TABLE OF CONTENTS DIVISION 22 - MECHANICAL

Transcription

1 TABLE OF CONTENTS DIVISION 22 - MECHANICAL PLUMBING WORK GENERAL REFERENCES, REGULATORY REQUIREMENTS RELATED SECTIONS of the SPECIFICATIONS DEFINITIONS WORK INCLUDED SUBMITTALS (see Subsection ) SPECIAL REQUIREMENTS PLUMBING PIPING SYSTEMS PIPING MATERIAL SCHEDULE P PIPING MATERIAL SCHEDULE P PIPING MATERIAL SCHEDULE P PIPING MATERIAL SCHEDULE P PIPING MATERIAL SCHEDULE P DRAINS and CLEANOUTS FLOOR DRAINS ROOF DRAINS CLEANOUTS PLUMBING FIXTURES SINK: stainless steel, SINGLE compartment with SIDE BOARDS: MOP SINK BASIN: (MSB): ELECTRIC WATER COOLER: semi-recessed (EWC-A): EMERGENCY SHOWER and EYE/FACE WASH (ES-A) PLUMBING EQUIPMENT DOMESTIC WATER HEATER INSTANTANEOUS DOMESTIC WATER HEATER DOMESTIC WATER CIRCULATING PUMP PLUMBING SPECIALTIES WALL HYDRANT: exterior with box (WH-A) HOSE BIBB (HB-A): interior (cold water only) roof hydrant BACKFLOW PREVENTER - Reduced Pressure PRESSURE REDUCING VALVE - Automatic (3 and larger) WATER METERS EXPANSION TANK TEMPERATURE RELIEF VALVES: THERMOSTATIC MIXING VALVES...9 TABLE OF CONTENTS TOC-1 October 17, 2012

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3 PLUMBING WORK GENERAL A. The Plans, the general provisions of the Contract including the General, Supplementary and/or Special Conditions and specification sections of Division 1 shall apply to Work of Divisions 22 of the Specifications. B. Provisions and conditions cited in this Section shall apply to Work for other sections of Divisions 22 of these Specifications. C. Each plumbing fixture, accessory, equipment item and specialty shall be installed in accordance with the respective manufacturer's recommendations. D. Plumbing fixtures, equipment and specialties shall be protected against damage in the period between installation and acceptance. Any item damaged shall be removed, repaired and/or replaced at no additional compensation. E. All operable devices and features of plumbing fixtures, accessories, equipment and specialties provided for in the Scope of Work of this Section shall be operated and proved to function satisfactorily for a period of eight (8) hours. Adjust, balance, lubricate as required, and instruct the Owner in the proper operation and maintenance of each device REFERENCES, REGULATORY REQUIREMENTS A. Work for this Section of the Specifications shall be performed in accordance with the Codes, Standards, etc. as identified in Division RELATED SECTIONS OF THE SPECIFICATIONS The following sections of the Specifications apply to Work under this Section: 1. Division 20 - Basic Mechanical Conditions and Basic Mechanical Material and Methods 2. Division 25 - Temperature Control (for monitoring domestic water temperature) DEFINITIONS (none) WORK INCLUDED A. Furnish material, labor and services necessary for and incidental to providing the following Plumbing Work where shown on the Plans and as hereinafter specified. Include all necessary work in the related sections of the Specifications (Subsection ) to perform the Work completely. 1. Sanitary waste system, including but not limited to, sanitary piping, vent piping, plumbing fixtures, floor drains, and cleanouts. 2. Storm water drainage system, including but not limited to, storm water piping, roof drains, overflow drains. 3. Potable domestic water system, including but not limited to, backflow preventers, pressure regulators, water meter, cold water piping, hot water piping, hot water return piping, and connection to all plumbing fixtures, equipment or specialties. 4. Domestic hot water system, including but not limited to, gas fired/electric hot water heaters, storage tanks, instantaneous hot water heaters, circulator pumps, and expansion tanks. Refer to Division 23 for heat exchanger scope. PLUMBING WORK 22-1 October 17, 2012

