SECTION 211313 - WET-PIPE SPRINKLER SYSTEMS



SECTION 211313 – WET-PIPE SPRINKLER SYSTEMS

GENERAL

1. SUMMARY

A. Related Documents:

1. Drawings and general provisions of the Subcontract apply to this Section.

2. Review these documents for coordination with additional requirements and information that apply to work under this Section.

B. Section Includes:

1. Design and installation of wet-pipe sprinkler system

2. Pipe, fittings, valves, sleeves, flexible connections, seismic bracing, and connections for fire protection systems.

3. Pumps

4. [Emergency [motor] [engine]-driven pressure pump]

5. Fire department connection

6. Device and equipment testing

7. System flushing, testing, and activation

8. Establish and implement required safety program and procedures.

9. Comply with Federal and State Regulations, and LBNL EH&S procedures.

C. Related Sections:

1. Division 01 Section "General Requirements."

2. Division 01 Section "Special Procedures."

3. Division 02 Section "Trenching".

4. Division 21 Section "Hangers and Supports for Fire Suppression Piping and Equipment".

5. Division 21 Section "Identification for Fire Suppression Piping and Equipment".

6. Division 21 Section "Vibration and Seismic Controls for Fire Suppression Piping and Equipment".

7. Division 21 Section "Preaction Sprinkler Systems".

8. Division 21 Section "Fire-Suppression Standpipes".

9. Division 28 Section "Fire Detection and Alarm".

2. REFERENCES

A. General:

1. The following documents form part of the Specifications to the extent stated. Where differences exist between codes and standards, the one affording the greatest protection shall apply.

2. Unless otherwise noted, the referenced standard edition is the current one at the time of commencement of the Work.

3. Refer to Division 01 Section "General Requirements" for the list of applicable regulatory requirements.

4. Refer to Division 21 Section "Common Results for Fire Suppression" for codes and standards, and other general requirements.

B. American Society of Mechanical Engineers (ASME)

1. ASME-B-16.3 Malleable Iron Threaded Fittings Classes 150 and 300

2. ASME-B-16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through 24

3. ASME-B-16.9 Factory-Made Wrought Steel Buttwelding Fittings

4. ASME-B-16.11 Forged Fittings, Socket-Welding and Threaded

5. ASME-B-16.18 Cast Copper Alloy Solder Joint Pressure Fittings

6. ASME-B-16.22 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

7. ASME-B-16.25 Buttwelding Ends

8. ASME-B-36.10M Welded and Seamless Wrought Steel Pipe

C. ASTM Interanational:

1. ASTM A47 / A47M Standard Specification for Ferritic Malleable Iron Castings

2. ASTM A53 / A53M Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

3. ASTM A135 / A135M Standard Specification for Electric-Resistance-Welded Steel Pipe

4. ASTM-A-234 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and Elevated Temperatures

5. ASTM-B-32 Standard Specification for Solder Metal

6. ASTM-B-75 Standard Specification for Seamless Copper Tube

7. ASTM-B-88 Standard Specification for Seamless Copper Water Tube

8. ASTM-B-251 Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube

D. American Water Works Association (AWWA):

1. AWWA-C-110 Ductile-Iron and Gray-Iron Fittings

2. AWWA-C-151 Ductile-Iron Pipe, Centrifugally Cast

E. American Welding Society AWS-A-5.8 Filler Metals of Brazing

F. Code of Federal Regulations 29 CFR 1910.7 Definitions and Requirements for a Nationally Recognized Testing Laboratory (NRTL)

G. National Electrical Manufacturers Association (NEMA)

1. NEMA 250 Enclosures for Electrical Equipment (1000 Volt Maximum)

2. NEMA MG1 Motors and Generators

H. American Society of Mechanical Engineers ASME BPVC Boiler and Pressure Vessel Code, Welding and Sec IX Brazing Qualifications

