22 - Atch D - Dispatch and Operations Bldg Phase 1 Fire Sprinkler Systems Upgrade - FP.pdf

Western Area Power Administration

PHOENIX O & M CENTER

PHASE I FIRE SPRINKLER SYSTEMS UPGRADE

615 S. 43rd AVE. PHOENIX, ARIZONA

DISPATCH AND OPERATIONS BLDG

PROJECT SPECIFICATIONS

FOR

Table of Contents Page(s)

Section 21 13 13 1-5

WET-PIPE SPRINKLER SYSTEMS

1 Part 1 – General

1.1 Intent of Specifications

1.2 Summary

1.3 System Descriptions

1.4 Performance Requirements

1.5 Submittal

1.6 Quality Assurance

1.7 Coordination

1.8 Extra Materials

2 Part 2 – Products

2.1 Sprinklers

2.2 General Requirements

2.3 Sprinkler Finishes

2.4 Sprinkler Escutcheons

2.5 Sprinkler Guards

3 Execution

3.1 Sprinkler Installation

3.2 Field Quality Control

3.3 Sprinkler Schedule

Table of Contents Page(s)

Section 21 13 19 6-19

PREACTION SPRINKLER SYSTEMS

1 Part 1 – General

1.1 Summary

1.2 System Descriptions

1.3 Performance Requirements

1.4 Submittals

1.5 Quality Assurance

2 Part 2 – Products

2.1 Detection and Release System

2.2 Electronic Initiation

2.3 Detection Devices

2.4 Piping Materials

2.5 Listed Fire-Protection Valves

2.6 Trim and Drain Valves

2.7 Specialty Valves

2.8 Sprinkler Specialty Pipe Fittings

2.9 Sprinklers

2.10 Alarm Devices

2.11 Pressure Gauges

2.12 Specialty Valves

2.13 Sprinkler Specialty Pipe Fittings

3 Part 3 – Execution

3.1 Water Supply Connections

3.2 Piping Installation

3.3 Joint Construction

3.4 Valve and Specialties Installation

3.5 Sprinkler Installation

3.6 Identification

3.7 Field Quality Control

3.8 Cleaning Sprinkler Schedule

Western Area Power Administration – Desert SW September, 2020 21 13 13 - 1 Wet-Pipe Sprinkler Systems

SECTION 21 13 13

WET-PIPE SPRINKLER SYSTEMS

PART 1 - GENERAL

1.1 INTENT OF SPECIFICATIONS

A. This specification details the requirements for removal & replacement of all sprinkler heads. The system shall maintain a vacuum at all time when any work is performed on the system piping.

1.2 SUMMARY

A. Section Includes:

1. Fire Sprinkler Replacement.

B. Related Sections:

1. Division 28 Section “Digital, Addressable Fire-Alarm System” for alarm devices not specified in this Section.

1.3 SYSTEM DESCRIPTIONS

A. Wet-Pipe Sprinkler System: Automatic sprinklers are attached to piping containing water and is connected to water supply. Water discharges immediately from sprinklers when they are opened. Sprinklers open when heat destroys frangible device.

1.4 PERFORMANCE REQUIREMENTS

A. Standard-Pressure Piping System Component: Listed for 175-psig (1200-kPa) minimum working pressure.

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1.5 SUBMITTALS

A. Product Data: For each type of product indicated, including materials, components, and accessories.

B. Shop Drawings: For wet-pipe sprinkler systems. Include plans, elevations, sections, details, and attachments to other work. Shop drawings shall not deviate substantively from the engineer’s working drawings without prior approval by the engineer. Shop drawings may deviate from working drawings for coordination purposes only.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Installer's responsibilities include preparing shop drawings and related submittals, fabricating, and installing sprinkler systems.

B. Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

D. NFPA Standards: Sprinkler system equipment, specialties, accessories, installation, and testing shall comply with the current editions, and as adopted by the Village of Downers Grove, of the following standards. Where requirements differ between editions, the requirement that provides for a greater level of safety shall apply.

