SECTION 15430 PLUMBING SPECIALTIES
PART 1 - GENERAL
1.1 SUMMARY
A. This Section includes the following plumbing specialties:
1. Backflow preventers.
2. Strainers.
3. Wheel-handle wall hydrants.
4. Drain valves.
5. Miscellaneous piping specialties.
6. Sleeve penetration systems.
7. Flashing materials.
8. Cleanouts.
9. Floor drains.
10. Ornamental Downspout Nozzle.
1.2 DEFINITIONS
A. The following are industry abbreviations for plastic piping materials:
1. ABS: Acrylonitrile-butadiene-styrene plastic.
2. PE: Polyethylene plastic.
3. PUR: Polyurethane plastic.
4. PVC: Polyvinyl chloride plastic.
1.3 PERFORMANCE REQUIREMENTS
A. Provide components and installation capable of producing piping systems with follow- ing minimum working-pressure ratings, unless otherwise indicated:
1. Domestic Water Piping: 125 psig (860 kPa) .
2. Sanitary Waste and Vent Piping: 10-foot head of water (30 kPa).
1.4 SUBMITTALS
A. Product Data: Include rated capacities and shipping, installed, and operating weights. Indicate materials, finishes, dimensions, required clearances, and methods of assembly of components; and piping and wiring connections for the following:
1. Backflow preventers.
2. Drain valves, hose bibbs, hydrants, and hose stations.
3. Floor drains.
B. Field test reports.
C. Maintenance Data: For plumbing specialties to include in maintenance manuals. In- clude the following:
1. Backflow preventers.
2. Hose stations and hydrants.
1.5 QUALITY ASSURANCE
A. Product Options: Drawings indicate size, profiles, and dimensional requirements of plumbing specialties and are based on the specific system indicated. Refer to Divi- sion 1 Section "Product Requirements."
B. Plumbing specialties shall bear label, stamp, or other markings of specified testing agency.
C. ASME Compliance: Comply with ASME B31.9, "Building Services Piping," for pip- ing materials and installation.
D. NSF Compliance:
1. Comply with NSF 14, "Plastics Piping Components and Related Materials," for plastic domestic water piping components. Include marking "NSF-pw" on plastic potable-water piping and "NSF-dwv" on plastic drain, waste, and vent piping.
2. Comply with NSF 61, "Drinking Water System Components--Health Effects, Sections 1 through 9," for potable domestic water plumbing specialties.
PART 2 - PRODUCTS
2.1 BACKFLOW PREVENTERS
A. Manufacturers:
1. Watts Industries, Inc.
B. General: ASSE standard, backflow preventers.
1. NPS 2 (DN 50) and Smaller: Bronze body with threaded ends.
2. Interior Components: Corrosion-resistant materials.
3. Exterior Finish: Polished chrome plate if used in chrome-plated piping system.
4. Strainer: On inlet, if indicated.
C. Hose-Connection Vacuum Breakers: ASSE 1011, nickel plated, with nonremovable and manual drain features, and ASME B1.20.7, garden-hose threads on outlet. Units attached to rough-bronze-finish hose connections may be rough bronze.
D. Hose-Connection Backflow Preventers: ASSE 1052, suitable for at least 3-gpm (0.19- L/s) flow and applications with up to 10-foot head of water (30-kPa) back pressure. In- clude two check valves; intermediate atmospheric vent; and non-removable, ASME B1.20.7, garden-hose threads on outlet.
2.2 BALANCING VALVES
A. Calibrated Balancing Valves: Adjustable, with two readout ports and memory setting indicator. Include manufacturer's standard hoses, fittings, valves, differential pressure meter, and carrying case.
1. Manufacturers:
a. Amtrol, Inc.
b. Armstrong Pumps, Inc.
c. ITT Industries; Bell & Gossett Div.
d. Taco, Inc.
e. Tour & Andersson, Inc.
f. Watts Industries, Inc.; Water Products Div.
2. NPS 2 (DN 50) and Smaller: Bronze body with brass ball, adjustment knob, cal- ibrated nameplate, and threaded or solder-joint ends.
2.3 STRAINERS
A. Strainers: Y-pattern, unless otherwise indicated, and full size of connecting piping. In- clude ASTM A 666, Type 304, stainless-steel screens with 3/64-inch (1.2-mm) round perforations, unless otherwise indicated.
