Drilling a hole in a joist

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  #1  
Old 06-13-03, 07:08 AM
U
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Drilling a hole in a joist

Hi-

I'm finishing my basement and I am currently running the copper plumbing for the water in my soon to be basement bathroom. Overhead, I have joists that are 11 1/4" high (when measured from bottom of joist to subfoor for above floor) by about 1 1/2 inches wide. Am I allowed to drill ONE, 1 inch hole through ONE joist to run a 1/2" copper pipe through it? Will that pass code when I have my work inspected by the village? What are the general rules for drilling through joists?

Thanks for your time in advance,
Steve
 
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  #2  
Old 06-13-03, 10:56 AM
Brewbeer
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Here are the rules:

http://www.wwpa.org/pdf/A11.pdf


Basically, what you want to do is ok. Try to keep the hole roughly 1/2-way between the top and bottom of the joist.
 
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Old 06-13-03, 02:52 PM
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Thanks!

Thanks for that .pdf document, brewbeer. It was very helpful!

Steve
 
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Old 06-13-03, 03:19 PM
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Brewbeer is correct. Only one hole per joist though.
 
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Old 06-13-03, 04:59 PM
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Before you start, think this all the way through. I envision you drilling holes in all of your joists, and then standing there with your 10-foot length of rigid pipe wondering how you're going to feed it through.
 
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Old 06-13-03, 06:18 PM
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Thanks!

Thanks for checking John but I'm only going through one joist. As I've built my basement I've done everything to avoid drilling any holes in my joists as I've run condit and the copper and such, but fortunately this is the ONLY hole I'm drilling in my entire basement that's going through a joist.

Now if you had only warned me when I was running conduit through my wall studs.......... : )

Steve
 
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