Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
Construction Safety and Health Standard
Part 15 - EXCAVATORS, HOISTS, ELEVATORS, HELICOPTERS, AND CONVEYORS
PERSONNEL HOISTS AND ELEVATORS - ADDITIONAL REQUIREMENTS
Section R. 408.41562 - General requirements

(1) A hoist tower outside the structure shall be enclosed for the full height on the side or sides used to enter and exit the structure. At the lowest landing, the enclosure on the sides not used to exit or enter the structure shall be enclosed to a height of not less than 10 feet. Other sides of the tower adjacent to floors or scaffold platforms shall be enclosed to a height of 10 feet above the level of the floors or scaffolds.

(2) A hoistway inside a structure shall be enclosed on all 4 sides throughout the full travel of the hoistway.

(3) A hoist tower shall be anchored to the structure at intervals of not more than 25 feet in height. When tie-ins are not practical, the tower shall be anchored by means of guys which are made of wire rope that is not less than 1/2 of an inch in diameter and which are securely fastened to the anchorage to ensure stability.

(4) Hoistway doors or gates shall be not less than 6 feet 6 inches high, be provided with mechanical locks that cannot be operated from the landing side, and be accessible only to persons on the hoist car.

(5) A hoist car shall be permanently enclosed on all sides and the top, except for sides used for entry and exit and sides that have gates or doors.

(6) A door or gate shall be provided at each entrance to the hoist car and shall protect the full width and height of the hoist car entrance opening.

(7) An overhead protective covering that consists of 2-inch planking or other solid material of equivalent strength shall be provided on the top of every personnel hoist car.

(8) Doors or gates shall have electric contacts that do not allow movement of the hoist when a door or gate is open.

(9) A car safety device shall be installed and shall be capable of stopping and holding the hoist car and the rated load when traveling at governor-tripping speed.

(10) A hoist car shall have a capacity and data plate secured in a conspicuous place on the car or crosshead.

(11) Internal combustion engines shall not be permitted for direct drive.

(12) Normal and final terminal stopping devices shall be provided. Final terminal stopping devices shall be installed in the hoistway and shall be mechanically operated.

(13) An emergency stop switch shall be provided in the hoist car and marked "STOP."

(14) All personnel hoists used by employees shall be constructed of materials and components that are in compliance with the specifications for materials, construction, safety devices, assembly, and structural integrity as stated in ANSI standard A10.4 "Safety Requirements for Personnel Hoists and Employee elevators for Construction and Demolition Operations," 2004 edition, as adopted in R 408.41505.