Seismic
Glass in a story drift.
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Glass in a story drift
Turn the check on in Seismic when the building's seismic design category calls for it. Each lite is checked for the story drift it has to rack through (ASCE 7-16 13.5.9).
- Seismic design category, risk category, importance factor
- Off the structural general notes. Categories A and B are exempt (B unless the importance factor is over 1.0).
- Story height
- Floor to floor, feet and inches.
- Allowable drift or the engineer's drift
- The code's allowable drift for the story, or the engineer's number when it's given (with its sheet).
- Clearance in the frame, or tested drift
- The glass's clearance at the sides (c1) and top and bottom (c2), or the system's tested fallout drift (AAMA 501.6).
Every result is a screen marked CHECK: the final glazing design is the delegated-design engineer's.