WAC 296-96-24246. Counterweights

(1) Counterweights, where used, shall be in a guide or track. (2) Counterweights shall not be of sufficient weight to cause undue slackening of any conveyance hoisting rope or chain during acceleration or retardation of the conveyance. Counterweight weight section(s) shall be mounted in structural or formed metal frames which are designed to retain weights securely in place. EXCEPTION: Counterweights may be constructed of a single metal plate.