Plumbing · P-GWRYF

Elevator Sump Pump

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Elements

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A twenty-four by twenty-four by twenty-four inch reinforced concrete sump pit houses a submersible sump pump mounted on a pump stand. The discharge line features a check valve, union fitting, and a two-inch discharge pipe routed to a location specified on plans. Three switch floats inside the pit control the pump off level, pump on level, and alarm on level. A separate alarm panel is located in an adjacent room to the elevator shaft, connected via wiring provided by the mechanical contractor. A slotted grate covers the top of the pit.

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