[Market-farming] Foundations

Allan Balliett igg at igg.com
Fri Jul 16 15:34:58 EDT 2004

Here's one for anyone who has basic building knowledge:

I finally got the sand filters for our irrigations system. 
Unfortunately, when filled with media (sand), the filters weigh about 
600lbs each and there are TWO of them. The area I need to install 
them in is a little damp. WIthin a day of installing them, they 
started to sink. Sinking would not be bad, but they are cocking and, 
with the linkages, etc, tipping IS bad.

I need to make a gravel foundation to set them on. The question: how 
deep does such a foundation need to be? 6inches? 4 ft? This filter 
will NOT be used in freezing weather, so I don't think frost line 
plays into this, just trying to get stability in rather loose ground.

Thanks -Allan

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