1. NFPA 13, "Standard for the Installation of Sprinkler Systems."

E. Interruption of Existing Sprinkler Service: Do not interrupt sprinkler service to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary sprinkler service according to requirements indicated:

1. Notify Owner no fewer than two days in advance of proposed interruption of sprinkler service.

2. Do not proceed with interruption of sprinkler service without Owner's written permission.

3. The system shall be under a vacuum at all time when any work is performed on the system piping.

1.7 COORDINATION

A. Coordinate layout and installation of sprinklers with other construction that penetrates ceilings, including light fixtures, HVAC equipment, and partition assemblies.

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1.8 EXTRA MATERIALS

A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Sprinkler Cabinets: Finished, wall-mounted, steel cabinet with hinged cover, and with space for minimum of six spare sprinklers plus sprinkler wrench. Sprinkler cabinets shall be installed next to riser.

2. Include a minimum of six sprinklers of each type, size, and temperature rating with one manufacturer’s specified wrench for each type of sprinkler. Where fewer than six of a particular sprinkler type are installed, include an equal number of sprinklers to that number installed. Pipe plugs of the appropriate size may be substituted for spare dry-type sprinklers, if any are installed.

3. A list shall be provided and posted next to the sprinkler head cabinet that identifies each type of sprinkler installed by SIN, temperature rating, orientation, number of spares to be kept on hand and model of manufacturer specified wrench.

PART 2 - PRODUCTS

2.1 SPRINKLERS

A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Reliable Automatic Sprinkler Co., Inc.

2. Tyco Fire & Building Products LP.

3. Victaulic Company.

4. Viking Corporation.

B. General Requirements:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Pressure Rating for Automatic Sprinklers: 175 psig (1200 kPa) minimum.

3. Characteristics: Nominal 1/2-inch (12.7-mm) orifice with Discharge Coefficient K of 5.6, and for "Ordinary" temperature classification rating unless otherwise indicated or required by application.

C. Sprinkler Finishes:

1. Chrome plated.

2. Bronze.

3. Painted.

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D. Sprinkler Escutcheons: Materials, types, and finishes for the following sprinkler mounting applications. Escutcheons for concealed, flush, and recessed-type sprinklers are specified with sprinklers.

1. Ceiling Mounting: Steel, two piece, flat, with 1/2-inch minimum vertical adjustment.

2. Sidewall Mounting: Steel, two piece, flat, with 1/2-inch minimum horizontal adjustment.

E. Sprinkler Guards:

1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. Reliable Automatic Sprinkler Co., Inc.

b. Tyco Fire & Building Products LP.

c. Victaulic Company.

d. Viking Corporation.

PART 3 - EXECUTION

3.1 SPRINKLER INSTALLATION

A. Install sprinklers in suspended ceilings shall be replaced in existing locations.

B. Install dry-type sprinklers with water supply from heated space. Do not install pendent or sidewall, wet-type sprinklers in areas subject to freezing.

3.2 FIELD QUALITY CONTROL

A. Perform tests and inspections.

B. Remove and inspect 20% of drop piping for corrosion maintain a record of all inspection results.

C. Remove all flushing connections and inspect piping for corrosion maintain a record of all inspection results.

D. Inform the owner of any and all signs of corrosion.

E. Tests and Inspections:

1. Leak Test: After installation, charge systems and test for leaks. Repair leaks and retest until no leaks exist.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

3. Flush, test, and inspect sprinkler systems according to NFPA 13, "Systems Acceptance" Chapter.

4. Energize circuits to electrical equipment and devices.

5. Coordinate with fire-alarm tests. Operate as required.

6. Coordinate with fire-pump tests. Operate as required.

7. Verify that equipment hose threads are same as local fire-department equipment.

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F. Sprinkler piping system will be considered defective if it does not pass tests and inspections.