1. Pressure Rating: 125-psig (860-kPa) minimum steam working pressure, unless otherwise indicated.
2. NPS 2 (DN 50) and Smaller: Bronze body, with female threaded ends.
3. Y-Pattern Strainers: Screwed screen retainer with centered blowdown.
a. Drain: Pipe plug.
2.4 WHEEL-HANDLE WALL HYDRANTS
A. Manufacturers:
1. NIBCO INC.
2. Sioux Chief Manufacturing Co., Inc.
3. Watts Industries, Inc.; Water Products Div.
4. Woodford Manufacturing Co.
5. Zurn Industries, Inc.; Jonespec Div.
B. Description: Frost-proof design similar to ASME A112.21.3M, for wall mounting with wheel-handle operation, NPS 1/2 or NPS 3/4 (DN 15 or DN 20) threaded or solder- joint inlet, casing and operating rod to match wall thickness, and projecting outlet with ASME B1.20.7 garden-hose threads on outlet. Include wall clamp; integral vacuum breaker or nonremovable, drainable hose-connection vacuum breaker complying with ASSE 1011 ; and garden-hose threads complying with ASME B1.20.7 on outlet.
2.5 DRAIN VALVES
A. Hose-End Drain Valve: MSS SP-80, gate valve, Class 125, ASTM B 62 bronze body, with NPS 3/4 (DN 20) threaded or solder-joint inlet and ASME B1.20.7, garden-hose threads on outlet and cap. Hose bibbs are prohibited for this application.
2.6 MISCELLANEOUS PIPING SPECIALTIES
A. Water Hammer Arresters: ASSE 1010 or PDI-WH 201, metal-bellows type with pres- surized metal cushioning chamber. Sizes indicated are based on ASSE 1010 or PDI- WH 201, Sizes A through F.
1. Manufacturers:
a. Josam Co.
b. Smith, Jay R. Mfg. Co.
c. Tyler Pipe; Wade Div.
d. Zurn Industries, Inc.; Specification Drainage Operation.
B. Roof Flashing Assemblies: Manufactured assembly made of 4-lb/sq. ft. (20-kg/sq. m), 0.0625-inch- (1.6-mm-) thick, lead flashing collar and skirt extending at least 8 inches (200 mm) from pipe with galvanized steel boot reinforcement, and counter flashing fit- ting.
C. Deep-Seal Traps: Cast-iron or bronze casting, with inlet and outlet matching connected piping and cleanout trap seal primer valve connection.
1. NPS 2-1/2 (DN 65) and Larger: 5-inch- (125-mm-) minimum water seal.
D. Floor-Drain Inlet Fittings: Cast iron, with threaded inlet and threaded or spigot outlet, and trap seal primer valve connection.
E. Fixed Air-Gap Fittings: Manufactured cast-iron or bronze drainage fitting with semio- pen top with threads or device to secure drainage inlet piping in top and bottom spigot or threaded outlet larger than top inlet. Include design complying with ASME A112.1.2 that will provide fixed air gap between installed inlet and outlet pip- ing.
F. Stack Flashing Fittings: Counter flashing-type, cast-iron fitting, with bottom recess for terminating roof membrane, and with threaded or hub top for extending vent pipe.
G. Vent Caps: Cast-iron body with threaded or hub inlet and vandal-proof design. In- clude vented hood and set-screws to secure to vent pipe.
H. Vent Terminals: Commercially manufactured, shop- or field-fabricated, frost-proof as- sembly constructed of galvanized steel, copper, or lead-coated copper. Size to provide 1-inch (25-mm) enclosed air space between outside of pipe and inside of flashing collar extension, with counter flashing.
2.7 SLEEVE PENETRATION SYSTEMS
A. Description: UL 1479, through-penetration firestop assembly consisting of sleeve and stack fitting with firestopping plug.
1. Sleeve: Molded PVC plastic, of length to match slab thickness and with integral nailing flange on one end for installation in cast-in-place concrete slabs.
2. Stack Fitting: ASTM A 48 (ASTM A 48M), gray-iron, hubless-pattern, wye- branch stack fitting with neoprene O-ring at base and gray-iron plug in thermal- release harness in branch. Include PVC protective cap for plug.
