US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-307 — SAFETY STANDARDS FOR AGRICULTURE296-307-26018WAC 296-307-26018WAC 296-307-26018. Width requirements for fixed stairsLast amended: 2021Year: 2026Length: 9 wordsOfficial source Fixed stairways must be at least 22 inches wide.PreviousWAC 296-307-26015NextWAC 296-307-26021