ยง 413. Hoists. Every engine, brake, cage, bucket, rope, and chain
shall be kept in good order and shall be inspected daily. Every lift,
hoist, rope and other mechanical device shall be capable of sustaining
the weight intended to be borne by it, in accordance with factors of
safety generally accepted by competent engineers. Every car and lift
shall have a safety brake. No hoisting rope shall be subjected to a load
heavier than one-fifth of the weight it can sustain without breaking.
Structure New York Laws