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16.4.2 Temporary Separation Walls.
Protection shall be provided to separate an occupied portion of the structure from a portion of the structure undergoing alteration, construction, or demolition operations when such operations are considered as having a higher level of hazard than the occupied portion of the building. [241:184.108.40.206]
Walls shall have at least a 1-hour fire resistance rating. [241:220.127.116.11]
Opening protectives shall have at least a 45-minute fire protection rating. [241:18.104.22.168]
Nonrated walls and opening protectives shall be permitted when an approved automatic sprinkler system is installed. [241:22.214.171.124]
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