4 5. Valved branches in the potable domestic water system with backflow preventers for extension under other sections of the specification for make-up water usage. 6. Subcontractor shall coordinate his work with the work of other trades, and with the architectural and structural drawings. 7. Draining, filling, and venting of all modified systems as required for the above work. This includes scheduling shutdowns with the Owner. (Refer to Section ). 8. Provide sufficient labor and resources required to aid the testing and balancing (Refer to Section ) and the commissioning process (Refer to Section ). 9. Firestopping of all penetrations through fire rated partitions as shown on the architectural drawings including, but not limited to stairways, shafts, corridors, floors, roofs, and required exits. (Refer to Section ). 10. Cleaning and pressure testing equipment, piping, and accessories installed under this section of the specification. (Refer to Section ). 11. Installing accessories specified under other sections of the specification referenced in subsection SUBMITTALS (SEE SUBSECTION ) A. The Subcontractor shall submit the following shop drawings for approval in accordance with the General and Special Conditions. The following list of submittals are required: Plumbing Fixtures, Plumbing Equipment and Plumbing Specialties. Plumbing Piping Materials may be submitted along with Hydronic Piping Materials SPECIAL REQUIREMENTS A. Where lines installed under this section of the specification tie-in to existing lines Subcontractor shall verify all existing lines, their elevations and directions of flow before running any new lines. 1. Subcontractor shall notify Architect/Engineer upon discovery if the new line cannot tie-in to the existing line due to location, elevation, or direction of flow PLUMBING PIPING SYSTEMS A. General 1. Furnish and install the piping systems shown on the Plans and as hereinafter specified in the respective PIPING MATERIAL SCHEDULE. Include all necessary considerations in the related sections of the Specifications (subsection ) to provide for complete systems. B. All drainage lines shall be flushed clean at the completion of the Work. Rod out any obstructions encountered. C. All domestic water lines shall be flushed clean at the completion of the Work. Refer to Section Cleaning of Piping Systems. D. Pressure test each respective piping system for tightness to the test pressure indicated without loss. Repair any leaks and retest, as required. If test pressure is not indicated, hydrostatically test to 1.5 times the system operating pressure. E. The Plans indicate the approximate location and arrangement of roughing-in for waste, vent and domestic water piping to serve the respective plumbing fixture, equipment and specialties. Final locations and arrangements shall be determined from approved shop drawings of the respective item. PLUMBING WORK 22-2 October 17, 2012

5 F. Provide approved backflow preventers in all branch lines in the domestic water system for connections to non-domestic applications. G. Main vents shall be the same size as waste lines and shall extend 12 minimum above the roof. Minimum vent thru the roof (VTR) shall be 3 size PIPING MATERIAL SCHEDULE P-1 A. Service: Storm water drainage (ST), below grade. Sanitary waste (SAN), and Vent (V), below grade. Deck Drain (DD), below grade. Piping within the building perimeter to 5' beyond the building limit. B. Design: Pressure: gravity vented. Temperature: 140 degrees F. C. Pipe: Service weight cast iron, bell and spigot. D. Fittings: Cast iron bell and spigot. E. Joints: Neoprene rubber compression type gasket. F. Test: Pressure test at not less than 15 feet static head of water for two (2) hours minimum PIPING MATERIAL SCHEDULE P-2 A. Service: Storm water drainage (ST), above grade. Sanitary waste (SAN) and Vent (V), above grade. Piping within the building perimeter. B. Design: Pressure: gravity vented. Temperature: 140 degrees F. C. Pipe: Cast iron soil pipe, no-hub. D. Fittings: Cast iron, no-hub. E. Joints: No-hub stainless steel coupling assembly, with neoprene rubber gasket. F. Test: Pressure test at not less than 15 feet static head of water for two (2) hours minimum PIPING MATERIAL SCHEDULE P-3 A. Service: Potable water, below grade outside the building. B. Rating: Pressure: 130 psig HDPE 4710 SDR 15.5 C. Pipe: D. Fitting: HDPE 4710 SDR 15.5 F. Valves: Gate valve, Class 125 cast iron body, bolted bonnet, non-rising stem, resilient wedge, stem nut, and curb box. PLUMBING WORK 22-3 October 17, 2012

6 G. Test: Hydrostatically pressure test at 100 psi for four (4) hours minimum PIPING MATERIAL SCHEDULE P-4 A. Service: Potable water, 2 and smaller, below grade inside the building. B. Design: Pressure: 100 psig. Temperature: 150 degrees F. C. Pipe: Copper, annealed soft, seamless, type K. D. Fittings: Wrought copper, solder ends. E. Joints: 95-5 solder. F. Test: Hydrostatically pressure test at 150 psi for four (4) hours minimum PIPING MATERIAL SCHEDULE P-5 A. Service: Domestic water, above grade. Includes cold water (CW), hot water (HW), hot water recirculating (HWR) and softened water (SW). Sump pump discharge piping. B. Design: Pressure: 100 psig. Temperature: 180 degrees F. max. for hot water only. C. Pipe: Copper, hard drawn, seamless, type L. 1. Fittings: Wrought copper, solder ends. 2. Dielectric Isolation union/union flanges between Fittings: water piping and noncopper connections and at all equipment connections. D. Flanges: Cast bronze, 125 psi. E. Joints: All 95/5 Solder F. Valves: 1. Shut-off/Service: 3 and smaller Ball valve, bronze body, two piece, full port, stainless steel ball and trim. 4 and larger Gate valve, Class 125 cast iron body, bolted bonnet, non-rising stem, resilient wedge. 2. Balancing/Throttling: 3 and smaller Circuit Setter 3. Check Valve: 3 and smaller Class 125 bronze, horizontal swing, Y-pattern, regrinding type, renewable seat and disc, solder ends. PLUMBING WORK 22-4 October 17, 2012

