B. Related Sections: The following Sections contain requirements that relate to this Section.

SECTION 211313- FIRE-SUPPRESSION PIPING PART1 -GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general prov1s1ons of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. B. Related Sections: The following Sections contain requirements that relate to this Section. 1. "Basic Mechanical Requirements." 2. "Basic Mechanical Materials and Methods." 3. Division 16 Section "Fire Alarm Systems" for alarm devices not in this Section. 1.2 SUMMARY A. This Section includes fire-suppression piping and equipment for the following building systems: 1. Automatic wet-type, fire-suppression standpipes and branches for sprinklers. 2. Wet-pipe, fire-suppression sprinklers, including piping, valves, specialties, and automatic sprinklers. 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 authorities having jurisdiction. 1.4 SUBMITTALS A. General: Submit the following in accordance with Conditions of Contract and Division 15 Section "Basic Mechanical Requirements." 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. 211313/1

3. Pipe hangers and supports. 4. Piping seismic restraints. 5. Valves, including specialty valves, accessories, and devices. 6. Alarm devices. Include electrical data. 7. Fire department connections. Include type; number, size, and arrangement of inlets; caps and chains; size and direction of outlet; escutcheon and marking; and finish. 8. Hose connections. Include size, type, and finish. 9. 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. 10. Sprinklers, escutcheons, and guards. Include sprinkler flow characteristics, mounting, finish, and other pertinent data. C. Approved Sprinkler Piping Drawings: Working plans, prepared according to NFPA 13, that have been approved by authorities having jurisdiction. Include hydraulic calculations, if applicable. D. Field Test Reports and Certificates: 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." E. Maintenance Data: For each type of standpipe and sprinkler specialty to include in maintenance manuals specified in Division 15 Section "Basic Mechanical Requirements." 1.5 QUALITY ASSURANCE A. Installer Qualifications: An experienced installer who has designed and installed firesuppression piping similar to that indicated for this Project and obtained design approval and inspection approval from authorities having jurisdiction. B. Engineering Responsibility: Preparation of working plans, calculations, and field test reports by a qualified professional engineer. Base calculations on results of firehydrant 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 211313/2

by a testing agency acceptable to 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 authorities having jurisdiction. 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." 1.6 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 six 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. Subject to compliance with requirements, provide products by one of the following: 1. Specialty Valves and Devices: a. Badger Fire Protection, Inc. b. Central Sprinkler Corp. c. Firematic Sprinkler Devices, Inc. d. Globe Fire Sprinkler Corp. e. Grinnell Corp. f. Reliable Automatic Sprinkler Co., Inc. g. Star Sprinkler Corp. h. 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. 211313/3

3. Sprinkler, Drain and Alarm Test Fittings: a. Central Sprinkler Corp. b. Fire-End and Croker Corp. c. Grinnell Corp. d. Victaulic Co. of America. 4. Sprinkler, Branch-Line Test Fittings: a. Elkhart Brass Mfg. Co., Inc. b. Fire-End and Croker Corp. c. Smith Industries, Inc.; Potter-Roemer Div. 5. Sprinkler, Inspector's Test Fittings: a. Fire-End and Croker Corp. b. G/J Innovations, Inc. c. Triple R Specialty of Ajax, Inc. 6. Fire Department Connections: a. Badger Fire Protection, Inc. b. Elkhart Brass Mfg. Co., Inc. c. Fire-End and Croker Corp. d. Firematic Sprinkler Devices, Inc. e. Grinnell Corp. f. Guardian Fire Equipment, Inc. g. Reliable Automatic Sprinkler Co., Inc. h. Smith Industries, Inc.; Potter-Roemer Div. 7. Sprinklers: a. Badger Fire Protection, Inc. b. Central Sprinkler Corp. c. Firematic Sprinkler Devices, Inc. d. Globe Fire Sprinkler Corp. e. Grinnell Corp. f. Reliable Automatic Sprinkler Co., Inc. g. Star Sprinkler Corp. h. Viking Corp. 8. Hose Connections and Hose Stations: a. Badger Fire Protection, Inc. b. Elkhart Brass Mfg. Co., Inc. c. Fire-End and Croker Corp. d. Guardian Fire Equipment, Inc. e. Smith Industries, Inc.; Potter-Roemer Div. 9. Roof Hose Cabinets: 211313/4

