13915 p 1-22 Ff Suppression Piping

KING ABDULLAH BIN ABDULAZIZ PROJECT- THIRD SAUDI EXPANSION OF HOLY HARAM MAKKAH & SURROUNDING AREAS

CENTRAL UTILITY COMPLEX & SERVICE TUNNEL

FIRE-SUPPRESSION PIPING SYSTEM PEDESTRIAN TUNNELS 13915 - Page 1 of 22 S09077-01D-TD-SPC-11B-ME-02 REV 1

SECTION 13915 - FIRE-SUPPRESSION PIPING SYSTEM

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Conditions of Contract and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes fire-suppression piping and equipment for the following building systems:

1. Automatic wet-type, Class III, fire-suppression standpipes and branches for sprinklers.

2. Wet-pipe, fire-suppression sprinklers, including piping, valves, specialties, and automatic sprinklers.

3. Preaction, fire-suppression sprinklers, including piping, valves, specialties, and automatic sprinklers operated by fire-detection system.

B. System Description:

1. System design and manufacturer's products shall be in accordance with the required and advisory provisions of NFPA 14, except as modified herein.

2. Standpipe system shall be designed by hydraulic calculations. 3. Each system shall be designed for earthquakes and shall include materials,

accessories, and equipment inside and outside the building necessary to provide each system complete and ready for use.

4. Devices and equipment shall be UL listed or FM P7825 approved for fire protection service.

C. Related Sections include the following:

1. Division 10 Section "Fire-Protection Specialties" for cabinets and fire extinguishers. 2. Division 13 Section "Electric-Drive, Horizontal Fire Pumps." 3. Division 13 Section "Electric-Drive, Vertical-Turbine Fire Pumps." 4. Division 13 Section "Fire Alarm" for alarm devices not in this Section.

1.3 DEFINITIONS

A. Hose Connection: Valve with threaded outlet matching fire hose coupling thread for attaching fire hose.

B. Hose Station: Hose connection, fire hose rack, and fire hose.

C. Working Plans: Documents, including drawings, calculations, and material specifications prepared according to NFPA 13 and NFPA 14 for obtaining approval from the Engineer and authorities having jurisdiction.




1.4 SYSTEM PERFORMANCE REQUIREMENTS

A. Verify the design of standpipes and sprinklers for compliance with NFPA 13 and NFPA 14, and obtain approval from the Engineer and authorities having jurisdiction.

B. Verify the design of standpipes and obtain approval from the Engineer and authorities having jurisdiction. Include minimum residual pressures at hydraulically remote outlets according to the following: 1. DN65 Hose Connections: 690 kPa.

C. Verify the design of sprinklers for conformance with NFPA 13, and obtain approval from the Engineer and authorities having jurisdiction.

1. Include 10 percent margin of safety for available water flow and pressure. 2. Include losses through water-service piping, valves, and backflow preventers. 3. Sprinkler Occupancy Hazard Classifications: As per NFPA 13 requirements. 4. Minimum Density for Automatic-Sprinkler Piping Design: As follows:

a. Light-Hazard Occupancy: 6.3 mL/s over 139 sq. m area. b. Ordinary-Hazard, Group 1 Occupancy: 9.5 mL/s over 139 sq. m area. c. Ordinary-Hazard, Group 2 Occupancy: 12.6 mL/s over 139 sq. m area. d. Extra-Hazard, Group 1 Occupancy: 18.9 mL/s over 232 sq. m area. e. Extra-Hazard, Group 2 Occupancy: 25.2 mL/s over 232 sq. m area.

5. Maximum Protection Area per Sprinkler: As per NFPA 13 requirements.

D. Preaction sprinkler system(s) shall meet the requirements of NFPA 13 and NFPA 72. The sprinkler system shall be a single interlocked system that requires the actuation of an alarm initiating device to open the water control valve.

E. Components and Installation: Capable of producing piping systems with 1200 kPa minimum working-pressure rating, unless otherwise indicated.

1.5 SUBMITTALS

A. Hydraulic Calculations: Submit hydraulic calculations to the Engineer for approval.

B. Product Data for the following:

1. Pipe and fitting materials and methods of joining for standpipe piping. 2. Pipe and fitting materials and methods of joining for sprinkler piping. 3. Pipe hangers and supports. 4. Piping seismic restraints. 5. Valves, including specialty valves, accessories, and devices. 6. Alarm devices. Include electrical data. 7. Air compressors. Include electrical data. 8. Fire department connections. Include type, number, size, and arrangement of inlets;

caps and chains; size and direction of outlet; escutcheon and marking; and finish. 9. Hose connections. Include size, type, and finish. 10. Hose stations. Include size, type, and finish of hose connections; type and length of

fire hoses; finish of fire hose couplings; type, material, and finish of nozzles; and finish of rack.

11. Excess-pressure pumps. Include electrical data.




12. Sprinklers, escutcheons, and guards. Include sprinkler flow characteristics, mounting, finish, and other pertinent data.

C. Fire-Hydrant Flow Test Report: As specified in "Preparation" Article.

D. Valve Schedule: Furnish a printed schedule, in duplicate, describing each valve by number, giving locations and service for which used. One copy of this schedule is to be mounted under glass in a simple black enamel steel frame and hung in the mechanical equipment room where directed. The other copy is to be submitted to the Engineer before completion of the work.

E. Approved Sprinkler Piping Drawings: Working plans, prepared according to NFPA 13, that have been approved by the Engineer and authorities having jurisdiction. Include hydraulic calculations.

