(1) Electric manlifts shall be driven by approved-type units.
- (a) On direct drive or approved worm gear driven type, a mechanically actuated, electrically released brake shall be installed on the driving unit.
- (b) On V belt driven types, a minimum of four belts, 12.7 mm (0.5 in.) minimum size, shall be used to transmit power from the motor to the drive shaft and a mechanically activated, electrically released brake shall be installed on the final drive shaft.
- (c) All winding drum machine type elevators shall be equipped with top and bottom final limit switches.
- (2) Wherever practical, drive machines shall be installed on the top side of the supporting structure.
- (3) All components of the driving mechanism and parts subject to stress involved in suspending the load or related equipment shall be designed to withstand 8 times the total weight to be suspended, including load, counterweight, car and cables.
- (4) Gears shall be made of steel or equivalent material. Cast iron gears are prohibited.
- (5) A working platform, with railings complying with the applicable requirements adopted according to chapter 49.17 RCW, shall be provided to allow for safely working on equipment.
- (6) A light with a switch shall be located near the elevator driving machine or the machinery space.
- (7) A means to lockout/tagout the manlift equipment shall be provided and located near the driving machine or machine space.
- (8) The manlift machinery shall be protected from the weather.
- (9) All sheaves shall be appropriately guarded per the requirements adopted according to chapter 49.17 RCW.
[Statutory Authority: RCW 70.87.030. WSR 23-17-141, § 296-96-24553, filed 8/22/23, effective 10/2/23. Statutory Authority: Chapter 70.87 RCW. WSR 21-18-096, § 296-96-24553, filed 8/31/21, effective 10/1/21; WSR 18-18-070, § 296-96-24553, filed 8/31/18, effective 10/1/18.]