This structural framing detail shows a roof opening framed by C6x10.5 channel members at the curb and a C6x8.2 channel member designated per note 2. The perimeter curb framing connects directly to a wide-flange beam supporting the assembly. The mechanical unit extent and curb are shown with dashed lines and sized per mechanical requirements. The central opening is crossed with diagonal lines indicating a cutout through the roof structure.
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