296-56-60205 - Overhead supports

296-56-60205. Overhead supports

You must make sure the overhead supporting members are designed, based upon impact loads, with a safety factor of:

(1) Nine if wood;

(2) Five if steel.

(Amended by WSR 15-24-102, Filed 12/1/2015, effective 1/5/2016)

Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60205, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60205, filed 12/11/84.

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