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Drilled holes in wood lagging

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gr8gonzo0

Civil/Environmental
Joined
Apr 30, 2007
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8
Location
US
How do I make sure my wood lagging can withstand a few drilled holes (as weep holes). I cant find a good method of analyzing this. Please help.
 
A. Lagging is generally not over analyzed, so it is generaly pretty conservative. One or two holes won't effect much. Often lagging has utlity penetrations in unforseen locations, which generally does not cause a problem. Probably would be good to keep holes & penetrations out of the middle third if possible.

B. Since lagging is only stacked, it is generally self draining. Some locations, straw is suffed between the boards to prevent migration of fines. Generally weep holes are not needed in lagging.
 
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