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detention basin

detention basin

detention basin

(OP)
Hi guys:

I get a detention basin in my project that water talbe is above the dBasin. Is there any general practice to fix this issue?

tsli001
 

RE: detention basin

You'll need to use an impervious geotextile liner.

RE: detention basin

Can't you make it a retention pond instead?  Dig it a little deeper so you have a nice pond and not a scum mat pool of water and work your outlets so you have available detention above the normal water level.  I've done this many times on rural sites and also designed a dry hydrant to go with it so it can be used as the water source for firefighting.

RE: detention basin

it's a wet pond and needs to be designed that way.  which issue did you want to fix?

RE: detention basin

I think the question is "what do I do if the water table is too high at my pond location to allow enough dry storage?" Then the answer is, "time to raise the site."

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