A. General provisions and other plumbing systems are specified in other Sections of Division 22.

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1 PART 1: GENERAL 1.01 DESCRIPTION: A. General provisions and other plumbing systems are specified in other Sections of Division 22. B. This Section covers plumbing drainage systems and equipment. C. See Section , Plumbing Fixtures for fixtures and trim. D. See Section , Water Systems for water systems and equipment. E. See Section , Fuel Gas Systems for fuel gas systems. F. See Section , Laboratory Systems for laboratory systems. G. Commissioning is specified in Section , Commissioning. This Section includes responsibilities and obligations in support of the commissioning process specified therein QUALITY ASSURANCE: A. Conform to the following: PART 2: PRODUCTS 1. ICC A International Plumbing Code PIPING, FITTINGS, AND JOINTS: 1. Piping and fitting sizes listed are nominal inside diameter. B. Soil, waste, vent, rainwater, and specialty waste and vent, 15" and smaller, below slab-on-grade and extending to 5' outside: 1. Piping: hub and spigot cast iron, service weight, petroleum asphaltic-coated inside and out, ASTM A Fittings: hub and spigot cast iron, service weight, petroleum asphaltic-coated inside and out, ASTM A Joints: one-piece elastomeric compression gasket, ASTM C C. Soil, waste, vent, rainwater, and specialty waste and vent, 10" and smaller, above slab-on-grade throughout the building: 1. Piping: no-hub cast iron, petroleum asphaltic-coated inside and out, ASTM A Fittings: no-hub cast iron, petroleum asphaltic-coated inside and out, ASTM A Joints: a. Standard duty stainless steel couplings for and vent piping to 4": mechanical compression type with neoprene collars conforming to ASTM C , type 301 or 304 stainless steel construction with shields (minimum 36 ga), bands, clamps, and screws. Couplings shall conform to CISPI for 60 lbf in torque and a maximum pressure test 6.0 psig. 1) Manufacturer: Ideal Standard, or Mission No-Hub Coupling. ETB # North Central Advanced Technology Center

2 b. Heavy duty stainless steel couplings for drainage piping 1.5" to 15": mechanical compression type with neoprene collars conforming to ASTM C , type 304 stainless steel construction with shields (minimum 28 ga), bands, clamps, and screws. Couplings shall conform to FM , Class 1 for 80 lbf in torque and a minimum pressure test of 15 psig. 1) Manufacturer: Clamp-All 80, or Husky D. Concealed fixture drain connections from lavatories, water fountains, and kitchen equipment to cast iron: 1. Piping: copper tubing, type DWV, hard drawn, ASTM B Fittings: drainage pattern DWV wrought copper, ASME B Joints: soldered with 95/5 tin/silver using a compatible flux, ASTM B and NSF E. Fixture drain connections from urinals: 1. Piping: red brass, schedule 40, ASTM B Fittings: drainage pattern DWV cast brass. 3. Joints: threaded. F. Indirect drain, 1" and smaller: 1. Piping: copper tubing, type M, hard drawn, ASTM B Fittings: wrought copper, ASME B (R2005). 3. Joints: soldered with 95/5 tin/silver using a compatible flux, ASTM B and NSF G. Indirect drain, 1.25" and larger: 1. Piping: copper tubing, type DWV, hard drawn, ASTM B Fittings: drainage pattern DWV, ASME B Joints: soldered with 95/5 tin/silver using a compatible flux, ASTM B and NSF H. Pumped discharge from elevator and small sump pumps: 2.02 UNIONS: 1. Piping: copper tubing type L, hard drawn, ASTM B Fittings: wrought copper, ASME B (R2005). 3. Joints: soldered with 95/5 tin/silver using a compatible flux, ASTM B A. For copper piping 2" or smaller: cast brass or bronze with copper soldered connections. B. For piping larger than 2": flange and gasket type P-TRAPS: A. For mop basins: deep seal type. B. For floor drains and floor sinks: standard type with trap primer. C. Exposed: brass cleanout plugs. D. For plumbing fixtures: as specified in Section , Plumbing Fixtures. ETB # North Central Advanced Technology Center

