Foundation Plumbing Inspection

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  • There may be an inspection during the foundation phase.

Notes:

  • 5 lb pressure on a gauge with 0.1 PSI increments per IRC P2503.9 [1]
  • Final drainpipe - is covered to crown, and if step on it, it is not bouncing. But when is this done for a slab - we must have plumbing prior to pour?
  • 3" pipe - 1/8" slope per foot.
  • 2" pipe - must have 1/4" per foot slope on showers.

Sourcing

  • See spreadsheet for SEH 2 [2]
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