A door or gate shall be provided at each entrance to the car.
Doors shall be of the horizontally or vertically sliding type.
Gates shall be either of the horizontally or vertically sliding type, subject to the requirements given under Sections 1604.18(a)(5) and 1604.18(a)(9). Scissor type gates shall be prohibited.
Doors and gates and their guides, guide shoes, tracks, and hangers shall be so designed, constructed, and installed that when the fully closed door or gate is subjected to a force of 75 pounds, applied on an area of 1-foot square at right angles to, and approximately at the center of, the door or gate, it will not deflect beyond the line of the car sill. When subjected to a force of 250 pounds similarly applied, doors and vertically sliding gates shall not break or be permanently deformed and shall not be displaced from their guides or tracks. Where multisection doors or gates are used, each panel shall withstand the forces specified.
Sliding doors or gates shall conform to the following requirements:
Weights used to close or balance doors or gates shall be located outside the car enclosure and shall run in guides or be boxed in. Guides shall be of metal, and the bottom of the guides or boxes shall be so constructed as to retain the weight if the suspension member fails.
Suspension members of vertically sliding car doors or gates, and of weights used with car doors or gates, shall have a factor of safety of not less than five.
Car doors or gates shall be arranged so that when the car is stopped they may be opened by hand from inside the car, subject to the requirements of Section 1604.18(b)(3).
There shall be not more than two entrances to the car.
EXCEPTION: Special building arrangements requiring more than two entrances and accepted by the division before construction is begun.
Car doors or gates shall be provided with car door or gate electric contacts.
Car door or gate electric contacts shall be so located that they are not readily accessible from the inside of the car.
Car door or gate electric contacts shall conform to the following requirements:
A mechanical lock shall be provided to prevent opening of the car gate on the side opposite the building or structure, unless the car is at the ground level landing or equivalent.
Car doors or gates shall be considered to be in the closed position under the conditions as follows:
Cal. Code Regs. Tit. 8, § 1604.18