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Drypack tierod hole for buried septic tank

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oldagpe

oldagpe

Electrical
Joined
Feb 9, 2007
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27
Location
US
After casting-in-place a buried septic tank with 12" thick walls, the form tie-rods will be removed leaving a 0.83" diameter hole through the concrete.

The question is what is considered sufficient to seal the hole: dry pack with Type 2 cement; dry pack with hydraulic cement; foam; or other?

Thanks.
 
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