296-876-60015 - Pitch

296-876-60015. Pitch

You must make sure the pitch of the ladder is no greater than ninety degrees from the horizontal.


1. The preferred pitch of fixed ladders is within the range of seventy-five to ninety degrees from the horizontal. Ladders with a pitch range of sixty to seventy-five degrees from the horizontal are considered substandard and are only permitted if necessary to meet the installation requirements.

2.Fixed stairs are an alternative for installations where a pitch angle of less than sixty degrees is necessary. See Fixed industrial stairs, WA C 296-24-765, in the General Safety and Health Standards, chapter 296-24 WAC.

(Amended by WSR 14-09-095, filed 4/22/14, effective 7/1/14)

Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 06-16-020, ยง 296-876-60015, filed 7/24/06, effective 12/1/06.

The following state regulations pages link to this page.