PDFWAC 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.
[Statutory Authority: RCW 70.87.030. WSR 23-17-141, § 296-96-05190, filed 8/22/23, effective 10/2/23. Statutory Authority: Chapter 70.87 RCW. WSR 21-18-096, § 296-96-05190, filed 8/31/21, effective 10/1/21; WSR 18-18-070, § 296-96-05190, filed 8/31/18, effective 10/1/18. Statutory Authority: RCW 70.87.020, 70.87.030, 70.87.034, 70.87.120, 70.87.185 and chapter 70.87 RCW. WSR 01-02-026, § 296-96-05190, filed 12/22/00, effective 1/22/01.]