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Re: Old Joist Type

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BTW, I was being facetious about cutting the diagonals.


On Friday, September 21, 2012, Will Haynes wrote:

> If you can't find the manufacturer ( or if you can't narrow the exact
> design down if you find the mfr since I assume there is no joist
> identification):
> I have used digital calipers before to rebuild old cold-formed properties
> and used AISI for the limit state checks. The pipes may be a problem 
> since they could change thickness along the joists and unless you cut 
> each diagonal and measure the thickness, you won't know.
> WH
> On Wednesday, September 19, 2012, Dilip Patel wrote:
>> I need to determine joist property with following members.
>> Top & bottom chord: W shape, 5- 1/2"x1".
>> Digonals 1" diameter pipes, crimped at panel points., 30" c/c panels
>> points, no verticals. About 30" jost depth, 40' joist span, 5'-0" o/c
>> spacing, Roof joist.
>> It appears propriety shape, not listed in SJI 60 year manual.

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