The stair roof access landing framing layout uses an HSS12x2x1/4 broken back stringer and HSS12x2x1/4 stringers supported by an HSS6x4x1/4 member and a W14x22 structural steel beam spanning ten feet nine inches.
W14x22 10' - 9" HSS12x2x1/4 HSS6x4x1/4 (LSV) HSS12x2x1/4 BROKEN BACK STRINGER HSS12x2x1/4 BROKEN BACK STRINGER HSS12x2x1/4 STRINGER HSS12x2x1/4 STRINGER SD-5 SF203 A1
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