Current through Register 1533, October 25, 2024
Section 26.17 - Requirements for Suspension MeansThe suspension means for electric and hydraulic elevators shall conform to 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code. Car platforms may be suspended by wire ropes attached to each corner of the platform, subject to the following:
(1) A center car frame conforming in all respects to 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code shall be provided except that the car crosshead may be omitted, providing:(a) The car frame stiles extend partly above and partly below the car platform so that the vertical distance between the top and bottom guide shoes on the car frame is not less than 40% of the distance between guide rails or of the length of the car platform, whichever is greater.(b) Guiding members or rope connections are so designed and installed as to prevent binding of the car frame in the guide rails when the car is raised and lowered.(2) The car safety required by 524 CMR 26.12 is mounted on the center car frame located as required in 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code.(3) The car safety shall be operated by a speed governor.Amended by Mass Register Issue 1366, eff. 6/1/2018.