G. Prepare test and inspection reports.

3.3 SPRINKLER SCHEDULE

A. Use sprinkler types in subparagraphs below for the following applications:

1. Rooms without Ceilings: Upright sprinklers.

2. Rooms with Suspended Ceilings: match existing configuration

3. Wall Mounting: Sidewall sprinklers.

4. Spaces Subject to Freezing: Pendent, dry sprinklers; and sidewall, dry sprinklers, where indicated.

5. Special Applications: Extended-coverage, and quick-response sprinklers, where indicated.

B. Provide sprinkler types in subparagraphs below with finishes indicated.

1. Concealed Sprinklers: Rough brass, with factory-painted cover plate to match existing.

2. Recessed Sprinklers: match existing configuration.

3. Pendent and Sidewall Sprinklers: match existing configuration.

END OF SECTION

21 13 19 - 1 Preaction Sprinkler Systems

SECTION 21 13 19

PREACTION SPRINKLER SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Pipes, fittings, and specialties.

2. Fire-protection valves.

3. Sprinkler specialty pipe fittings.

4. Sprinklers.

5. Pressure gages.

6. Connection devices for power and integration into building's fire-alarm system.

1.2 SYSTEM DESCRIPTIONS

A. Performance Based Specifications: This section describes requirements necessary to install a Double Interlock Preaction Sprinkler System. The licensed Fire Sprinkler Contractor is responsible to install the complete fire sprinkler and detection system per NFPA Requirements, per the requirements of the Authority Having Jurisdiction and per this specification.

B. Double Interlock Preaction Sprinkler System: Requires two distinct events to occur prior to allowing water into the piping system. Automatic sprinklers are attached to piping containing compressed air. Detection of smoke provides first of two required initiating signals. Opening of one or more sprinklers releases the compressed air from the system and provides second of two required initiating signals. Preaction system control panel then actuates solenoid valve, which allows preaction valve to open, water flows into piping and discharges from all open sprinklers.

1.3 PERFORMANCE REQUIREMENTS

A. Install a complete Double Interlock Preaction Sprinkler System with associated detection as required by national and local codes that meets the requirements of the Authority Having Jurisdiction. Systems shall be full and complete with all components specified for each area protected. The system shall be in accordance with the current edition of the following NFPA Standards:

NFPA 13 entitled "Standard for the Installation of Sprinkler Systems."

NFPA 70 entitled “National Electrical Code.”

NFPA 72 entitled “National Fire Alarm Code.”

Refer to other NFPA standards that are referenced and applicable.

21 13 19 - 2 Preaction Sprinkler Systems

B. Provide field verification of all dimensions. No extra charges or compensation will be allowed for any differences between actual dimensions and measurements indicated.

C. Securing and payment for all necessary permits and inspections.

D. Install the Preaction System in accordance with approved working drawings per the Authority Having Jurisdiction.

E. Minimum Density for Preaction System Design:

a. Light-Hazard Occupancy: 0.10 gpm over 1500-sq. ft. area.

b. Ordinary-Hazard Occupancy: 0.20 gpm over entire area.

c. Extra-Hazard Occupancy: 0.40 gpm over entire area.

F. Seismic Performance: Sprinkler piping shall withstand the effects of earthquake motions determined according to NFPA 13 and manufactures requirements.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated. Data information is to include pipe material and manufacturer and model number of all components intended for use on this project.

B. Shop Drawings: For Preaction System. Include plans, elevations, sections, details, and attachments to other work. Shop drawings shall not deviate substantively from the engineer’s working drawings without prior approval by the engineer.

Shop drawings may deviate from working drawings for coordination purposes only.

1. Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

2. Electronic Initiation: fire suppression devices shall initiate the system.

C. Coordination: Sprinkler system shop drawings shall be coordinated with other trades to avoid conflict, including the following trades:

1. Domestic water, compressed air, hydronic and other piping.

2. Electrical power, lighting and communication conduit.

3. HVAC ductwork.

4. Items penetrating finished ceiling, including the following:

a. Lighting fixtures.

b. Air outlets and inlets.

