Interior walls and partitions must be:

1. (1) Constructed with structural capacity adequate for the intended purpose; and
2. (2) Capable of resisting a horizontal load of at least five pounds per square foot without exceeding the deflections specified in WAC 296-150C-0920.

[Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, § 296-150C-0900, filed 10/23/96, effective 11/25/96.]