Section 7.345. Cars

(a) The cars of newly installed dumbwaiters shall be of substantial construction. The horizontal cross sectional area shall not exceed 9 square feet and the compartment height shall not exceed 4 feet. The carrying capacity of dumbwaiter cars shall not exceed 500 pounds. All cars of dimensions and carrying capacities greater than those specified will be considered as freight elevators and shall comply with freight requirements in every respect. The stated dimensions and capacity also apply to existing installations, except that if local conditions necessitate modification, the Department may, upon request, grant relief according to the existing exigencies.

(b) New dumbwaiter cars shall be enclosed to the full height on all sides not used for loading or unloading. When considered necessary by the Department, the cars of existing dumbwaiters shall also be enclosed to the full height under beam, except on the sides used for loading and unloading.

(c) No person shall be permitted to ride upon any dumbwaiter.