Code of Massachusetts Regulations
524 CMR - BOARD OF ELEVATOR REGULATIONS
Title 524 CMR 29.00 - Stage, Orchestra, and Organ Console Equipment
Section 29.14 - Factor of Safety
Current through Register 1537, December 20, 2024
(1) Elevator Platform Construction. The platform of stage, orchestra, organ console elevators shall be of steel frame construction designed with a safety factor of not less than six based on the rated load, uniformly distributed.
All other parts of the equipment shall have a safety factor as required by 524 CMR 15.00 through 35.00.
(2) Installations in the Same Hoistway. When orchestra and organ console elevators are installed in the same hoistway the adjacent sides shall be provided with solid dividing wall partitions with not less than % hour fire resistive construction.
When the travel of a stage, orchestra or organ console elevator extends above the top of the hoistway enclosure, aprons of substantial construction shall be provided on the platform of sufficient depth to enclose the space between the top of the hoistway enclosure and the under side of the platform plus three inches when the platform is at its limit of travel.
The lower edge of the aprons shall be beveled at an angle of at least 75° with the horizontal.