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Old 10-26-2010, 05:42 PM   #1
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Jacking up a remanufactured home to repair i-beam and level structure


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I have a 1979 manufactured home my family and I are remodeling. * We have noticed that the end of the home which is an open porch appeared to be sloping dorm the center down to the outside edges. When we uncovered the end main I-Beam we think we discovered why. *In the center of tat large metal beam is a weld with a crack halfway down it's center. My plan is to jack up the outside edges and place 8x8 posts under each end and the center on 30 inch concrete footings, as well as rewelding the crack once the beam is straight. We would appreciate any suggestions or critique of our planned approach.

* I have included two pics showing the location of the failing weld and the intended placement of the posts. T

Questions we have is: *can the beam be welded? *Are the 8x8 posts big enough to do the job? * Are the footings going to work? *The frost line is thirty inches and we would use rebar in the footings. Is thirty inches deep enough for the footings? I have read other posts on other sites where the footings were dug down to a depth of five feet.

Thanks Dave*

Last edited by Daverimmer; 10-26-2010 at 05:45 PM.
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Old 10-26-2010, 09:23 PM   #2
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Jacking up a remanufactured home to repair i-beam and level structure


Where are you located?
What does the local Building Inspector say is the frost line in your area.
Footers need to be below the frost line to do any good.
Simply jack near the crack and use timber blocks to re-join the crack pieces then weld.

It likely cracked because the supports were too far apart. Add some more footers and blocks along the length of the foundation.
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Last edited by jlhaslip; 10-27-2010 at 12:42 AM.
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Old 10-26-2010, 09:31 PM   #3
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Jacking up a remanufactured home to repair i-beam and level structure


Thanks. I will try that...
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Old 10-31-2010, 09:02 AM   #4
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Jacking up a remanufactured home to repair i-beam and level structure


On Saturday we dug two holes at least three feet deep and filled one with high strength concrete and rebar. We then jacked up the left side until level. When the concrete cures we will set in a post cut from a telephone pole and remove the jack and then repeat for the other side.
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Old 10-31-2010, 09:28 AM   #5
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Jacking up a remanufactured home to repair i-beam and level structure


Don't forget to add side plates and weld on each side of the beam to prevent another crack to the weld.

Last edited by JohnJak; 10-31-2010 at 09:35 AM.
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Old 11-06-2010, 03:19 PM   #6
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Jacking up a remanufactured home to repair i-beam and level structure


Ok we got one side support up, mounted on thirty inch footing. Now jacking up the other side and repeating. When it's up we weld!
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