Plumbing · P-NEBYY

Oil Interceptor and Sump Pump Basin Plumbing Detail

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An underground concrete structure houses an oil interceptor chamber and a dual sump pump basin with AASHTO H20 rated manhole covers providing access at the finished floor level. The sump pump discharge piping incorporates check valves and gate valves with optional routing, while level switches establish specific vertical thresholds for pumps off, lead pump on, lag pump on, and high water alarm. A twelve inch minimum loose pigtail provides float actuation wiring to the control panel by the electrical contractor, complemented by a vent and visual inspection port. Invert elevations are coordinated per plans, and an explosion proof electrical connection is provided.

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