F. Field Test Reports and Certificates: As specified in "Field Quality Control" and "Commissioning" Articles in Part 3 of this Section. Indicate and interpret test results for compliance with performance requirements and as described in NFPA 13 and NFPA 14. Include "Contractor's Material and Test Certificate for Aboveground Piping" and "Contractor's Material and Test Certificate for Underground Piping."

G. Maintenance Data: For each type of standpipe and sprinkler specialty to include in maintenance manuals specified in Division 1.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. An experienced installer who has designed, installed, and obtained approvals for fire-suppression piping similar to that indicated for this Project.

2. Prior to commencing work, submit data showing that the Contractor has successfully installed fire extinguishing standpipe systems of the same type and design as specified herein, or that he has a firm contractual agreement with a subcontractor having the required experience. Include the names and locations of at least two installations where the Contractor, or the subcontractor referred to above, has installed such systems. Indicate the type and design of each system, and certify that the system has performed satisfactorily for a period of at least 18 months.

3. Qualifications of System Technician: Installation drawings, Shop Drawings and Record (As-Built) Drawings shall be prepared, by or under the supervision of, an individual who is experienced with the types of works specified herein. [The Contractor shall submit data for approval showing the name and certification of all involved individuals with such qualifications at or prior to submittal of drawings.]

B. Engineering Responsibility: Preparation of working plans, calculations, and field test reports by a qualified professional engineer. Base calculations on results of fire-hydrant flow test.

C. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of fire-suppression piping that are similar to those indicated for this Project in material, design, and extent.




D. Manufacturer Qualifications: Firms whose equipment, specialties, and accessories are listed by product name and manufacturer in UL's "Fire Protection Equipment Directory" and FM's "Fire Protection Approval Guide" and that comply with other requirements indicated.

E. Standpipe and Sprinkler Components: Listing/approval stamp, label, or other marking by a testing agency acceptable to the Engineer and authorities having jurisdiction.

F. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to the Engineer.

G. NFPA Standards: Equipment, specialties, accessories, installation, and testing complying with the following:

1. NFPA 13, "Installation of Sprinkler Systems." 2. NFPA 14, "Standpipe and Hose Systems." 3. NFPA 231, "General Storage." 4. NFPA 231C, "Rack Storage of Materials."

H. Acceptance Testing: Final acceptance testing and demonstration of the system shall be conducted in the presence of and to the satisfaction of the KSA fire authorities, as outlined in Part 3 - Execution.

1.7 EXTRA MATERIALS

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

1. Sprinkler Cabinets: Finished, wall-mounting steel cabinet and hinged cover, with space for a minimum of 6 spare sprinklers plus sprinkler wrench. Include the number of sprinklers required by NFPA 13 and wrench for sprinklers. Include separate cabinet with sprinklers and wrench for each type of sprinkler on Project.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

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

1. Specialty Valves and Devices:

a. Badger Fire Protection, Inc. b. Central Sprinkler Corp. c. Grinnell Corp. d. Reliable Automatic Sprinkler Co., Inc. e. Star Sprinkler Corp. f. Viking Corp.

2. Water-Flow Indicators and Supervisory Switches:

a. Gamewell Co.




b. Grinnell Corp. c. Pittway Corp.; System Sensor Div. d. Potter Electric Signal Co. e. Reliable Automatic Sprinkler Co., Inc. f. Viking Corp. g. Watts Industries, Inc.; Water Products Div.

3. Sprinkler Test Fittings:

a. Central Sprinkler Corp. b. Elkhart Brass Mfg. Co., Inc. c. Fire-End and Croker Corp. d. Grinnell Corp. e. Smith Industries, Inc.; Potter-Roemer Div. f. Triple R Specialty of Ajax, Inc. g. Victaulic Co. of America.

4. Fire Department Connections:

a. Badger Fire Protection, Inc. b. Elkhart Brass Mfg. Co., Inc. c. Fire-End and Croker Corp. d. Grinnell Corp. e. Reliable Automatic Sprinkler Co., Inc. f. Smith Industries, Inc.; Potter-Roemer Div.

5. Sprinklers:

a. Badger Fire Protection, Inc. b. Central Sprinkler Corp. c. Grinnell Corp. d. Reliable Automatic Sprinkler Co., Inc. e. Star Sprinkler Corp. f. Viking Corp.

6. Hose Connections and Hose Stations:

a. Badger Fire Protection, Inc. b. Elkhart Brass Mfg. Co., Inc. c. Fire-End and Croker Corp. d. Smith Industries, Inc.; Potter-Roemer Div.

7. Indicator and Service Valves:

a. Central Sprink, Inc. b. Grinnell Corp. c. McWane, Inc.; Kennedy Valve Div. d. Milwaukee Valve Co., Inc. e. Nibco, Inc. f. Stockham Valves & Fittings, Inc. g. Victaulic Co. of America.

8. Keyed Couplings and Press-Seal Fittings for Steel Piping:

a. Central Sprink, Inc.




b. Grinnell Corp. c. Victaulic Co. of America.

9. Mechanically Formed Tee Outlets:

a. T-Drill Industries, Inc.

2.2 PIPING MATERIALS

A. Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting, and joining materials.

2.3 PIPES

A. Steel Pipe, DN 50 and Smaller: ASTM A 53, Type S (seamless), Grade A, Schedule 40, black steel, with threaded ends.

B. Steel Pipe, DN 75 through DN 450 : ASTM A 106 (electric-resistance welded), Grade B, black steel, plain or beveled ends.

C. Steel Pipe, DN 500 and Larger: API 5L Grade (B) (helical spiral welded).

2.4 PIPE FITTINGS

A. Steel, Threaded Couplings: ASTM A 865.

B. Steel Flanges and Flanged Fittings: ASME B16.5.

C. Steel, Grooved-End Fittings: UL-listed and FM-approved, ASTM A 47M , malleable iron or ASTM A 536, ductile iron; with dimensions matching steel pipe and ends factory grooved according to AWWA C606.

