If the director approves the application, the applicant may cause the sewer or storm drain facilities to be installed either by private contract or by another procedure acceptable to the director. The foregoing approval may be made by the director's approval of tentative subdivision map conditions and subsequent improvement plans, and shall be in addition to any other approvals required for installation of the facilities and/or any other requirements or conditions imposed by the city under any other provision of this code. All costs associated with the design and installation of the facilities shall be the responsibility of the applicant. (Ord. 2005-020 § 2)