Modular drainage channels
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United States of America Patent
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Nov 18, 2003
Grant Date -
N/A
app pub date -
Apr 18, 2002
filing date -
Oct 18, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An underground infiltration drainage system comprising water storage and/or water formed by a plurality of load bearing box like modules (1, 16 and 19), arranged adjacently and wrapped in water permeable geotextile. The modules have external walls (2) with openings (6) therethrough, such that water can flow into and out of the storage and/or piping through the perforated walls (2). The perforated walls (2) have peripheral edge members (3), with thin web members (4), extending between the peripheral edge members (3), to form support for the geotextile, and to define the openings (6). This arrangement while providing structural strength, also provides a large area of perforations.
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