D. Hydraulic Calculations: Where coordination requires deviations in piping that impact approved working plans and hydraulic calculations, submittals shall include revised hydraulic calculations.

21 13 19 - 3 Preaction Sprinkler Systems

E. Qualification Data: For qualified Installer. Installing contractor shall hold a current license as a sprinkler contractor by State of Illinois and shall employ a NICET-certified Level III layout technician to prepare shop drawings and submittals.

F. Field quality-control reports.

G. Operation and maintenance data.

H. Welding certificates. For shop-welded piping.

I. Field Test Reports and Certificates: Indicate and interpret test results for compliance with performance requirements and as described in NFPA 13. Include "Contractor's Material and Test Certificate for Aboveground Piping."

J. Field quality-control reports.

K. Operation and maintenance data.

1.5 QUALITY ASSURANCE

A. Installer Qualifications:

1. Installer's responsibilities include preparing shop drawings and related submittals, fabricating, and installing Preaction sprinkler system and associated detection.

B. Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

D. FM Global Compliance: Provide components that are FM Approved and that are listed in FM Global's "Approval Guide."

E. UL Compliance: Provide equipment listed in UL's "Fire Protection Equipment Directory."

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PART 2 - PRODUCTS

2.1 DETECTION AND RELEASE SYSTEM

A. System Operating Sequence:

1. Actuating Smoke Detector: Visual indication on preaction system control panel.

Send alarm signal to building fire alarm control panel, which energizes audible and visual notification devices. Provide one of two initiating signals for release of preaction valve.

2. Actuating Air Pressure Supervisory Switch: Visual indication on preaction system control panel. Send supervisory signal to building fire alarm control panel, and provide one of two initiating signals for release of preaction valve.

B. Actuating manual station at preaction system riser immediately releases preaction valve.

2.2 Electronic initiation:

A. Fire suppression devices shall initiate the system.

2.3 DETECTION DEVICES

A. General Requirements for Detection Devices:

1. Comply with NFPA 2001, NFPA 72, and UL 268.

2. 24-V dc, nominal.

B. Ionization Detectors: Dual-chamber type, having sampling and referencing chambers, with smoke-sensing element.

C. Photoelectric Detectors: LED light source and silicon photodiode receiving element.

D. Signals to the Central Fire Alarm Control Panel: Any type of local system trouble is reported to the central fire alarm control panel as a composite "trouble" signal. Alarms on each system zone are individually reported to the central fire alarm control panel as separately identified zones.

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2.4 PIPING MATERIALS

A. Interior Piping: Piping 2" and smaller shall be a minimum of schedule 40 or ‘Dyna- Thread’ steel pipe. All piping shall conform to NFPA 13, Table 2-3.1. All piping shall be treated to prevent microbial induced corrosion.

2.5 LISTED FIRE-PROTECTION VALVES

A. General Requirements:

1. Valves shall be UL listed or FM approved.

2. Minimum Pressure Rating: 175 psig (1200 kPa).

B. Indicating-Type Butterfly Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Anvil International, Inc.

b. Fivalco Inc.

c. Global Safety Products, Inc.

d. Kennedy Valve; a division of McWane, Inc.

e. Milwaukee Valve Company.

f. NIBCO INC.

g. Tyco Fire & Building Products LP.

h. Victaulic Company.

2. Standard: UL 1091.

3. Pressure Rating: 175 psig (1200 kPa) minimum.

4. Valves NPS 2 (DN 50) and Smaller:

a. Valve Type: Ball or butterfly.

b. Body Material: Bronze.

c. End Connections: Threaded.

5. Valves NPS 2-1/2 (DN 65) and Larger:

a. Valve Type: Butterfly.

b. Body Material: Cast or ductile iron.

c. End Connections: Flanged, grooved, or wafer.

6. Valve Operation: Integral electrical, 115-V ac, prewired, two-circuit, supervisory switch indicating device.

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2.6 TRIM AND DRAIN VALVES

A. General Requirements:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Minimum Pressure Rating: 175 psig (1200 kPa).