3 2.04 CLEANOUTS: 1. Provide cleanout outlets as follows: a. Floors above grade: no-hub, push-on or inside caulk. b. Floors on grade: push-on or inside caulk. B. For exterior piping: cast iron with adjustable housing, ABS cleanout plug, and heavy duty scoriated cast iron tractor cover. 1. Manufacturer: Josam X, Smith 4245C, Wade 6000-Z, or Zurn Z-1400-HD-IC. C. For concealed piping in finished area floors: cast iron with internal cleanout plug, adjustable housing, and polished nickel-bronze top. For cleanouts in floors above grade, provide with flashing clamp. 1. Manufacturer: Josam X, Smith 4025C, Wade 6000IC, or Zurn ZN-1400-ZN-IC. D. For concealed piping in mechanical and equipment room floors: cast iron with internal cleanout plug, adjustable housing, and nickel-bronze top. For cleanouts in floors above grade, provide with flange. 1. Manufacturer: Josam X, Smith 4105C, Wade 6000IC-Z-1, or Zurn ZN-1400-HD-IC. E. For concealed piping in wall construction: no-hub cleanout tee and tapped bronze cleanout plug, with a stainless steel wall access cover DRAINS: 1. Manufacturer: Josam with cover, Smith 4532-Y, Wade 8560E+8480R, or Zurn Z BP-NH. 1. Outlets shall be same size as the drainage pipe. 2. Drains shall be from the same manufacturer, unless otherwise indicated. 3. Provide drain outlets as follows: a. Drains in roofs and floors above grade: no-hub, push-on, or inside caulk. b. Drains in floors on grade: push-on, or inside caulk. c. Specialty drains, where specified herein, in roof and floors: threaded. B. Finished Area Drains (Series D1): 1. D1A: cast iron body, trimmed with adjustable 6" 8" square nickel-bronze grate with vandal resistant screws and reversible flashing collar. a. Manufacturer: Josam 30000X-S, Smith 2010B, Wade 1100 G, or Zurn ZN415-S. 2. D1B: cast iron body, trimmed with recessed grate and 1" anti-splash rim, 7" round nickel bronze grate, trap primer connection, and flashing clamp. a. Manufacturer: Josam 30000X-7E1, Smith 2010-F37, Wade 1100 ER7-CI, or Zurn Z415-7I. ETB # North Central Advanced Technology Center

4 2.06 PUMPS: C. Mechanical Room Drains (Series D2): 1. D2A: cast iron shallow body, trimmed with 12" round cast iron round heavy duty grate, sediment bucket, and flashing clamp. a. Manufacturer: Josam 36340X, Smith 2233, Wade , or Zurn Z D2B: cast iron deep body, trimmed with 10" round medium duty cast iron grate, sediment bucket, and flashing clamp. D. Roof Drains (Series D3): a. Manufacturer: Josam 32330X, Smith 2240, Wade 1240-TD, or Zurn Z D3A: cast iron body, trimmed with 11" round aluminum dome, combined flashing clamp and gravel stop, adjustable solid insulation extension, sump receiver, and under deck clamp. a. Manufacturer: Josam 21000X, Smith 1015, Wade 3000AE, or Zurn Z100-EA. E. Laboratory Drains (Series D4): 1. D4A: cast iron body, trimmed with 8" round nickel-bronze secured grate, seepage holes, chemical resistant coated interior, sediment bucket, flashing clamp, and anchor flange. a. Manufacturer: Josam 49220X, Smith 3041, Wade , or Zurn ZN-1960-K Provide insulated cabling and final connections from the control panel to the pump motors, level controls, and alarms. B. Small Capacity Sump Pumps with Oil Control Systems: 1. General: submersible type for a simplex installation with controls, wiring, piping, valves and oil control system. 2. Controls: UL labeled NEMA 1 painted steel control panel with power on and pump running lights, high water and overload lights, and alarms with alarm silence. Provide pressure diaphragm actuated micro-switch level controls (for pump on, pump off, and high liquid level alarm) with cable wiring to control panel, and oil sensing probe interlocked with pump to prohibit operation when oil is present. Provide contactors for the building automation system to signal pumps at standby, pumps running, pump failure, and oil detected. 3. Motors: submersible hermetically sealed with class F insulation for maximum 3500 rpm. Motors shall be direct connected to pumps, supplied with a minimum 20' power cord, shall have built-in thermal and overload protection with automatic reset, and rated for continuous duty submerged. 4. Pumps: close-coupled design with cast iron body, stainless steel shaft, cast iron impeller, mechanical seals, and permanently lubricated ball bearings with a minimum 14,200 hr bearing life. The pump shall be non-overloading at any point on the pump curve and shall be statically and dynamically balanced. 5. Warranty: provide pump, controls, and equipment with a manufacturer's written one year warranty. 6. Manufacturer: Ebara, Hydromatic, Myers, Stancor, Weil, or Zoeller. ETB # North Central Advanced Technology Center