2.5 JOINING MATERIALS

A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for pipe-flange gasket materials and welding filler metals.

B. Steel, Keyed Couplings: UL 213 and AWWA C606, for steel-pipe dimensions. Include ASTM A 536, ductile-iron housing, rubber gaskets, and steel bolts and nuts. Include listing for dry-pipe service for couplings for dry piping.

C. Gaskets: shall be Grade "E" EPDM compound (green color coded) conforming to ASTM D 2000, UL listed classified to ANSI/NSF 61 for water supply systems and flush seal gaskets for dry service. All gaskets shall be selected as per manufacturer's recommendation according to service application. Gaskets must be manufactured by the same source for couplings and fittings to secure compatibility.




2.6 POLYETHYLENE ENCASEMENT

A. Polyethylene Encasement for Ductile-Iron Piping: ASTM A 674 or AWWA C105, film, 0.20 mm minimum thickness, tube or sheet.

B. Steel, Keyed Couplings: UL 213 and AWWA C606, for steel-pipe dimensions. Include ASTM A 536, ductile-iron housing, rubber gaskets, and steel bolts and nuts. Include listing for dry-pipe service for couplings for dry piping.

2.7 GENERAL-DUTY VALVES

A. Refer to Division 15 Section "Valves" for gate, ball, butterfly, globe, and check valves not required to be UL listed and FM approved.

2.8 FIRE-PROTECTION-SERVICE VALVES

A. General: Provide valves of types approved for fire service, UL listed and FM approved, with minimum 1200 kPa nonshock working-pressure rating. Hose and gate valves shall open by counterclockwise rotation. Provide isolation and check valves as required by NFPA 14. Isolation valves shall be OS&Y type. Check valves shall be flanged clear opening swing-check type with flanged inspection and access cover plate for sizes 100 mm and larger. Valves for grooved-end piping may be furnished with grooved ends instead of type of ends specified.

B. Gate Valves, DN50 and Smaller: UL 262; cast-bronze, threaded ends; solid wedge; OS&Y; and rising stem.

C. Indicating Valves, DN65 and Smaller: UL 1091; butterfly or ball-type, bronze body with threaded ends; and integral indicating device.

D. Gate Valves, DN65 and Larger: UL 262, iron body, bronze mounted, taper wedge, OS&Y, and rising stem. Include replaceable, bronze, wedge facing rings and flanged ends; and integral indicating device.

E. Indicating Device: Electrical 120 V ac, prewired, single-circuit, supervisory switch.

F. Swing Check Valves, DN50 and Smaller: UL 312 or MSS SP-80, Class 150; bronze body with bronze disc and threaded ends.

G. Swing Check Valves, DN65 and Larger: UL 312, cast-iron body and bolted cap, with bronze disc or cast-iron disc with bronze-disc ring and flanged ends.

H. Split-Clapper Check Valves, DN100 and Larger: UL 312, cast-iron body with rubber seal, bronze-alloy discs, and stainless-steel spring and hinge pin.

2.9 SPECIALTY VALVES

A. Alarm Check Valves: UL 193, 1200 kPa working pressure; designed for horizontal or vertical installation, with cast-iron flanged inlet and outlet, bronze grooved seat with O-ring seals, and single-hinge pin and latch design. Include trim sets for bypass, drain, electric sprinkler alarm switch, pressure gages, retarding chamber, and fill-line attachment with strainer.




1. Option: Grooved-end connections for use with keyed couplings. 2. Drip Cup Assembly: Pipe drain without valves, and separate from main drain piping. 3. Drip Cup Assembly: Pipe drain with check valve to main drain piping.

B. Preactioned Valves: UL 260, cast-iron body, shall be electrically-actuated, differential-pressure type and rated for a working pressure of 1207 kPa. Valve shall be capable of being reset without opening the valve. Electrical solenoid valve used to actuate the water control valve shall be an integral component of the valve or shall be approved for use by the water control valve manufacturer. Solenoid valve shall be rated at 24 volts direct current, and shall be normally closed type that operates when energized. Solenoid valves shall be rated for a maximum pressure differential of 1207 kPa. Water control valve shall be equipped with a means to prevent the valve from returning to the closed position until being manually reset. Assembly shall be complete with the valve manufacturer's standard trim piping, drain and test valves, pressure gauges, and other required appurtenances. Each assembly shall include an emergency release device for manually tripping the water control valve in the event of a power or other system failure. Device shall be a standard accessory component of the valve manufacturer and shall be labeled as to its function and method of operation. Valves located in hazardous locations shall be approved for the hazard classification of the area where located.,. .

1. Option: Grooved-end connections for use with grooved-end piping. 2. Wet, Pilot-Line Trim Set: Include gage to read push-rod chamber pressure, globe

valve for manual operation of deluge valve, and connection for actuation device.

C. Pressure-Regulating Valves: UL 1468, 2760 kPa minimum rating, brass. Include DN40 or DN65 , female NPS inlet and outlet; adjustable setting feature; and straight or 90 degree angle pattern design as indicated.

1. Finish: Rough chrome-plated.

D. Ball Drip Valves: UL 1726, automatic drain valve, DN20, ball check device with threaded ends.

E. Waterflow Test Connection: Provide test connections approximately 1.83 m above the floor for each standpipe system or portion of each standpipe system equipped with an alarm device; locate downstream and adjacent to each alarm actuating device. Provide test connection piping to a location where the discharge will be readily visible and where water may be discharged without property damage. Discharge to janitor sinks or similar fixtures shall not be permitted. Provide discharge orifice equivalent to 15 mm sprinkler orifice.

