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Joined: Apr 2004
Posts: 93
Lunker
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OP
Lunker
Joined: Apr 2004
Posts: 93 |
The flow from my new 3/4 acre pond exits thru a 10 inch pvc standpipe. The standpipe is in approx 7 feet of water with an area of 12 foot depths close by. Average pond depth is around 8 feet. I would like to add a sleeve over the standpipe to release bottom water.
1. Will it be beneficial to release water from 6 to 7 foot depths when there are deeper areas in the pond?
2. What would be the easiest thing to use for a sleeve? I was thinking of the large black plastic pipe. Not sure what size to use.
3. How to attach the sleve to the existing standpipe? Hangers of some sort, with a cement block tied to the bottom for weight? Any thoughts or experiences appreciated. Thanks, Coach B
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Joined: Apr 2002
Posts: 3,347 Likes: 99
Editor, Pond Boss Magazine Lunker
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Editor, Pond Boss Magazine Lunker
Joined: Apr 2002
Posts: 3,347 Likes: 99 |
Coach B..here's some answers. 1. Yes, it will. Most ponds stratify at four to five feet each summer. Releasing water below the thermocline is beneficial. 2. Use a bigger pipe. You probably need 14" or larger. 3. I attach the sleave by drilling holes across the pipe, six inches from the "top" of the sleave, then running a piece of all-thread through the holes, providing a "bar" all the way across it. Then, I drill a second set of holes perpendicular to the first, and run a second piece of all thread, so they look like an 'x'. Secure the all-thread with nuts. Then, gently drop the sleave over your pipe. Works well, and is easy.
Teach a man to grow fish... He can teach to catch fish...
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Joined: Apr 2005
Posts: 11
Junior Member
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Junior Member
Joined: Apr 2005
Posts: 11 |
Bob,
This is an interesting idea. I have a similar set up on my pond as Coach does. My standpipe is 8" diameter. I have a very high flow rate, especially this time of year. I calculate it to be about 250G/min at the present. I see the concept and it makes sense. I am concerned that increasing the height of the standby by 6" may be too much. I presume if the diameter of the sleeve pipe is not great enough to carry the flow, the water will rise over the sleeve, correct. Is there a formula that could be used to find out exactly what size pipe would be needed?
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Joined: May 2003
Posts: 103 Likes: 1
Lunker
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Lunker
Joined: May 2003
Posts: 103 Likes: 1 |
Bob, since this subject is started, sorry coach going to change the question format Could this bottom draw technique be applied to an existing, conventional tin culvert? Thanks, FH
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