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RE: Open web steel joists

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Vulcraft may not be the manufacturer. Look for the fabrication member tag on each end of the existing member to find out who the manufacturer was. However, whoever made the joists is not going to still have calcs on file after 25 years and will only be able to help in general.


Matthew Stuart

Structural Dept. - Manalapan

732-577-9889 x1283



-----Original Message-----
From: Martin Li [mailto:mli(--nospam--at)]
Sent: Wednesday, September 21, 2005 3:25 PM
To: seaint(--nospam--at)
Subject: RE: Open web steel joists


I would call the engineer at Vulcraft ( or 607-529-9000).



-----Original Message-----
From: James Cohen [mailto:jccpc(--nospam--at)]
Sent: Wednesday, September 21, 2005 1:57 PM
To: seaint(--nospam--at)
Subject: Open web steel joists

Does anyone know if (and if so, how) the load tables for open web steel joist size 20LH06 have changed since 1979? I have a project where they need to be cut in half, half removed, the other half temporarily supported and then a new piece spliced back on. Right now I am considering a "like for like" replacement, but first want to know if these have been downgraded in any way over the last 25 years. Thanks for any help.


James Cohen, PE
James Cohen Consulting, PC