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05-07-2008, 07:10 AM
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Member
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Join Date: Apr 2007
Location: WESTMINSTER CO
Posts: 190
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CRAWL SPACE SUPPORT COLUMNS
1990 home----three support columns in crawlspace all look just like this picture---is it code to have these columns attached top and bottom--or just recommended-----i wrote it up to have evaluated by licenced competent structural engineer
charlie
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05-07-2008, 08:02 AM
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Join Date: Mar 2008
Location: Healdsburg Ca
Posts: 705
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Re: CRAWL SPACE SUPPORT COLUMNS
That should have some PT under that and attached top and bottom.
Charlie That look like a steel beam on top and that is one big concrete pad.
What is the need for the steel beam and that big of a concrete pad ?
looking at that photo. looks like that 2x4 is not doing anything.
Best
Ron
Last edited by Ron Bibler : 05-07-2008 at 08:18 AM.
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05-07-2008, 08:17 AM
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Member
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Join Date: Mar 2007
Location: Longwood, FL
Posts: 302
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Re: CRAWL SPACE SUPPORT COLUMNS
Tha 2x isn't holding much, it may have been used to prop the I-beam during installation.
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05-07-2008, 08:19 AM
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Join Date: Mar 2007
Location: Duncanville, Tx
Posts: 1,086
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Re: CRAWL SPACE SUPPORT COLUMNS
Charlie,
Doesen't matter anyway... won't be there that long-- No termite shields and not treated material. Buggers will chem'em up like they did the with the beam lying on the ground.
Rich
__________________
"If con is the opposite of pro, is Congress the opposite of progress?"
Richard Rushing, HCRI
Duncanville, Tx.
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05-07-2008, 09:20 AM
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Member
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Join Date: Apr 2007
Location: WESTMINSTER CO
Posts: 190
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Re: CRAWL SPACE SUPPORT COLUMNS
ron that is main i beam for house--and i guess they had alot of concrete
richard----we don't have many termites here in colorado----so they dont usual treat the wood---but i usually see steel piers or jacked steel in crawl spaces----guess i'll let the structural guy decide
charlie
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05-07-2008, 09:24 AM
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Member
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Join Date: Mar 2008
Location: Charlotte NC
Posts: 164
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Re: CRAWL SPACE SUPPORT COLUMNS
At's a real nice dryer vent!
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05-07-2008, 10:48 AM
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Member
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Join Date: Mar 2007
Location: San Mateo, CA
Posts: 1,103
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Re: CRAWL SPACE SUPPORT COLUMNS
Nothing wrong with that as the weight of the I beam will hold that support 2x4 in place and gas piping has been approved to support duct work of ANY KIND!
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05-07-2008, 11:34 AM
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Member
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Join Date: Aug 2007
Location: Memphis TN.
Posts: 1,604
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Re: CRAWL SPACE SUPPORT COLUMNS
Dryer duct appears to be Unlisted and is connected or sealed with an Unlisted material.
__________________
It Might have Choked Artie But it ain't gone'a choke Stymie!
Billy J. Stephens HI Service
Memphis TN.
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05-07-2008, 01:01 PM
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Member
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Join Date: Mar 2007
Location: Albany, NY
Posts: 284
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Re: CRAWL SPACE SUPPORT COLUMNS
Originally Posted by CHARLIE VAN FLEET
1990 home----three support columns in crawlspace all look just like this picture---is it code to have these columns attached top and bottom--or just recommended-----i wrote it up to have evaluated by licenced competent structural engineer
charlie
2006 IRC §RR407 COLUMNS
§RR407.1 Wood column protection. Wood columns shall be protected against decay as set forth in §RR319.
§RR407.2 Steel column protection. All surfaces (inside and outside) of steel columns shall be given a shop coat of rust-inhibitive paint, except for corrosion-resistant steel and steel treated with coatings to provide corrosion resistance.
§RR407.3 Structural requirements. The columns shall be restrained to prevent lateral displacement at the bottom end. Wood columns shall not be less in nominal size than 4 inches by 4 inches (102 mm by 102 mm) and steel columns shall not be less than 3-inch-diameter (76 mm) standard pipe or equivalent.
EXCEPTION: In Seismic Design Categories A, B and C columns no more than 48 inches (1219 mm) in height on a pier or footing are exempt from the bottom end lateral displacement requirement within underfloor areas enclosed by a continuous foundation.
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05-07-2008, 05:25 PM
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Member
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Join Date: Apr 2008
Location: Massachusetts
Posts: 15
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Re: CRAWL SPACE SUPPORT COLUMNS
I've seen many cases where a column/post that was not connected to the beam at the top and not anchored to the footing ended lying up on the ground at some point (due to loads being reduced on the beam and the beam deflection therefore being reduced, due to changes in moisture content and resulting shrinkage of the post, shrinkage of a dimensional lumber beam etc.)
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