2.8 FLASHING MATERIALS
A. Lead Sheet: ASTM B 749, Type L51121, copper bearing, with the following minimum weights and thicknesses, unless otherwise indicated:
1. General Use: 4-lb/sq. ft. (20-kg/sq. m), 0.0625-inch (1.6-mm) thickness.
2. Vent Pipe Flashing: 3-lb/sq. ft. (15-kg/sq. m), 0.0469-inch (1.2-mm) thickness.
3. Burning: 6-lb/sq. ft. (30-kg/sq. m), 0.0938-inch (2.4-mm) thickness.
B. Zinc-Coated Steel Sheet: ASTM A 653/A 653M, with 0.20 percent copper content and 0.04-inch (1.01-mm) minimum thickness, unless otherwise indicated. Include G90 (Z275) hot-dip galvanized, mill-phosphatized finish for painting if indicated.
C. Elastic Membrane Sheet: ASTM D 4068, flexible, chlorinated polyethylene, 40-mil (1.01-mm) minimum thickness.
D. Fasteners: Metal compatible with material and substrate being fastened.
E. Metal Accessories: Sheet metal strips, clamps, anchoring devices, and similar accesso- ry units required for installation; matching or compatible with material being installed.
F. Solder: ASTM B 32, lead-free alloy.
G. Bituminous Coating: SSPC-Paint 12, solvent-type, bituminous mastic.
2.9 CLEANOUTS
A. Cleanouts,: Comply with ASME A112.36.2M .
1. Application: Floor cleanout, Wall cleanout, For installation in exposed piping.
2. Manufacturers:
a. Josam Co.
b. Sioux Chief Manufacturing Co., Inc.
c. Smith, Jay R. Mfg. Co.
d. Tyler Pipe, Wade Div.
e. Watts Industries, Inc.
f. Zurn Industries, Inc.
3. Body or Ferrule Material: Cast iron.
4. Outlet Connection: Threaded.
5. Closure: Brass plug with straight threads and gasket.
6. Adjustable Housing Material: Cast iron with set-screws or other device.
7. Frame and Cover Material and Finish: Nickel-bronze, copper alloy.
8. Frame and Cover Shape: Round.
9. Top Loading Classification: Light Duty.
2.10 FLOOR & TRENCH DRAINS
A. Floor & Trench Drains: Provide floor drains as specified in plumbing fixture schedule located on sheet 100-P-01
2.11 ORNAMENTAL DOWNSPOUT NOZZLE
A. Description: Cast Bronze body and Flange; threaded hub or No-Hub outlet as required.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for piping joining materials, joint construction, and basic installation requirements.
B. Install backflow preventers in each water supply to mechanical equipment and systems and to other equipment and water systems that may be sources of contamination. Comply with authorities having jurisdiction.
1. Locate backflow preventers in same room as connected equipment or system.
2. Install drain for backflow preventers with atmospheric-vent drain connection with air-gap fitting, fixed air-gap fitting, or equivalent positive pipe separation of at least two pipe diameters in drain piping and pipe to floor drain. Locate air-gap device attached to or under backflow preventer. Simple air breaks are not ac- ceptable for this application.
3. Do not install bypass piping around backflow preventers.
C. Install draining-type ground post hydrants with 1 cu. yd. (0.75 cu. m) of crushed gravel around drain hole.
1. Set ground hydrants with box flush with grade.
2. Set post hydrants in concrete paving or in 1 cu. ft. (0.03 cu. m) of concrete block at grade.
D. Install cleanouts in aboveground piping and building drain piping according to the fol- lowing, unless otherwise indicated:
1. Size same as drainage piping up to NPS 4 (DN 100). Use NPS 4 (DN 100) 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 NPS 4 (DN 100) and smaller and 100 feet (30 m) for larger piping.
4. Locate at base of each vertical soil and waste stack.
E. Install cleanout deck plates with top flush with finished floor, for floor cleanouts for piping below floors.
F. Install cleanout wall access covers, of types indicated, with frame and cover flush with finished wall, for cleanouts located in concealed piping.
G. Install flashing flange and clamping device with each stack and cleanout passing through floors with waterproof membrane.
H. Install vent flashing sleeves on stacks passing through roof. Secure over stack flashing according to manufacturer's written instructions.
