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Thread: Running Risers

  1. #1
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    Running Risers

    If you had s new construction with metal deck and poured slab do you think labor installing riser conduits would be different if you were running through a closet or through shaft/slot? Don't see how it would make a difference.....it would just be an opening in either case.

  2. #2
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    A hole is a hole, shouldn't matter if you're running the risers after the pour through a slot.
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

  3. #3
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    Quote Originally Posted by infinity View Post
    A hole is a hole, shouldn't matter if you're running the risers after the pour through a slot.
    Figured that. Any things you've come across running risers that stand out to be aware of?

  4. #4
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    I am not familiar with the installation you are talking about. Core drilling and where those cords can be drilled if in a tension slab can be a fairly significant cost
    Electricians do it until it Hertz!

  5. #5
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    Quote Originally Posted by mstrlucky74 View Post
    Figured that. Any things you've come across running risers that stand out to be aware of?
    Make sure that the slots in the deck are the right size and line up with each other or you end up with this.

    Click image for larger version. 

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    Rob

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    All responses based on the 2014 NEC unless otherwise noted

  6. #6
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    Quote Originally Posted by mstrlucky74 View Post
    Figured that. Any things you've come across running risers that stand out to be aware of?
    Make sure that the slots in the deck are the right size and line up with each other or you end up with this.

    Click image for larger version. 

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    Click image for larger version. 

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    Rob

    Moderator

    All responses based on the 2014 NEC unless otherwise noted

  7. #7
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    Quote Originally Posted by infinity View Post
    Make sure that the slots in the deck are the right size and line up with each other or you end up with this.

    Click image for larger version. 

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    Click image for larger version. 

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    lol...nice offsets. thx

  8. #8
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    Quote Originally Posted by infinity View Post
    Make sure that the slots in the deck are the right size and line up with each other or you end up with this.

    Click image for larger version. 

Name:	IMG_20170825_094730.jpg 
Views:	199 
Size:	145.9 KB 
ID:	20221



    Click image for larger version. 

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Views:	183 
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ID:	20222
    BTW is there metal deck within that slab? How was that opening created? Formed out? Thanks

  9. #9
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    Quote Originally Posted by mstrlucky74 View Post
    BTW is there metal deck within that slab? How was that opening created? Formed out? Thanks
    No metal Q-deck just forms, rebar, and concrete. The slots we're boxed out before the deck was poured. We had several locations where they were incorrect and didn't align with the floor above. Estimate called for straight pipe....
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

  10. #10
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    Quote Originally Posted by infinity View Post
    No metal Q-deck just forms, rebar, and concrete. The slots we're boxed out before the deck was poured. We had several locations where they were incorrect and didn't align with the floor above. Estimate called for straight pipe....
    Shouldn't that be a change order?

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