Code of Massachusetts Regulations
524 CMR - BOARD OF ELEVATOR REGULATIONS
Title 524 CMR 26.00 - Certain Elevator Equipment Used as Motor Vehicle Parking Devices
Section 26.09 - Car and Counterweight Buffers, Counterweights
Universal Citation: 524 MA Code of Regs 524.26
Current through Register 1531, September 27, 2024
(1) Car and counterweight buffers shall conform to the following:
(a) For Class I and II elevators, the car and
counterweight buffers shall be installed in accordance with the requirements of
524 CMR 35.00: Safety
Code for Elevators and Escalators A17.1-2013 and the Massachusetts
Modifications of That Code.
EXCEPTION: Spring buffers may be used under the following conditions:
1. For
electric elevators whose rated speed is not more than 300' per
minute.
2. For hydraulic elevators
whose maximum speed in the down direction with rated load is not more than 300'
per minute.
3. The stroke of spring
buffers for car speeds exceeding 200' per minute shall be equal to or greater
than the following:
a. 201 to 250 ft. per
min.: 61/4"
b. 251 to 300 ft.
per min.: nine inches
(b) For Class in Elevators, the car and
counterweight buffers shall be required only where there are occupied spaces or
passageways underneath the hoistway, in which case both car and counterweight
buffers shall be installed in accordance with the requirements of
524 CMR 35.00: Safety
Code for Elevators and Escalators A17.1-2013 and the Massachusetts
Modifications of That Code provided that such buffers may be located
at each side of the car frame.
(2) Counterweights, where provided, shall conform to 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code.
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