ASME A17.4:1999 pdf download

ASME A17.4:1999 pdf download.Guide for Emergency Personnel.

(1) The mainline disconnect switches in the machine room for the stalled elevator and the adjacent elevators (if the stalled elevator car is located in a multiple hoistway) should be set in the 0FF position.
(2) The rescue team should open the hoistway door at the nearest landing or an emergency access door, where provided, above the stalled elevator car top. This entry can be made by the use of the ho4stway door unlocking device, the emergency-door key, or by forcing open the hoistway doors.
(3) A ladder with nonskid feet should be lowered to the elevator car top and securely positioned on the elevator car top. This ladder should be ol sufficient length to extend at least 3 ft (914 mm above the landing floor Isee Fig. 13.5(a)[
(4) One member of the rescue team, wearing a safety belt end properly tied off to a secured lifeline, should descend to the top of the stalled elevator car. A second ladder should be lowered through the top emergency exit and positioned between the elevator car floor and car top. This second ladder should be of sufficient length to extend at least 3 ft (914 mm) above the car top.