a. Fire-End and Croker Corp. b. Metal Cabinet Co. c. Smith Industries, Inc.; Potter-Roemer Div. d. Van Loon Industries, Inc. 10. Indicator Valves: a. Central Sprink, Inc. b. Grinnell Corp. c. McWane, Inc.; Kennedy Valve Div. d. Milwaukee Valve Co., Inc. e. Nibco, Inc. f. Victaulic Co. of America. 11. Fire-Protection-Service Valves: a. Central Sprink, Inc. b. Central Sprinkler Corp. c. Grinnell Corp. d. McWane, Inc.; Kennedy Valve Div. e. Nibco, Inc. f. Stockham Valves & Fittings, Inc. g. Victaulic Co. of America. 12. Keyed Couplings for Steel Piping: a. Central Sprink, Inc. b. Ductilic, Inc. c. Grinnell Corp. d. National Fittings, Inc. e. Star Pipe Products, Inc.; Star Fittings Div. f. Victaulic Co. of America. 13. Keyed Couplings for Ductile-Iron Piping: a. Victaulic Co. of America. 14. Keyed Couplings for Copper Tubing: a. Grinnell Corp. b. Victaulic Co. of America. 15. Press-Seal Fittings for Steel Piping: a. Victaulic Co. of America. 2.2 SYSTEM PERFORMANCE REQUIREMENTS A Design standpipes and sprinklers and obtain approval from authorities having jurisdiction. 211313/5

B. Design standpipes and obtain approval from authorities having jurisdiction. Include minimum residual pressures at hydraulically remote outlets according to the following: 1. NPS 1-1/2 (DN40) Hose Connections: 65 psig (450 kpa). 2. NPS 2-1/2 (DN65) Hose Connections: 100 psig (690 kpa). C. Design sprinkler piping according to the following and obtain approval from authorities having jurisdiction: 1. Include losses through water-service piping, valves, and backflow preventers. 2. Sprinkler Occupancy Hazard Classifications: As follows: a. Building Service Areas: Ordinary Hazard, Group 1. b. Electrical Equipment Rooms: Ordinary Hazard, Group 1. c. General Storage Areas: Ordinary Hazard, Group 1. d. Library Stack Areas: Ordinary Hazard, Group 2. e. Mechanical Equipment Rooms: Ordinary Hazard, Group 1. f. Office and Public Areas: Light Hazard. 3. Minimum Density for Automatic-Sprinkler Piping Design: As follows: a. Light-Hazard Occupancy: 0.10 gpm over 1500-sq. ft. (6.3 mlls over 139- sq. m) area. b. Ordinary-Hazard, Group 1 Occupancy: 0.15 gpm over 1500- sq. ft. (9.5 mlls over 139-sq. m) area. c. Ordinary-Hazard, Group 2 Occupancy: 0.20 gpm over 1500- sq. ft. (12.6 mlls over 139-sq. m) area. 4. Maximum Protection Area per Sprinkler: As follows: a. Office Space: 225 sq. ft. (20.9 sq. m). b. Storage Areas: 130 sq. ft. (12.1 sq. m). c. Mechanical Equipment Rooms: 130 sq. ft. (12.1 sq. m). d. Electrical Equipment Rooms: 130 sq. ft. (12.1 sq. m). e. Other Areas: According to NFPA 13 recommendations, unless otherwise indicated. D. Components and Installation: Capable of producing piping systems with 175-psig (1200-kPa) minimum working-pressure rating, unless otherwise indicated. 2.3 PIPING MATERIALS A Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting, and joining materials. 2.4 PIPES AND TUBES A Ductile-Iron Pipe: AWWA C 151, push-on-joint type; with cement-mortar lining and seal coat according to AWWA C104. Include rubber gasket according to 211313/6