B. Ball Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Anvil International, Inc.

b. Conbraco Industries, Inc.; Apollo Valves.

c. Milwaukee Valve Company.

d. NIBCO INC.

e. Tyco Fire & Building Products LP.

f. Victaulic Company.

g. Watts Water Technologies, Inc.

2.7 SPECIALTY VALVES

A. General Requirements:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Minimum Pressure Rating: 175 psig (1200 kPa).

3. Body Material: Cast or ductile iron.

4. Size: Same as connected piping.

5. End Connections: Flanged or grooved.

B. Preaction Valve:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Reliable Automatic Sprinkler Co., Inc.

b. Tyco Fire & Building Products LP.

c. Victaulic Company.

d. Viking Corporation.

2. Standard: UL 193.

3. Design: For vertical installation.

4. Include complete trim sets for bypass, drain, electrical sprinkler alarm switch, pressure gages, and fill-line attachment with strainer.

5. Drip Cup Assembly: Pipe drain without valves and separate from main drain piping if retarding chamber is required else pipe drain with check valve to main drain piping.

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C. Automatic, Ball Drip, Drain Valves:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AFAC Inc.

b. Reliable Automatic Sprinkler Co., Inc.

c. Tyco Fire & Building Products LP.

2. Standard: UL 1726.

3. Pressure Rating: 175 psig (1200 kPa) minimum.

4. Type: Automatic draining, ball check.

5. Size: NPS 3/4 (DN 20).

6. End Connections: Threaded.

2.8 SPRINKLER SPECIALTY PIPE FITTINGS

A. Sprinkler Inspector's Test Fittings:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AGF Manufacturing Inc.

b. Triple R Specialty.

c. Tyco Fire & Building Products LP.

d. Victaulic Company.

e. Viking Corporation.

2. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

3. Pressure Rating: 175 psig (1200 kPa) minimum.

4. Body Material: Cast- or ductile-iron housing with sight glass.

5. Size: Same as connected piping.

6. Inlet and Outlet: Threaded.

2.9 SPRINKLERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Reliable Automatic Sprinkler Co., Inc.

2. Tyco Fire & Building Products LP.

3. Victaulic Company.

4. Viking Corporation.

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B. General Requirements:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Pressure Rating for Residential Sprinklers: 175 psig (1200 kPa) maximum.

3. Pressure Rating for Automatic Sprinklers: 175 psig (1200 kPa) minimum.

4. Pressure Rating for High-Pressure Automatic Sprinklers: 250 psig (1725 kPa) minimum

C. Sprinkler Finishes:

1. Chrome plated.

2. Bronze.

3. Painted.

D. Sprinkler Escutcheons: Materials, types, and finishes for the following sprinkler mounting applications. Escutcheons for concealed, flush, and recessed-type sprinklers are specified with sprinklers.

1. Ceiling Mounting: Chrome-plated steel, one piece, flat.

2. Sidewall Mounting: Chrome-plated steel, one piece, flat.

E. Sprinkler Guards:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Reliable Automatic Sprinkler Co., Inc.

b. Tyco Fire & Building Products LP.

c. Victaulic Company.

d. Viking Corporation.

2. Standard: UL 199.

3. Type: Wire cage with fastening device for attaching to sprinkler.

2.10 ALARM DEVICES

A. Alarm-device types shall match piping and equipment connections.

B. Water-Flow Indicators:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. ADT Security Services, Inc.

b. McDonnell & Miller; ITT Industries.

c. Potter Electric Signal Company.

d. System Sensor; a Honeywell company.

e. Viking Corporation.

f. Watts Industries (Canada) Inc.

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2. Standard: UL 346.

3. Water-Flow Detector: Electrically supervised.

4. Components: Two single-pole, double-throw circuit switches for isolated alarm and auxiliary contacts, 7 A, 125-V ac and 0.25 A, 24-V dc;

complete with factory-set, field-adjustable retard element to prevent false signals and tamperproof cover that sends signal if removed.