F. Pressure Reducing Valve: Vale shall be UL listed, hydraulically operated, diaphragm actuated, pilot controlled. Pressure reducing pilot shall be field adjustable, direct acting, diaphragm type, modulating pilot valve containing a needle valve for valve closing speed adjustment. The valve and pilot system shall be manufactured by the same supplier.

1. End Details: Flanged (BS Class) 2. Pressure Rating: 300 psi 3. Valve Body and Actuator: Ductile Iron 4. Main Valve Trim: Stainless Steel 5. Diaphragm & Seals: NBR 6. Pilot System: Bronze




G. Main Drains: Provide separate drain piping to discharge at safe points outside each building or to sight cones attached to drains of adequate size to readily receive the full flow from each drain under maximum pressure. Provide auxiliary drains as required by NFPA 13 and NFPA 14.

H. Double-check backflow prevention assembly shall comply with ASSE 1015. The assembly shall have a bronze or stainless-steel body with flanged ends. The assembly shall include pressure gage test ports and OS&Y shutoff valves on the inlet and outlet, 2-positive-seating check valve for continuous pressure application, and four test cocks. Assemblies shall be rated for working pressure of 1207 kPa. The maximum pressure loss shall be 40 kPa at a flow rate equal to the sprinkler water demand, at the location of the assembly. A test port for a pressure gage shall be provided both upstream and downstream of the double check backflow prevention assembly valves.

2.10 MANUAL CONTROL STATIONS

A. Manual Control Stations: Hydraulic operation, with union, DN15 pipe nipple, and bronze ball valve. Include metal enclosure labeled "MANUAL CONTROL STATION" with operating instructions and cover held closed by breakable strut to prevent accidental opening.

2.11 SPRINKLERS

A. Automatic Sprinklers: With heat-responsive element complying with the following:

1. UL 199, for applications except residential. 2. UL 1767, for early suppression, fast-response applications.

B. Sprinklers for preaction systems shall be automatic, fusible solder or glass bulb type. Sprinklers with internal O-rings shall not be used. Sprinklers shall be used in accordance with their listed coverage limitations. Sprinklers in high heat areas including attic spaces shall have temperature classification in accordance with NFPA 13. Extended coverage sprinklers shall not be used.

C. Sprinkler types, features, and options include the following:

1. Upright sprinklers. (SP-1) 2. Pendent sprinklers. (Sp-2) 3. Sidewall sprinklers, including escutcheon. (SP-3) 4. Open Type sprinkler used in water curtains (SP-4)

D. Sprinkler Finishes: Chrome-plated, bronze, and painted.

E. Special Coatings: Wax, lead, and corrosion-resistant paint.

F. 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, 1 piece, flat. 2. Ceiling Mounting: Chrome-plated steel, 2 piece, with 25 mm vertical adjustment. 3. Sidewall Mounting: Chrome-plated steel, 1 piece, flat.




G. Sprinkler Guards: Wire-cage type, including fastening device for attaching to sprinkler.

2.12 SPECIALTY SPRINKLER FITTINGS

A. Specialty Fittings: UL listed and FM approved; made of steel, ductile iron, or other materials compatible with piping.

B. Dry-Pipe-System Fittings: UL listed for dry-pipe service.

C. Press-Seal Fittings: UL 213, steel housing with butylene O-rings and pipe stop.

D. Locking-Lug Fittings: UL 213, ductile-iron body with locking-lug ends.

E. Mechanical-T Fittings: UL 213, ductile-iron housing with pressure-responsive gasket, bolts, and threaded or locking-lug outlet.

F. Mechanical-Cross Fittings: UL 213, ductile-iron housing with pressure-responsive gaskets, bolts, and threaded or locking-lug outlets.

G. Drop-Nipple Fittings: UL 1474, with threaded inlet, threaded outlet, and seals; adjustable.

H. Sprinkler, Drain and Alarm Test Fittings: UL-listed, cast- or ductile-iron body; with threaded inlet and outlet, test valve, and orifice and sight glass.

I. Sprinkler, Branch-Line Test Fittings: UL-listed, brass body; with threaded inlet and capped drain outlet and threaded outlet for sprinkler.

J. Sprinkler, Inspector's Test Fittings: UL-listed, cast- or ductile-iron housing; with threaded inlet and drain outlet and sight glass.

2.13 HOSE CONNECTIONS

A. Description: UL 668, 2070 kPa minimum pressure rating, brass, hose valve for connecting fire hose. Include 90-degree angle pattern design; female NPS inlet and male hose outlet; and lugged cap, gasket, and chain. Include DN25 or DN65 as indicated, and hose valve threads according to NFPA 1963 and matching local fire department threads.

1. Valve Operation: Pressure-regulating type. 2. Finish: Rough chrome-plated.

2.14 HOSE STATIONS

A. Provide [recessed OR surface as indicated on drawings]-mounted cabinets where indicated. Cabinets shall be prime grade, stainless-steel 316. On each jamb, provide at least two anchors or reinforcements spaced approximately 610 mm apart for building in or attaching the cabinets to adjacent construction. Doors shall be flush hollow metal type with full glazed opening. Provide door with continuous concealed hinge, latch and pull. Hinge door for 180 degree opening. Glass shall conform to ASTM C 1036 and shall be tempered, Quality q 8 (glazing quality), diamond or square wire mesh, 6.35 mm thick. Fabricate cabinet with sufficient interior space to store one fire extinguisher.