I. Install frost-proof vent caps on each vent pipe passing through roof. Maintain 1-inch (25-mm) clearance between vent pipe and roof substrate.
J. Install floor drains at low points of surface areas to be drained. Set grates of drains flush with finished floor, unless otherwise indicated.
1. Position floor drains for easy access and maintenance.
2. Set floor drains below elevation of surrounding finished floor to allow floor drainage. Set with grates depressed according to the following drainage area ra- dii:
a. Radius, 30 Inches (750 mm) or Less: Equivalent to 1 percent slope, but not less than 1/4-inch (6.35-mm) total depression.
b. Radius, 30 to 60 Inches (750 to 1500 mm): Equivalent to 1 percent slope.
c. Radius, 60 Inches (1500 mm) or Larger: Equivalent to 1 percent slope, but not greater than 1-inch (25-mm) total depression.
3. Install floor-drain flashing collar or flange so no leakage occurs between drain and adjoining flooring. Maintain integrity of waterproof membranes where pene- trated.
4. Install individual traps for floor drains connected to sanitary building drain, un- less otherwise indicated.
K. Fasten wall-hanging plumbing specialties securely to supports attached to building sub- strate if supports are specified and to building wall construction if no support is indicat- ed.
L. Fasten recessed-type plumbing specialties to reinforcement built into walls.
M. Install wood-blocking reinforcement for wall-mounting and recessed-type plumbing specialties.
N. Install individual shutoff valve in each water supply to plumbing specialties. Use ball, gate, or globe valve if specific valve is not indicated. Install shutoff valves in accessi- ble locations. Refer to Division 15 Section "Valves" for general-duty ball, butterfly, check, gate, and globe valves.
O. Install traps on plumbing specialty drain outlets. Omit traps on indirect wastes unless trap is indicated.
P. 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.
3.2 CONNECTIONS
A. Piping installation requirements are specified in other Division 15 Sections. Drawings indicate general arrangement of piping, fittings, and specialties.
B. Install piping adjacent to equipment to allow service and maintenance.
C. Connect plumbing specialties to piping specified in other Division 15 Sections.
D. Ground equipment.
E. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A and UL 486B.
F. Connect plumbing specialties and devices that require power according to Division 16 Sections.
3.3 FLASHING INSTALLATION
A. Fabricate flashing from single piece unless large pans, sumps, or other drainage shapes are required. Join flashing according to the following if required:
1. Lead Sheets: Burn joints of lead sheets 6-lb/sq. ft. (30-kg/sq. m), 0.0938-inch (2.4-mm) thickness or thicker. Solder joints of lead sheets 4-lb/sq. ft. (20-kg/sq. m), 0.0625-inch (1.6-mm) thickness or thinner.
2. Copper Sheets: Solder joints of copper sheets.
B. Install sheet flashing on pipes, sleeves, and specialties passing through or embedded in floors and roofs with waterproof membrane.
1. Pipe Flashing: Sleeve type, matching pipe size, with minimum length of 10 inches (250 mm), and skirt or flange extending at least 8 inches (200 mm) around pipe.
2. Sleeve Flashing: Flat sheet, with skirt or flange extending at least 8 inches (200 mm) around sleeve.
3. Embedded Specialty Flashing: Flat sheet, with skirt or flange extending at least 8 inches (200 mm) around specialty.
C. Set flashing on floors and roofs in solid coating of bituminous cement.
D. Secure flashing into sleeve and specialty clamping ring or device.
E. Install flashing for piping passing through roofs with counterflashing or commercially made flashing fittings, according to Division 7 Section "Sheet Metal Flashing and Trim."
F. Fabricate and install flashing and pans, sumps, and other drainage shapes.
3.4 LABELING AND IDENTIFYING
A. Equipment Nameplates and Signs: Install engraved plastic-laminate equipment name- plate or sign on or near each backflow preventer, thermostatic water mixing valve, wa- ter tempering valve.
1. Text: Distinguish among multiple units, inform operator of operational require- ments, indicate safety and emergency precautions, and warn of hazards and im- proper operations, in addition to identifying unit.
3.5 PROTECTION
A. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work.
B. Place plugs in ends of uncompleted piping at end of each day or when work stops.
END OF SECTION
No comments:
Post a Comment