steel framing
steel framing
(OP)
I was looking at roof framing plan, and it includes the following W21x55 (+2 1/2"). what does that mean (+2 1/2")?


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RE: steel framing
RE: steel framing
Note: You may want to edit the text of your post to match the graphic, celeron8. (2 1/2" instead of 2 1/5") Before I looked at the graphic, I was about to move on, having no idea what +2 1/5" would be.
Rod Smith, P.E., The artist formerly known as HotRod10
RE: steel framing
RE: steel framing
In this case , W 21X55 (+2 1/2in ) means, the TOS level for this member +2.5 inch higher than the general floor TOS elevation. For instance, if Elevation TOS =60'-2.5", the TOS elevation of W 21X55 (+2 1/2in ) member will be =60'-5".