AWWA C111. B. Standard-Weight Steel Pipe: ASTM A 53, ASTM A 135, or ASTM A 795; Schedule 40 in NPS 6 (DN150) and smaller, and Schedule 30 in NPS 8 (DN200) and larger. C. Schedule 30 Steel Pipe: ASTM A 135 or ASTM A 795, with wall thickness less than Schedule 40 and equal to or greater than Schedule 30 or ASTM A 795 and ASME B36.1 OM, Schedule 30 wrought-steel pipe. D. Schedule 10 Steel Pipe: ASTM A 135 or ASTM A 795, Schedule 10 in NPS 5 (DN125) and smaller and NFPA 13 specified wall thickness in NPS 6 to NPS 10 (DN150 to DN250). 2.5 PIPE AND TUBE FITTINGS A. Ductile-Iron Fittings: AWWA C11 0, ductile-iron or cast-iron push-on-joint type; or AWWA C153, ductile-iron, compact push-on-joint type. Include cement-mortar lining and seal coat according to AWWA C104 and rubber gaskets according to AWWA C111. B. Cast-Iron Threaded Flanges: ASME B16.1. C. Cast-Iron Threaded Fittings: ASME B16.4. D. Malleable-Iron Threaded Fittings: ASME B16.3. E. Steel, Threaded Couplings: ASTM A 865. F. Steel Welding Fittings: ASTM A 234/A 234M, ASME B16.9, or ASME B16.11. G. Steel Flanges and Flanged Fittings: ASME B16.5. H. Steel, Grooved-End Fittings: UL-Iisted and FM-approved, ASTM A 47 (ASTM A 47M), malleable iron or ASTM A 536, ductile iron; with dimensions matching steel pipe and ends factory grooved according to AWWA C606. 2.6 JOINING MATERIALS A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for pipe-flange gasket materials and welding filler metals. B. Ductile-Iron, Flanged Joints: AWWA C115, ductile-iron or gray-iron pipe flanges, rubber gaskets, and steel bolts and nuts. 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. 21 13 13/7

2.8 FIRE-PROTECTION-SERVICE VALVES A. General: UL listed and FM approved, with minimum 175-psig (1200-kPa) nonshock working-pressure rating. Valves for grooved-end piping may be furnished with grooved ends instead of type of ends specified. B. Gate Valves, NPS 2 (DN50) and Smaller: UL 262; cast-bronze, threaded ends; solid wedge; OS&Y; and rising stem. C. Indicating Valves, NPS 2-1/2 (DN65) and Smaller: UL 1091; butterfly or ball-type, bronze body with threaded ends; and integral indicating device. 1. Indicator: Visual. D. Gate Valves, NPS 2-1/2 (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. E. Indicator-Post, Gate Valves: UL 262, iron body, bronze mounted, solid-wedge disc, and nonrising stem with operating nut and flanged ends. F. Swing Check Valves, NPS 2-1/2 (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. 2.9 SPECIALTY VALVES A. Alarm Check Valves: UL 193, 175-psig (1200-kPa) working pressure; designed for horizontal or vertical installation, with cast-iron flanged inlet and outlet, bronze grooved seat with 0-ring seals, and single-hinge pin and latch design. Include trim sets for bypass, drain, electric sprinkler alarm switch, pressure gages, and fill-line attachment with strainer. 1. Option: Grooved-end connections for use with keyed couplings. 2. Drip Cup Assembly: Pipe drain with check valve to main drain piping. 2.10 SPRINKLERS A. Automatic Sprinklers: With heat-responsive element complying with the following: 1. UL 199, for applications except residential. B. Sprinkler Types and Categories: Nominal 1/2-inch (12.7-mm) orifice for "Ordinary" temperature classification rating, unless otherwise indicated or required by application. 1. Open Sprinklers: UL 199, without heat-responsive element. a. Orifice: 1/2 inch (12.7 mm), with discharge coefficient K between 5.3 and 5.8. 211313/8

C. Sprinkler types, features, and options include the following: 1. Flush ceiling sprinklers, including escutcheon. 2. Open sprinklers. 3. Pendent sprinklers. 4. Recessed sprinklers, including escutcheon. 5. Sidewall sprinklers. 6. Upright sprinklers. 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, one piece, flat. 2. Ceiling Mounting: Chrome-plated steel, two piece, with 1-inch (25-mm) vertical adjustment. 3. Sidewall Mounting: Chrome-plated steel, one piece, flat. G. Sprinkler Guards: Wire-cage type, including fastening device for attaching to sprinkler. 2.11 SPECIALTY SPRINKLER FITTINGS A. Specialty Fittings: UL listed and FM approved; made of steel, ductile iron, or other materials compatible with piping. B. Drop-Nipple Fittings: UL 1474, with threaded inlet, threaded outlet, and seals; adjustable. C. Sprinkler, Drain and Alarm Test Fittings: UL-Iisted, cast- or ductile-iron body; with threaded inlet and outlet, test valve, and orifice and sight glass. D. Sprinkler, Branch-Line Test Fittings: UL-Iisted, brass body; with threaded inlet and capped drain outlet and threaded outlet for sprinkler. E. Sprinkler, Inspector's Test Fittings: UL-Iisted, cast- or ductile-iron housing; with threaded inlet and drain outlet and sight glass. 2.12 HOSE CONNECTIONS A. Description: UL 668, 300-psig (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 NPS 1-1/2 or NPS 2-1/2 (DN40 or DN65) as indicated, and hose valve threads according to NFPA 1963 and matching local fire department threads. 211313/9