I. American Welding Society AWS D10.9 Qualification of Welding Procedures and Welders for Piping and Tubing

J. National Fire Protection Association (NFPA)

1. NFPA 13 Installation of Sprinkler Systems

2. NFPA 14 Installation of Standpipe and Hose Systems

3. NFPA 20 Installation of Centrifugal Fire Pumps

3. SYSTEM DESCRIPTION

A. System shall provide coverage for building areas noted.

B. Interface system with [building fire and smoke alarm system] [facilities monitoring and control system].

C. Provide system to NFPA 13 Ordinary Hazard, Group 2 occupancy requirements.

D. Emergency Pressure System: Electric motor or Diesel-engine driven fire pump.

E. Provide fire department connection as indicated on the drawings.

4. DRAWINGS

A. The Contract Drawings are diagrammatic only. Pipe lengths shown are approximate center to center lengths between fittings. Subcontractor shall determine the actual measurements and make any and such length and offset adjustments as may be necessary to complete the installation at no change in the contract price. The drawings are not intended to relieve the Subcontractor of responsibility for avoiding conflicts or obstructions or for installing the number of sprinklers and supply piping as required to provide complete protection of the designated areas in accordance with the requirements of the referenced standards and these specifications. Written approval shall be obtained from the Engineer of Record prior to making major deviations from the arrangement and layout shown on the Drawings.

5. SUBMITTALS

A. Submit under provisions of Division 21 Section "Common Results for Fire Suppression, Review of Materials" and Division 01 Section "General Requirements."

B. Shop Drawings: Within 30 days after the award of the contract, develop and submit drawings required for the construction, commissioning, and maintenance of the system including detailed pipe layout, hangers and supports, piping components, valve and sprinkler head locations, and accessories. The drawings shall bear the stamp of a Professional Engineer or a C-16 contractor licensed to perform such work by the State of California.

1. Electronic files of the Subcontract drawings will be provided by LBNL for the Subcontractor’s use in developing the detailed shop drawings for this project upon request. drawings prepared by the Subcontractor shall be developed using the AutoCADTM computer-aided drafting program. drawings shall be a maximum ANSI size D. notations, dimensions, and lettering shall be no smaller than 1/8" on 'D' size drawings. Font style shall be Simplex or RomanS. The correct orientation (North arrow) and elevation shall be shown on plan views. The title block shall bear the names and signatures of the employees who drew, checked, and approved each drawing.

2. The drawings shall be sequenced in a logical order, such as building and floor numbers in ascending order. With the exception of common construction details, each drawing shall depict work within a single building. Floor plans of existing buildings provided by LBNL shall be shown faded on the drawings so that the new work is highlighted.

C. Calculations: The Subcontractor shall produce and submit detailed hydraulic calculations to prove that the system has been designed in accordance with NFPA 13. The calculations shall bear the stamp of approval of a Professional Engineer or a C-16 contractor licensed to perform such work by the State of California. For this project, the following data shall be used in the design calculations.

1. Static pressure: [….] psi.

2. Flow: [ ] gpm @ [….] psi.

D. Product Data: Within 10 days after the award of the contract, submit technical product specification sheets for each system component and device which include data needed to prove compliance with this specification. Clearly indicate the exact model of each component to be provided. Include manufacturer's installation Instruction for components being provided under this section.

1. Indicate pipe materials used, jointing methods, supports, floor and wall penetration seals.

2. Indicate valve data and ratings.

E. Pump Data:

1. Indicate pump type, capacity, power requirements, affected adjacent construction.

2. Submit certified pump curves showing pump performance characteristics with pump and system operating point plotted. Include NPSH curve when applicable.

F. Installer Qualifications: Submit evidence that the installer is regularly engaged in the installation of automatic fire sprinkler equipment and systems with at least 3 years experience, and that they are licensed by the State of California (C-16) to do such construction. Submit evidence that the welder(s) for this project are certified in accordance with ASME BPVC Sec IX or AWS D10.9.

G. Operation and Maintenance Data:

1. Include written maintenance data and servicing requirements for components of the system.

2. Include pump operation, maintenance, and inspection data, replacement part numbers and availability, and location and telephone numbers of service depot.

H. Project Record Documents:

1. Submit electronic files developed for this project including shop drawings and calculations. The shop drawings shall be revised to show the "as-built" conditions including actual locations of system components and affected equipment including piping, sprinkler heads, risers, laterals, supports, and points of connection. The shop drawings files shall be submitted in AutoCADTM version 2002 format.

6. QUALITY ASSURANCE

A. Design and installation shall conform to and comply with NFPA 13, NFPA 14 for standpipe and hose systems.

B. Equipment and components shall be listed or labeled in accordance with the requirements of a nationally recognized testing laboratory (NRTL) recognized under 29 CFR part 1910.7.

