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Active Member
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Succasunna, NJ
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Editor - TIJ
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Kenmore, WA
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TJI and the top flange
[#2] Posted: Jun 30 2009 - 5:03:24 PM |  |  |
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Hi Darren,
Well, that does make it more difficult, 'cuz it's only one manufacturer.
OT - OF!!!
M.
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Member
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Raleigh, NC
Posts: 208
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 TJI and the top flange
[#3] Posted: Jun 30 2009 - 5:57:08 PM | | |
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I attended training by that manufacturer recently. The speaker was a field rep for the company who went on site to inspect modifications made to their products, often as a result of a home inspection.
She explained that she would take measurements, pictures and relay that information back to inhouse engineers who would design approved repairs. This happened so frequently that they developed a standardized repair process for the more common butchering of the joists. As a result, they decided to publish the information in the above attachment.
The above is only for that manufacturer. This allows the field reps to inspect damaged members and quote an approved repair without having to send each and every damage situation back to be re-engineered.
The goal is not to encourage notching of the joists but to make field assesment of damage easier and be able to design repairs for the most common mistakes quickly.
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Bruce Ramsey
Advocate Inspections
www.NCAdvocate.com |
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Senior Member
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Spring Hill (Nashville area), Tennessee
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TJI and the top flange
[#4] Posted: Jul 01 2009 - 07:37:21 AM | | |
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Weyerhaeuser is a major manufacturer of engineered I-joist. Although this is published by Weyerhaeuser, I would anticipate that other manufacturers would agree with this publication. Only time will tell.
The size of the allowable cuts in the top cord are not that large. Most of the time when I find a cut cord, it is to accommodate a PVC trap for a shower or the lines for a toilet. This type of cut is huge, they call them "plunge" cuts, they are common and they do have a specific repair design.
Regardless of this publication, as a home inspector I would still report any cut cord on an engineered I-joist and let the field rep or whoever else make the call.
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Scott Patterson
http://www.traceinspections.com
"Minds are like parachutes they only function when open"
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Editor - TIJ
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Kenmore, WA
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TJI and the top flange
