Patent ID: 6629390
Filing Date: 2003-10-07
Classification: E02D,E04B,Y10S

Abstract:
In combination:a structure extending over a predetermined area and an environmental protection and detection system for said enclosed structure comprising: a fluid impermeable layer positioned beneath the enclosed structure and extending under the entire area thereof for preventing gases emanating from sources beneath the enclosed structure from percolating upwardly into the enclosed structure and for preventing liquids leaked or spilled within the enclosed structure from flowing downwardly into the underlying soil and ground water; a first length of perforated pipe situated beneath the fluid impermeable layer for receiving gases emanating from sources located beneath the enclosed structure; means for venting the first length of perforated pipe to the atmosphere; a second length of perforated pipe situated above the fluid impermeable layer for use in the detecting and removing liquids spilled or leaked within the enclosed structure; and means for connecting the interior of the second length of perforated pipe to a location outside the enclosed structure.