Roof framing details accommodate penetrations and openings between parallel steel bar joists spaced to receive sub-purlins at twenty-four inches on center. Openings are framed with double framing members or sized per plan, utilizing typical Simpson hangers or approved equal connectors. Maximum opening dimensions are detailed up to one foot six inches by one foot six inches and four feet by eight feet. Additional coordination includes an eight-inch diameter maximum hole through the sheathing.
2 TYP. ROOF OPENING DETAIL 3
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