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51-50-1014  <<  51-50-1015 >>   51-50-10170

(Effective until March 15, 2024)

PDFWAC 51-50-1015

Reserved.

[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 10-03-097, § 51-50-1015, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. WSR 07-01-091, § 51-50-1015, filed 12/19/06, effective 7/1/07.]
(Effective March 15, 2024)

PDFWAC 51-50-1015

Section 1015Guards.

1015.2 Where required.Guards shall be located along open-sided walking surfaces, including mezzanines, equipment platforms, lofts in accordance with Section 420.14, aisles, stairs, ramps and landings that are located more than 30 inches (762 mm) measured vertically to the floor or grade below at any point within 36 inches (914 mm) horizontally to the edge of the open side. Guards shall be provided at the perimeter of the occupied portions of an occupied roof. Guards shall be adequate in strength and attachment in accordance with Section 1607.9.
EXCEPTION:
Guards are not required for the following locations:
 
1. On the loading side of loading docks or piers.
 
2. On the audience side of stages and raised platforms, including stairs leading up to the stage and raised platforms.
 
3. On raised stage and platform floor areas, such as runways, ramps and side stages used for entertainment or presentations.
 
4. At vertical openings in the performance area of stages and platforms.
 
5. At elevated walking surfaces appurtenant to stages and platforms for access to and utilization of special lighting or equipment.
 
6. Along vehicle service pits not accessible to the public.
 
7. In assembly seating areas at cross aisles in accordance with Section 1030.17.2.
 
8. On the loading side of station platforms on fixed guideway transit or passenger rail stations.
 
9. Portions of an occupied roof located less than 30 inches measured vertically to adjacent unoccupied roof areas when approved guards are present at the perimeter of the roof.
 
10. At an occupied portion of an occupied roof where a barrier approved by the building official is provided.
1015.3 Height. Required guards shall be not less than 42 inches (1067 mm) high, measured vertically as follows:
1. From the adjacent walking surfaces.
2. On stairways and stepped aisles, from the line connecting the leading edges of the tread nosings.
3. On ramps and ramped aisles, from the ramp surface at the guard.
EXCEPTIONS:
1. For occupancies in Group R-3 not more than three stories above grade in height and within individual dwelling units in occupancies in Group R-2 not more than three stories above grade in height with separate means of egress, required guards shall be not less than 36 inches (914 mm) in height measured vertically above the adjacent walking surfaces.
 
2. For occupancies in Group R-3, and within individual dwelling units in occupancies in Group R-2, guards on the open sides of stairs shall have a height not less than 34 inches (864 mm) measured vertically from a line connecting the leading edges of the treads.
 
3. For occupancies in Group R-3, and within individual dwelling units in occupancies in Group R-2, where the top of the guard serves as a handrail on the open sides of stairs, the top of the guard shall be not less than 34 inches (864 mm) and not more than 38 inches (965 mm) measured vertically from a line connecting the leading edges of the treads.
 
4. In areas with ceiling heights of 7 feet (2134 mm) or less in lofts constructed in accordance with Section 420.14, guards shall not be less than 36 inches (914 mm) in height or one-half of the clear height from the loft floor to the loft ceiling, whichever is less.
 
5. The guard height in assembly seating areas shall comply with Section 1030.17 as applicable.
 
6. Along alternating tread devices and ships ladders, guards where the top rail serves as a handrail shall have height not less than 30 inches (762 mm) and not more than 34 inches (864 mm), measured vertically from the leading edge of the device tread nosing.
 
7. In Group F occupancies where exit access stairways serve fewer than three stories and such stairways are not open to the public, and where the top of the guard also serves as a handrail, the top of the guard shall be not less than 34 inches (864 mm) and not more than 38 inches (965 mm) measured vertically from a line connecting the leading edges of the treads.
[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-094, 23-12-103, and 23-20-023, § 51-50-1015, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 10-03-097, § 51-50-1015, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. WSR 07-01-091, § 51-50-1015, filed 12/19/06, effective 7/1/07.]
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