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  • Users: pallencn
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  1. pallencn

    Progressive Collapse - Alternate Path Method in UFC

    Anyone familiar with UFC 4-023-03 (2009), particularly the Alternate Path Method as it applies to Structural Steel framing? A couple questions: 1. The load combination is listed as (1.2 OR 0.9) * Dead Load. Typically a 0.9 factor is used when you have load acting opposite of dead (wind...
  2. pallencn

    Steel bar joists - steep slope

    I am designing a roof with a 12:12 pitch. Want to use steel bar joists (span parallel to slope), but am concerned about how to detail the seat and bearing condition. I have a joist catalog that provides seat heights for slopes only up to 8:12. Does anyone have information on seat heights, or...

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