B. DN65 and DN40 Hose Stations (FHC-1) & (FHC-2): DN65 hose valve with male threaded outlet, cap, and chain and DN40 hose valve; hose rack with water-retention device and pins for folded, DN40 linen hose; with swivel inlet coupling and nozzle. Cabinet includes two compartments one for firefighting equipment and the other for fire alarm manual panel and a space for emergency telephone.

1. Hose-Rack Finish: Stainlesssteel. 2. Hose Valve and Trim Finish: Rough brass. 3. Fire Hose: 50m length folded length of 40mm diameter high pressure fire rack. 4. Nozzle: Brass, adjustable from shutoff to fog spray or straight stream. 5. Refer to electrical specifications for FHC-2 cabinet combined with electrical panel. 6. Dimensions to be as per design darwings.

C. Spare Parts: Provide 1 percent of the nozzles as spare parts.

2.15 MONITORS

A. Description: UL-listed, stationary, single-waterway type for 47.3 L/s water stream. Include the following features:

1. Waterway: DN65 minimum, brass tube. 2. Operation: Lever handle. 3. Horizontal Rotation: 360 degrees with locking device. 4. Vertical Rotation: 80 degree elevation and 60 degree depression with locking device. 5. Nozzle: Brass, adjustable from shutoff to fog spray or straight stream.

2.16 FIRE DEPARTMENT CONNECTIONS

A. Wall, Fire Department Connections: UL 405; cast-brass body with brass, wall, escutcheon plate; brass, lugged caps with gaskets and brass chains; and brass, lugged swivel connections. Include inlets with threads according to NFPA 1963 and matching local fire department sizes and threads, outlet with pipe threads, extension pipe nipples, check devices or clappers for inlets, and escutcheon plate with marking "AUTO SPKR & STANDPIPE." Fire department connections shall be suitable for use by Civil Defense

1. Type: Flush mounting. As Indicated On Drawings 2. Type: Exposed, projecting mounting. As Indicated On Drawings 3. Escutcheon Plate: Round. 4. Escutcheon Plate: Square. 5. Escutcheon Plate: Rectangular. 6. Finish: Polished chrome-plated. 7. Finish: Rough chrome-plated. 8. Finish: Polished brass.

B. Exposed, Freestanding, Fire Department Connections: UL 405, cast-brass body, inlets with threads according to NFPA 1963 and matching local fire department sizes and threads, and bottom outlet with pipe threads. Include brass, lugged caps, gaskets, and brass chains; brass, lugged swivel connection and drop clapper for each hose-connection inlet; 450-mm high brass sleeve; and round, floor, brass, escutcheon plate with marking "AUTO SPKR & STANDPIPE." Fire department connections shall be suitable for use by Civil Defense

1. Finish Including Sleeve: Polished chrome-plated. 2. Finish Including Sleeve: Rough chrome-plated.




3. Finish Including Sleeve: Polished brass.

2.17 ALARM DEVICES

A. General: Types matching piping and equipment connections.

B. Water-Motor-Operated Alarms: UL 753, mechanical-operation type with pelton-wheel operator with shaft length, bearings, and sleeve to suit wall construction and 250 mm diameter, cast-aluminum alarm gong with red enamel factory finish. Include DN20 inlet and DN25 drain connections.

C. Water-Flow Indicators: UL 346; electrical-supervision, vane-type water-flow detector; with 1725 kPa pressure rating; and designed for horizontal or vertical installation. Include 2 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.

D. Pressure Switches: UL 753; electrical-supervision-type, water-flow switch with retard feature. Include single-pole, double-throw, normally closed contacts and design that operates on rising pressure and signals water-flow.

E. Valve Supervisory Switches: Provide valve supervisory switch(es) to monitor the open position of valve(s) controlling water supply to the standpipe system, UL 753; electrical; single-pole, double throw; with normally closed contacts. Include design that signals controlled valve is in other than fully open position. Switch contacts shall transfer from the normal (valve open) position to the off-normal (valve closed) position during the first 2 revolutions of the hand wheel or when the stem of the valve has moved not more than one-fifth of the distance from its normal position. Switch shall be tamper resistant. Removal of the cover shall cause switch to operate into the off-normal position.

F. Indicator-Post Supervisory Switches: UL 753; electrical; single-pole, double throw; with normally closed contacts. Include design that signals controlled indicator-post valve is in other than fully open position.

2.18 PRESSURE GAGES

A. Pressure Gages: UL 393, 90 to 115 mm diameter dial with dial range of 0 to 1725 kPa.

2.19 CONTROL PANELS

A. Description: Single-area, two-area, or single-area cross-zoned type as indicated. Control panel includes NEMA ICS 6, Type 1 enclosure, detector, alarm, and solenoid-valve circuitry for operation of deluge valves. Panels contain power supply; battery charger; standby batteries; field-wiring terminal strip; electrically supervised solenoid valves and polarized fire alarm bell; lamp test facility; single-pole, double-throw auxiliary alarm contacts; and rectifier.

1. Panels: UL listed and FM approved when used with thermal detectors and Class A detector circuit wiring. Electrical characteristics are [120-V]ac, [60 Hz], with 24-V dc rechargeable batteries.




2. Manual Control Stations: Electric operation, metal enclosure, labeled "MANUAL CONTROL STATION" with operating instructions and a cover held closed by breakable strut.

3. Manual Control Stations: Hydraulic operation, with union, DN15 pipe nipple, and bronze ball valve. Include metal enclosure labeled "MANUAL CONTROL STATION" with operating instructions and a cover held closed by breakable strut.

PART 3 - EXECUTION

3.1 GENERAL

A. Equipment, materials, installation, workmanship, fabrication, assembly, erection, examination, inspection, and testing shall be in accordance with the NFPA standards referenced herein.

