Laserfiche WebLink
R330.8.3.1 Fixed position grab bars. Fixed position grab bars shall be a minimum of 36 inches in length and start 12 inches from <br />the rear wall. <br />R330.8.3.2 Swing -up grab bars. Swing -up grab bars shall be a minimum of 28 inches in length from the rear wall. <br />R330.8.4 Grab bars at bathtubs. Horizontal and vertical grab bars shall meet the requirements of R330.8. <br />R330.8.4.1 Vertical grab bars. Vertical grab bars shall be a minimum of 18 inches long and installed at the control end wall and <br />head end wall. Grab bars shall mount within 4 inches of the exterior of the bath tub edge or within 4 inches within the bath tub. The <br />bottom end of the bar shall start between 36 inches and 42 inches above floor grade. <br />EXCEPTION: The required vertical grab bar can be substituted with a floor to ceiling grab bar meeting the <br />requirements of R330.8 at the control end and head end entry points. <br />R330.8.4.2 Horizontal grab bars. Horizontal grab bars shall be provided at the control end, head end, and the back wall within the <br />bathtub area. Grab bars shall be mounted between 33 inches and 36 inches above floor grade. Control end and head end grab bars <br />shall be 24 inches minimum in length. Back wall grab bar shall be 36 inches minimum in length. <br />R330.8.5 Grab bars at shower stalls. Where shower stalls are provided to meet the requirements for bathing facilities, grab bars <br />shall meet the requirements of R330.8. <br />EXCEPTION: Shower stalls with permanent built-in seats are not required to have vertical or horizontal grab <br />bars at the seat end wall. A vertical floor to ceiling grab bar shall be installed within 4 inches of <br />the exterior of the shower aligned with the nose of the built-in seat. <br />R330.8.5.1 Vertical grab bars. Vertical grab bars shall be 18 inches minimum in length and installed at the control end wall and <br />head end wall. Vertical bars shall be mounted within 4 inches of the exterior of the shower stall or within 4 inches inside the shower <br />stall. The bottom end of vertical bars mount between 36 inches and 42 inches above floor grade. <br />R330.8.5.2 Horizontal grab bars. Horizontal grab bars shall be installed on all sides of the shower stall mounted between 33 <br />inches and 36 inches above the floor grade. Horizontal grab bars shall be a maximum of 6 inches from adjacent walls. Horizontal <br />grab bars shall not interfere with shower control valves. <br />R330.9 Ramps. All interior and exterior ramps, when provided, shall be constructed in accordance with Section R311.8 with a <br />maximum slope of 1 vertical to 12 horizontal. The exception to R311.8.1 is not allowed for adult family homes. Handrails shall be <br />installed in accordance with R330.9.1. <br />R330.9.1 Handrails for ramps. Handrails shall be installed on both sides of ramps between the slope of 1 vertical to 12 horizontal <br />and 1 vertical and 20 horizontal in accordance with R311.8.3.1 through R311.8.3.3. <br />R330.10 Stair treads and risers. Stair treads and risers shall be constructed in accordance with R311.7.5. Handrails shall be <br />installed in accordance with R330.10.1, <br />R330.10.1 Handrails for treads and risers. Handrails shall be installed on both sides of treads and risers numbering from one riser <br />to multiple risers. Handrails shall be installed in accordance with R311.7.8.1 through R311.7.8.4 <br />R330.11 Shower stalls. Where provided to meet the requirements for bathing facilities, the minimum size of shower stalls for an <br />adult family home shall be 30 inches deep by 48 inches long. <br />[Statutory Authority: RCW and chapters and RCW. 13-04-068, § 51-51-0325, filed 211/13, effective 7/1113. Statutory <br />Authority: Chapter RCW. 10-18-036, § 51-51-0325, filed 8125/10, effective 9/25/10. Statutory Authority: RCW and <br />chapters and RCW. 09-04-023, § 51-51-0325, filed 1/27/09, effective 7/1/10. Statutory Authority: RCW and <br />chapters and RCW. 07-01-090, § 51-51-0325, filed 12/19/06, effective 7/1/07. Statutory Authority: RCW and . 04- <br />01-109, § 51-51-0325, filed 12/17103, effective 7/l/04.][Statutory Authority: RCW and . WSR 20-03-023, § 51-51-0330, filed <br />1/6120, effective 7/1/20.] <br />Implementation Date: 2021 February 01 <br />Updated: 2021 February <br />