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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 296. Labor and Industries, Department of |
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Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-05020. What requirements apply to the construction and fire safety of hoistway enclosures?
Latest version.
- Generally, local codes and ordinances govern hoistway enclosure construction. When not in conflict with a local code requirement, the enclosure must:(1) Be built to a height of 7 feet above each floor, landing and adjacent stairway tread;(2) Extend (adjacent to the counterweights) the full height of the floor and 8 inches beyond the counterweight raceway;(3) Be constructed of either solid material or material with openings that will reject a 2-inch diameter ball; and(4) Be supported and braced so that it does not deflect more than 1 inch when subjected to a force of 100 pounds applied perpendicular at any point.(5) A full height hoistway enclosure is required only on the side(s) of the material lift for which the car is not equipped with a gate or enclosure.