1. Valve Operation: Nonadjustable type, unless pressure-regulating type is indicated. 2. Valve Operation: Nonadjustable type. 3. Valve Operation: Pressure-regulating type. 4. Finish: Rough brass. 5. Finish: Rough chrome-plated. 2.13 HOSE STATIONS A. Description: UL 47, semiautomatic hose stations. Include brass, rack nipple; hose rack; and the following features: 1. Valves: UL 668, 300-psig (2070-kPa) m1n1mum pressure rating, 90- degree angle pattern hose valve with female NPS inlet and outlet, unless otherwise indicated. a. Valve Operation: Nonadjustable type, unless pressure-regulating type is indicated. 2. Threads and Gaskets: NFPA 1963 and matching local fire department threads. 3. Fire Hose: NFPA 1961 and UL 219, lined fire hose with couplings, gaskets, and nozzle. Include the following fire hose materials: a. Jacket: Natural, synthetic, or combination of threads. b. Lining: Rubber, plastic, or combination of compounds. c. Cover: Optional. 4. Nozzles: UL 401. 5. Drain Valves: UL 1726. 6. Mountings: Pipe clamp or wall bracket for freestanding units. 7. Mountings: Pipe escutcheon for cabinet-mounted units. B. NPS 2-1/2 and NPS 1-1/2 (DN65 and DN40) Hose Stations: NPS 2-1/2 (DN65) hose valve with male threaded outlet, cap, and chain and NPS 1-1/2 (DN40) hose valve; hose rack with water-retention device and pins for folded, NPS 1-1/2 (DN40) lined hose; and NPS 1-1/2 (DN40) lined hose with swivel inlet coupling and nozzle. 1. Hose-Rack Finish: Red enamel. 2. Hose Valve and Trim Finish: Rough brass. 3. Fire Hose: Lined, 50-foot (15-m) length. 4. Fire Hose: Lined, 75-foot (23-m) length. 5. Fire Hose: Lined, 100-foot (30-m) length. 6. Nozzle: Brass, plain type. 2.14 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 211313/10

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." 1. Type: Flush mounting. 2. Escutcheon Plate: Round. 3. Finish: Polished brass. 2.15 ALARM DEVICES A. General: Types matching piping and equipment connections. B. Water-Flow Indicators: UL 346; electrical-supervision, vane-type water-flow detector; with 250-psig (1725-kPa) pressure rating; and designed for horizontal or vertical installation. Include two single-pole, double-throw, circuit switches for isolated alarm and auxiliary contacts, 7 A, 125-V ac and 0.25 A, 24-V de; complete with factory-set, field-adjustable retard element to prevent false signals and tamperproof cover that sends signal if removed. C. Valve Supervisory Switches: UL 753; electrical; single-pole, double throw; with normally closed contacts. Include design that signals controlled valve is in other than fully open position. PART 3 - EXECUTION 3.1 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. 3.2 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. 3.3 PIPING APPLICATIONS 211313/11

