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Re: concrete cast around PVC

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PVC pipe is called out similar to steel pipe as Schedule 40, 80, or 120 per ASTM D1785.  I am sure schedule 40 is more than adequate.

Thomas Hunt, S.E.

From:        Andrew Kester <akester74(--nospam--at)>
To:        seaint(--nospam--at)
Date:        11/01/2010 12:44 PM
Subject:        concrete cast around PVC

I have a section of the top of a retaining wall where I will have some
PVC pipe penetrations (perp to the wall) of various types. This
section of the wall has no real load on it. The only stress on the PVC
will be the pressure of about a foot of concrete. Do I need to specify
a minimum thickness of PVC or some type of CIP sleeve? There will
hardly be any other plumbing on this job in regards to special
ordering something. Worse case pipe is 3" "regular drain pipe", don't
have any specs right in front of me, this is for rainwater deck

I have no issues with the wall, just making sure I am OK with the
pipe.. The wall is actually existing except for the top where we are
placing a repair section up to 2ft tall.

Thanks in advance,
Andrew Kester, PE

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