute of Certification for Engineering Technicians (NICET) Level 3
qualifications.
C. All fire protection submittal drawings shall be sealed by an engineer registered in the
State of Indiana.
D. Qualifications for Welding Processes and Operators:
1. Comply with the requirements of AWS D10.9, "Specifications for Qualifications
of Welding Procedures and Welders for Piping and Tubing, Level AR�3.
E. Regulatory Requirements: Comply with the requirements of the following codes:
1. NFPA 13 � Standard for the Installation of Sprinkler Systems.
2. NFPA 13A � Recommended Practice for the Inspection, Testing, and
Maintenance of Sprinkler Systems
3. NFPA 24 � Installation of Private Fire Service Mains and Their Appurtenances
4. NFPA 26 � Recommended Practice for the Supervision of Valves Controlling
Water Supplies for Fire Protection
5. NFPA 70 � National Electric Code
6. NFPA 231 � General Storage
7. NFPA 231C � Rack Storage of Materials
8. NFPA 1963 � Screw Threads and Gaskets for Fire Hose Connections.
9. UL and FM Compliance: Fire protection system materials and components shall
be Underwriter's Laboratories listed and labeled, and Factory Mutual Research
Corporation (FMRC) approved for the application anticipated.
1.10 AUTHORITY HAVING JURISDICTION:
A. Public Safety
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1. Fire Prevention and Building Safety Commission Compliance: Install fire
protection systems in accordance with local regulations of Fire Marshal.
2. Screw Thread Connections: Comply with local Fire Department/Marshal
regulations for sizes, threading and arrangement of connections for Fire
Department equipment to standpipe systems.
B. Applicable Codes
1. International Building Code currently enforced edition.
2. International Mechanical Code currently enforced edition.
3. Indiana Building Code (675 IAC 13) currently enforced edition.
4. Indiana Fire Protection Code (675 IAC 22) currently enforced edition.
5. Indiana Mechanical Code (675 IAC 18) currently enforced edition.
6. Indiana Plumbing Code (675 IAC 16) currently enforced edition.
C. Insurance Purposes:
1. Comply with Owner’s Insurance Underwriter’s regulations pertaining to fire
protection systems. Submit working plans and calculations to Owner’s Insurance
Underwriter as required.
1.11 SEQUENCING AND SCHEDULING:
A. This contractor shall meet with all other trades on the project to prepare a plan of
installation and coordinate the installation of his piping and equipment with other
contractors, to avoid conflicts in routing and layout.
B. Sequence rough�in installations with other subcontractors installing other building
components and systems.
C. Coordinate installation of fire alarm devices with Division 26 contractor. All supervisory
devices shall be supplied and installed by this contractor, and connected to the building
fire alarm by Division 26.
PART 2 � PRODUCTS
2.01 QUALIFIED PRODUCTS:
A. All devices, systems, equipment, and materials furnished and installed shall be listed by
Underwriters Laboratories, Inc. (UL) or Factory Mutual (FM) for its intended use. All
products shall be installed in accordance with the requirements and recommendations of
the above.
2.02 MANUFACTURER:
A. Subject to compliance with requirements, provide fire protection system products from
one of the following:
B. Pipe and Fittings:
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1. Allied Tube and Conduit, Division of TYCO.
