(A) It shall be the responsibility of the subdivider to have prepared by a registered civil engineer, registered in the State of Arizona, a complete set of engineering plans for construction of water and public sanitary sewer facilities and all other required improvements. Such plans shall be based on the approved Preliminary Plat and be prepared in conjunction with the Final Plat.

(B) Final construction plans for all improvements shall be approved and signed by the City Engineer prior to recordation of the Final Plat. (Prior Code, § 15-4-2)