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  1. Structural Engineers Reports

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    UBC, the snow load requirement for the Grand Rapids area was generally close to 30-35 psf and did not ... 53% compared to 30 psf as would be appropriate in the 1980s.) 4. The current required unbalanced ... 3. The 1980’s era roof trusses have a uniform snow load design capacity of approximately 30 psf. 4. ...

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