2. Bullmoose Tube Co.
3. Victaulic
4. Wheatland Tube Co.
C. Gate Valves:
1. NIBCO
2. Kennedy Valve
3. Stockham
4. TYCO
D. Swing Check Valves:
1. Reliable Automatic Sprinkler Co., Inc.
2. NIBCO
3. Kennedy
4. TYCO
5. Stockham
6. Victaulic
E. Grooved Mechanical Couplings:
1. Tyler Gustin�Bacon
2. Victaulic Company of America
3. Gruvlok
4. TYCO
F. Water Flow Indicators:
1. TYCO
2. Reliable Automatic Sprinkler Co., Inc.
3. Viking Corp.
4. Potter Electric Signal
5. Systems Sensor (previously Notifier)
G. Riser Check Valve:
1. Reliable Automatic Sprinkler Co., Inc.
2. Viking Corp.
3. TYCO
H. Test and Drain Valves:
1. AGF Manufacturing Co., Inc.
2. G/J Innovations, Inc.
3. TYCO
4. Victaulic Testmaster
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I. Sprinkler Heads:
1. TYCO
2. Reliable Automatic Sprinkler Co., Inc.
3. Globe
4. Viking Corp.
J. Open Sprinkler Heads/Nozzles
1. TYCO
2. Firematic Sprinkler Devices, Inc.
3. Globe Fire Sprinkler Corp.
4. Reliable Automatic Sprinkler Co., Inc.
5. Viking Corp.
2.03 BASIC PIPES AND PIPE FITTINGS:
A. General: Provide, at the Contractor's option, pipe and pipe fittings complying with NFPA
13, in accordance with one or a combination of the following listings and as a minimum
meet specification ASTM A53 GR.B, A106 GR.B, A135 GR.B, A795, type E, GR.A:
B. PIPE:
1. Black Steel Pipe: Threaded Ends; Schedule 40 for all sizes through 6"; Schedule
30 for 8" and larger; conforming to ANSI B1.20.1.
2. Black Steel Pipe: Cut Groove Ends; Schedule 40 for 2" through 6"; Schedule 30
for 8" and larger.
3. Black Steel Welded Seam and Seamless Pipe: Roll�Groove Ends; Schedule 10
for 2�1/2" to 4"; 0. 134" wall thickness for 5" and 6"; and 0.188" wall thickness
for 8" and 0.250" wall thickness for 10" only.
4. Galvanized Steel Pipe: Threaded Ends; Schedule 40 for all sizes through 6";
Schedule 30 for 8" and larger conforming to ANSI B1.20. 1.
5. Galvanized Steel Pipe: Cut�Groove Ends; Schedule 40 for 2" through 6";
Schedule 30 for 8" and larger.
6. Galvanized Steel Welded Seam and Seamless Pipe: Roll�Groove Ends; Schedule
10 for 2�1/2" to 4"� 0.134" wall thickness for 5" and 6"; and 0.188" wall thickness
for 8" and 0.250" wall thickness for 10” only.
7. Engineered Lightwall Sprinkler Pipe: Mechanical Rolled Groove Only; Black
steel pipe, electric resistance welded seam, ASTM A795, type E, GR.A,
Schedule "Super Flo". Similar to Allied Super Flo pipe by Allied Tube and
Conduit or Dyna�Flow by American Tube and Pipe Co. THREADING IS NOT
ALLOWED.
8. Combination Black/Galvanized Pipe: Mechanical Rolled Groove Only; Black
steel pipe with galvanized exterior, electric resistance welded seam, ASTM A�
135 Schedule 10; similar to Allied XL pipe; XL THREADING IS NOT
ALLOWED.
9. Sprinkler Head Pipe Drops: Schedule 40, black steel threaded both ends.
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C. FITTlNGS:
1. Cast�Iron Threaded Fittings: ANSI B16.4, Class 125, Class 250, standard pattern,
for threaded joints. Threads shall conform to ANSI B1.20. 1.
2. Malleable�Iron Threaded Fittings: ANSI B16.3, Class 150, Class 300, standard
pattern, for threaded joints. Threads shall conform to ANSI B1.20.1.
3. Ductile � Iron Threaded Fittings: ANSI B16.3, Class 150, Class 300, standard
pattern, for threaded joints. Threads shall conform to ANSI B1.20.1.
4. Steel Fittings: UL listed/FM approved ASTM A 106 GR B, ANSI 16.9 or ASTM
A 234, seamless or welded, for welded joints.
5. Grooved Mechanical Fittings: ASTM A 536, Grade 65�45�12 ductile iron;
ASTM A 47 Grade 32510 malleable iron; or ASTM A53, Type F or Types E or
S, Grade B fabricated steel fittings with grooves or shoulders designed to accept
grooved end couplings.
