WAC 296-96-24130. Construction requirements

(1) All of the components associated with inclined private residence elevators shall be built to a minimum safety factor of 5, unless otherwise specified in this part. (2) Inclined private residence elevator car frames and platforms shall: (a) Be built of metal, a combination of metal and wood or other materials of equal strength; (b) Be suitably prepared and/or protected for exposure to weather. (3) Incline car chassis shall: (a) Be built of metal, except for the guiding members; and (b) Chassis guiding members shall be retained and/or enclosed in guides so that the chassis cannot be derailed. (4) Cast iron shall not be used in the construction of a car frame or chassis. (5) A car shall have only one compartment.