WAC 296-96-05190. Pits

The following requirements shall apply to lift pits: (1) Have noncombustible floors; (2) Be designed to prevent the entry of groundwater into the pit; (3) Have floors that are substantially level; (4) Where provided, drains shall not be directly connected to sewers; (5) Provide safe and convenient access to the pit; (6) Have an approved access ladder for pits deeper than 914.4 mm (36 in.); and (7) Have nonperforated metal guards installed on the open sides of the counterweights where spring, solid or oil type buffers are attached. These guards shall: (a) Extend from a point not more than 304.8 mm (12 in.) above the pit floor to a point at least 2133.6 mm (84 in.) but not more than 2438.4 mm (96 in.) 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.