6. Grooved Mechanical Couplings: Consist of UL listed/FM approved ductile or
malleable iron housing, a synthetic rubber gasket of a central cavity pressure�
responsive design; with nuts, bolts, locking pin, locking toggle, or lugs to secure
roll�grooved pipe and fittings. Grooved mechanical couplings including gaskets
used on dry�pipe systems shall be listed for dry�pipe service.
a. Housing: Ductile iron castings (ASTM A 636 Grade 65�45�12).
b. Housing: Malleable iron casting (ASTM A 47 Grade 32510).
c. Rubber Gasket: Ethylene Propylene Rubber (EPDM) as standard, to
ASTM D2000.
d. Bolts = carbon steel track bolt (ASTM A 183 Grade 2).
e. Nuts = carbon steel bars (ASTM A 283 Grade D).
1. Cast�Iron Threaded Flanges: ANSI B16.1, Class 250; raised ground face, bolt
holes spot faced.
2. Cast Bronze Flanges: ANSI B16.24, Class 300; raised ground face, bolt�holes
spot faced.
2.04 JOINING MATERIALS:
A. Welding Materials: Comply, with Section II, Part C, ASME "Boiler and Pressure Vessel"
Code for welding materials appropriate for the wall thickness and chemical analysis of
the pipe being welded.
B. Brazing Filler Metals: AWS A5.8, Classification Bag1 (Silver)
C. Gasket Materials: Thickness, material, and type suitable for fluid or gas to be handled,
and design temperatures and pressures.
2.05 BASIC PIPING SPECIALTIES:
A. General: Provide piping specialties complying with Section 20 01 20, "Piping
Specialties," in accordance with the following listing:
1. Pipe escutcheons
2. Dielectric unions
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3. Drip pans
4. Pipe Sleeves
5. Sleeve seals
6. Fire barrier penetration seals
2.06 BASIC SUPPORTS AND ANCHORS:
A. General : Provide supports and anchors complying with NFPA 13 in accordance with the
following listing:
1. Adjustable steel clevis hangers, adjustable steel band hangers, or adjustable band
hangers, for horizontal piping hangers and supports.
2. Two�bolt riser clamps for vertical piping supports.
3. Steel turnbuckles and malleable iron sockets for hanger rod attachments.
4. Concrete inserts, top beam C�clamps, side beam or channel clamps or center
beam clamps for building attachments. The use of drill�in type, or powder
actuated type expansion anchors, such as Phillips "Red Heads" or Hilti HDI drop�
in anchors in or through composite metal deck and supported slab applications is
not permitted. Prior approval of expansion anchors is required for each proposed
application prior to start of work.
2.07 GENERAL PURPOSE VALVES:
A. Provide UL listed/FM approved 175 psi working pressure valves complying with Section
20 01 00, "Valves", in accordance with the following listing:
1. Wafer Check Valve
2. Swing Check Valve
3. Check Valve
4. Detector Check Valve
5. OS & Y Gate Valve
6. Butterfly Valve
2.08 SPECIAL PURPOSE VALVE:
A. General: Provide UL listed/FM approved 175 psi working pressure valves in accordance
with the following listing. Provide sizes and types which mate and match piping and
equipment connections.
B. Test and Drain Valves: UL listed, FM approved, 300 psig, 2", 1�1/2", 1�1/4", or 1", ball
type bronze body, with chrome plated bronze ball; rod brass stem; glass impregnated
teflon seat; steel handle; spring steel handle lock; steel indicator plate; fused tempered,
tamper resistant sight glass (2); permanently installed tamper resistant orifice; tapped for
1/2" pressure gauge; quarter�turn operation for test, drain and off positions; sized to
comply with NFPA�13; AGF Model #1000.
2.09 BASIC METERS AND GAGES:
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A. General: Provide meters and gages complying with Section 23 05 19, "Meters and
Gages," in accordance with the following listing:
1. Pressure gages, 0�250 psi range.
2.10 AUTOMATIC SPRINKLERS:
A. Sprinkler Heads: Fusible link or glass bulb type of style as indicated or required by the
application. Unless otherwise indicated, provide heads with "Ordinary" temperature
range. Extended coverage sprinklers may be mixed with standard 1/2" orifice sprinklers
provided that the requirements of NFPA 13 article 6�4.4.6 Exception No. 2 are met.
