SECTION PLUMBING SPECIALTIES

Transcription

1 SECTION PLUMBING SPECIALTIES PART 1 GENERAL The requirements of the GENERAL CONDITIONS, SUPPLEMENTARY CONDITIONS and Division 1, General Requirements, Apply to the work specified in this section. 1.1 SECTION INCLUDES BUT IS NOT LIMITED TO: A. Floor drains. B. Cleanouts. C. Hydrants/Hose bibs. D. Backflow preventers. E. Trap primer valves. F. Water hammer arrestors. 1.2 SUBMITTALS PART 2 PRODUCTS 2.1 FLOOR DRAINS A. Submit under provisions of Division 1 - General Requirements. B. Product Data: Provide component sizes, rough-in requirements, service sizes, and finishes. C. Manufacturer's Installation Instructions: Indicate assembly and support requirements. A. Manufacturers: Zurn, Jay R. Smith, Josam. B. ANSI A ; Lacquered or coated cast iron two piece body with double drainage flange, weep holes, ball type backwater valve, spigot connection, adjustable satin nickel strainer, square or round to accept floor finish in finished floor areas. Provide with trap primer 2.2 CLEANOUTS A. Manufacturers: Zurn, Jay R. Smith, Josam. B. Interior Finished Floor Areas: Lacquered or galvanized cast iron, two piece body, reversible clamping collar, and adjustable, round with scoriated cover in service areas and round or square with depressed cover to accept floor finish in finished floor areas; Model ZN manufactured by Zurn. PLUMBING SPECIALTIES

2 2.3 HYDRANTS/HOSE BIBS A. Manufacturers: Woodford. Or approved equal by Zurn, Jay R. Smith, Josam. B. Wall Hydrant: ANSI/ASSE 1019; non-freeze, self-draining type with polished bronze lockable recessed box hose thread spout, lockshield and removable key, and integral backflow preventer; Model 25-cp manufactured by Woodford. 2.4 BACKFLOW PREVENTERS A. Manufacturers: Watts Regulatory, Febco, Hersey. B. Reduced Pressure Backflow Preventers: ANSI/ASSE 1013 AWWA C506; bronze body with bronze and plastic internal parts and stainless steel springs; two independently operating, spring loaded check valves; diaphragm type differential pressure relief valve located between check valves; third check valve which opens under back pressure in case of diaphragm failure; non-threaded vent outlet; assembled with two gate valves, strainer, and four test cocks; Model 909 manufactured by Watts. C. Double Check Valve Assemblies: ANSI/ASSE 1012 AWWA C506; Bronze body with corrosion resistant internal parts and stainless steel springs; two independently operating check valves with intermediate atmospheric vent; Model 707 manufactured by Watts. 2.5 TRAP PRIMER VALVES A. Trap primers shall be Precision Plumbing Products, Inc., Model P-1, or P-2 depending on number of traps served, or approved equivalent. 2.6 PRESSURE GAUGES A. Manufacturers: Weiss Instruments, Ashcroft Type, Trerice. B. Pressure gauges shall have 4-1/2 inch diameter aluminum cases, no back flange, and removable chrome slip ring. Finish shall be black enamel. Gauge dial shall be white coated with black figures, gradations, and micro adjustable. High-grade shutoff cocks shall be provided between gauge and piping to permit gauge removal while system is under pressure. Gauges shall be capable of reading to approximately twice the working pressure. Accuracy: ± 1/2 of 1 percent. C. Install Pressure gauge at all water service entrances 2.7 WATER HAMMER ARRESTORS A. Manufacturers: Jay R. Smith, Josam, Watts Regulator, Zurn. B. ANSI A ; sized in accordance with PDI WH-201, precharged suitable for operation in temperature range -100 to 300 degrees F and maximum 250 psig working pressure. 2.8 NOT USED: PLUMBING SPECIALTIES