C. Welding materials and procedures shall conform to and comply with ASME BPVC Sec IX.

D. Valves shall bear a label or marking of a NRTL with manufacturer’s name and pressure rating marked on valve body.

E. Provide pumps labeled with manufacturer's name, model number, and rating/capacity.

7. DELIVERY, STORAGE, AND HANDLING

A. Deliver and store valves and pumps in shipping containers, with labeling in place.

B. Provide temporary protective coating on cast iron and steel valves.

C. Provide temporary end caps and closures. Maintain in place until installation.

D. Deliver materials and store on site in original containers with seals unbroken and labels intact until time of use, in accordance with the manufacturer's instructions.

E. All materials and equipment shall be carefully handled at times. Only suitable and proper equipment and appliance shall be used for the safe loading, hauling, unloading, handling, and installation of material.

8. MAINTENANCE

A. Provide extra sprinkler heads under provisions of NFPA 13.

B. Provide suitable wrenches for each head type.

C. Provide metal storage cabinet in location designated.

D. Provide three sets of gaskets & screens for each pump type and model supplied for the University's use.

PRODUCTS

1. GENERAL

A. All materials and equipment furnished by the Subcontractor shall be new, first grade standard, current products of a manufacturer regularly engaged in the production of such materials and equipment. Where two or more pieces of equipment performing the same function are required, they shall be of the same manufacturer and exact duplicates.

2. PIPE AND TUBE

A. Steel Pipe: In accordance with ASTM-A-53 and ASTM-A-135 black steel Schedule 40 pipe. Pipes shall be joined by screwed joints in accordance with specification ANSI B 1.20.1 - 1983 (ANSI/ASME B 2.1), by welded joints in accordance with specification ANSI/ASME B 31.1, Chap. 5, or by UL - listed mechanical grooved couplings. Grooves may be rolled or cut and they shall be dimensionally compatible with the couplings.

B. Copper Tube: ASTM B88 Type L copper.

C. Iron Pipe: AWWA-C-151, centrifugally cast ductile iron pipe.

D. Buried Piping: Centrifugally Cast Ductile iron.

E. Aboveground, Inside-Building Piping: Black Steel, schedule 40, pipe or Type L copper tube as permitted by NFPA 13.

3. PIPE FITTINGS

A. Steel Fittings: Welded fittings shall be wrought steel in accordance with ASME-B-16.9, ASME-B-16.25, ASTM-A-234. Wrought carbon steel or alloy steel flanges and fittings shall be in accordance with ASME-B-16.5, and ASME-B-16.11.

B. Malleable Iron Fittings (Screwed type): In accordance with ASME-B-16.3 and ASTM-A-47.

C. Copper Fittings: Cast bronze brazed joint in accordance with ASME-B-16.18. Wrought copper brazed joint in accordance with ASME B-16.22.

D. Ductile Iron Fittings: In accordance with AWWA-C-110.

E. Grooved couplings and mechanical fittings shall be UL listed or FM approved for fire protection service. Plain-end type pipe fittings and couplings shall not be used unless specifically identified on the Drawings.

4. JOINT MATERIALS

A. Solder: ASTM-B-32, 95/5 alloy.

B. Brazing: AWS-A-5.8.

C. Threaded Joint Compound: Teflon tape or approved joint compound.

5. UNIONS, FLANGES, AND COUPLINGS

A. Unions: 150 psi (1034 kPa) malleable iron for threaded ferrous piping.

B. Flanges: 150 psi (1034 kPa) forged steel slip-on flanges for ferrous piping.

C. Mechanical Grooved Couplings: Malleable iron housing clamps to engage and lock, designed to permit some angular deflection, contraction, and expansion; C-shaped composition sealing gasket, steel bolts, nuts, and washers; galvanized couplings for galvanized pipe.

6. VALVES

A. Gate Valves:

1. Bronze, rising stem, inside screw, solid wedge, or equal.

2. Iron body, bronze trim, rising stem, OS&Y, solid wedge, or equal.

B. Globe [or Angle] Valves:

1. Bronze, rising stem, inside screw, renewable composition disc, or equal.

2. Iron body, bronze trim, rising stem, OS&Y, renewable composition disc, or equal.

C. Check Valves:

1. Bronze, swing disc, or equal.

2. Iron body, bronze trim, swing disc, renewable disc and seat, or equal.

3. Iron body, bronze trim, spring loaded, renewable composition disc, or equal.

D. Butterfly Valves: Iron body, stainless steel disc and extended stem with resilient replaceable liner seat, or equal.

E. Drain & Test Valves:

1. Bronze compression stop with nipple and cap or hose thread, or equal.

2. Valve shall be provided with 3/4 inch (19 mm) hose thread, or equal.

3. All valves shall be provided with replaceable rubber or composition discs.

7. VALVE OPERATORS

A. Provide handwheels for gate, globe or angle, and drain valves.

B. For butterfly valves provide gear operators for sizes 8 inches (200mm) and larger. For smaller sizes provide level lock handle with toothed plate.