5 2.07 OIL/WATER SEPARATORS: A. Outside Oil/Water Separators: 2.08 ACCESSORIES: 1. Separator shall be a 2 chamber packaged passive unit, designed and manufactured for underground installation, and ready for installation from the factory. Separator shall be manufactured in accordance with UL 58 and shall comply with NFPA Construction: a. Tanks shall be constructed of double-wall carbon steel, with a minimum 75 mil polyurethane exterior coating, and an interior coating compatible with petroleum oils. b. Chamber shall have a underflow baffle, a sludge baffle, and velocity head diffuser. Center over each chamber a 24" diameter access opening with extension and lid up to a 36" diameter access collar at grade. The access collar shall have an AASHTO H-20 wheel loading with the cover installed flush with the finished grade, and designed so that no vehicle weight is transferred to the underground tank. c. Separator shall have inlet and outlet connections, wear plate, striker plates under openings, pump-out fitting and riser tube and gauge opening, vent openings, coalescer plates, coalescer screen, sludge baffles, and lifting lugs. 3. Separator shall be designed to remove oil to 10 mg/l, under flows ranging from 0 to 100 gpm. Separator total capacity shall be 1000 gallons, with oil storage capacity equal to 43% of total volume and emergency oil spill capacity equal to 80% of total vessel volume. Separator retention time shall be minimum 10 minutes. 4. Separator shall be supplied with an audible and visual alarm system to indicate high oil level, critical high oil level, and hydrocarbons or water in the separator interstice. Audible alarms shall be silenceable. Control panel shall contain both level sensor and leak detection control. Control panel shall be NEMA Separator shall be provided with a minimum of two reinforced concrete deadman anchors having tie down irons. Concrete shall have a minimum compressive strength of 4,000 psi. Separator shall also be furnished with polyester hold-down straps and turn buckles with hook ends. 6. Furnish with each unit an identification plate, a scaled drawing of the interceptor, a third party certificate of compliance with the federal requirements for FOG removal and UL 58 compliance for construction, and the manufacturer's written 30 year warranty. 7. Manufacturer: Highland Tank HTC-1000 with CDA-15. A. Bolts and nuts: ASTM A , Grade B. PART 3: EXECUTION 3.01 PIPING INSTALLATION: 1. Piping shall be cut to measurements established at the site and worked into place without springing or forcing. 2. Use concentric reducing fittings between different size pipe. 3. Ream steel, and copper pipe after cutting, turn on end and knock loose dirt, scale, and filings from interior of pipe. 4. Install horizontal drainage piping 2" and smaller with a slope of 0.25" per foot, and piping 3" and larger with a slope of 0.125" per foot unless otherwise noted on the Drawings. ETB # North Central Advanced Technology Center

