Water removal from a sump using pump and switching mechanism

Details Water removal from a sump using pump and switching mechanism Water removal from a sump using pump and switching mechanism

2008-11-12

2011-10-25

Kramer, Devon C (Department: 3746)

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

C187S414000

Reexamination Certificate

active

08043069

ABSTRACT:
A water removal system for removing water from an elevator pit that includes a sump, a pump, a pump input tube, a pump output tube and a switching mechanism. The sump at least partially extends below a lower surface of the elevator pit. The plump mounted outside of the elevator pit. The pump input line is operably connected to the sump and the pump. The pump output line is operably connected to the pump. The switching mechanism is mounted outside of the sump and is operably connected to the pump and the sump.

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Los Angeles Department of Building and Safety (LADBS), Information Bulletin/Public Plumbing Code, Document P/PC 2002-004, “Elevator Pit Drains.”

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