Sewage tank for use with a pump to convey sewage

Sewage tank for use with a pump to convey sewage

SEWAGE TANK FOR USE WITH A PUMP TO CONVEY SEWAGE There is disclosed a sewage tank (20, 100, 200, 300) for use with a pump (12) to convey sewage. The sewage tank includes a container (21) having an upper portion (24) and a lower tapering portion (22) defining a chamber (30). The lower tapering portio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DALEY, PAUL J, HENRY, CLARK A, MASSEY, ADRIAN
Format: Patent
Sprache:eng
Schlagworte:
CESSPOOLS
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SEWERAGE
SEWERS
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
WATER SUPPLY
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Beschreibung
Zusammenfassung:SEWAGE TANK FOR USE WITH A PUMP TO CONVEY SEWAGE There is disclosed a sewage tank (20, 100, 200, 300) for use with a pump (12) to convey sewage. The sewage tank includes a container (21) having an upper portion (24) and a lower tapering portion (22) defining a chamber (30). The lower tapering portion has a reduced size compared to the upper portion. The lower tapering portion of the io container comprises an outwardly extending member (40, 110) spaced below a bottom of the upper portion, spaced below a portion of the lower tapering portion, and disposed generally adjacent to a bottom of said lower tapering portion. The lower tapering portion of the container and the outwardly extending member are configured to allow backfilling of material in an area between an upper surface of the outwardly-extending member and 1s an outside surface of the lower tapering portion of the sewage tank so that the backfill provides sufficient ballast under high ground water conditions.