Laserfiche WebLink
Redwood,cedar or <br />Water tight & lockable electric box <br />treated post (4x4 min) <br />Plugs or electric connections <br />All electric connections <br />2' PVC conduit schedule 80 <br />made ins" box <br />Manhole cover chained 3 locked <br />Sealed manhole rings <br />Loop of power cord <br />6 space for stettlement <br />Final grade <br />Union At leas! 12' <br />below grade <br />Wire from power <br />supply <br />Pipe is laid on a uniform slope <br />Plastic rope or chain with <br />from pump station up to soil <br />anchor Do <br />treatment area for proper <br />Sealed tank cover <br />drainback <br />Alum float on separate <br />If pipe at tank must be lower <br />electrical circuit <br />than union to get elevation for <br />drainback, a 1 /4 inch weep <br />hole must be used <br />Start_ — — Q _ _ —�� — _ <br />_ _ _ _ Weep hole <br />N, <br />Notes: Electrical wire from power supply <br />must not run over any tanks but <br />Shut-off level _ _ _ <br />------- -- <br />_ _ _ _ must be laid beside other tanks and <br />must be placed In conduit along post <br />Pump control float <br />Electrical cords from pump and <br />000 floats must be run through <br />conduit. Wires cannot have ground <br />contact. <br />Pumping rate should not exceed drop box outflow capacity or 45 gallons per minute <br />(2700 gallons per hour). <br />Pump discharge head must be adequate to overcome elevation difference between the <br />pump and distribution box plus friction loss in discharge pipe. <br />0 <br />Frostproofing the discharge pipe <br />Place a rock envelope around discharge pipe. <br />Rock should be 314 to 2 1/2 inches in <br />diameter, with no sand. Cover with a 2 <br />inch thick sheet of expanded polystyrene. <br />Wherever possible maintain a grass cover <br />over top of trench and allow snow to <br />remain in place. When snow cover is <br />light, place a 6 Inch hay or straw layer <br />on ground above pipe. <br />Backfill <br />Expanded <br />polystyre <br />6c <br />Discharge pipe <br />6' <br />Rock 3/4' - 2 1 /2' dia. <br />