Code of Massachusetts Regulations
524 CMR - BOARD OF ELEVATOR REGULATIONS
Title 524 CMR 32.00 - Vertical Reciprocating Conveyors
Section 32.07 - Driving Machines and Control Equipment

Universal Citation: 524 MA Code of Regs 524.32

Current through Register 1518, March 29, 2024

(1) Driving machines, pump units, and other equipment shall be permanently secured in place and shall not be supported by hooks, cables, chains, similar devices or configurations. Chain hoists, rope falls or similar hoisting devices are prohibited from use as the main driving machine. Portable hoists are prohibited.

(2) The diameter of drive sheaves for traction machines and drums shall not be less than 30 times the diameter of the hoisting cables. The diameter of all other sheaves shall not be less than 21 times the diameter of the hoisting cables.

(3) The controller, driving machine and other equipment requiring periodic service and repair shall be readily accessible. Where machines are located in the hoistway, a safe means of access shall be provided from outside or from the car when secured in position at the top landing to facilitate maintenance and repairs. Access panels shall be not less than 30" x 30". Where equipment access panels are located more than 72 inches (1,830 mm) above floor level, stairs or fixed ladders shall be provided. Stairs and fixed ladders shall comply with of ASME A17.1-2013/CSA B44-13: Safety Code for Elevators and Escalators, Section 2.7.3.3.1.

(4) Illumination of work areas containing machines and controls shall be provided with an electric light or lights; not less than two lamps shall be provided. The minimum illumination of not less than ten foot candles as measured at a point in front of the equipment. An electrical outlet conforming to 527 CMR: Board of Fire Prevention Regulations shall be provided within 72 inches of the control equipment.

(5) Controllers shall not be accessible from the hoistway and shall be located in a locked enclosure.

(6) Machine rooms and/or control rooms shall meet the requirements of ASME A17.1-2013/CSA B44-13: Safety Code for Elevators and Escalators, Section 2.26 as modified by 524 CMR 35.00: Safety Code for Elevators and Escalators A17.1-2013 and the Massachusetts Modifications of That Code.

(7) Machines located in a hoistway shall not be hydraulic and shall have:

(a) a disconnect that will remove power from the motor and brake within sight of the machine;

(b) a red stop switch that interrupts the safety circuit; and

(c) a 110-volt light and GFI (ground fault interrupter) receptacle.

(8) By pass pressure on hydraulic units shall be set not to exceed 150% of working pressure and shall be sealed.

(9) An overspeed valve (rupture valve) shall be installed in the oil line of hydraulic units between the control valve and the jack. Only threaded or welded pipe may be used between the control valve and the jack.

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