No person to whom a permit has been granted shall perform any of the work authorized by the permit in any amount or quantity greater than that specified in the permit; except that, upon the approval of Public Works, additional work may be done under the provisions of the permit in an amount not greater than 10% of that specified in the permit.
(Ord. 7(1971) § 2(I); Ord. 43(1978) § 1; Ord. 7(2006) § 5)