Dumbwaiter cabs shall be not less than 24 inches by 24 inches by 36 inches of steel with one shelf to operate at a speed of 50 feet to 100 feet per minute when carrying a load of 100 pounds. Dumbwaiters serving basement and four floors shall have a minimum speed of 100 feet per minute.
Minn. R. agency 144, ch. 4645, ELEVATORS AND DUMBWAITERS FOR ALL HOSPITALS, pt. 4645.4800
Statutory Authority: MS s 144.55; 144.56