Drainage apparatus for sub-terranean structures

Details Drainage apparatus for sub-terranean structures Drainage apparatus for sub-terranean structures

E - Fixed Constructions

02

D

61/32

E02D 3/10 (2006.01) E02D 31/02 (2006.01)

Patent

CA 1197386

ABSTRACT OF THE DISCLOSURE The present invention relates to an elongate drain- age apparatus for preventing water from seeping into the inte- rior of a sub-terranean structure by diverting the water to the structure drainage system. The apparatus includes an elongate flexible channel providing a medium along which water flows and pliable water permeable sheet material surrounding the channel and being slidingly engageable with the channel. The water permeable sheet has a higher resistance to water flow than the channel such that the water absorbed by the sheet is communicated to the channel. The present invention further relates to a drainage system including a plurality of drainage apparatus extending vertically in engagement with a supporting structure and terminating at the lower end below the sub-terranean structure. The present invention further includes a spring clamp for securing the elongate drainage apparatus in engagement with the supporting structure.

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