Washington Administrative Code (Last Updated: November 23, 2016) |
Title 296. Labor and Industries, Department of |
Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-05190. How must lift pits be constructed?
Latest version.
- Lift pits must:(1) Have noncombustible floors;(2) Be designed to prevent the entry of groundwater into the pit;(3) Have floors that are substantially level;(4) Have drains that are not directly connected to sewers;(5) Provide safe and convenient access to the pit;(6) Provide an approved ladder for pits deeper than 3 feet; and(7) Have non-perforated metal guards installed on the open sides of the counterweights where spring, solid or oil type buffers are attached. These guards must:(a) Extend from a point not more than 12 inches above the pit floor to a point at least 7 feet but not more than 8 feet above the floor;(b) Be fastened to a properly reinforced and braced metal frame which will be at least equal in strength and stiffness to No. 14 U.S. gauge sheet steel; and(c) Be omitted on the pit side where compensating chains or ropes are attached to the counterweight.