7 4 and larger Class 125-iron body, bolted bonnet, horizontal swing, renewable seat and disc, bronze mounted, flanged ends. 4. Hose End Interior: ¾ hose thread outlet x copper sweat inlet with integral Valve: vacuum breaker. Nibco figure 63-VB. 5. Hose End Interior: ¾ hose thread outlet x copper sweat inlet with integral Valve: vacuum breaker. Nibco figure 63-VB. 6. Test: Hydrostatically pressure test at 150 psi for four (4) hours minimum DRAINS AND CLEANOUTS FLOOR DRAINS A. Floor Drain: mechanical equipment room (FD-A): Cast iron body with flashing flange, integral reversible clamping collar, seepage openings, 7 cast iron loose set tractor strainer and 3 outlet. Wade W-1103-TS7, Zurn Z-415-7N, J.R. Smith 2000-D-CI, MIFAB F1100C-N-1, or approved equivalent ROOF DRAINS A. Roof Drain: (RD). Cast iron body with flange, flashing collar and gravel stop, removable cast iron dome and under deck clamp, sump receiver pan, adjustable extension. Provide extension, as required, to suit thickness of roof construction. Wade W-300X-AE , Zurn ZC- 100-C-EA-R, J.R. Smith 1015-R-C-C1D, MIFAB R1200-EU-M, or approved equivalent. B. Overflow Drain: (OV). Same specification as subsection , except add 2 high dam. Wade W-300X-AE- D , Zurn ZC-100-C-EA-R-89. J.R. Smith 1015-C-C1D-WD, MIFAB R1200-EU- M-R, or approved equivalent CLEANOUTS A. Cleanout: interior unfinished floor (FCO): Cast iron body, threaded adjustable housing, flanged ferrule with straight tread gasketed plug and round secured satin nickel bronze scoriated top, vandal proof. Wade W , Zurn Z-1400-BP-VP, J.R. Smith 4032-U, MIFAB C1100-R-1-6, or approved equivalent PLUMBING FIXTURES A. General 1. Furnish and install the following plumbing fixtures where shown on the Plans and as hereinafter specified. Plumbing fixtures and accessories shall have all options, body material, water consumption, and accessories as specified where or not listed as a prefix, suffix, or catalog number. Include all necessary work in the related sections of the Specifications (subsection ) and accessories to provide for complete installation and operation of the respective fixture. PLUMBING WORK 22-5 October 17, 2012

8 2. All plumbing fixtures and non-metal accessories shall be white color, except where shown or specified otherwise. 3. Vitreous china fixtures, where specified, shall be best quality, non-absorbent. Warped or imperfect fixtures shall not be accepted. Enameled cast iron fixtures, where specified, shall be thoroughly fused and bonded to body without discoloration, chips, flaws or cracks. Finish all exposed surfaces. 4. Fixture trim shall be cast brass with polished chrome-plated finish on exposed surfaces, except where shown or specified otherwise. 5. Fixture traps shall be tubular wall type, minimum 17 gauge with integral cleanout plugs, polished chrome plated finish, except where shown or specified otherwise. Size to suit fixture tailpiece. Comply with local plumbing code. 6. All water closets, urinals, and lavatories shall be from the same manufacturer. All faucets, for lavatories, janitor sinks, sinks shall be from the same manufacturer. All supplies and stops for lavatories and sinks shall be from the same manufacturer. 7. Furnish accessories for fixtures requiring trim, carriers, brackets, back-up plates, specialties, etc. for respective complete installation. 8. Install all handicapped fixtures to respective ADA Standards requirements per Federal Register 28 CFR part 36, July 26, Provide stops (valves) in all water supplies to all fixtures. 10. Provide escutcheon plates for all wall penetrations for exposed connections to fixtures. 11. Division 22 shall provide templates of openings required for countertop mounted fixtures to the General Subcontractor. 12. Connections between plumbing fixture outlets and respective waste piping shall be gas and watertight. Use suitable and approved setting compound or gasket; rubber gaskets or putty are not acceptable. 13. Acceptable manufacturers: a. Fixtures - American Standard, Kohler, Eljer, Crane b. Supplies, Strainer, Traps McGuire, Dearborn, Brass Craft, Engineered Brass, American Standard, Kohler, Eljer. c. Faucets: Chicago, Kohler, Delta, American Standard, Zurn SINK: STAINLESS STEEL, SINGLE COMPARTMENT WITH SIDE BOARDS: A. Sink: 16 gauge, 300 series stainless steel, with left and right 18 drain boards, backsplash. Overall dimensions 33 x 22. Inside bowl dimensions: 18 x 18 x 12. Faucet through backsplash with (4) holes on 4 centers. Elkay model #1C18 x X or equivalent. B. Faucet: Vacuum breaker rigid spout with ¾ hose thread outlet, wall brace and pail hook, ½ F union inlets on exposed valves on 6 centers, lever handles, indexed and tabbed for HOT and COLD. Chicago Faucet no. 835 for overhead supplies. Chicago Faucet no. 897 or Zurn Z841M1 for supplies thru-the-wall. C. Trap: 1-1/2 x 17 gauge tubular P-trap with cleanout plug and wall escutcheon. McGuire Mfg. catalog no PLUMBING WORK 22-6 October 17, 2012