B. Sprinkler Head Finishes: Provide heads with the following finishes:
1. Upright. Pendent and Sidewall Styles: Chrome plated in finish spaces, exposed to
view; rough bronze finish for heads in unfinished spaces and not exposed to
view. Heads shall be wax�coated where installed exposed to acids, chemicals, or
other corrosive fumes.
2. Concealed Style: Rough brass, with painted white cover plate. Friction fit plates
are not acceptable.
3. Flush Style: Bright chrome, with painted white escutcheon plate
4. Recessed Style: Bright chrome, with bright chrome escutcheon plate
5. Intermediate Level Style: Bright chrome
C. Sprinkler Head Cabinet and Wrench: Finished steel baked red enamel cabinet, suitable
for wall mounting, with hinged cover and space for 6 spare sprinkler heads plus sprinkler
head wrench. Provide a separate cabinet for each style sprinkler head on the project.
D. Except as otherwise noted on the drawings, automatic sprinklers shall be of the following
types and finishes:
1. Concealed heads with white covers in all areas with drywall ceilings.
2. Semi�recessed chrome pendent sprinklers in all areas with acoustical tile ceilings.
3. Bronze, upright pendant sprinklers in mechanical and equipment rooms.
4. Chrome sidewall sprinklers in drywall surfaces.
5. In areas of renovation or modification, match existing sprinkler head types and
ratings.
2.11 ALARM DEVICES:
A. General: Types UL listed /F.M. Approved and sizes shall mate and match piping and
equipment connections.
B. Water Flow Indicators: Vane type waterflow detector, rated to 250 psig; designed for
horizontal or vertical installation; have 2�SPDT circuit switches to provide isolated alarm
and auxiliary contacts, 7 ampere 125 volts AC and 0.25 ampere 24 Volts DC; complete
with factory�set, field�adjustable instantly recycling pneumatic retard element to prevent
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false signals, and tamper�proof cover which sends a signal when cover is removed. Equal
to Potter VSR�B.
C. Supervisory Switches: Switches to be as indicated or an approved equal:
1. OS & Y � Potter Electric OSYSU�2.
2. Butterfly Valve � Potter Electric PIVS�B.
D. Supervisory Switches: SPST, normally closed contacts, designed to signal when valve is
in other than full open position.
E. Electric Bell and Wiring to fire alarm panel by E.C.
F. Sprinkler Identification Sign: Provide the following words branded on sign in accordance
with NFPA 13. “SPRINKLER FIRE ALARM � WHEN BELL RINGS CALL FIRE
DEPARTMENT OR POLICE �911”.
PART 3 � EXECUTION
3.01 GENERAL:
A. Contractor shall be required review all project documents and inspect all areas in which
piping is to be installed. Contractor shall determine that all areas are environmentally
appropriate for the type of piping installation which will not result in freezing or
condensation such that the adjacent construction may be damaged. If any areas are not
satisfactory to receive piping, provide a modified system or components which will
prevent potential system failure and/or consult the Architect/Engineer (i.e. plenum spaces
behind commercial dryers, etc.).
B. Neither the Contractor nor the Installer shall install piping in unconditioned areas or
spaces which are deemed inappropriate without protection from damage due to freezing.
C. Provide all valves, drains, and test connections with identification constructed of non�
corrosive materials indicating the following design criteria at each riser:
1. The design area and density requirements of the system.
2. The required flow and pressure.
3. The allowance for hose streams.
3.02 PIPING INSTALLATIONS:
A. Interior Pipe and Fittings:
1. Piping which passes through a non�sprinklered area shall be adequately protected
by fire resistive construction as specified by the Owner and/or code.