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 grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. D. Underground Service-Entrance Piping: Use ductile-iron, push-on-joint pipe and fittings and restrained joints. E. Standpipes: Use one of the following: 1. NPS 4 (DN 100) and Smaller: Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 2. NPS 4 (DN100) and Smaller: Standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 3. NPS 4 (DN100) and Smaller: Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 4. NPS 4 (DN100) and Smaller: Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 5. NPS 4 (DN100) and Smaller: Schedule 10 steel pipe with roll-grooved ends; steel, grooved-end fittings; and grooved joints. 6. NPS 5 and NPS 6 (DN125 and DN150): Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 7. NPS 5 and NPS 6 (DN125 and DN150): Standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 8. NPS 5 and NPS 6 (DN125 and DN150): Standard-weight steel pipe with plain ends, steel welding fittings, and welded joints. 9. NPS 5 and NPS 6 (DN125 and DN150): Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 10. NPS 5 and NPS 6 (DN125 and DN150): Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 11. NPS 5 and NPS 6 (DN125 and DN150): Schedule 10 steel pipe with rollgrooved ends; steel, grooved-end fittings; and grooved joints. F. Sprinklers: Use the following: G. Wet-Pipe Sprinklers: Use one of the following: 1. NPS 1-1/2 (DN40) and Smaller: Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 2. NPS 1-1/2 (DN40) and Smaller: Standard-weight steel pipe with plain ends, locking-lug fittings, and twist-locked joints. 3. NPS 1-1/2 (DN40) and Smaller: Standard-weight steel pipe with plain ends, 211313/12

steel welding fittings, and welded joints. 4. NPS 1-1/2 (DN40) and Smaller: Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 5. NPS 1-1/2 (DN40) and Smaller: Galvanized, standard-weight steel pipe with plain ends; locking-lug fittings; and twist-locked joints. 6. NPS 2 (DN50): Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 7. NPS 2 (DN50): Standard-weight steel pipe with grooved ends; steel, groovedend fittings; steel, keyed couplings; and grooved joints. 8. NPS 2 (DN50): Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 9. NPS 2 (DN50): Galvanized, standard-weight steel pipe with plain ends; lockinglug fittings; and twist-locked joints. 10. NPS 2 (DN50): Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 11. NPS 2 (DN50): Schedule 10 steel pipe with roll-grooved ends; steel, groovedend fittings; steel, keyed couplings; and grooved joints. 12. NPS 2-1/2 to NPS 3-1/2 (DN65 to DN90): Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 13. NPS 2-1/2 to NPS 3-1/2 (DN65 to DN90): Standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 14. NPS 2-1/2 to NPS 3-1/2 (DN65 to DN90): Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 15. NPS 2-1/2 to NPS 3-1/2 (DN65 to DN90): Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 16. NPS 2-1/2 to NPS 3-1/2 (DN65 to DN90): Schedule 10 steel pipe with rollgrooved ends; steel, grooved-end fittings; and grooved joints. 17. NPS 4 (DN100): Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 18. NPS 4 (DN100): Standard-weight steel pipe with grooved ends; steel, groovedend fittings; steel, keyed couplings; and grooved joints. 19. NPS 4 (DN100): Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 20. NPS 4 (DN100): Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 21. NPS 4 (DN1 00): Schedule 10 steel pipe with roll-grooved ends; steel, groovedend fittings; and grooved joints. 22. NPS5 and NPS6 (DN125 and DN150): Standard-weight steel pipe with threaded ends, cast- or malleable-iron threaded fittings, and threaded joints. 23. NPS 5 and NPS 6 (DN125 and DN150): Standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 24. NPS 5 and NPS 6 (DN125 and DN150): Galvanized, standard-weight steel pipe with threaded ends; cast- or malleable-iron threaded fittings; and threaded joints. 25. NPS 5 and NPS 6 (DN125 and DN150): Galvanized, standard-weight steel pipe with grooved ends; steel, grooved-end fittings; steel, keyed couplings; and grooved joints. 211313/13

26. NPS 5 and NPS 6 (DN125 and DN150): Schedule 10 steel pipe with rollgrooved ends; steel, grooved-end fittings; and grooved joints. 27. NPS 5 and NPS 6 (DN125 and DN150): Schedule 10 steel pipe with plain ends, steel welding fittings, and welded joints. 3.4 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. 2. General-Duty Valves: For applications where UL-Iisted and FM-approved valves are not required by NFPA 13 and NFPA 14. a. Shutoff Duty: Use gate, ball, or butterfly valves. 3.5 JOINT CONSTRUCTION A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction. B. Ductile-Iron-Piping, Grooved Joints: Use ductile-iron pipe with radius-cut-grooved ends; ductile-iron, grooved-end fittings; and ductile-iron, keyed couplings. Assemble joints with couplings, gaskets, lubricant, and bolts according to coupling manufacturer's written instructions. C. Steel-Piping, Grooved Joints: Use Schedule 40 steel pipe with cut or roll-grooved ends and Schedule 30 or thinner steel pipe with roll-grooved ends; steel, grooved-end fittings; and steel, keyed couplings. 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. D. Press-Seal-Fitting Joints: Use UL-Iisted tool and procedure and follow fitting manufacturer's written instructions. Include use of specific equipment, pressuresealing tool, and accessories. E. Locking-Lug-Fitting, Twist-Locked Joints: instructions. Follow fitting manufacturer's written F. Dissimilar-Piping-Material Joints: Construct joints using adapters or couplings compatible with both piping materials. Use dielectric fittings if both piping materials are metal. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for dielectric fittings. 211313/14

