Corpus sync: neutrality remakes, note hygiene, datasheet relocation, transformer-split cross-refs
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title: Interior Glazing and Glass Partitions
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# Seismic Drift Accommodation {toc}
−## In Seismic Design Category C and above, a full-height glass partition must accommodate building story drift, or the glass will break when the frame moves relative to it. {note}
+## In Seismic Design Category C and above, a full-height glass partition must accommodate building story drift, or the glass will break when the frame moves relative to it.
## ASCE 7-22 Section 13.5.9 and IBC 2024 Section 2403.5 require glazed partitions to either tolerate the design drift with clearance or be designed to fall safely. A fixed head condition with no slip joint transmits drift directly into the glass and is a recurring cause of in-service breakage. The remedy is a slip-joint or clearance detail at the head track sized for the calculated drift. {note}
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### Spare lite quantities, glass types, and storage location shall be as directed by the Owner.