6 5. Pitch/grade: piping shall be installed with sufficient pitch to ensure drainage and venting. 6. Install sway bracing and anchorage for piping as required by International Plumbing Code B. Underground Piping: 1. Install drainage piping outside the building in trenches separate from water piping. 2. Excavation and backfill: as specified in Section , General. 3. Underground piping shall be connected to the exterior service lines, or capped or plugged if the exterior service is not in place. 4. Piping installed below the level of footings shall be installed 12" horizontally from the footing for each 12" of depth below the footing. C. Piping Joints: 1. Make changes in the horizontal direction of gravity drainage piping with drainage pattern fittings. 2. Solder joint connections shall be cut, deburred, cleaned and assembled in accordance with ASTM B (2010). 3. Threaded connections: screw-thread joints shall be made with cut tapered threads. Joints shall be made tight with Teflon tape. Not more than 2 threads shall show after the joint is made tight, except no threads shall show in exposed chromium-plated piping. 4. Flanged joints: at connections to equipment, flanged joints shall be made with ring type gaskets, extending to inside of bolt holes. Flanged connections to equipment shall be made with full-face gaskets to match flanges on equipment. 5. Mechanical couplings on drainage piping: during the torque process, if any one band of the coupling breaks, replace the entire coupling. 6. Isolate joints between dissimilar metals and connections to equipment with dielectric fittings. 7. Provide adaptors where copper or steel pipes connect to cast iron pipe. 8. Provide adapters where cast iron pipe connects to ductile iron, concrete, or clay pipe, or where field cuts are made in vitrified earthenware or concrete piping. Adapters shall be sized to fit into the bell of pipes with hubs, or over the barrel of pipes without hubs. D. Coordination: 1. Pipes shall be installed to permit free expansion and contraction without damage to joints, hangers, or the building. Arrange piping to minimize stresses caused by expansion and contraction. 2. Install piping so as to preserve access to valves and equipment and to provide the maximum headroom possible. 3. Provide offsets as required to maintain ceiling height and to coordinate with other trades. 4. Install exposed piping such that when insulation is applied it will not come in contact with adjacent surfaces. 5. Provide flanges or unions at connections to valves and apparatus. 6. Piping to fixtures and equipment shall be braced so that there is no horizontal or vertical movement in the piping. 7. Pipe supports shall be isolated from copper tubing with rubber sleeves. ETB # North Central Advanced Technology Center

7 3.02 HUB AND SPIGOT CAST IRON PIPE AND FITTINGS: A. Do not use tee fittings in horizontal drainage piping. B. Install with hubs upstream. C. Joints and fittings shall be made with compression type gaskets NO-HUB CAST IRON PIPE AND FITTINGS: A. Do not use tee fittings in horizontal drainage piping. B. Extend vent piping 12" above the roof. C. Torque coupling bolts in accordance with manufacturer's recommendations. D. Where extra heavy duty couplings are required for underground connections, coat the stainless steel bolts with asphaltic paint sealer COPPER TUBING AND FITTINGS: A. Uninsulated piping installed in masonry construction shall be painted with 2 coats of asphaltum paint. B. Clean, prime, and paint exposed uninsulated piping with 2 coats of glossy silver paint ROOF PENETRATIONS: A. Flash and counter-flash pipes passing through the roof with 4 psf sheet lead, not less than 18" square. B. Installation of roof drains in metal deck construction: provide supplemental steel on 2 sides of each drain, running perpendicular and welded to roof joists UNIONS: A. Provide in each connection to each piece of equipment, except where flanges are used, so it may be removed P-TRAPS: A. Set traps true and level CLEANOUTS: 1. Locate cleanouts so that they are accessible and in compliance with codes. 2. Install floor cleanouts flush and level with the finished floor. B. Provide cleanouts in drainage piping as indicated on the Drawings, and as follows: 1. At the bottom of each exposed fixture trap which is not integral with the fixture. 2. At the beginning of each branch drainage line. 3. At each change of a horizontal direction greater than 45º. 4. At the foot of each stack. 5. In horizontal drain lines at intervals of not more than 50' for inside piping and 100' for outside piping. C. Cleanouts outside the building shall extend up to grade and be set flush with finished grade in a 18" x 18" x 8" thick concrete pad. ETB # North Central Advanced Technology Center

