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  1. #1
    Join Date
    Feb 2011
    Location
    Oregon
    Posts
    41

    Default drain line through a floor joist

    I came across an ABS drain line that ran through a floor joist yesterday. Code check says it's o.k. (per man specs) if it is in the middle of the joist. Which it is. Saying "big holes" are o.k. in the middle of the joist. To me "big hole" seems like a big gray area. According to the pic in the code check book, quite a big hole is allowed. Comments, wisdom?
    Thanks,
    Steve

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  2. #2
    Join Date
    Mar 2007
    Location
    Knoxville, TN
    Posts
    2,446

    Default Re: drain line through a floor joist

    If its an I-joist, then the holes can be pretty large. If its a regular lumber joist - not so much, and there are several criteria for size and placement.


  3. #3
    Join Date
    Mar 2007
    Location
    Santa Rosa, CA
    Posts
    2,481

    Default Re: drain line through a floor joist

    Take a look at these.

    Attached Files Attached Files
    Department of Redundancy Department
    http://www.FullCircleInspect.com/

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