E 1 SEWAGE EJECTOR SYSTEM HOW TO
E 1 SEWAGE EJECTOR SYSTEM INSTALL

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E 1 SEWAGE EJECTOR SYSTEM HOW TO

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E 1 SEWAGE EJECTOR SYSTEM INSTALL

I would install a cleanout at the belly to allow for rodding or pressure cleaning of the sewer for peace of mind though. There are effluent filters that offer 1/16' filtration and drawing from the clear zone of properly sized septic tank would prevent clogging issues. If you can convince the governing bodies that it would work, you could even omit the pump and just run a straight STEG variable grade sewer. Pump the filtered effluent via a 1-1/2' force main to your gravity manhole. Install at the pavilion a watertight 1,500 gallon 2-compartment septic tank with a filtered pump vault and 1/2 HP, 10 GPM pump (make sure to include an anti-siphon valve). I would recommend a Septic Tank Effluent Pump (STEP) or Septic Tank Effluent Gravity (STEG) system. RE: Pumping Down Hill Spartan5 (Civil/Environmental) 24 Nov 10 10:31 Your first instincts about grinder pump and small diameter force main seem to be right on target. This type of pumping arrangement is very inefficient for the size of your facility and will be an energy hog, be expensive to install because of the large pumps and its associated hardware, large wet well requirements, etc.īefore you make up your mind about the pumps, check out the E-one website, Orenco, or, the Small flows clearing house to get further information about variable grade pressure sewers. Using a 4' line will require larger pumps to achieve a flow rate with the appropriate scour velocity. The 2' size is more than adequate when using a a small grinder pump. There has been a lot of discussion concerning the diameter of the force main. There are a number of manufacturers who provide prefabricated pump stations that handle this situation. The situation you describe concerning pumping downhill is a typical situation is variable grade pressure sewers. Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - RE: Pumping Down Hill bimr (Civil/Environmental) 19 Nov 10 18:13 You wouldn't need detailed topo, just maybe 3 spots and a site visit. Then make a more informed decision at the pricing phase, by pricing both options out and comparing life cycle costs for your client. My recommendation was and is to figure out what the grades are like, hoping that a (larger than 2 inch) gravity system is an option. Easier maintenance, much cheaper to construct, etc.īut that presumes I was going to go with a '2 inch force main' at all. Then run along the top face of the culvert and follow the northern right of way the rest of the stretch. In fact, if *I* were going with a '2 inch force main,' I certainly wouldn't jack and bore under the road to catch that manhole, I'd turn under the road through the culvert and out the other side, bolting it to the underside of the culvert. If you're going to pump the whole way anyway, then there's no point in doing an aerial crossing. Do you really think that someone would construct an aerial sewer crossing for a 2' force main considering that the crossing will be located adjacent to a park?

E 1 sewage ejector system