Structure for gaining access to an underground pipe

Details Structure for gaining access to an underground pipe Structure for gaining access to an underground pipe

E - Fixed Constructions

02

D

61/2.4

E02D 29/12 (2006.01) E03F 5/02 (2006.01)

Patent

CA 1175243

ABSTRACT An underground pipe passes with clearance through the base of a manhole so that the pipe can move relatively to the manhole. An opening leading to the pips is closed by a removable water-tight lid level with the floor of the man- hole, which floor is provided by the upper part of the base. Accordingly the interior of the pipe is isolated from the surrounding environment by the lid, without it being necessary for the manhole to be water-tight.

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