Sewer flood control systems
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United States of America Patent
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Dec 18, 2018
Grant Date -
N/A
app pub date -
Oct 4, 2012
filing date -
Oct 4, 2012
priority date (Note) -
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Abstract
A sewer flood control system including a vault formed of a strong light weight material. The vault being formed of one or more sections which can be carried by one or more persons and lowered into a hole dug by hand which is only slightly larger in cross section than the vault sections. A base under said vault sections, with a sump extending below said base. A pair of check valves located near the bottom of the vault, connected in series between a pipe connect to a public sewer system and a sewage discharge pipe from a building. A flow path for sewage from the building to enter the sump when the check valves are closed, and a ejector pump in said sump for discharge said sewage into the pipe connect to the public sewer system.
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