Solicitation Attach 4 - 211313 Sprinkler Spec 3-15-24.pdf

William M Steger Federal Building & United States Courthouse Tyler Texas Kahua #18492

WET-PIPE SPRINKLER SYSTEMS 211313 - 1

SECTION 211313 - WET-PIPE SPRINKLER SYSTEMS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Pipes, fittings, and specialties.

2. Fire-protection valves.

3. Fire-department connections.

4. Sprinklers.

5. Alarm devices.

6. Pressure gages.

7. Other fire sprinkler related appurtenances

B. Related Sections:

1. Division 1 Section “Submittal Procedures”

2. Division 21, Section “Facility Fire Suppression Water Service Piping”

3. Division 21, Section, Electric Drive Centrifugal Fire Pump and Fire Pump Controller”

1.3 APPLICABLE CODES & STANDARDS

1. NFPA 13 current edition

2. NFPA 14 Current Edition

NFPA 24 current Edition

3. 2021 PBS P-100

NFPA 72 current edition

4. Underwriter’s Laboratories (UL)

a. “Fire Protection Equipment Directory"

5. Factory Mutual Global (FM)

a. Approval Guide

1.4 DESCRIPTION OF WORK

1. Design and Installation of a new fire sprinkler system and class I standpipe in accordance with these specifications, contract drawings and project scope of work.

2. Contractor is to remove existing ceiling tiles as necessary for installation and is responsible for the replacement of tile damaged due to installation in all work areas.

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A. Compliance: The entire wet-pipe automatic sprinkler system shall be designed in accordance with these specifications and design drawings. Any reference to "authority having jurisdiction" shall be interpreted to mean the GSA Regional Fire Protection Engineer. All material and equipment used shall be listed or approved by UL, FM or another nationally recognized testing agency approved by the GSA Regional Fire Protection Engineer, for their intended use and service.

1.5 PERFORMANCE REQUIREMENTS

A. General: Design automatic sprinkler systems in accordance with all required and advisory provisions of NFPA 13, including all the Annexes, except where modified herein, by hydraulic calculations with uniform water distribution over the design area. Design and provide each system to give full consideration to blind spaces, piping, electrical equipment, ducts and other construction and equipment in accordance with detailed working drawings to be submitted for approval.

B. Mechanical Rooms, Electrical closets, telephone equipment rooms, custodial closets and storage rooms shall be designed to Ordinary Hazard Group II. All other areas are to be designed for light hazard.

1. Design Parameters – See dwgs for additional detail

Light Hazard A. System type: WET CONTROL MODE

Sprinkler Type Quick Response Sprinkler Flow 22.5 gpm minimum Sprinkler K-factor 5.6 Design Density 0.10gpm/sq-ft Design Area 1,500 sq-ft Hose Demand 100gpm

Ordinary hazard Group I B. System type: WET CONTROL MODE

Sprinkler Type Quick Response Sprinkler Flow 26.0gpm minimum Sprinkler K-factor 5.6 Design Density 0.15gpm/sq-ft Design Area 1,500 sq-ft Hose Demand 250gpm

C. Water Supply Information

1. Available fire-hydrant flow test records indicate the following conditions:

a. Obtain current water flow information from the City of Tyler Water Department.

Information should include:

Static Pressure Residual Pressure Flow

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Information should identify location of test hydrants and City Main sizes feed the hydrants.

D. Sprinkler System Layout: Must be Approved by GSA Regional Fire Protection Engineer.

Contract drawing, schematics, and diagrams indicate general location and arrangement of system.

Pipe configuration shown is conceptual. Pipe configuration, (tree, loop, gridded systems) shall be determined by the contractor in order to make the system fit within the building and keep with the design intent. It is the responsibility of the contractor to fully coordinate the installation within the facility so that the system fits within the facility and complies with NFPA 13 installation standards. It is the contractors responsibility to create shop drawings showing all installation details including drains and flushing connections.

E. Other Design Criteria:

1. Margin of Safety for Available Water Flow and Pressure: 10 percent, including losses through water-service piping, valves, and backflow preventers.