B. The system piping shall be protected against damage from earthquakes. Seismic protection shall include flexible and rigid couplings, sway bracing, seismic separation assemblies where piping crosses building seismic separation joints, and other features as required by NFPA 13 for protection of piping against damage from earthquakes.

C. Provide fittings for changes in direction of piping and for all connections Make changes in piping sizes through standard reducing pipe fittings; do not use bushings. Cut pipe accurately and work into place without springing or forcing.

D. Ream pipe ends and free pipe and fittings from burrs. Clean with solvent to remove all varnish and cutting oil prior to assembly. Make screw joints with PTFE tape applied to male thread only.

E. Exposed piping shall be installed so as not to diminish exit access widths, corridors, or equipment access. Exposed horizontal piping, including drain piping, shall be installed to provide maximum headroom.

F. In areas with suspended or dropped ceilings and in areas with concealed spaces above the ceiling, piping shall be concealed above ceilings. Piping shall be inspected, tested, and approved before being concealed. Risers and similar vertical runs of piping in finished areas shall be concealed. Install piping straight and true to bear evenly on hangers and supports. Conceal piping to the maximum extent possible.

3.2 PREPARATION

A. Perform fire-hydrant flow test according to NFPA 13 and NFPA 291. Use results for system design calculations required in "Quality Assurance" Article in Part 1 of this Section.

B. Report test results promptly and in writing.

3.3 EARTHWORK

A. Refer to Division 2 Section "Earthwork" for excavating, trenching, and backfilling.




3.4 EXAMINATION

A. Examine roughing-in for hose connections and stations to verify actual locations of piping connections before installation.

B. Examine walls and partitions for suitable thickness, fire- and smoke-rated construction, framing for hose-station cabinets, and other conditions where hose connections and stations are to be installed.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.5 PIPING APPLICATIONS

A. Do not use welded joints with galvanized steel pipe.

B. Flanges, unions, and transition and special fittings with pressure ratings the same as or higher than system's pressure rating may be used in aboveground applications, unless otherwise indicated.

C. Piping between Fire Department Connections and Check Valves: Use galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints.

D. Piping between Fire Department Connections and Check Valves: Use galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

E. Underground Service-Entrance Piping: RTRP (GRE) pipe and fittings. Refer to Division 15, Section Water Distribution Piping for pipes underground and upstream of backflow preventer.

1. Standpipes: Use the following: 1. DN100 and Smaller: Galvanized, standard-weight steel pipe with grooved ends;

steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 2. DN125 and DN150: Galvanized, standard-weight steel pipe with grooved ends;

steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 3. DN200 and Larger: Galvanized, standard-weight steel pipe with grooved ends;

steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

F. Wet-Pipe Sprinklers: Use the following:

1. DN40 and Smaller: Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints.

2. DN50: Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

3. DN65 to DN90: Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

4. DN100: Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

5. DN125 and DN150: Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.




G. Dry-Pipe Sprinklers: Use the following:

1. Sprinkler-Piping Option: Mechanical-T bolted-branch-outlet fittings, DN50 and smaller, may be used downstream from sprinkler zone valves.

2. DN40 and Smaller: Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints.

3. DN50 : Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

4. DN65 to DN100 : Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints.

3.6 VALVE APPLICATIONS

A. Drawings indicate valve types to be used. Where specific valve types are not indicated, the following requirements apply:

1. Fire-Protection-Service Valves: UL listed and FM approved for applications where required by NFPA 13 and NFPA 14.

a. Shutoff Duty: Use gate valves.

3.7 JOINT CONSTRUCTION

A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction.

B. Steel-Piping, Grooved Joints: Use Schedule 40 steel pipe with cut and roll-grooved ends. Assemble joints with couplings, gaskets, lubricant, and bolts according to coupling manufacturer's written instructions. Use gaskets listed for dry-pipe service for dry piping.

C. Press-Seal-Fitting Joints: Use UL-listed tool and procedure and follow fitting manufacturer's written instructions. Include use of specific equipment, pressure-sealing tool, and accessories.

D. Locking-Lug-Fitting, Twist-Locked Joints: Follow fitting manufacturer's written instructions.

3.8 SERVICE-ENTRANCE PIPING

A. Connect standpipe and sprinkler piping to water-service piping of size and in location indicated for service entrance to building. Refer to Division 2 Section "Water Distribution" for exterior piping.

B. Install shutoff valve, backflow preventer, pressure gage, drain, and other accessories indicated at connection to water-service piping. Refer to Division 2 Section "Water Distribution" for backflow preventers.

3.9 WATER-SUPPLY CONNECTION

A. Connect standpipe and sprinkler piping to building interior water distribution piping. Refer to Division 15 Section "Water Distribution Piping" for interior piping.




B. Install shutoff valve, backflow preventer, pressure gage, drain, and other accessories indicated at connection to water distribution piping. Refer to Division 15 Section "Plumbing Specialties" for backflow preventers.

3.10 PIPING INSTALLATION

A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation.

B. 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 the Engineer and authorities having jurisdiction. File written approval with the Engineer before deviating from approved working plans.

C. Install underground service-entrance piping according to NFPA 24 and with restrained joints.

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

E. Install unions adjacent to each valve in pipes DN50 and smaller. Unions are not required on flanged devices or in piping installations using grooved joints.

F. Install flanges or flange adapters on valves, apparatus, and equipment having DN65 and larger connections.

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

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

I. Install sprinkler zone control valves, test assemblies, and drain risers adjacent to standpipes when sprinkler piping is connected to standpipes.

J. Install drain valves on standpipes.

K. Install ball drip valves to drain piping between fire department connections and check valves. Drain to floor drain or outside building.

