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Plywood laminated cranked stair stringers

mr.rob

Structural
Jul 17, 2024
9
Help please!

AHJ is asking for an engineered stair drawing for a residential stair with cranked stringers. Stair fabricator has been manufacturing stair stringers with glue-laminated CSP plywood for as long as they've been in the business...sized based on experience. Curved, cranked, and straight. First time being asked for engineering on a residential project.

Does anyone have any literature or guidance on how to put numbers to these plywood stringers? CSA O86?

Many thanks.
 

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