Mich. Admin. Code R. 460.1463
Rule 3. At locations where change of wearing apparel is required at which yard clerks, car checkers, freight house employees, mail and/or baggage handlers and express employees are employed, lockers will be provided at points where such employees are required to report for duty or are relieved from duty, and where 10 or more are employed, the locker area, which shall be partitioned and adequately heated and lighted, shall consist of not less than 80 square feet of clear floor space for each such 10 employees on duty at any 1 time. Where lockers are not now provided, a sufficient number of metal lockers shall be provided, the inside dimensions of which shall not be less than 72 inches high, 15 inches wide and 18 inches deep, save that, in such locations where larger lockers shall be deemed necessary, they shall be provided as shall be agreed to between the railroad company and its employees. Said lockers shall be equipped on the inside with a top shelf, and not less than 1 clothes hook on each side, a hanger bar, and also sufficient openings in the door for the purpose of ventilation. Tables and benches or chairs, in accordance with the number of employees using the facilities, shall be furnished.
Mich. Admin. Code R. 460.1463