Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition
Patent
1995-01-17
1998-05-19
Graysay, Tamara L.
Hydraulic and earth engineering
Drainage or irrigation
Control means responsive to sensed condition
405 38, 405 43, 405 57, E02B 1100, E02B 1300
Patent
active
057527849
ABSTRACT:
A drainage system for a natural turf athletic field includes a buried drainage network located above a water impermeable membrane which conforms to the topography of a compacted subsoil, the drainage network including a plurality of water impermeable pipe rows partially recessed in depressions in the subsoil and a plurality of water permeable conduit rows oriented perpendicular to and intersecting the pipe rows. At each intersection, a low profile coupling interconnects the respective pipe row to the respective conduit row, the coupling having a vertical dimension less than the combined vertical dimension of the pipe rows and the conduit rows. A fill layer covers the membrane and supports natural turf thereabove. The drainage network connects to a a gravity drain and a water supply. The design of the drainage network results in reduced excavation and simplified construction, thereby lowering the installation cost for the system. The system may also include a subsystem for vacuum-enhanced drainage, or irrigation and sensors for automatically initiating these features.
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Goddard James B.
Heinlein Mark A.
Motz Joseph E.
Tyner Carl
Graysay Tamara L.
Lagman Frederick L.
The Motz Group
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