2. Maximum protection area per sprinkler shall be per NFPA 13 unless noted otherwise.

3. Velocities in all piping shall not exceed 21 ft/sec (6.1 m/sec).

4. Interior pipe coatings are specifically prohibited where not listed for fire protection use.

5. Total Combined Hose-Stream Demand Requirement shall be according to NFPA 13.

1.6 SUBMITTALS

A. Submittals to be in accordance with Division 1, Submittal Procedures unless otherwise indicated by this section.

B. Product Data: Submit pdf file of submittals to the GSA Fire Protection Engineer for each type of product indicated. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories. Partial submittals will not be acceptable and will be returned without review. Before any work is commenced, the submittal must be approved by the GSA Regional Fire Protection Engineer. Manufacturer's data shall be provided for all products listed in Part 2 of this specification and annotated to show the specific model, type and size of each item:

C. Shop Drawings: submit a pdf file set of drawings to the GSA Fire Protection Engineer that include all information as required by NFPA 13. The drawings shall be prepared on uniform sized sheets not less than 24 in by 36 in. Partial submittals will not be acceptable and will be returned without review. Before any work is commenced, the submittal must be approved by the GSA Regional Fire Protection Engineer. Include plans, elevations, sections, details, isometric diagram of sprinkler system riser piping showing all control valve locations, and attachments to other work.

1. Layout indicating details, plan view, elevations and sections of the system piping. Indicate the location of sprinklers and piping in relation to the ceiling layout, showing pipe lengths and sizes.

2. Detailed riser diagram including isometric diagrams showing schematic of systems supply, supply connection, devices, valves, pipe and fittings.

D. Hydraulic Calculations. Submit a pdf file set of hydraulic calculations

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E. As Built Drawings:

1. Provide electronic as-built drawings to the GSA Fire Protection Engineer; 1 set shall include DWG file formats, including all associated externally referenced electronic files (Xref’s). 1 set shall be a read only PDF copy of each As-Built drawing for archiving purposes. PDF files shall be created using the PDF Creator utility. These two (2)) CD-R’s shall be formatted, written to, and the recording session closed in such a manner as to prevent additional electronic file transfers to the recordable CD-R’s.

F. Field Test Reports and Certificates: Submit test certification, to the GSA Fire Protection Engineer, for all pipe and fittings. 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."

G. Operation and Maintenance Data: Not less than 14 calendar days prior to the final acceptance testing of the entire system, and for use during the instruction period hereinafter specified, provide six (6) bound copies of an Operation and Maintenance Manual to the GSA Fire Protection Engineer. The manual shall include an index, copies of all approved shop drawings and submittal materials (updated to as-built), and a complete parts list of all components. The manual shall also include, for each item, the manufacturer's name, the serial number of the part, an ordering number, if appropriate, and a physical description of the part. The manual shall include all data relative to alarm valves, waterflow switches and tamper switches.

1.7 QUALITY ASSURANCE

A. Qualifications:

1. Layout and hydraulic calculation shall be performed by a NICET Level III Technician certified in Automatic Sprinkler Systems Layout or a Registered Fire Protection Engineer.

2. Installation shall be performed by a licensed sprinkler contractor who is experienced in the layout and installation of automatic sprinkler systems (minimum 3 years) of comparable size and type.

3. Installer's responsibilities include layout, fabrication, and installation of sprinkler systems.

Layout calculations shall be based on the fire-hydrant flow test data provided from the City of Tyler Water Department..

4. Drawings shall be sealed by a licensed Professional Fire Protection Engineer or be stamped by a NICET Level IV Technician certified in Automatic Sprinkler Systems Layout.

B. Guarantee. The Contractor shall guarantee labor, materials, and equipment provided under this contract against defects for a period of one year after the date of final acceptance of this work by the Government. Final Acceptance includes, but is not limited to, the receipt of as-built drawings and operation and maintenance manuals Contractor shall be able to provide qualified personnel to site within a two (2) hour time frame and be available 24 hours a day, 7 days a week.

C. Conflicts. The system shall be installed in accordance with the drawings, specifications and referenced publications. Any conflicts between these documents shall be brought to the attention of the GSA Fire Protection Engineer, and the GSA Regional Fire Protection Engineer.

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1.8 PROJECT CONDITIONS

1. Contractor is responsible for verification of all ceilings features and incorporation into the shop drawings.

2. Contractor is responsible for removal of all ceiling tile necessary for the installation of the system.

3. Contractor is responsible for replacement of all ceiling tiles damaged during installation.

1.9 COORDINATION

A. Coordinate layout and installation of sprinklers with fire alarm contractor and existing building features / utilities.

PART 2 - PRODUCTS

2.1 All products shall be UL listed or FM approved for Fire Protection Service unless specifically addressed otherwise by this specification.