C. For valves located more than 7 feet (2 m) from floor in equipment room areas, provide endless-chain-operated sheaves. Extend chains to 5 feet (1.5 m) above floor and secure clear of walkways.

8. VALVE CONNECTIONS

A. Provide valve connections to match pipe joints. Use valves of pipe size.

B. For copper tube, provide threaded solder adapters for connection to valve.

C. Provide butterfly valve with tapped lug body when used for isolating service.

9. SPRINKLER HEADS

A. Suspended Ceiling Type: [Standard] [Semi-recessed] [Recessed] [Concealed]-pendant type with [brass] [chrome-plated] finish, with matching escutcheon.

B. Exposed Area Type: Standard upright type with [brass] [chrome-plated] finish.

C. Sidewall Type: [Brass] [Chrome-plated] finish with matching escutcheon.

D. Fusible Link: Temperature rated for specific area hazard.

E. [Guards: Finish to match sprinkler head.]

F. Sprinkler Heads:

1. Approved Manufacturers:

a. GEM - Model A Quick Response Sprinkler (155, 200 deg F (86240.44 deg C)).

b. Reliable - Model F1FR/F2 Quick Response Sprinkler. (155, 200 deg F (86240.44 deg C)).

c. Viking - Model M Quick Response Micorfast sprinkler (155, 200 deg F (86240.44 deg C)).

2. Suspended Ceiling:

a. Type: Standard pendant type with matching push on escutcheon plate

b. Head Finish: Chrome Plated

c. Escutcheon Plate Finish: Chrome plated

d. Fusible Link: Fusible solder link type temperature rated for specific area hazard.

3. Exposed Area Type:

a. Type: Standard upright type

b. Head Finish: Brass

c. Fusible Link: Fusible solder link type temperature rated for specific area hazard.

4. Sidewall Type:

a. Type: Standard horizontal sidewall type with matching push on escutcheon plate and guard

b. Head Finish: Brass

c. Escutcheon Plate Finish: Brass

d. Fusible Link: Fusible solder link type temperature rated for specific area hazard.

5. Guard: For pendent and sidewall sprinklers located within 7 feet of the floor or subject to mechanical damage shall be provided with sprinkler guard with finish to match sprinkler head.

10. PIPING SPECIALTIES

A. Automatic Sprinkler Alarm Valve: Check type valve with divided seat ring, rubber faced clapper to automatically actuate hydraulically operated alarms, and pressure switch with pressure retard chamber and variable pressure trim.

B. Alarm Gong: Water or Electric type.

C. OS&Y Valve Tamper Switch shall be ADT Model No. 613 with cover tamper switch.

D. Butterfly Valve Tamper Switch shall be Potter Signal Co., Model PIVSU-A2.

E. Post Indicator Valve Tamper Switch shall be Potter Signal Co., Model PIVSU-A, Post Indicator Valve Switch.

F. Fire Department Connection: Standard wall, Flush wall mounted, or Free-standing type with brass or chrome-plated finish. Thread size to suit fire department hardware. Two-way threaded dust cap and chain of same material and finish, 3/4 inch (19 mm) automatic drip shall be connected to drain. Mark "Sprinkler - Fire Department Connection."

G. Water Flow Switch: Vane type switch for mounting horizontal or vertical, with two contacts rated 10 amp at 115 volt AC. Manufacture shall be Potter Electric Signal Co., Model VSR-D.

11. PUMP CONSTRUCTION

A. Statically and dynamically balance rotating parts.

B. Construction shall permit complete servicing without breaking pipe or motor connections.

C. Pumps shall operate at 1,750 rpm.

12. HORIZONTAL CENTRIFUGAL PUMPS

A. Type: Centrifugal, direct connected.

B. Casing: Cast iron, split case, single or double suction, rated for greater of 150 psig (1034 kPa) or 1.25 times actual working discharge pressure, renewable bronze wearing rings, flanged suction and discharge.

