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C < < � <br /> Redwood,cedar or <br /> Water tight 8 lockabla electric box treated post (4x4 min) � <br /> Plugs or electric connections <br /> 2" PVC conduit schedulo 80 All electric connections <br /> P�lanhole cover chainod & locked made insice box <br /> Sealed manhole rings � Loop of power cord <br /> 6" space for stettlement <br /> Finai grade <br /> Union At least 12" Frostproofing the discharge pipe <br /> below grade <br /> Wire from power Place a rock envelope around discharge pipo. <br /> supply Rock should be 3/4 to 2 1/2 inches in <br /> �� Pipe is laid on a uniform slopo diameter, with no sand. Cover with a 2 <br /> i . inch thick sheet of expanded polystyreno. <br /> Piastic rope or chain with � irom pump station up to soil �n/herever possible maintain a grass cover <br /> anchor "— � treatment area for proper <br /> � drainback over top of trench and aliow snow to <br /> Sealod tank cover remain in place. When snow cover is <br /> Alarm iloat on soparate If pipe at tank must be lowor light, place a 6 inch hay or s?raw layer <br /> electrical circuit than union to get elevation for on ground above pipe. <br /> drainback, a 1/4 inch weep <br /> hola must be used <br /> Slart level4_ <br /> ------- ---H-�— --- — --- Weephole <br /> _ , <br /> ` Notes: Electrical wira from powor supply <br /> must not run over any tanks but <br /> Shut^o((_lovol pr__ __ ___ must bo laid bosido othor tanks and <br /> must be placod in conduit along post <br /> Pump control fioat Electrical cords trom pump and Backfill <br /> O O O floats must be run through <br /> conduit. Wires cannot have ground � <br /> contact. Expanded <br /> polystyrene <br /> Pumping rate should not exceed drop box outflow capacity or 45 gallons per minute 6" 6 6` <br /> (2700 gailons per hour). <br /> Pump dischargo head must be adequate to overcome elevation difference between tho <br /> Discharge pipe 6� � <br /> pump and distribution box plus friction loss in discharge pipe. Rock 3/4" - 2 1/2" dia. <br /> -7 <br /> ,.-. <br />