No subdivision of land shall be approved unless the improvements required by this chapter are provided for and satisfactory assurance of the completion of the improvements is furnished to the village board of trustees by the owner. Plans and specifications covering the construction of public improvements shall be prepared by a registered professional engineer of the state. All improvements shall be made under the supervision of the village engineer and shall be subject to final inspection by him at the time of completion and before their acceptance by the village board. Any changes in the details of construction made during the course of construction must be approved by the village engineer, and all maps showing these improvements must be revised accordingly before the changes can be made. An accurate set of as built drawings showing all changes made in the plat shall be submitted upon the completion of all construction and prior to final acceptance of the subdivision. (1978 Code § 7-4-1-1)