Wash. Admin. Code § 246-376-070
Adequate and conveniently located bathing facilities including hot and cold or tempered water shall be provided. Separate shower rooms shall be provided for each sex in the ratio of one shower head or tub for each 15 users based upon the maximum demand at any one period.
One laundry tray or wash tub should be provided for each 40 persons or major fraction thereof.
The floors of shower rooms shall be constructed of concrete or other easily cleanable, water impervious material graded to drain to a suitable trapped floor drain. They should be free from cracks or uneven surfaces that interfere with proper cleaning.
The shower rooms shall be well lighted and ventilated and have interior surfaces of light colored, washable material.
Wash. Admin. Code § 246-376-070
Statutory Authority: RCW 43.20.050. 91-02-051 (Order 124B), recodified as § 246-376-070, filed 12/27/90, effective 1/31/91; Order 140, § 248-72-060, filed 2/7/77; Regulation 72.060, effective 3/11/60.