SECTION PLUMBING EQUIPMENT Piping (Plumbing). 2. Division 16 - Electrical Wiring and Connections.

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1 SECTION PLUMBING EQUIPMENT PART 1 GENERAL 1.01 SUMMARY A. Related Sections: Piping (Plumbing). 2. Division 16 - Electrical Wiring and Connections SUBMITTALS A. Submit properly identified manufacturer's catalog cuts and technical data before starting work. B. Shop Drawings: 1. Domestic Water Pumps: Catalog cuts, characteristics, performance curves, and controllers. 2. Air Compressors: Catalog cuts, performance curves, characteristics, and controllers. 3. Air Dryers: Catalog cuts, capacity and characteristics. 4. Recirculating Pumps: Catalog cuts, performance curves, and characteristics. 5. Sump Pumps: Performance curves, characteristics, and controls. 6. Sewage Ejector Pumps: Characteristics, catalog cuts, performance curves, holding tanks, and controls. PART 2 PRODUCTS 2.01 EQUIPMENT A. Domestic Water Pumps: a. Armstrong Pump Co. b. Canariis Corp. c. Pacific Pump Co. d. Peerless Pump Co. 2. Provide 1 constant pressure system designed to maintain Project No. SPECIFICATION GUIDELINES

2 pressure automatically without regard to system demand with minimum suction pressure of 10 psi. 3. Each pump shall be single stage end suction type with 250 pound casing, bronze impeller, suction and discharge pressure gages, sleeves and wearing rings, stainless steel sleeves, steel shaft, mechanical seals, and grease lubricated ball bearings. The packaged system and controller shall be mounted on a steel skid. Connect pumps through a flexible coupling to a drip proof motor 4. Each pump rated for gpm and tdh while operating at full rpm. 5. The controller shall be housed in a NEMA 1 skid-mounted cabinet with mechanical door interlocks. Panel shall include fused disconnects, across-the-line starters with thermal overload protection, control transformer, automatic alternator with manual override switch, magnetic contactors, high and low pressure limit switches, green running lights, and silicon controlled rectifiers. Power leads to the panel, from panel to motor and monitor, shall be connected to terminal strips provided in the panel. B. House Pumps: a. Canariis Corp. b. Pacific Pump Co. c. Synchroflo Pump. 2. Provide a prefabricated water pressure booster system with hydraulic accumulator tank designed to maintain a constant pressure automatically without regard to system demand with a minimum suction pressure of 10 psi. 3. Pumps shall be constant speed, single stage, endsuction type of cast iron, bronze fitted. Pumps shall have mechanical seals, suction and discharge pressure gages, and bronze wear rings. Mount system on a steel base with pumps connected to a drip-proof motor and controller mounted on skid. Piping to be copper Type L. 4. Each pump rated for gpm and tdh while operating at full rpm. 5. Each suction pipe shall be provided with a gate valve. Provide each discharge with a combination pressure regulating check valve and a gate valve. Project No. SPECIFICATION GUIDELINES

3 6. Controls: A low system pressure switch located on the discharge header to sense pressure drops and activate the standby pump. NEMA 1 control panel with fused disconnect switch, starters with overload protection, running lights, HOA switches. Panel shall include control transformer, indicating lights, relays, audio visual alarm and time clock to operate the accumulation tank pressure switch. C. Air Compressors: a. Ingersoll-Rand. b. Joy. c. Quincy. 2. Single stage, single acting, air cooled, noncontinuous duty units, mounted on a receiver. Units motor driven through a V-belt drive. Units shall have stainless steel valves, separate cast cylinders, finned intercooler, and low oil level protection. 3. Provide pressure gages, safety valves, service valves and drain valves, automatic condensate trap, air cooled aftercooler, magnetic motor starters, inlet filters, and silencers. 4. Units shall be controlled by an automatic start and stop control which starts compression when pressure drops to a predetermined level and stops compression when desired pressure is reached. 5. Receiver shall be galvanized steel inside and outside, horizontal type, and ASME rated. 6. Complete assembly shall be factory prepackaged, piped, wired, and engineered. Characteristics as shown on Construction Documents. D. Air Dryers: a. General-Zurn Industries. b. Honeywell. c. Ingersoll-Rand. 2. Refrigerated air type with precooler reheater, heat exchanger, and water separator. 3. Unit shall have magnetic starter and fused disconnect Project No. SPECIFICATION GUIDELINES