2.2 All products shall be made in the USA

2.3 ABOVE GROUND PIPING MATERIALS

A. Materials shall be steel.

2.4 STEEL PIPE AND FITTINGS

A. Schedule 40, Black-Steel Pipe: ASTM A795, in NPS 1.1/2- inch and smaller. Pipe ends may be factory or field threaded.

B. Schedule 10, Black-Steel Pipe: ASTM A795, Schedule 10 in pipe 2-inch and larger . Pipe ends may be factory or field grooved.

C. Black-Steel Pipe Nipples: ASTM A733, made of ASTM A795, Schedule 40 steel pipe with threaded ends.

D. Steel Couplings: ASTM A865, threaded.

E. Gray-Iron Threaded Fittings: ASME B16.4, Class 125, standard pattern.

F. Malleable- or Ductile-Iron Unions: UL listed.

G. Cast-Iron Flanges: ASME 16.1, Class 125.

H. Steel Flanges and Flanged Fittings: ASME B16.5, Class 150.

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I. Steel Welding Fittings: ASTM A234/A234M and ASME B16.9.

J. Malleable Iron Fittings: ASTM B16.3, Class 150

K. Grooved-Joint, Steel-Pipe Appurtenances:

1. Pressure Rating: 250 psig minimum.

2. Grooved-End Fittings for Steel Piping: ASTM A47/A47M, malleable-iron casting or

ASTM A536, ductile-iron casting; with dimensions matching steel pipe.

3. Grooved-End-Pipe Couplings for Steel Piping: AWWA C606 rigid pattern, unless otherwise indicated by this specification, for steel-pipe dimensions. Include ferrous housing sections, EPDM-rubber gasket, and bolts and nuts.

2.5 PIPING JOINING MATERIALS

A. Pipe-Flange Gasket Materials: AWWA C110, rubber, flat face, 1/8 inch (3.2 mm) thick.

1. Class 125, Cast-Iron Flanges and Class 150, Bronze Flat-Face Flanges: Full-face gaskets.

2. Class 250, Cast-Iron Flanges and Class 300, Steel Raised-Face Flanges: Ring-type gaskets.

B. Metal, Pipe-Flange Bolts and Nuts: ASME B18.2.1, carbon steel unless otherwise indicated by this specification.

C. Welding Filler Metals: Comply with AWS D10.12M/D10.12 for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

2.6 VALVES

A. General Requirements:

1. Minimum Pressure Rating for Standard-Pressure Piping: 175 psig (1200 kPa).

B. Ball Valves:

1. Standard: UL listed, except with ball instead of disc.

2. Valves NPS 1-1/2 (DN 40) and Smaller: Bronze body with threaded ends.

3. Valves NPS 2 and NPS 2-1/2 (DN 50 and DN 65): Bronze body with threaded ends or ductile-iron body with grooved ends.

4. Valves NPS 3 (DN 80): Ductile-iron body with grooved ends.

C. Bronze Butterfly Valves:

1. Pressure Rating: 175 psig (1200 kPa).

2. Body Material: Bronze.

3. End Connections: Threaded.

D. Iron Butterfly Valves:

1. Pressure Rating: 175 psig (1200 kPa).

2. Body Material: Cast or ductile iron.

3. Style: Lug or wafer.

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4. End Connections: Grooved.

E. Check Valves:

1. Pressure Rating: 250 psig (1725 kPa) minimum.

2. Type: Swing check.

3. Body Material: 2-1/2 (DN 65) inches or more: Cast iron.

4. Body Material: 2 inches or less (DN 50): Bronze with screw ends

5. End Connections: Flanged or grooved.

F. Bronze OS&Y Gate Valves:

1. Pressure Rating: 175 psig (1200 kPa).

2. Body Material: Bronze.

3. End Connections: Threaded.

G. Iron OS&Y Gate Valves:

1. Pressure Rating: 250 psig (1725 kPa) minimum.

2. Body Material: Cast or ductile iron.

3. End Connections: Flanged or grooved.

H. Indicating-Type Butterfly Valves:

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

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

a. Valve Type: Ball or butterfly.

b. Body Material: Bronze.

c. End Connections: Threaded.

3. 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.