C. Impeller: Bronze, fully enclosed, keyed to shaft.

D. Shaft: High-grade alloy steel with copper, bronze, or stainless steel shaft sleeves.

E. Bearings: Grease-lubricated ball bearings.

F. Drive: Flexible coupling with coupling guard.

G. Seals: Packing gland with at least four rings Teflon packing.

H. Baseplate: High-grade heat-treated cast iron or reinforced heavy steel with integral drain rim and grout base.

13. VERTICAL TURBINE PUMPS

A. Type: Vertical, centrifugal turbine.

B. Casing: Cast iron, rated for greater of 125 psig (862 kPa) or 1.25 times actual discharge working pressure, discharge gauge, air vent, wear rings, seal-flush connection, drain plug, and flanged discharge.

C. Impeller: Bronze, fully enclosed, keyed to shaft or secured with locknut.

D. Shaft: Stainless steel or carbon steel with bronze or stainless steel sleeve through seal chamber.

E. Seals: Packing gland with at least four rings Teflon packing.

14. FIRE PUMP ACCESSORIES

A. Check valve in discharge pipe.

B. OS&Y gate or butterfly valves on system side of check valve and on supply side of pump.

C. Fire pump bypass fitted with OS&Y gate or butterfly valves and check valve.

D. Relief valve and open-type cone.

E. Pressure gauges, suction and discharge.

F. Circulation relief valve.

G. Umbrella cock, automatic air release.

H. Splash shield between pump and motor.

I. Manifold with hose gate valves.

15. ELECTRIC MOTOR DRIVE - EMERGENCY

A. Motor: Squirrel-cage type; in dripproof NEMA250 type enclosure.

B. Controller: Limited service type with auto-transformer, part winding starter, in NEMA MG1type enclosure. Include the following:

1. Two circuit breakers of 10,000 amp interrupting capacity (one for emergency start).

2. Magnetic starter energized manually and by pressure switch.

3. Alarm circuit for power failure.

16. DIESEL ENGINE DRIVE - EMERGENCY

A. Performance specification for a diesel engine unit may require extra statements for engine cooling method and coolant type, engine exhaust, fuel handling, and outside air operation. Coordinate electrical requirements, interface with building control system, and fire and smoke alarm systems. Review control and start-up sequence with Fire Marshall.

B. Diesel Engine: In accordance with Equipment Schedule in this section or design drawing.

C. Controller:

1. Common local alarm bell with individual trouble lamps to indicate low oil-pressure, high cooling-water temperature, engine failure to start, shut-down from overspeed, or battery failure.

2. Automatic provision for alternate use of two separate storage batteries.

3. Intermittent cranking of engine with lockout if engine fails to start after three (3) attempts.

4. Provision for lockout alarm if battery is disconnected or becomes inoperative.

5. Provision for 10 second delayed start.

6. Circuits for cooling-water-line solenoid valve and outside air-damper location.

17. FIRE PUMP ASSEMBLY CONTROLS

A. Controller: Hands-off automatic switch, fire-water-pressure switch to operate pump drive, fire-water-pressure switches for alarms.

B. Local alarms with indicating lights for low fire-water-pressure and high fire-water-pressure.

C. Interface Contacts for remote circuits to indicate pump operational status and alarm status.

18. PRESSURE BOOSTER (JOCKEY) PUMP

A. Electrically operated pressure-booster pump to maintain pressure.

B. Provide shutoff valves, check valve, and relief valves.

EXECUTION

1. JOB CONDITIONS AND COORDINATION WITH WORK

A. Impairments of existing fire protection systems shall be minimized, coordinated with the University Representative, and performed in accordance with NFPA 25. Existing fire protection systems shall be restored to service at the end of each working day.

B. If the work performed occurs within an existing building. equipment and material to be furnished and installed on the Project shall be coordinated with existing space constraints. equipment and material shall be fabricated such that complete systems may be broken down into sections suitable for lifting in the existing elevator and fit through existing passageways without modification to the building unless otherwise noted, or other arrangements are made with the Owner's Representative to provide access.

C. Coordinate work schedule, material deliveries etc. with both the University Representative and other contractors.

D. Place pipe runs to minimize obstruction to other work.

2. PREPARATION

A. Ream pipe and tube ends to full inside diameter.

B. Remove burrs and bevel plain-end ferrous pipe.

C. Remove scale and foreign material, inside and outside, before assembly.

3. INSTALLATION - PIPING

A. Screw-joint steel piping up to and including 1-1/2 inches (40 mm) in diameter. Screw or weld 2 inch (50 mm) diameter piping. Weld piping from 2-1/2 inches (65 mm) in diameter and larger, including branch connections.

B. Mechanical grooved joints may be used instead of threaded or welded joints.

C. Die-cut screw joints with full-cut, standard-taper pipe threads with red lead and linseed oil or other nontoxic joint compound applied to male threads only.

