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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 296-96-14050. What are the requirements for assembly, installation, and operation of sectional counterweights?
Latest version.
- (1) The assembly of sectional counterweights must conform to the following requirements:(a) Rectangular counterweights must be held together by at least two tie rods 1/2 inch in diameter fastened with lock washers and double nuts or other approved means.(b) One 3/4 inch rod may be used to hold the sections of a round counterweight together. Any additional sections or weights must be secured by an approved means.(2) The eye bolt for the rope hitch must be attached to the counterweight in a manner that will prevent the eye bolt from coming loose. The eye of eye bolts must be welded to prevent it from opening.(3) Every counterweight runway must be enclosed with substantial unperforated material for its full distance of travel. Inspection openings must be provided at either the top or bottom of the counterweight runway. These openings must be substantially covered at all times except when actually being used for inspection of counterweight fastenings.(4) Workers must load the counterweight for the proper balance of the heaviest person using the elevator and others must use compensating weights, which must be available, to maintain a balance.(5) On elevators with travel of 75 feet or more, a compensating chain or cable must be installed to maintain the proper balance of the counterweight to the car and load in all positions.