Plumbing · P-CKBBZ

Concrete Sump Pit and Pump Assembly

Materials

Elements

Entrances Connections / Plates Roof / Floor Openings

About this detail

A concrete sump pit houses submersible pumps guided by rails and lifted by eye bolts, with a chain hoist furnished by the owner. Four level switches regulate the lead pump, lag pump, and high-water alarm, with heights specified per the sump basin schedule. A sanitary waste inlet enters the pit, while a forcemain discharge routes wastewater through a check valve and butterfly valve. The pit is sealed at the top with a recessed wet well cover furnished by the pump manufacturer over a gasket, alongside a vent and control conduit running to the pump controller in sealed, intrinsically safe conduit provided by the electrical contractor.

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