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    ea9311 Posts: 8, Reputation: 1
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    Mar 17, 2010, 08:41 AM
    Plumbing drain support
    According to the virginia code, dwv pvc underground must have a bell hole,hub hole, coupling hole where pipe is joined. What are they? Also where the pipe goes through the block wall a releiving arch is required. What is that? Thanks for any insight

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