1. (1) You must make sure stairs have slip-resistant treads.

2. (2) You must make sure that stairs with four or more risers have:

   1. (a) Railings on the open sides of all exposed stairways and stair platforms.
   2. (b) Handrails on at least one side of closed stairways, preferably on the right side while descending.

3. (3) You must provide a platform where doors or gates open directly on a stairway. The swing of the door must not reduce the effective width of the platform to less than 20 inches.

   Note:

   To see all of the rules for building fixed stairs, refer to WAC 296-24-75011 and 296-24-765 of the General safety and health standard.

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-800-25010, filed 11/6/18, effective 12/7/18. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 01-11-038, § 296-800-25010, filed 5/9/01, effective 9/1/01.]