L. Install alarm devices in piping systems.

M. Hangers and Supports: Comply with NFPA 13 for hanger materials. Install according to NFPA 13 for sprinkler piping and to NFPA 14 for standpipes.

N. Earthquake Protection: Install piping according to NFPA 13 to protect from earthquake damage.

O. Install piping with grooved joints according to manufacturer's written instructions. Construct rigid piping joints, unless otherwise indicated.




P. 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 DN8 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.

3.11 VALVE INSTALLATION

A. Refer to Division 15 Section "Valves" for installing general-duty valves. Install fire-protection specialty valves, trim, fittings, controls, and specialties according to NFPA 13 and NFPA 14, manufacturer's written instructions, and authorities having jurisdiction.

B. Gate Valves: Install fire-protection-service valves supervised-open, located to control sources of water supply except from fire department connections. Provide permanent identification signs indicating portion of system controlled by each valve.

C. Valves for Wall Fire Hydrants: Install gate valve with nonrising stem in supply pipe.

D. Install check valve in each water-supply connection. Install backflow preventers instead of check valves in potable-water supply sources.

E. Alarm Check Valves: Install valves in vertical position for proper direction of flow, including bypass check valve and retard chamber drain-line connection.

F. Deluge Valves: Install in vertical position, in proper direction of flow, in main supply to deluge system.

3.12 SPRINKLER APPLICATIONS

A. General: Use sprinklers according to the following applications:

1. Rooms without Ceilings: Upright sprinklers. 2. Rooms with Suspended Ceilings: Pendent, recessed, flush, and concealed sprinklers,

as indicated. 3. Wall Mounting: Sidewall sprinklers. 4. Special Applications: Use extended-coverage, flow-control, and quick-response

sprinklers where indicated. 5. Sprinkler Finishes: Use sprinklers with the following finishes:

a. Upright, Pendent, and Sidewall Sprinklers: Chrome-plated in finished spaces exposed to view; rough bronze in unfinished spaces not exposed to view; wax coated where exposed to acids, chemicals, or other corrosive fumes.

b. Concealed Sprinklers: Rough brass, with factory-painted white cover plate. c. Flush Sprinklers: Bright chrome, with painted white escutcheon. d. Recessed Sprinklers: Bright chrome, with bright chrome escutcheon.

3.13 SPRINKLER INSTALLATION

A. Install sprinklers in patterns indicated.

B. Install sprinklers in suspended ceilings in center of acoustical panels and tiles.




C. Pendent Sprinklers: Drop nipples to pendent sprinklers shall consist of minimum 25 mm pipe with a reducing coupling into which the sprinkler shall be threaded. Hangers shall be provided on arm-overs to drop nipples supplying pendent sprinklers when the arm-over exceeds 300 mm. Where sprinklers are installed below suspended or dropped ceilings, drop nipples shall be cut such that sprinkler ceiling plates or escutcheons are of a uniform depth throughout the finished space. The outlet of the reducing coupling shall not extend more than 25 mm below the underside of the ceiling. On pendent sprinklers installed below suspended or dropped ceilings, the distance from the sprinkler deflector to the underside of the ceiling shall not exceed 100 mm. Recessed pendent sprinklers shall be installed such that the distance from the sprinkler deflector to the underside of the ceiling shall not exceed the manufacturer's listed range and shall be of uniform depth throughout the finished area.

D. Upright Sprinklers: Riser nipples or "sprigs" to upright sprinklers shall contain no fittings between the branch line tee and the reducing coupling at the sprinkler. Riser nipples exceeding 750 mm in length shall be individually supported.

3.14 HOSE-CONNECTION INSTALLATION

A. Install hose connections adjacent to standpipes, unless otherwise indicated.

B. Install freestanding hose connections for access and minimum passage restriction.

C. Install DN25 hose-connection valves with flow restricting device, unless otherwise indicated.

D. Install DN65 hose connections with quick-disconnect DN65 to DN40 reducer adapter and flow- restricting device, unless otherwise indicated.

E. Install wall-mounting-type hose connections in cabinets. Include pipe escutcheons, with finish matching valves, inside cabinet where water-supply piping penetrates cabinet. Install valves at angle required for connection of fire hose. Refer to Division 10 Section "Fire-Protection Specialties" for cabinets.

3.15 HOSE-STATION INSTALLATION

A. Install freestanding hose stations for access and minimum passage restriction.

B. Install DN25 hose-station valves with flow-restricting device, unless otherwise indicated.

C. Install DN65 hose connections with quick-disconnect DN65 by DN40 reducer adapter and flow- restricting device, unless otherwise indicated.

D. Install freestanding hose stations with support or bracket attached to standpipe or substrate.

E. Install wall-mounting, rack-type hose stations in cabinets. Include pipe escutcheons, with finish matching valves, inside cabinet where water-supply piping penetrates cabinet. Install valves at angle required for connection of fire hose. Cabinets are specified in Division 10 Section "Fire-Protection Specialties."

F. Install hose-reel hose stations on wall with bracket attached to substrate.




3.16 ROOF HOSE CABINET INSTALLATION

A. Install cabinets according to manufacturer's written instructions.

3.17 CONNECTIONS

A. Connect water-supply piping and standpipes and sprinklers to fire pumps. Include backflow preventers.

B. Install ball drip valves at each check valve for fire department connection. Drain to floor drain or outside building.

C. Connect piping to specialty valves, hose valves, specialties, fire department connections, and accessories.

D. Electrical Connections: Power wiring is specified in Division 16.

E. Connect alarm devices to fire alarm.

F. Connect excess-pressure pumps to the following piping and wiring:

1. Sprinkler system, hydraulically. 2. Pressure gages and controls, hydraulically. 3. Electrical power system. 4. Alarm device accessories for pump. 5. Fire alarm system.