D. Coat threaded ends with pipe-lubricant compound.

E. In steel piping, main-sized saddle branch connections or direct connection of branch lines to mains is permitted if main is one pipe size larger than the branch for up to 6 inch (150 mm) mains, and if main is two pipe sizes larger than branch for 8 inch (200 mm) and larger mains. Do not project branch pipes inside the main pipe.

F. Braze copper tubes.

G. Install piping in accordance with NFPA 13 for sprinkler systems and NFPA 14 for standpipe and hose systems].

H. Do not penetrate building structural members unless indicated.

I. Provide sleeves when penetrating footings, floors, and walls.

J. Seal pipe and sleeve penetration to achieve fire resistance equivalent to fire separation required.

K. Place piping in concealed spaces above finished ceilings.

4. INSTALLATION - VALVES

A. Install valves with stems upright or horizontal, not inverted.

B. Provide gate valves for shutoff or isolating service.

C. [Where approved, butterfly valves may be used instead of gate valves.]

D. Provide drain valves at main shutoff valves, and at low points of piping and apparatus.

E. Install buried shutoff valves in valve box. Provide post indicator.

F. Provide double check-valve assembly at sprinkler system water-source connection.

5. INSTALLATION - PUMP

A. Pipe drain from pump bases, pump stuffing boxes, and pump casings to floor sinks or drains.

B. Provide air-vent valves on pump cases.

C. Use long radius elbows on suction side of pump.

D. Do not support piping from pump casing.

E. Align base mounted pumps.

6. INSTALLATION - FIRE DEPARTMENT CONNECTION

A. Locate fire department connection with sufficient clearance from walls, obstructions, or adjacent Siamese connectors to allow full swing of fire department wrench handle.

7. INSTALLATION - ALARM GONG

A. Locate outside alarm gong on building wall as indicated on the drawings.

8. INSTALLATION - SPRINKLER HEADS

A. Coordinate head layout with reflected ceiling plan. Provide piping offsets as required to meet spacing requirements. Coordinate head Installation with other ceiling mounted devices.

B. Apply strippable tape or paper cover to ensure that concealed sprinkler-head cover plates do not receive field paint finish.

9. INSTALLATION - EMERGENCY [MOTOR] [ENGINE]

A. Install in accordance with NFPA 13.

10. PENETRATIONS

A. The Subcontractor shall be responsible for openings and penetrations required for sprinkler piping.

B. Cutting structural members for passing sprinkler piping or pipe hanger fastenings will not be permitted except with approval of the University Representative.

C. Suitable means shall be provided at each hole or penetration to maintain the designed fire resistance rating of the wall, ceiling or floor assembly.

D. Install split wall plates or escutcheons where exposed piping passes through a finished floor, wall or ceiling. They shall fit snugly around piping. The finish of escutcheons or wall plates shall match the color of adjacent walls, ceilings or floors.

11. PAINTING

A. Exposed piping, conduit, valves etc. will be painted by others. Clean exposed surfaces of oil, dirt, etc. to the University Representative’s satisfaction.

B. Remove protective bags and wrappings after painting is completed. sprinkler heads, which have paint on them, shall be replaced. Cleaning of painted sprinkler heads is not permitted.

12. FIELD QUALITY CONTROL

A. Clean and flush entire piping system of foreign matter.

B. System Testing: Upon completion of installation and while piping is still exposed, hydrostatically test the systems at 200 psig (1380 kPa) for a period of 2 hours, or, test at 50 psig (35 kPa) above static pressure if static pressure is above 150 psig (1035 kPa).

1. Portions of the system may be tested as they are completed. Forty-eight hour notice shall be given to the University Representative and the authority having jurisdiction prior to test. University Representative shall be witnessed the tests.

C. The subcontractor shall be responsible for leaks in new and existing piping.

D. A completed Subcontractor's material and test certificate shall be submitted to the University (as required by section 1-10.1 of NFPA 13) prior to requesting approval of the installation.

E. Test pump, driver, and controller in accordance with NFPA 20.

13. SYSTEM ACTIVATION

A. Activate automatic fire sprinkler systems in a timely manner upon test completion, and connect the water flow alarm switch to the central alarm system upon activation of the fire sprinkler system.

14. PUMP SCHEDULES

A. When appropriate, fire pump schedule shall indicate type, model numbers, location, service, capacity, head, and motor size.

END OF SECTION 211313

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