The special permit provided for in BCC 11.54.200 and 11.54.210 shall be used under such rules and regulations and upon such terms and conditions as may be prescribed by the city licensing official. Such special permits shall entitle the permittee to carry such additional load in such an amount upon such streets as may be determined by the city licensing official to be capable of withstanding such increased load without undue injury to the street. (Ord. 2160 § 2, 1974; 1961 code § 11.54.220.)