Drainage seal for sewage system

Details Drainage seal for sewage system Drainage seal for sewage system

E - Fixed Constructions

03

B

137/18.1

E03B 9/00 (2006.01) E03F 5/02 (2006.01) E03F 9/00 (2006.01)

Patent

CA 1181315

ABSTRACT To facilitate cleanout of a sewer a guide member is located with a manhole to guide a cleanout tool into the sewer. The sewer is downwardly inclined adjacent the manhole so that the inlet enters at a location below the outlet and a predetermined level of liquid is maintained in the manhole. The guide member comprises a base with a pair of upstanding wings that project above the predetermined level to present a pair of guide members for the insertion of the cleanout tool.

430662

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