Design Requirements for Sewage Pumping Stations - The City of ...

City of Wentzville, MissouriEngineering Design Criteria6. Structure elevations at the:a. Footing bottomb. Wet well flow linec. Valve chamber floord. Structure top7. On pre-cast stations, gravity lines must have their angles of entryincluded on the structure plans at their point of entry to the structure.8. All pipes must enter the structure walls with a one foot minimumdistance from the center line of the pipe to the face of the adjoiningwall to allow for proper pipe gasket placement.9. One detailed section joint shall be included on the structural sheet.Actual joint elevations shall be determined by the precastmanufacturer.10. A sectional view of the chamber tie walls detailing each wall as youare facing it from the pump chamber and valve chamber side.11. To prevent the possibility of the valve chamber pulling the top sectionof the wet well off of the joint, a poured counter weight is required tooff set the mechanical lever arm tipping force. The counter weightshall be monolithically poured at the bottom of the upper most wetwell section opposite of the valve chamber tie wall. Size and weightof the counter weight shall be shown on the plans.4.02.04 Structure SheetThe purpose of this sheet is to provide an accurate, complete, non-clutteredstructure sheet for the pre-cast company. All measurements and informationneeded to cast this structure should be included on this sheet. The pump,pipe, and electrical details shall not be displayed on this sheet. Informationnot pertinent to the structure should not be included. Structure plans shall bedrawn to a ½” equals 1’ scale on its own individual plan sheet.4.02.05 Electrical Plans1. Electrical Plans shall be submitted detailing all:a. Field and factory schematics and wiring diagramsb. Conduit and wire sizesc. Conduit layouts from:i. The electric service entrance to the control panelii. Control panel to the valve vault4 - 7 Approved 6/10/09