Section 26.12 - Car and Counterweight Safeties and Speed Governors(1) Car safeties conforming to 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code shall be provided. All operating parts of the safety shall be protected from the elements. EXCEPTIONS:
(a) Car safeties may be omitted on: 1. Direct plunger elevators.2. Class HI elevators where there is no occupied space or passageway underneath the hoistway.(b) The car safety device may be located in the upper part of the car frame instead of beneath the platform, provided that the car frame, car platform, car safety and the guide rails and their supports are designed to withstand the forces from loading and unloading, and from application of the car safety at governor tripping speed with rated load on the platform within the stresses and deflections permitted by 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code.(2) Counterweight safeties shall be provided where there is an occupied space or passage underneath the hoistway.(3) Car or counterweight safeties, where required or used, shall be operated by speed governors conforming to 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code.EXCEPTIONS: The tripping speed of speed governors for roped hydraulic elevators shall be based on the maximum speed attained by the elevator car in the down direction with rated load on the platform instead of on rated speed.
Amended by Mass Register Issue 1366, eff. 6/1/2018.