4 switch. 4. Complete assembly shall be enclosed in a steel cabinet with support frame. 5. Characteristics as shown on Construction Documents. E. Hot Water Circulating Pump: a. Bell and Gossett. b. Taco. c. Armstrong. d. Grundfoss. 2. Pump shall be in-line flanged, all bronze construction, close coupled, single stage, centrifugal type with characteristics as shown on Construction Documents, designed for continuous operation. 3. Impeller shall be of enclosed type, hydraulically and dynamically balanced, keyed to the shaft and secured with suitable locknut. 4. Provide mechanical seals with stainless steel springs and carbon seal rings. 5. Motor shall be non-overloading at any point on point curve with built-in thermal overload protectors, dripproof sleeve bearing, quiet operation, rubber mounted construction. F. Sump Pumps: 1/2 hp, 115V, 1 ph,60 cycle, 1725 rpm, cast iron construction. 262 Series by Zoller Pump Co. or accepted equivalent. G. Storm or Sewer Ejector Pumps: a. PACO Pumps. b. Weil Pump Co. c. Weinman Pump Co. 2. Submersible pump, close coupled, permanently sealed motor, stainless steel shaft, cast iron casing with integrally cast legs, cast iron impeller, cast iron strainer, 30 feet of waterproof cable. 3. Provide Square D 9038 Type AG mechanical alternator and Square D 9018 high water alarm with 6V transformer and 4 inch bell. Project No. SPECIFICATION GUIDELINES

5 4. Provide diameter cast iron basin cover with pump access openings, manhole and mechanical alternator mounting. 5. Characteristics as called for on Construction Documents. PART 3 EXECUTION 3.01 INSTALLATION A. Pad Mounted Equipment: Erect equipment on 4 inch high concrete pads a minimum 6 inches beyond equipment outline area unless otherwise specified. Concrete inertia blocks shall be mounted over the concrete pads. B. Unless otherwise specified, equipment mounted on vibration isolated bases shall have a minimum operating clearance of 2 inches between the inertia base or structural steel frame and the concrete housekeeping pad or floor beneath the equipment. Remove construction debris in clearance space capable of short circuiting or restricting the proper operation of the vibration isolation system. C. Vibration isolator sizes shall be determined by the vibration isolator manufacturer. Manufacturers shall verify with the Contractor that housekeeping pad size, shapes, and locations are correct. Locations of all vibration isolation devices shall be selected for ease of inspection and adjustment. D. Piping shall not be suspended from one another or physically contact one another. Vibrating systems shall be kept free from non-vibrating systems. E. Isolator manufacturer shall include with shop drawings submittals, a tabulation of lowest equipment operating speed and spring outside diameter, free height, operating height, solid height and deflection to springs. Failure to comply with these requirements will result in rejection of spring. F. Provide start-up by equipment manufacturer representative in the presence of the Contractor, the Board, and A/E. Procedure shall include a load test. G. Circulator Pumps: Support pump independently of the Project No. SPECIFICATION GUIDELINES

6 installed pipe line FIELD QUALITY CONTROL A. Pad mounted equipment shall be factory tested and adjusted to not require major field adjustments or balancing. B. House pumps shall be run simultaneously for a maximum of 30 minutes. During test the following will be demonstrated: 1. Automatic start and stop. 2. Manual start and stop. 3. Setting and adjustment of pressure switches and controls. 4. Sequential operation of lead and lag pumps and pump alteration. 5. Constant pressure with various demands. C. Air compressors shall be run with controls on line to demonstrate the following: 1. Automatic start and stop. 2. Manual start and stop. 3. Alternation of compressor motors. 4. Operation of condensate trap. 5. Operation of high pressure controls to verify safe stopping of equipment. 6. Setting of relief valve. D. Sewage ejector pumps shall be run with controls on line to demonstrate the following: 1. Automatic start and stop with water level switches. 2. Manual start and stop. 3. Alteration of motors. 4. High water level stop and alarm operation. END OF SECTION Project No. SPECIFICATION GUIDELINES

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