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30' diameter 60 psf upper roof truss assembly – Grain Systems Bin Accessories PNEG-1801 User Manual

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3. 30'-54' Roof Instructions

PNEG-1801 Special 30'-54' Diameter High Snow Roof Rafter Instructions

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30' Diameter 60 PSF Upper Roof Truss Assembly

Figure 3M Rafter Splice/Upper Purlin Connection