US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-56 — SAFETY STANDARDS—LONGSHORE, STEVEDORE AND WATERFRONT RELATED OPERATIONS296-56-60205WAC 296-56-60205WAC 296-56-60205. Overhead supportsLast amended: 2026Year: 2026Length: 27 wordsOfficial source Employers 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.PreviousWAC 296-56-60203NextWAC 296-56-60207