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Combustible Knee Wall in Type 1B Construction

603.1 Allowable materials. Combustible materials shall be
permitted in buildings of Type I or II construction in the following
applications and in accordance with Sections 603.1.1
through 603.1.3:

11. Partitions dividing portions of stores, offices or similar
places occupied by one tenant only and that do not
establish a corridor serving an occupant load of 30 or
more shall be permitted to be constructed of fireretardant-
treated wood, 1-hour fire-resistance-rated
construction or of wood panels or similar light construction
up to 6 feet (1829 mm) in height.
 
603.1 Allowable materials. Combustible materials shall be
permitted in buildings of Type I or II construction in the following
applications and in accordance with Sections 603.1.1
through 603.1.3:

11. Partitions dividing portions of stores, offices or similar
places occupied by one tenant only and that do not
establish a corridor serving an occupant load of 30 or
more shall be permitted to be constructed of fireretardant-
treated wood, 1-hour fire-resistance-rated
construction or of wood panels or similar light construction
up to 6 feet (1829 mm) in height.

Yes, of course. Too bad it is not fire retardant treated wood.
 
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