3/28/2024 0 Comments Pole barn rafter span table![]() ![]() 63 psf steel American Building Components catalogue The Rafter spans in the Code do not apply to your building, they are prescriptive for stick frame construction. Attached are the calculations for the 2×8 purlins. ![]() The allowable lumber species are listed in the General Notes on Page S-0 of your plans. Thank you for your investment in a new Hansen Pole Building. Is this the code information the inspector should use, or is there something else? What species of lumber is to be used for the purlins? ![]() The table shows one 2 x 8 that will make a 15ft. span. He gave me a copy of R802.5.1 (3) Rafter spans for common lumber species. The inspector asked about the type of wood being used as purlins. I explained the layout of roof trusses and purlins on your building design. The reason is I already have a permit for a building that I was designing and building myself. One of my questions was about snow loads. I was confirming my intentions of building a Hansen designed structure. Here is one which went through our Technical Support Department recently: Lots of good stories out there and I have been in the mode to share stories lately. ![]()
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