9 MOP SINK BASIN: (MSB): A. Receptor (basin): B. Faucet: 24 x 24 x 12 high, precast terrazzo one-piece basin, ground smooth, grouted and sealed to resist stains. Top edge capped with 20-gauge type 302 stainless steel cast integrally on all four sides. Williams SERVICEPTOR, model SB-900 or Fiat model TSB-100. Vacuum breaker rigid spout with ¾ hose thread outlet, wall brace and pail hook, ½ F union inlets on exposed valves on 6 centers, lever handles, indexed and tabbed for HOT and COLD. Chicago Faucet no. 835 for overhead supplies. Chicago Faucet no. 897 or Zurn Z841M1 for supplies thru-the-wall. C. Strainer: Cast brass outlet with stainless steel strainer cast integrally into bottom of basin to provide for an inside caulk connection for a 3 waste pipe. D. Splash Panels: Provide 20 gauge 302 stainless steel sheet splash catcher panels on one or two sides as required ELECTRIC WATER COOLER: SEMI-RECESSED (EWC-A): A. Wall mounted, refrigerated, for general public and handicapped usage. Unit shall be wheelchair accessible. Bubbler shall be activated by mechanical push-bar and have built-in pressure regulator for supply pressure range from 20 to 125 psi. All exposed surfaces shall be satin-finish type 304 stainless steel. All waterway components shall be copper construction with lead-free connections. Refrigeration system shall be air-cooled; chill the drinking water in a storage tank type heat exchanger; have an adjustable thermostatic control; be rated to cool 8 gph from 80 deg. F to 50 deg. F at 90 deg. F room temperature; be certified by ARI, UL and CSA and comply with all local building codes and ADA Requirements. Elkay model VRCTLR8SC, Oasis model no. P8AC or equivalent by Halsey Taylor. B. For masonry construction applications, Plumbing Subcontractor will mount water cooler directly to wall using factory supplied mounting box. For non-masonry applications, provide and mount using Wade W-440-A11-M36, Zurn 1225-BL, J.R. Smith 0830, or Watts CA-421- HFH EMERGENCY SHOWER AND EYE/FACE WASH (ES-A) A. Combination drench shower/eye/face wash station shall comply with ANSI Z (Tepid water supply is not required). 10 diameter ABS plastic shower head. 1 stay-open ball valve operated by stainless steel pull rod with triangular handle. 30 gpm flow control for shower head. 10 diameter ABS plastic eyewash bowl. ½ stay-open ball valve with hand operated paddle push handle. 8 gpm flow control for eye/face wash. Unit shall be floor mounted and wall anchored. Bradley model S19-310, Haws model 8226, Encon model , or Guardian Equipment model G 1950PYEL PLUMBING EQUIPMENT A. General 1. Furnish and install the following plumbing equipment where shown on the Plans and as hereinafter specified. Include all necessary considerations in the related sections of the PLUMBING WORK 22-7 October 17, 2012