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

2.7 TRIM AND DRAIN VALVES

A. General Requirements:

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

B. Provide Angle Valves, Ball Valves, Globe Valves, Plug Valves

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2.8 SPECIALTY VALVES

A. General Requirements:

1. Pressure Rating:

a. Standard-Pressure Piping Specialty Valves: 175 psig (1200 kPa) minimum.

2. Body Material: Cast or ductile iron.

3. Size: Same as connected piping.

4. End Connections: Flanged or grooved.

B. Automatic (Ball Drip) Drain Valves:

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

2. Type: Automatic draining, ball check.

3. Size: NPS ¾ (DN 20).

4. End Connections: Threaded.]

2.9 SPRINKLER SPECIALTY PIPE FITTINGS

A. Branch Outlet Fittings:

1. Use welded, threaded or grooved outlets only.

2. Mechanical fastened tees are not permitted.

3. Where welded outlets are used, cutouts shall be fastened to the pipe from which they are cut.

B. Inspectors Test and Drain Assemblies:

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

2. Body Material: Cast- or ductile-iron housing with orifice, sight glass, and integral test valve and pressure relief.

3. Size: 2-inch

4. Inlet and Outlet: Threaded.

2.10 SPRINKLERS

A. General Requirements:

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

2. Sprinklers with O-rings are not permitted.

B. Automatic Sprinklers with Heat-Responsive Element:

1. Manufacturer: Any American made and UL listed or FM approved

C. Sprinkler Finishes:

1. Pendent Semi-recessed: Chrome.

2. Upright: brass

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D. Sprinkler Guards:

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

2.11 ALARM DEVICES

A. Water-Flow Indicators:

1. Water-Flow Detector: Electrically supervised.

2. Components: Two double-throw circuit switches for isolated alarm and auxiliary contacts, complete with factory-set, field-adjustable retard element to prevent false signals and tamperproof cover that sends signal if removed.

3. Type: Paddle operated with screw terminals.

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

5. Design Installation: Horizontal or vertical.

6. Time Delay Feature: from 0 to 45 seconds

B. Valve Supervisory Switches:

1. Type: Electrically supervised with screw terminals.

2. Components: Double-pole, double-throw switch with normally closed contacts.

3. Design: Signals that control valve is in other than fully open position.

C. Indicator-Post Supervisory Switches:

1. Type: Electrically supervised with screw terminals.

2. Components: Double-throw switch with normally closed contacts.

3. Design: Signals that controlled indicator-post valve is in other than fully open position.

2.12 PRESSURE GAGES

A. Type: Liquid filled

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

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

D. Water System Piping Gage: Include “WATER” or “AIR/WATER” label on dial face.

2.13 PIPE ESCUTCHEONS

A. General: Manufactured ceiling, floor, and wall escutcheons and floor plates.

B. Split-Plate, Stamped-Steel Escutcheons: Chrome-plated finish with concealed hinge, set-screw.

C. One-Piece Floor Plates: Cast-iron flange.

D. Split-Casting Floor Plates: Cast brass with concealed hinge.

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2.14 SLEEVES

A. Steel-Pipe Sleeves: ASTM A-795, Type E, Sch40, plain ends.

2.15 HANGERS

A Materials available by product type. Provide materials to comply with location and application requirements unless noted otherwise on drawings and schedules.

1. Pipe rings - Malleable iron, carbon steel.

2. Clevis - Carbon steel.

3. Steel pipe clamps - Carbon steel, alloy, stainless steel.

4. Socket clamps - Carbon steel.

5. Beam clamps - Malleable/ductile iron, hardened steel, carbon steel, forged steel.

6. Structural attachments - Carbon steel, malleable iron.

7. Rod attachments - Carbon steel, malleable iron, forged steel.

8. Pipe supports - Carbon steel, cast iron.

9. Pipe shields and saddles - Carbon steel, alloy steel, stainless steel.

10. Pipe rolls - Cast iron, carbon steel.

11. Guides - Carbon steel; slides, carbon steel with PTFE slide plates.

12. Engineered hangers - Carbon steel, stainless steel, chrome molybdenum steel.

13. Powder driven studs – Not permitted

2.16 SIGNAGE

A. Provide steel or aluminum signs for each valve and to identify hydraulic design. Signs shall have white lettering on a red background with holes for easy attachment. Enter pertinent data for each system on the hydraulic placard.

2.17 SPRINKLER CABINET

A. Provide metal cabinet(s) as required containing a stock of spare sprinkler heads of all types and ratings installed as well as any special tools required for removal or replacement of the heads.

