deep backflow valve.


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Old 03-28-16, 03:32 PM
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deep backflow valve.

Hello,

I have to help some family fill in the concrete that was busted up when the original clay main drain pipe was removed.

When they did the renovation they had a backflow valve installed. I was just over looking at the place and the valve is fairly deep. Almost 3 feet or so.

Most of the standard boxes I can find are 16". Is there any other options for a deep access box? I was thinking of maybe using one of those blue food barrels and cutting it to height or something.
 
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Old 03-28-16, 03:38 PM
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Or would it be better to just build a box frame out of wood. Pour my concrete. After it cures break out the frame and create some sort of lid?
 
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Old 03-28-16, 04:18 PM
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Ideally this would require a flush cover too. I don't think a blue barrel will work.
The valve also needs to be accessed for servicing.... correct ? So you can't bury it in concrete.

Can you post a picture of the area ? http://www.doityourself.com/forum/el...-pictures.html
 
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Old 03-28-16, 04:20 PM
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As the hole gets deeper you generally need a larger access opening. Imagine trying to repair or replace the valve 3 feet down while working through the access opening. The commonly available plastic ones sold at many home centers are OK for stuff 12-18" down but deeper than that I go to my local septic tank manufacturing company. They have pre-case concrete access hatches in a variety of larger and deeper sizes.
 
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Old 03-28-16, 05:03 PM
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box it in and get a flush mounted 2'x2' cover is how I've seen it done.
 
 

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