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Thread: plumbing plans

  1. #1
    I've built 6 small homes part time builder's Avatar
    Join Date
    Feb 2007
    Location
    arizona
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    1

    Default plumbing plans

    I know this probably plumbing 101, but here's my question : I have built several homes myself in the past, and am planning a mother-in-in-law suite / guest house. It's a simple square with 1 bathroom and a "bar sink", so I thought I could draw the plans myself this time. The county is asking me to show a sanitary invert at the 2 way cleanout and HCS. The plans for my other houses only show the 2 way cleanout and the vent thru roof as cleanout. These are new requirements since the last time I built. Please help.

    Thanks,
    part time builder

  2. #2
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Location
    Cave Creek, Arizona
    Posts
    25,633

    Default invert

    The "invert" is the depth of the bottom of the pipe relative to some standard measurement, whether it is a benchmark, or the finished floor level. In other words they want to know how deep it will be.

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