The number of spare sprinklers shall conform to NFPA 13. The cabinet shall be located, in an area where the temperature will not exceed 100 degrees F (38 degrees C), and approved by the GSA Regional Fire Protection Engineer.

PART 3 - EXECUTION

3.1 PIPING INSTALLATION

A. Locations and Arrangements: Contract drawing, schematics, and diagrams indicate general location and arrangement of system. Sprinklers shall be installed as shown on the drawings as far as practical.

Pipe configuration shown is conceptual. Pipe configuration, (tree, loop, gridded systems) shall be determined by the contractor in order to make the system fit within the building and keep with the design intent. It is the responsibility of the contractor to fully coordinate the installation within the facility so that the system fits within the facility and complies with NFPA 13 installation standards and these specifications. It is the contractors responsibility to create shop drawings showing all

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installation details including drains and flushing connections. Shop drawing shall be submitted for review by the GSA Fire Protection Engineer.

B. Piping shall be concealed in all finished spaces with drop ceiling.

C. Deviations from approved working plans (shop drawings) for piping require written approval from authorities having jurisdiction. File written approval with GSA Regional Fire Protection Engineer before deviating from approved working plans.

D. Use listed fittings to make changes in direction, branch takeoffs from mains, and reductions in pipe sizes. Reductions in pipe sizes shall be made with tapered fittings, bushings shall not be permitted.

E. Install hangers and supports for sprinkler system piping according to NFPA 13. Comply with requirements for hanger materials in NFPA 13. Trapeze type supports shall utilize angle iron.

Use of pipe for trapeze supports is prohibited.

F. Install pressure gages on riser or feed main, at each sprinkler test connection. 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 temperatures below 40 degrees F.

G. Provide a check valve at the connection to the system riser(s) at each floor connection.

3.2 JOINT CONSTRUCTION

A. Install couplings, flanges, flanged fittings, unions, nipples, 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 by this specification.

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

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

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

E. 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.

F. Welded Joints: Construct joints according to AWS D10.12M/D10.12, using qualified processes and welding operators according to the requirements and recommendations of NFPA 13.

1. Shop weld pipe joints where welded piping is indicated. Do not weld to galvanized-steel pipe.

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2. Affix cutout disks, which are created by cutting holes in the walls of pipe for flow switches and non-threaded pipe connections to the respective waterflow switch or pipe connection near to the pipe from where they were cut.

G. Steel-Piping, Roll-Grooved Joints: Roll rounded-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 grooved joints.

3.3 VALVE AND ALARM DEVICE INSTALLATION

A. Install water flow indicators and valve supervisory devices in accordance with Division 28, GSA Address/Analog Fire Alarm specification.

B. All valves shall be electronically supervised.

C. Valves must be accessible from floor level, and shall not be installed above ceilings.

D. Operation of valve supervisory device shall generate a supervisory signal upon no more than two complete turns of the valve wheel or a closure of 20 percent, whichever is less.

E. For OS&Y valves, provide a roll cut “U” groove in the valve stem the same size as the supervisory switch shaft.

3.4 SPRINKLER INSTALLATION

A. Temperature Rating: Install ordinary temperature sprinklers, unless modified herein the specification. Sprinklers installed in higher ambient temperature areas shall be installed in accordance with NFPA 13.

1. For sprinklers installed directly underneath skylights, install intermediate temperature sprinklers.

B. Sprinkler Guards: Provide mechanical guards as required to prevent mechanical damage in accordance with NFPA 13, and as follows:

1. All sprinklers installed below 7 ft. (2.1 m.)

C. Quick Response Sprinklers:

1. Install in all areas where listed for use and in accordance with NFPA 13.

D. 2x2 ceilings: Sprinklers shall be located in the center of tile.

2x4 ceiling tile shall be located in quarter points along the 4-ft length and centered along the 2-ft width.

3.5 DRAINS

A. Pipe drains to discharge at safe points outside of the building or to sight cones attached to drains of adequate size to readily carry the full flow from each drain under maximum pressure. Do not

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provide a direct drain connection to sewer system or discharge into sinks. Install drum drips and drains where necessary and required by NFPA 13.

1. All drain discharge outlets on the outside of the building shall be located no higher than 1 foot (0.3 meters) above grade level.

2. Drains provided as part of floor control valves shall discharge to an express drain located adjacent to the sprinkler riser. Drains shall be of the combination inspector's test/drain type.

