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15- Pump Screen: Provide corrosion~resistant ser'een with m~nhnum t.w(~lve <br /> (12) square feet surface area, with maximum ene--eightt~ (1/8) inch <br /> openings, surrounding pump extending above maximum effluent <br /> <br />16- Pump pull Rope: Provide non-corrosive, nos-b~odegradable lifting <br /> device (pol. yproplene rope) connected to pump for means of removal <br /> for servi, ce- Secure to pr~event interfnrence with pump and controls. <br /> <br />17. Vault Lifting Device: Provide non-cozr'o~ive, non-biodegr~dabln <br /> lifting device (polypropy]ene rope) connected to pump vault to <br /> facilitate removal. Secure device to prevent it~terfere~ce with pump <br /> and controls. <br /> <br /> 18. Float Controls Assembly: Float controls cannot be connected to pump <br /> discharge pipe. Provide float control assembly of non-corrosive <br /> non-biodegradable material, antibouyant designed and constructed to <br /> be serviceable and installed accessible. <br /> <br /> 19. Pressure Piping: Must meet or exceed reqnjrements for Class 160 PVC <br /> 1120 pressure pipe as identified in ASTM specification D2241. <br /> <br /> 20. Road Crossing: Use Schedule 40 PVC installed a minimum of 18 inches <br /> below grade, bedded and backfilled with 3/4" minus crushed reck to <br /> fin] shed grade. <br /> <br /> 21. Tr~er Wire: Provide tracer wire of 3.~ gauge green jacketed copper <br /> wire in trench the full route of the pipe made accessible at the <br /> <br /> 22. Electrical; Pump, alarm and ~ontrols shall be wired to Code, the <br /> work covered by permit and inspected. Provide an easy readily <br /> acoess~ble means of disconnect at the pump station. <br /> <br />SAND ?iLTE <br /> <br />23. Filter Fabric: (]lover with filter fabric overlapping ..';earns by six <br /> (6) incl~es minimum- Fabric ~lt]-=;t meet specitication(s) en?losed <br /> <br />24. <br /> <br />25. <br /> <br />Lateral Piping: Shall be installed level and have not: less than six <br />(6) inches of gravel below, nor 'less than four (4) inches of grave]. <br />above pipe. <br /> <br />GraveL,. Use clean, wa.~ ~ed, round gravel; minimum 2/4 inch diameter <br />to maximum 2 ~/2 inch diameter. No crushed rock. <br /> <br />26. Liner Gasket: Cover all corners and/or seams witt~ a six (6) inch <br /> wide strip of filter fabric or equal between [liner and wall. <br /> <br />27. Liner Protection: Provide a minimum four (4) inch bed of clean, <br /> compacted sand between liner and the excavated basal surface. <br /> <br />28. Groundwater Interceptor: Provide groundwater interceptor around <br /> perimeter of filter box installod to an elevation equal to base of <br /> excavation; add 12" of medium drain rock over pipe and cover with <br /> filter fabric. <br /> <br /> <br />