Underground drainage system
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United States of America Patent
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Sep 22, 1998
Grant Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Dec 14, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An underground drainage system comprising piping and storage tanks (4) made from perforated wall modules (8) to form the desired size and configuration, which is wrapped in a water permeable geotextile (9). The system is preferably buried in clean sand (10 ), whereby rainwater and runoff water is directed to flow through the water permeable geotextile (9) through the perforated wall modules (8) and into the piping (4) where the thus filtered water can travel along the piping (4) to flow back through the walls of the piping (4) into the first available strata where the surrounding ground is not saturated.
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