3.6 SIGNAGE

A. Securely attach identification signs to control valves, drain valves, and test valves. Locate hydraulic placard information signs at each sectional control valve where there is a zone water flow switch. Where more than one sprinkler zone is provided, signs shall indicate the specific zone served by the valve.

3.7 FIRESTOPPING AND FIREPROOFING

A. Firestop all holes for piping, or other penetrations which pass through floor slabs, fire-rated walls, partitions with fire-rated doors, vertical service shafts, or any fire-rated. Existing holes through which new piping for this project passes shall be totally firestopped in a manner that restores the fire protection rating of the penetrated wall, floor, ceiling or other structure.

3.8 SLEEVE INSTALLATION

A. General Requirements: Install sleeves for pipes and tubes passing through penetrations in concrete or masonry walls and floors.

B. Cut sleeves to length for mounting flush with both surfaces unless otherwise indicated by this specification.

C. Install sleeves that are large enough to provide 1/4-inch (6.4-mm) annular clear space between sleeve and pipe. In seismic zones, for pipe 2½ inch (65 mm) and smaller install sleeves that are large enough to provide 1 inch (25 mm) annular clear space between sleeve and pipe, for pipe larger than 2½ (65 mm) inch install sleeves that are large enough to provide 2 inch (50 mm) annular clear space between sleeve and pipe.

D. Sleeves in Masonry and Concrete Walls, Floors, and Roofs: Provide hot-dip galvanized steel, ductile-iron, or cast-iron sleeves.

E. Escutcheon plates shall be installed where exposed piping penetrates through walls, ceilings and floors.

3.9 FIELD QUALITY CONTROL

A. Tests and Inspections:

1. Hydrostatically test wet-pipe sprinkler system, as required by NFPA 13, in the presence of the GSA Regional Fire Protection Engineer or their designated representative. The

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Contractor and an authorized representative from each supplier of equipment shall be in attendance at the preliminary test. Test waterflow alarms, tamper switches, and all other devices for smooth and correct operation. Test the waterflow alarms by flowing water through the inspector's test connection. When tests are completed and corrections made, submit signed and dated “Contractor’s Material and Test Certificates” in accordance with NFPA 13, with a request for final inspection and tests.

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

3. Flush, test, and inspect sprinkler systems according to NFPA 13.

4. Energize circuits to electrical equipment and devices.

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

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

B. Final Inspection and Testing: Advise the GSA Regional Fire Protection Engineer when hydrostatic and alarm tests have been completed and all necessary corrections made, so as to permit final inspection and testing. Submit request for testing at least 15 calendar days prior to test date. A final acceptance test WILL NOT BE SCHEDULED until operation and maintenance manuals have been received by the Contracting Officer or designated representative.

1. At the final test, a material and test certificate must be provided in accordance with NFPA

13.

2. Submit up-to-date red-lined shop drawings to the GSA Regional Fire Protection Engineer or designated representative at the final test. These drawings shall be undamaged sets of prints of the shop drawings, with changes from the original drawings marked in red. Up-to-date drawings shall be maintained on site throughout construction.

3. The final test shall be witnessed by GSA Regional Fire Protection Engineer. The

Contractor shall be in attendance at the final test.

4. Final testing shall include, but is not limited to, full flow testing through both the main drain and the inspector's test connection as well as testing of all waterflow and tamper switches.

5. Provide all equipment, services and labor to properly perform all required tests. The

Regional GSA Regional Fire Protection Engineer shall supervise all testing.

C Coordination of Installation:

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1. The Contractor shall coordinate this sprinkler system work with other trades to avoid con-flicts, assure system completion and testing within the project schedule and to assure a quality, workmanlike finished product. In occupied buildings the Contractor shall coordi-nate all work with the GSA Property Manager to limit the disruptions to government busi-ness and activities. This may mean altered scheduling, after hours work, and/or sequencing construction activities to avoid disruptions to occupants of the building.

2. Disruptions to existing automatic sprinkler systems shall be kept to a minimum or avoided.

Sprinkler systems outside of the construction project shall be kept in service at all times in a method approved by the GSA Regional Fire Protection Engineer.

3. Delineate phasing of construction to ensure that installations of new systems are expedited, and existing systems are kept in service until the replacement system is operational.

3.10 CLEANING AND PAINTING

A. Clean dirt and debris from sprinklers.

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

END OF SECTION 211313