The city council shall review any decision made by the director, the city engineer, or representatives or agents thereof, in interpreting, applying or enforcing the provisions of this chapter, upon the receipt of an application or petition, in writing, requesting a review of such decision. In exercising its powers of review, the city council may, in conformity with the provisions of the law, reverse or affirm, wholly or partly, or may modify the order, requirements, decision or determination of the director. The city council may also initiate a review of the director's or city engineer's interpretation of the provisions of this chapter by a motion and by a vote of a majority of the quorum or a majority of the members present, if such number exceeds a quorum. In all cases, the decision of the city council shall be final. (1973 Code § 13.40.460)