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Bracing a stud that has been cut too much

Discussion in 'Residential Building Codes' started by calf85, Mar 2, 2020.

  1. calf85

    calf85 Registered User

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    I'm installing a bathroom above an existing one, and when running the shower drain pipe I got overzealous without thinking and cut a 3" hole in a 2x4 for the drain (red circle in photo). Only 2 3/8" is allowed by code. How do I brace this to pass inspection? I was thinking about putting 2x8 blocking above and below the cut and then running king studs (with the 4" side facing out) down to the sill plate. Previous builder did something similar (yellow circle). Is that sufficient? This is old construction with 2" actual studs, plus it's at an angle, so I can't just use a stud shoe. Thoughts?

    [​IMG]
     
  2. ICE

    ICE Moderator

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    Looks like there's more studs than would be required. If you're concerned, a 16 gauge strap could make a difference.
     
  3. calf85

    calf85 Registered User

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  4. cda

    cda Sawhorse

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    Welcome,,,

    One reason I do not do much DYI on my house, plus, I have a contractor/handyman on speed dial!!!

    Keep on going, I like the answer above, not my area, but appears enough support, but would reinforce in some manner.
     
  5. mtlogcabin

    mtlogcabin Registered User

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    [​IMG]
    simpson stud shoe
     
  6. calf85

    calf85 Registered User

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    I can’t use a stud shoe because the studs are too wide (2” actual) and the hole is at an angle.
     
  7. ADAguy

    ADAguy Registered User

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    So, get a sheet metal shop to fab one?!
     
  8. Pcinspector1

    Pcinspector1 Platinum Member

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    Do you know if the wall is load bearing?

    Simpson makes a SS2.5 which is wider and you can maybe get a spacer cut to fill the gap.

    I think the CTS-18 strap you posted if non-load bearing is better than nothing.
     
    jar546 likes this.
  9. mark handler

    mark handler Sawhorse

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  10. Inspector Gadget

    Inspector Gadget Registered User

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    Fascinating. Our office just put out a bulletin about professional plumbers doing exactly this. What I've allowed for, as repairs to a damaged load-bearing stud (I presume this is a load-bearing stud?) is to have a 2x4 inserted sideways to sister against the damaged member.
     

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