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how to empty detention pond thru gravity if outfall is higher elevation

thread162-420873

how to empty detention pond thru gravity if outfall is higher elevation

how to empty detention pond thru gravity if outfall is higher elevation

(OP)
how to empty detention pond thru gravity if outfall is at higher elevation?


RE: how to empty detention pond thru gravity if outfall is higher elevation

basically, you cannot do this by gravity (unless you could set up a siphon situation, which would be tricky to engineer/justify). even a siphon would probably not meet regulatory requirements.

pipe through the berm is the most common way, typically with a concrete structure within the pond to control the flow from the different design storms (i.e. 1-yr, 10-yr, 100-yr storms). what jurisdiction (country/state) is the project located?

RE: how to empty detention pond thru gravity if outfall is higher elevation

pump

RE: how to empty detention pond thru gravity if outfall is higher elevation

If you need to drain it temporarily, you can set up a siphon.

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