2. Cross mains or feed mains which pass through electrical switchgear room(s) shall
be double piped (sleeve) unless the pipe is a branch line serving heads in said
rooms. Sleeve shall be set in such a manner as to avoid joints in the room. If a
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joint is required in the room, it shall be a welded joint. Pipe shall be of Schedule
40, black steel.
3. Piping shall not be installed above electrical equipment including panels,
switchgear, transformers, etc. as mandated by the National Electric Code. All
piping shall be installed at a height so as not to interfere with the operation or
servicing of any mechanical or electrical equipment.
4. Piping shall not pass through electrical transformer rooms.
5. Install sprinkler piping to provide for system drainage in accordance with NFPA
13.
a. Drains shall terminate at an open�site drain, or outside of the building.
Location of drains to building exterior shall be approved by the
Architect.
b. System main drain shall be piped to the exterior of the building unless
noted otherwise.
6. In general, sprinkler riser pipe routing has been shown on plans. Integrate
sprinkler piping with ducts, lights, diffusers and other mechanical work. All
sprinkler head locations shall be integrated with reflected ceiling plans.
7. Locations and Arrangements: Drawings plans, schematics, and diagrams)
indicate the general location and arrangement of piping systems. So far as
practical, install piping as indicated.
8. All sprinkler piping shall be concealed in walls, above ceiling spaces, or soffits in
finished areas. Sprinkler piping or conduit may be exposed in unfinished areas or
where specifically approved by the Engineer.
9. The Contractor may penetrate or remove walls, ceilings, or floors as required for
the installation of this work. All holes made by the Contractor in any wall,
ceiling or floor must be patched; restoring the walls, ceilings or floors to their
original conditions and fire resistance integrity. Refer to architectural drawings
for ratings of building elements.
10. All piping that passes through a wall, ceiling or floor shall be installed with
sleeves in accordance with Section 20 00 50.
11. All exposed piping which passes through a wall; ceiling or floor shall be
provided with chrome escutcheon plates where exposed to view.
12. Deviations from approved "Working Plans" for sprinkler piping require written
approval of the Authority Having Jurisdiction. Written approval shall be on file
with the Architect prior to deviating from the approved "Working Plans.
13. Use approved fittings to make all changes in direction, branch takeoffs from
mains, and reductions in pipe sizes.
B. Hangers and Supports: Comply with Section 20 01 40 but not less than the requirements
of NFPA 13.
C. 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. Provide protection from damage where subject to
earthquake in accordance with NFPA 13.
D. Make connections between underground and above�ground piping using an approved
transition piece strapped or fastened to prevent separation.
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E. Install test connections sized and located in accordance with NFPA 13 complete with
shutoff valve. Test connections may also serve as drain pipes.
F. Install pressure gage on the riser or feed main at or near each test connection. Provide
gage with a connection not less than 1/4 inch and having a soft metal seated globe valve,
arranged for draining pipe between gage and valve. Install gages to permit removal, and
where they will not be subject to freezing.
3.03 PIPE JOINT CONSTRUCTION:
A. Welded Joints: AWS D10.9, Level AR�3.
B. Threaded Joints: Conform to ANSI B1.20.1, tapered pipe threads for field cut threads.
Join pipe, fittings, and valves as follows:
1. Note the internal length of threads in fittings or valve ends, and proximity of
internal seat or wall, to determine how far pipe should be threaded into joint.
2. Align threads at point of assembly.
3. Apply appropriate tape or thread compound to the external pipe threads.
4. Assemble joint to appropriate thread depth. When using a wrench on valves place
the wrench on the valve end into which the pipe is being threaded.
5. Damaged Threads: Do not use pipe with threads which are corroded or damaged.
If a weld opens during cutting or threading operations, that portion of pipe shall
not be used.
C. Flanged Joints: Align flanges 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.
D. Mechanical Grooved Joints: Cut or roll grooves on pipe ends dimensionally compatible
with the couplings.
E. Brazed Joints: Comply with the procedures contained in the AWS "Brazing Manual.
1. WARNING: Some filler metals contain compounds which produce highly toxic
fumes when heated. Avoid breathing fumes. Provide adequate ventilation.
