Upon application to the Director of Public Works for permission to use and operate private or contract vehicles on County roads for the purpose of continuous operations, which include hauling loads which exceed the size and weight limitations otherwise prohibited by the Vehicle Code of the State, and upon the recommendation of the Director of Public Works, the Board, in its discretion and if good cause appears, may authorize the Director of Public Works to issue a written permit for such continuous operations for a period not exceeding one year, specifying the protective restrictions set forth in this article. (§ 2, Ord. 608, as amended by § 2, Ord. 639, eff. November 25, 1970)