3.6 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 15 Section "Water Distribution Piping" for exterior piping. B. Install shutoff valve, backflow preventer, pressure gage, drain, and other accessories indicated at connection to water-service piping. 3.7 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 authorities having jurisdiction. File written approval with Architect 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 NPS 2 (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 NPS 2-1/2 (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 211313/15

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. 0. Install piping with grooved joints according to manufacturer's written instructions. Construct rigid piping joints, unless otherwise indicated. 3.8 VALVE INSTALLATION A. 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. 3.9 SPRINKLER APPLICATIONS A. General: Use sprinklers according to the following applications: 1. Rooms without Ceilings: Upright and pendent sprinklers, as indicated. 2. Rooms with Suspended Ceilings: Pendent, recessed, flush, and concealed sprinklers, as indicated. 3. Wall Mounting: Sidewall sprinklers. 4. 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. 3.10 SPRINKLER INSTALLATION A. Install sprinklers in suspended ceilings in center of acoustical panels and tiles. 211313/16

B. Install sprinklers in suspended ceilings in center of narrow dimension of acoustical panels. 3.11 HOSE-CONNECTION INSTALLATION A. Install hose connections adjacent to standpipes, unless otherwise indicated. B. Install NPS 1-1/2 (DN40) hose-connection valves with flow- restricting device, unless otherwise indicated. C. Install NPS 2-1/2 (DN65) hose connections with quick-disconnect NPS 2-1/2 by NPS 1-1/2 (DN65 to DN40) reducer adapter and flow- restricting device, unless otherwise indicated. D. 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. 3.12 HOSE-STATION INSTALLATION A. Install freestanding hose stations for access and minimum passage restriction. B. Install NPS 1-1/2 (DN40) hose-station valves with flow-restricting device, unless otherwise indicated. C. Install NPS 2-1/2 (DN65) hose connections with quick-disconnect NPS 2-1/2 by NPS 1-1/2 (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 other Sections. F. Install hose-reel hose stations on wall with bracket attached to substrate. 3.13 ROOF HOSE CABINET INSTALLATION A. Install cabinets according to manufacturer's written instructions. 3.14 CONNECTIONS A. Connect water supplies to standpipes and sprinklers. Include backflow preventers. 211313/17

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. 3.15 LABELING AND IDENTIFICATION A. Install labeling and pipe markers on equipment and piping according to requirements in NFPA 13 and NFPA 14. 3.16 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. 3.17 CLEANING A. Clean dirt and debris from sprinklers. B. Remove and replace sprinklers having paint other than factory finish. 3.18 PROTECTION A. Protect sprinklers from damage until Substantial Completion. 3.19 SYSTEM START-UP A. Verify that specialty valves, trim, fittings, controls, and accessories are installed and operate correctly. B. Verify that specified tests of piping are complete. C. Verify that damaged sprinklers and sprinklers with paint or coating not specified are replaced with new, correct type. D. Verify that sprinklers are correct types, have correct finishes and temperature ratings, and have guards as required for each application. E. Verify that hose connections and fire department connections have threads compatible 211313/18

with local fire department equipment. F. Fill wet-pipe sprinkler piping with water. G. Fill standpipes with water. H. Verify that hose connections are correct type and size. I. Verify that hose stations are correct type and size. J. Energize circuits to electrical equipment and devices. K. Coordinate with fire alarm tests. Operate as required. 3.20 DEMONSTRATION A. Demonstrate equipment, specialties, and accessories. maintenance information. Review operating and B. Schedule demonstration with Owner with at least seven days' advance notice. END OF SECTION 211313 211313/19

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