02-11-1985 Council Packet - Laserfiche WebLink

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19. Wet well level -responsive automatic pump and alarm control system using the direct -acting_ liquid level sensors in the wet well. A controller/ Alternator shall have censor operation Simulation test switches, solid state alternation logic, lead pump alternation on successive starts, al- ternator over -ride control (auto, 1-2, 2-1), 24 volt sensor excitation, alarm and pump control relays. Provide an adjustable 0 - W) second timer to delay starting of the lag pump sucF, that if the wet 11 floods hiring a power outage, both pumps will not start at the same tir 14. An inner door mounted duplex GFI type convenience receptacle rated at 15 ampers shall be supplied for the operating of trouble lights, drills, etc. It shall be protected by a separate 15 ampere trip rated circuit hreak.r. 20. NAaters shall he provided of the size and number to prevent condensation inside the panel. Heaters shall he thermost.tically controlled and shall he field adjustable. 21. provide normally closed relay that will open neon any alarm condition or power failure for future telemetry to a remote location. 35,100.10. PIPING AND VALVES: Piping, valves and fittings shall be of the size and type shown on the plans. All pipe And fittings inside the pump cham- ber and valve vault shall be ductile iron or cast iron with 125 lb. flanged joints conforming to AWWA C110. r115, (:150 and (151. Gaskets shall be utility ring gaskets. All pipe and fittings shall he furnished with standard thickness cement mortar lining conforming to AWWA C104. All huried iron pipe shall he electrically conductive. F..ach pump discharge shall be provided with a shk,toff valve and two check valves. Shutoff valves shall he De7.urik Eccentric Valves or approved equal fitted with sealing materials for water service. Valves shall he designed for 150 psi working pressure and furnished with Class 1?5 lb. flanges. Valves shall be epoxy coated inside and outside. The val.ves shall be furnished with an extension stem with universal joint and flour box cast into top slab as shown on the plans. Fxtension stem shall he secured to valve operator. Check valves shall be Flvgt HDL or Grav Series 5000 hall check valves with cast iron body with nitril rubber coated steel hall -Aided by smooth rib, cast in the body wall. Valve shall he designed for I'),) Dgi working prear..ire and furnished with Class 125 lb. flanges. ;5,100.11. PAINTING: All metal surfaces inside the wet well, except aluminum access hatch and ladder, galvaniz�1 guide bars, factory finished pumps and metal fac,-s of the pump discharge connections, shall be painted with two coats of Koppers 300-M or approved equal. The pump manufacturer shall supply a touch-up kit for repairing the pump finish. 3g,100-In n-- 5A41 c t'.,pvr i ght I QM R:.nest rocs, Rospne . An-'e r I i k 6 Associate+, Inc.