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1930 Era Floor beam callout 3

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Engrman

Structural
Joined
Apr 2, 2002
Messages
54
Location
US
Hi guys, I have a project in a building constructed in 1930. The Owner wants to convert the mezzanine into public assembly usage. Original use was office space. The original drawings describe the floor joists as 10" J 8c L's @ 8.96. Right now access is non-existent due to a plaster hard lid ceiling. Before I direct the contractor to do some selective demo the owner would like to know more info. Anybody have or know where to find info on these joists?
 
Thanks anyway SlideRule.....Jones & Laughlin was bought out in the 60's (I think) and since then a succesion of companies ending with Arcelor Mittal have swallowed each other. J&L historical info seems to have been long lost. Since they are hard to read I may have misread the old plans. It may be "J Bc L's." I think they are an early proprietary bar joist. SJI first published a Standard Specification in 1928 but not every manufacturer joined up.
 
nutte - that is fantastic.

You might scan the whole section (if there's more) and send it over to SlideRuleEra for his website.

 
A star for SlideRule as well. He had the knowledge of those beams. I just had the book.
 
You guys are fantastic. Thanks. I have AISC's Design Guide 15 and it wasn't anywhere in there.
 
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