5. Type: Paddle operated.

6. Pressure Rating: 250 psig (1725 kPa).

7. Design Installation: Horizontal or vertical.

C. Valve Supervisory Switches:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Fire-Lite Alarms, Inc.; a Honeywell company.

b. Kennedy Valve; a division of McWane, Inc.

c. Potter Electric Signal Company.

d. System Sensor; a Honeywell company.

2. Standard: UL 346.

3. Type: Electrically supervised.

4. Components: Single-pole, double-throw switch with normally closed contacts.

5. Design: Signals that controlled valve is in other than fully open position.

2.11 PRESSURE GAGES

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. AMETEK; U.S. Gauge Division.

2. Ashcroft, Inc.

3. WIKA Instrument Corporation.

B. Standard: UL 393.

C. Dial Size: 3-1/2- to 4-1/2-inch (90- to 115-mm) diameter.

D. Pressure Gage Range: 0 to 250 psig (0 to 1725 kPa) minimum.

E. Water System Piping Gage: Include "WATER" or "AIR/WATER" label on dial face.

F. Air System Piping Gage: Include retard feature and "AIR" or "AIR/WATER" label on dial face.

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2.12 SPECIALTY VALVES

A. General Requirements:

1. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

2. Minimum Pressure Rating: 175 psig (1200 kPa).

3. Body Material: Cast or ductile iron.

4. Size: Same as connected piping.

5. End Connections: Flanged or grooved.

2.13 SPRINKLER SPECIALTY PIPE FITTINGS

A. General Requirements for Pre-Action System Fittings: UL listed for dry-pipe service.

B. Branch Outlet Fittings:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Anvil International, Inc.

b. National Fittings, Inc.

c. Tyco Fire & Building Products LP.

d. Victaulic Company.

2. Standard: UL 213.

3. Pressure Rating: 175 psig (1200 kPa) minimum.

4. Body Material: Ductile-iron housing with EPDM seals and bolts and nuts.

5. Type: Mechanical-T and -cross fittings.

6. Configurations: Snap-on and strapless, ductile-iron housing with branch outlets.

7. Size: Of dimension to fit onto sprinkler main and with outlet connections as required to match connected branch piping.

8. Branch Outlets: Grooved, plain-end pipe, or threaded.

C. Sprinkler Inspector's Test Fittings:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AGF Manufacturing Inc.

b. Triple R Specialty.

c. Tyco Fire & Building Products LP.

d. Victaulic Company.

e. Viking Corporation.

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2. Standard: UL's "Fire Protection Equipment Directory" listing or "Approval Guide," published by FM Global, listing.

3. Pressure Rating: 175 psig (1200 kPa) minimum.

4. Body Material: Cast- or ductile-iron housing with sight glass.

5. Size: Same as connected piping.

6. Inlet and Outlet: Threaded.

PART 3 - EXECUTION

3.1 WATER-SUPPLY CONNECTIONS

A. Prior to connecting sprinkler piping to interior water distribution piping, verify flushing of piping has been completed.

B. Connect Preaction System to fire sprinkler header piping.

C. Install shutoff valve, check valve, pressure gage, and drain at connection to water supply.

3.2 PIPING INSTALLATION

A. Locations and Arrangements: Drawing plans, schematics, and diagrams indicate general location and arrangement of piping. Install piping as indicated, as far as practical.

1. Deviations from approved working plans for piping require written approval from authorities having jurisdiction. File written approval with Architect before deviating from approved working plans.

B. Piping Standard: Comply with requirements in NFPA 13 for installation of sprinkler piping.

C. Install seismic restraints on piping where required. Comply with requirements in NFPA 13 for seismic-restraint device materials and installation.

D. Use listed fittings to make changes in direction, branch takeoffs from mains, and reductions in pipe sizes.

E. Install groove couplings adjacent to each valve in pipes NPS 2 (DN 50) and smaller.

F. Install couplings for grooved-end piping on valves, apparatus, and equipment having NPS 2-1/2 (DN 65) and larger end connections.