8 D. Cleanouts for horizontal piping above grade located above the ceiling shall extend through the floor above, and shall be set flush with that finished floor. E. Sanitary cleanouts shall not be installed in return air plenums. F. Cleanouts that occur in carpeted floors shall be installed flush with the floor slab and marked with a stainless steel carpet marker DRAINS: 3.10 PUMPS: 1. Cover the grate of each drain during construction to prevent entry of foreign matter. The covering shall not deface the grate's finish. Do not use tape to cover drains. Cover shall be secured to the floor to prevent their being removed. 2. Remove and clean drain grate, set-screws, insides of drain bodies, and sediment buckets before substantial completion. 3. Drains shall not be field modified. 4. Where waterproof liners are used in the building construction, secure the liners to drain bodies with clamping rings, making watertight connections. B. Floor Drains: 1. Set top of floor drains and floor sinks flush and level with the finished floor, unless noted otherwise on the Drawings. 2. Install drains with recessed grates and anti-splash rims, with the rims flush with the finished floor. 3. Omit grates of drains receiving piped discharge from mechanical equipment so pipes can turn down into basket, unless provided otherwise. 4. Where trap primer connections are made to drain tailpieces, cap or eliminate the trap primer connection on the drain body. 5. Set square drainage grates with sides parallel to the adjacent walls. 6. Where floor drains are installed in a sloping floor, install at low point. C. Roof Drains: 1. Provide for each roof drain a sheet of 4 psf lead flashing extending at least 8" from the clamping ring in all directions. 2. The horizontal portion of scupper drains shall pitch down in the direction of flow not less than 0.25" per foot. A. Coordinate final sump pit sizes for proper fit of pump and motor to be installed, and installation of accessories. B. Sump pumps shall not be used for dewatering. If pumps are used in an emergency, replace with new units OIL/WATER SEPARATORS: A. Outside: 1. Install units as indicated on the Drawings and in accordance with municipality requirements. ETB # North Central Advanced Technology Center

9 3.12 ACCESSORIES: 2. For below grade installations provide units with concrete over pad and hold down pad or deadman anchors as sized by the manufacturer. A. Downspout boots: set top 12" above finished grade, unless noted otherwise. B. Coordinate the size of architectural downspouts with size of downspout boot's top connection PIPING AND JOINTS TESTS: A. Piping and piping joints shall be leak free. B. Test soil, waste, vent, rainwater, and specialty waste and vent systems piping and joints by capping or plugging all openings, and filling each system with a 10' head of water, then allowing to stand filled for 1 hour without any leak down. Where a system is tested in sections, each section shall be subjected to the same test. C. General: 1. Test piping and joints under floor slabs before slabs are poured. 2. Tests shall be made while piping and joints are exposed to view. 3. Submit a statement certifying that piping and joints are tight and have passed the specified test. D. Leakage Requirements: 1. Screwed and flanged joints that leak shall be taken apart and reassembled. 2. Soldered joints that leak shall be cut-out and replaced. 3. Cast iron hub and spigot joints that leak shall be taken apart and reassembled with new joining materials. 4. Cast iron no-hub joints that leak shall be taken apart and reassembled with new couplings. E. Flow Test: 3.14 SUMP PUMP TESTS: 1. Ensure a smooth and nonobstructed flow of liquid for every drainage pipe, free from construction or natural sediment debris that may have entered during construction. 2. Route clean and flush with clear water piping having an obstruction. pump any liquid from sump. Do not use Project's new pumps. Clean sumps, pumps, and motors of construction debris. B. Elevator Sump Pump Test: 1. Hydraulic elevators: fill sump as required with potable water and test for pump on, high water alarm, and pump off. Pump shall perform at its rated capacity. Test check valve for complete stoppage at pump shutoff. Add hydraulic elevator oil to the water and test for pump off and oil alarm. Clean sump of oil residue. If pump or controls fail test, repair or replace units as necessary. C. Safety alarm test: provide a test for the safety alarm as described by the manufacturer. D. Provide written documentation of the pump operational test, and safety alarm test. END OF SECTION ETB # North Central Advanced Technology Center