3 2.9AIR-GAP FITTINGS: A. ASME A , cast iron or cast bronze, with fixed air gap, inlet for drain pipe or tube, and threaded or spigot outlet. Provide with vertical ball type back water valve. Unless otherwise noted. 2.10OUTLET BOXES, General: Recessed-mounting with fittings complying with ASME A M. Include box with faceplate, services indicated for equipment connections, and wood-blocking reinforcement. A. Clothes Washer Outlet Boxes: With hose connections, drain, and the following: 1. Box and Faceplate: Enameled or epoxy-painted steel or plastic 2. Shutoff Fittings: 2 hose bibbs. 3. Supply Fittings: Two 1/2-inch NPS gate, globe, or ball valves. 4. Drain Fitting: 2-inch NPS drainage piping P-trap with 2-inch NPS standpipe extending from floor to outlet box and 2-inch NPS waste. 5. Inlet Hoses: Two 60-inch long, ASTM D 3571, clothes washer inlet hoses with female hose-thread couplings. 6. Drain Hose: One 48-inch long, ASTM D 3572, clothes washer drain hose with hooked end. B. Ice Maker Outlet Boxes: With hose connection and the following: 1. Box and Faceplate: Enameled or epoxy-painted steel or plastic 2. Shutoff Fitting: Hose bibb. 3. Supply Fitting: 1/2-inch NPS gate, globe, or ball valve. C. Outlet Box Reinforcement: 2-by-4-inch- or 2-by-6-inch wood blocking between studs. PART 3 EXECUTION 3.1 INSTALLATION A. General: Install plumbing specialty components, connections, and devices according to manufacturer's written instructions. B. Install backflow preventers of type, size, and capacity indicated, at each water-supply connection to mechanical equipment and systems, and to other equipment and water systems as indicated. Comply with authorities having jurisdiction. Locate backflow preventers in same room as connected equipment. Do not install bypass around backflow preventer. C. Install pressure regulators on building water service entrance where required to maintain 80 PSI or less and at equipment connections where required to maintain equipment pressure requirements. Provide inlet and outlet shutoff valves and balance valve bypass. Install pressure gages on inlet and outlet. D. Install strainers on supply side of each control valve, pressure regulator, and solenoid valve. E. Install hose bibbs with integral vacuum breaker. F. Install wall hydrants with integral vacuum breaker. PLUMBING SPECIALTIES

4 G. Not Used H. Install cleanouts in aboveground piping and building drain piping according to the following: 1. Size same as drainage piping up to 4-inch NPS (DN100). Use 4-inch NPS (DN100) for larger drainage piping unless larger cleanout is indicated. 2. Locate at each change in direction of piping greater than 45 degrees. 3. Locate at minimum intervals of 50 feet (15 m) for piping 4-inch NPS (DN100) and smaller and 80 feet (30 m) for larger piping. 4. Locate at base of each vertical soil and waste stack. I. Install cleanout deck plates, of types indicated, with top flush with finished floor, for floor cleanouts for piping below floors. J. Install cleanout wall access covers, of types indicated, with frame and cover flush with finished wall, for cleanouts located in concealed piping. K. Install flashing flange and clamping device with each stack and cleanout passing through floors with waterproof membrane. L. Install vent flashing sleeves on stacks passing through roof. Secure over stack flashing according to manufacturer's written instructions. M. Install floor drains at low points of surface areas to be drained. Set grates of drains flush with finished floor or as indicated. Size outlets as indicated. N. Set floor drains below elevation of surrounding finished floor to allow floor drainage. O. Install individual traps for floor drains connected to sanitary building drain. P. Install floor-drain flashing collar or flange so no leakage occurs between drain and adjoining flooring. Maintain integrity of waterproof membranes where penetrated. Q. Position floor drains for easy access and maintenance. R. Not Used. S. Not Used. T. Not Used. U. Fasten wall-hanging plumbing specialties securely to supports attached to building substrate if supports are specified and to building wall construction if no support is indicated. V. Fasten recessed, wall-mounting plumbing specialties to reinforcement built into walls. W. Secure supplies to supports or substrate. X. Install individual stop valve in each water supply to plumbing specialties. Use ball, gate, or globe valve if specific valve is not indicated. Y. Install water-supply stop valves in accessible locations. PLUMBING SPECIALTIES

5 Z. Locate drainage piping as close as possible to bottom of floor slab supporting fixtures and drains. AA. AB. AC. AD. AE. Install escutcheons at wall, floor, and ceiling penetrations in exposed finished locations and within cabinets and millwork. Use deep-pattern escutcheons if required to conceal protruding pipe fittings. Include wood-blocking reinforcement for recessed and wall-mounting plumbing specialties. Supply Runouts to Plumbing Specialties: Install hot- and cold-water-supply piping as required by authorities having jurisdiction. Drainage Runouts to Plumbing Specialties: Install drainage and vent piping, with approved trap, of sizes indicated, but not smaller than required by authorities having jurisdiction. Before startup, perform the following checks: 1. System tests are complete. 2. Damaged and defective specialties and accessories have been replaced or repaired. 3. Clear space is provided for servicing specialties. AF. Before operating systems, perform the following steps: 1. Close drain valves, hydrants, and hose bibbs. 2. Open general-duty valves to fully open position. 3. Remove and clean strainers. 4. Verify that drainage and vent piping are clear of obstructions. Flush with water until clear. AG. AH. AI. Adjust operation and correct deficiencies discovered. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work. Place plugs in ends of uncompleted piping at end of each day or when work stops. END OF SECTION PLUMBING SPECIALTIES