G. Install "Inspector's Test Connections" in Pre-Action System piping, complete with shutoff valve, and sized and located according to NFPA 13.

H. Install sprinkler piping with drains for complete system drainage.

I. Install alarm devices in piping systems.

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J. Install hangers and supports for sprinkler system piping according to NFPA 13.

Comply with requirements in NFPA 13 for hanger materials.

K. Install pressure gages on riser or feed main, at each sprinkler test connection, and at top of each standpipe. Include pressure gages with connection not less than NPS 1/4 (DN 8) and with soft metal seated globe valve, arranged for draining pipe between gage and valve. Install gages to permit removal, and install where they will not be subject to freezing.

L. Drain Pre-Action System piping.

M. Pressurize and check Preaction System piping and air-pressure maintenance devices.

N. Install sleeves for piping penetrations of walls, ceilings, and floors.

O. Install sleeve seals for piping penetrations of concrete walls and slabs.

P. Install escutcheons for piping penetrations of walls, ceilings, and floors.

Q. Install flexible couplings within 24” of building expansion joints.

3.3 JOINT CONSTRUCTION

A. Install couplings, nipples, and transition and special fittings that have finish and pressure ratings same as or higher than system's pressure rating for aboveground applications unless otherwise indicated.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

C. Remove scale, slag, dirt, and debris from inside and outside of pipes, tubes, and fittings before assembly.

D. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1.

Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged.

E. Steel-Piping, Cut-Grooved Joints: Cut square-edge groove in end of pipe according to AWWA C606. Assemble coupling with housing, gasket, lubricant, and bolts.

Join steel pipe and grooved-end fittings according to AWWA C606 for steel-pipe joints.

F. Dissimilar-Material Piping Joints: Make joints using adapters compatible with materials of both piping systems.

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3.4 VALVE AND SPECIALTIES INSTALLATION

A. Install listed fire-protection valves, trim and drain valves, specialty valves and trim, controls, and specialties according to NFPA 13 and authorities having jurisdiction.

B. Install listed fire-protection shutoff valves supervised open, located to control sources of water supply. Install permanent identification signs indicating portion of system controlled by each valve.

C. Specialty Valves:

1. General Requirements: Install in vertical position for proper direction of flow, in main supply to system.

2. Preaction Valves: Install trim sets for air supply, drain, priming level, alarm connections, ball drip valves, pressure gages, priming chamber attachment, and fill-line attachment.

a. Install air compressor and compressed-air supply piping.

3.5 SPRINKLER INSTALLATION

A. Install sprinklers in upright position according to requirements in NFPA 13.

3.6 IDENTIFICATION

A. Install labeling and pipe markers on equipment and piping according to requirements in NFPA 13 and owner.

3.7 FIELD QUALITY CONTROL

A. Perform tests and inspections.

B. Tests and Inspections:

1. Leak Test: After installation, charge systems and test for leaks. Repair leaks and retest until no leaks exist.

2. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

3. Flush, test, and inspect sprinkler systems according to NFPA 13, "Systems Acceptance" Chapter, including full trip tests by operation of manual station at system riser, and by simulation of smoke detector operation with loss of supervisory air.

4. Energize circuits to electrical equipment and devices.

5. Start and run air compressors.

C. Pre-Action System will be considered defective if it does not pass tests and inspections.

D. Prepare test and inspection reports.

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3.8 CLEANING

A. Clean dirt and debris from sprinklers.

B. Remove and replace sprinklers with paint other than factory finish.

3.9 SPRINKLER SCHEDULE

A. Use sprinkler types in subparagraphs below for the following applications:

1. Rooms without Ceilings and Rooms with Exposed Piping: Upright sprinklers.

B. Provide sprinkler types in subparagraphs below with finishes indicated.

1. Upright Sprinklers: Chrome plated in finished spaces exposed to view;

rough bronze in unfinished spaces not exposed to view.

END OF SECTION

Edition ---1009