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Sub-floor drain conduit for water-control systems

  • US 5,501,044 A
  • Filed: 08/31/1994
  • Issued: 03/26/1996
  • Est. Priority Date: 08/31/1994
  • Status: Expired due to Term
First Claim
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1. An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base supported on a footing and having a floor with outer peripheral edges which extend to the base of said wall and cover said footing, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising a vertical upper wall portion which is designed to extend above the surface of said floor, adjacent the wall of said room, said vertical upper wall portion having a rear surface comprising uniform spacer means for engagement with the wall of said room to space the rear surface of the vertical upper wall portion from the wall of said room and provide therebetween a narrow drainage space to admit water flowing down the wall of said room, said vertical wall portion extending downwardly and outwardly, away from the vertical, to a horizontal base wall portion designed to engage the wall footing and support the conduit element thereon, said vertical and horizontal wall portions enclosing an elongate conduit section which is open to the admission of groundwater to convey said water peripherally through said drainage conduit element to one or more remote drains.

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