F. End Treatment: After cutting pipe lengths, remove burrs and fins from pipe ends.
3.04 VALVE INSTALLATIONS:
A. General: Install fire protection specialty valves, fittings, and specialties in accordance
with the manufacturer's written instructions, NFPA 13, 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
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controlled by each valve. Refer to Specification Section "Mechanical Identification" for
valve tags and signs.
C. Install check valves in each water supply connection.
D. Test and Drain Valves: Install properly sized and in proper direction of flow, test and
drain valves in locations indicated or otherwise required to comply with NFPA�13 and
the Indiana Building Code.
3.05 IDENTIFICATION:
A. This Contractor shall identify all piping installed by him, exposed or concealed, with a
label consisting of an arrow indicating direction of flow and an abbreviation of the
service.
1. Piping shall be labeled close to valves, at changes in direction, at branches, at
access panels, where pipes pass through the floor before going through the floor),
and at entry point into rooms, however, spacing of labels shall not exceed twenty
feet.
2. Labels shall be in contrasting color, such as black or white placed in a
conspicuous location subject to approval by the Architect.
3. The label shall consist of an arrow, approximately six inches in length with the
width to be determined by letter height and an abbreviation of the service ("FL"
for Fire line).
4. The following table of letter sizes shall apply.
Pipe & covering O.D Letter Size
Under 1" Diameter 1/2"
1" to 3" Diameter 1"
Over 3" Diameter 2"
B. All exposed fire protection piping shall be painted. Except for mechanical, general
storage and utility areas, paint shall match interior finish or as specified by Owner.
Mechanical, general storage and utility shall be painted red equal to Glidden #4520 or
Rustoleum #964.
3.06 SPRINKLER HEAD INSTALLATIONS:
A. Sprinkler heads shall be installed per manufacturer's recommendations.
B. Sprinkler heads shall he located in the center of the tile in areas with 2 x 2 feet ceiling
tiles.
C. Sprinkler heads shall be located in the center of the tile in areas with 2 x 4 feet ceiling
tiles, except where extra heads are required. They may be located on either centerline of
the tile to within six inches of the grid line. Heads may also be located at the six inch
dimension from the grid line at the corner of the tile.
D. Sprinkler heads which are less than 84" above finished floor or are located as to be
subject to mechanical injury shall be protected with approved guards.
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E. Use proper tools to prevent damage during installations.
3.07 FIELD QUALITY CONTROL:
A. Sprinkler Piping Flushing: 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 NFPA 13. Continue flushing until water is clear, and check to ensure that
debris has not clogged sprinklers.
B. Hydrostatic Testing: After flushing system, test fire sprinkler piping hydrostatically, for
period of two 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 or zone being tested.
C. Repair or replace piping system as required to eliminate leakage in accordance with
NFPA standards for "little or no leakage" and retest as specified to demonstrate
compliance.
D. Contractor’s Material & Test Certificates shall be provided to the Architect/Engineer and
Owner following successful completion of all testing.
3.08 ADJUSTING AND CLEANING:
A. Cleaning and Inspections: Clean and inspect fire protection system in accordance with
requirements of NFPA 13."
3.09 EXTRA STOCK:
A. Sprinkler Head Wrenches: Furnish to Owner, 2 sprinkler head wrenches for each type of
sprinkler head installed.
B. Sprinkler Heads and Cabinets: Furnish six, extra sprinkler heads of each style included in
the project. Furnish each style with its' own sprinkler head cabinet and special wrenches
as specified in this Section.
3.10 GUARANTEE:
A. The Contractor shall guarantee all materials and workmanship for a period of one (1) year
beginning with the date of final acceptance by the Owner. The Contractor shall be
responsible during the design, installation, testing and guarantee periods for any damage
caused by him or his subcontractors, or by defects in his or his subcontractors’ work,
materials or equipment.
B. The Contractor shall provide emergency repair service for the system, within 24 hours of
a request for such service by the Owner during the guarantee period. This service shall
be provided on a 24 hours per day, seven days per week basis.
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END OF SECTION