(1) An operating permit is required for each conveyance operated in the state of Washington except during its erection by the person or firm responsible for its installation. A permit issued by the department shall be kept conspicuously posted near the conveyance.

(2) The department may permit the temporary use of a conveyance during its installation or alteration, under the authority of a limited permit issued by the department for each class of service. Limited permits shall be issued for a period not to exceed thirty days and may be renewed at the discretion of the department. This limited-use permit is to provide transportation for construction personnel, tools, and materials only. Where a limited permit is issued, a notice bearing the information that the equipment has not been finally approved shall be conspicuously posted.