3.18 LABELING AND IDENTIFICATION

A. Install labeling and pipe markers on equipment and piping according to requirements in NFPA 13 and NFPA 14 and in Division 15 Section "Mechanical Identification."

3.19 FIELD QUALITY CONTROL

A. Flush, test, and inspect sprinkler piping according to NFPA 13, "System Acceptance" Chapter.

B. Flush, test, and inspect standpipes according to NFPA 14, "Tests and Inspection" Chapter.

C. Replace piping system components that do not pass test procedures and retest to demonstrate compliance. Repeat procedure until satisfactory results are obtained.

D. Report test results promptly and in writing to Engineer and authorities having jurisdiction.

3.20 CLEANING

A. Clean dirt and debris from sprinklers.

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




3.21 PROTECTION

A. Protect sprinklers from damage until Substantial Completion.

3.22 COMMISSIONING

A. Verify that specialty valves, trim, fittings, controls, and accessories are installed and operate correctly.

B. Verify that excess-pressure pumps and accessories are installed and operate correctly.

C. Verify that air compressors and their accessories are installed and operate correctly.

D. Verify that specified tests of piping are complete.

E. Verify that damaged sprinklers and sprinklers with paint or coating not specified are replaced with new, correct type.

F. Verify that sprinklers are correct types, have correct finishes and temperature ratings, and have guards as required for each application.

G. Verify that potable-water supplies have correct types of backflow preventers.

H. Drain dry-pipe sprinkler piping.

I. Verify that hose connections and fire department connections have threads compatible with local fire department equipment.

J. Fill wet-pipe sprinkler piping with water.

K. Fill standpipes with water.

L. Verify that hose connections are correct type and size.

M. Verify that hose stations are correct type and size.

N. Energize circuits to electrical equipment and devices.

O. Start and run excess-pressure pumps.

P. Start and run air compressors.

Q. Adjust operating controls and pressure settings.

R. Coordinate with fire alarm tests. Operate as required.

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

3.23 PRELIMINARY TESTS

A. The system, including the underground water mains, and the aboveground piping and system components, shall be tested to assure that equipment and components function as intended. The underground and aboveground interior piping systems and attached




appurtenances subjected to system working pressure shall be tested in accordance with NFPA 13, NFPA 14 and NFPA 24.

B. Upon completion of specified tests, the Contractor shall complete certificates as specified in paragraph SUBMITTALS.

C. Underground Piping:

1. Flushing: Underground piping shall be flushed in accordance with NFPA 24. This includes the requirement to flush the lead-in connection to the fire protection system at a flow rate not less that the calculated maximum water demand rate of the system.

2. Hydrostatic Testing: New underground piping shall be hydrostatically tested in accordance with NFPA 24. The allowable leakage shall be measured at the specified test pressure by pumping from a calibrated container. The amount of leakage at the joints shall not exceed 1.89 liters per hour per 100 gaskets or joints, regardless of pipe diameter.

D. Aboveground Piping

1. Hydrostatic Testing: Aboveground piping shall be hydrostatically tested in accordance with NFPA 13 and NFPA 14 at not less than 1400 kPa 350 kPa in excess of maximum system operating pressure and shall maintain that pressure without loss for 2 hours. There shall be no drop in gage pressure or visible leakage when the system is subjected to the hydrostatic test. The test pressure shall be read from a gage located at the low elevation point of the system or portion being tested.

2. Backflow Prevention Assembly Forward Flow Test: Each backflow prevention assembly shall be tested at system flow demand, including all applicable hose streams, as specified in NFPA 13 and NFPA 14. The Contractor shall provide all equipment and instruments necessary to conduct a complete forward flow test, including 65 mm diameter hoses, playpipe nozzles, calibrated pressure gages, and pitot tube gage. The Contractor shall provide all necessary supports to safely secure hoses and nozzles during the test. At the system demand flow, the pressure readings and pressure drop (friction) across the assembly shall be recorded. A metal placard shall be provided on the backflow prevention assembly that lists the pressure readings both upstream and downstream of the assembly, total pressure drop, and the system test flow rate. The pressure drop shall be compared to the manufacturer's data.

E. Testing of Alarm Devices: Each alarm switch shall be tested by flowing water through the inspector's test connection. Each water-operated alarm devices shall be tested to verify proper operation.

F. Main Drain Flow Test: Following flushing of the underground piping, a main drain test shall be made to verify the adequacy of the water supply. In addition, a main drain test shall be conducted each time after a main control valve is shut and opened.

3.24 FINAL ACCEPTANCE TEST

A. Final Acceptance Test shall begin only when the Preliminary Test Report has been approved. The Fire Protection Specialist shall conduct the Final Acceptance Test and shall provide a complete demonstration of the operation of the system in the presence and to the satisfaction of the authorities having jurisdiction. This shall include operation of control valves and flowing of inspector's test connections to verify operation of associated




waterflow alarm switches. After operation of control valves has been completed, the main drain test shall be repeated to assure that control valves are in the open position. In addition, the representative shall have available copies of as-built drawings and certificates of tests previously conducted. The installation shall not be considered accepted until identified discrepancies have been corrected and test documentation is properly completed and received and accepted by the authorities having jurisdiction.

3.25 DEMONSTRATION

A. Demonstrate equipment, specialties and accessories, and train the Employer's maintenance personnel to adjust, operate, and maintain fire-suppression piping and equipment. Refer to Division 1 Section "[Demonstration and Training] [Closeout Procedures]."

END OF SECTION 13915