Drainage system

Details Drainage system Drainage system

E - Fixed Constructions

04

B

94/3, 72/41

E04B 5/48 (2006.01) E04D 11/00 (2006.01) E04D 13/04 (2006.01)

Patent

CA 1187306

INVENTOR : JOSEPH SARTOR INVENTION: DRAINAGE SYSTEM FOR HORIZONTAL SURFACE ABSTRACT OF THE DISCLOSURE A drainage system for a horizontal surface such as that defined by a structural concrete panel is described. The drainage system includes a cladding constructed of a multiplicity of rectangular panels in edge-to-edge abutted relationship placed over the horizontal surface. An upper face of each panel has a criss-cross network of intersecting grooves which place side edges of the panel in fluid communication with other side edges. The opposing, lower face of each panel has a second criss-cross network of inter- secting grooves which also place the side edges of the panel in fluid communication. The depths of the grooves are such that the first and second networks intersect at a multiplicity of points so that water can travel between the opposing faces of the panels. Each panel has water-permeable filter material cover- ing the upper face of the panel. Thus, in a typical - 2 - application such as landscaping in which dirt is deposited on the cladding or the provision of a terrace above a parking garage in which gravel is deposited on the cladding to support a deck, any dirt entrained by water flowing into the cladding does not enter the grooves of the panels. The generally horizontal surface of the concrete slabs can be slightly inclined and provided with appropriately positioned openings to permit removal of water from the panels of the cladding.

420638

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