Keystone Project Group
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250′ × 70′overall covered footprint · 17,500 SF
11 frame lines22 perimeter/eave column locations
Secondary steelpurlins, girts, eave struts + bracing
12 downspoutssix per 250′ continuous eave gutter

Drawing-based view 14′ eave, approximately 17′ ridge, 1:12 roof slope. Secondary framing is shown diagrammatically; final member spacing and brace bays require stamped PEMB shop drawings.