10 DOMESTIC WATER HEATER A. Heater shall be electrically powered. B. Tank shall be steel, rated for 150 psi working pressure, all internal surfaces exposed to water shall be glass lined, insulated with foam insulation, exceeding ASHRAE 90.1., covered with a minimum 16 ga. outer jacket, and have baked enamel finish. C. Heater shall have an ASME pressure/temperature relief valve, replaceable magnesium anode rods, non-metallic dip tube, and drain valve with hose end and cap. D. Water heater shall meet or exceed the capacity scheduled or indicated on the drawings. State or A.O. Smith INSTANTANEOUS DOMESTIC WATER HEATER A. Heater shall be tankless, electrically powered with external digital temperature control. Setpoint range shall be 100 to 140 F, set up initially at 110 F. Size, capacity, and maximum electrical requirement as scheduled. Eemax or approved equivalent DOMESTIC WATER CIRCULATING PUMP A. Domestic hot water circulating pump shall be all bronze body with bronze impeller, line mounted, with capacities as scheduled. Refer to Division for equivalent models to the scheduled pump PLUMBING SPECIALTIES A. General 1. Furnish and install the following plumbing specialties where shown on the Plans and as hereinafter specified. Include all necessary considerations in the related sections of the specifications (subsection ) and accessories to provide for complete installation and operation of the respective item WALL HYDRANT: EXTERIOR WITH BOX (WH-A) A..11 ¾ hose outlet x ¾ (nominal) copper sweat straight inlet, non-freeze, anti-siphon wall hydrant with bronze casing, approved ASSE integral backflow preventer and polished nickel bronze, stainless steel, or chromeplated box. Wade W-8600L-175, Zurn Z- 1300, J.R. Smith 5519, Watts HY-429 with box, MIFAB MHY-26, Woodford B HOSE BIBB (HB-A): INTERIOR (COLD WATER ONLY) A. ¾ hose outlet x copper sweat inlet with integral vacuum breaker. Woodford ROOF HYDRANT A. ¾ brass hose nozzle, automatic drain, with mounting system. Woodford RHY1-MS. PLUMBING WORK 22-8 October 17, 2012

11 BACKFLOW PREVENTER - REDUCED PRESSURE A. Furnish and install reduced pressure backflow preventer at water service entrance and at cross connection locations. B. Assembly shall include shut off valves, strainer, test cocks, and pressure relief valve with ASME A air-gap fitting located between two positive seating check valves. Construction shall be all bronze with quarter-turn, full port, resilient seated ball valve shut offs for sizes 2 and smaller. 2-1/2 and larger shall be bronze, cast-iron, steel or stainless steel body and interior coating according to AWWA C550 or FDA approved epoxy coating with OS&Y resilient seated gate valve shut offs. C. Discharge from air gap shall be piped to a floor drain. D. Backflow preventer shall be Watts 909, or Wilkins 375/375A PRESSURE REDUCING VALVE - AUTOMATIC (3 AND LARGER) A. Automatic, pressure piloted, flanged cast iron body with interior coating according to AWWA C550, bronze trim, pressure gauge connections, position indicator, and means for discharge pressure adjustment. Watts E115 or Wilkins ZW1109. B. PRESSURE REDUCING VALVE - (2-1/2 and smaller) 1. Watts U5B or Wilkens WATER METERS A. Water meter 1 ¼ and larger shall be a totalizing magnetic turbine meter indicating in U.S. Gallons meeting AWWA Standard C-701 latest edition. Meters shall be in-line horizontal-axis type per AWWA Class II, flanged cast bronze body, permanently roll-sealed register, turbine measuring chamber, stainless steel spindle, and graphite bearings. Meters shall be furnished with pulse transmitters for remote monitoring. Meters shall be Neptune HP Turbine, Kent T-3000, Hersey MTX/WTX, or equivalent EXPANSION TANK A. Expansion tank shall be a steel hydro-pneumatic diaphragm type tank rated for a working pressure of 125 psig at 200 F. All internal wetted parts shall comply with FDA regulations and approvals. Capacity shall be as scheduled on the plans. B. Expansion tank shall be Amtrol Therm-X-Trol Model ST or approved equal TEMPERATURE RELIEF VALVES: A. Temperature relief valves on domestic hot water system shall be a self-contained, reverse acting, with adjustable setpoint as manufactured by Spence, ¾, 2020 TDGQF or equivalent THERMOSTATIC MIXING VALVES A. Furnish and install thermostatic tempering valves with integral check valves, removable cartridge strainers, stainless steel pistons, and thermal bellows rough bronze finish. B. Mixing valves serving tempered water, individual fixtures or small groups of fixtures shall be Armstrong RADA as scheduled or approved equivalent. PLUMBING WORK 22-9 October 17, 2012

12 C. A central thermostatic mixing station shall be used to temper domestic hot water supply to the building. System shall consist of a thermostatic mixing valve designed specifically to be installed as the primary control valve within a pumped recirculation system. Valves shall be Armstrong RADA as scheduled or approved equivalent. END OF SECTION PLUMBING WORK October 17, 2012