12-4-2: IMPROVEMENT PLANS; APPROVAL REQUIRED:
   A.   Preparation Of Plans: Coincident with the submission of the final plat for consideration by the planning commission and prior to the installation and construction of the required off site improvements within any subdivision, plans and specifications therefor shall be prepared by a registered professional engineer and submitted to the city through the engineering department. That department shall, if warranted after the examination and inspection of said plans and specifications, submit to the planning commission and thereafter to the board of commissioners a report in writing stating, in its opinion, the plans and specifications comply with all current ordinances and standards applicable thereto. No installation or construction of any public utility or required off site improvement shall be commenced without approved plans and specifications and permission from the engineering department.
   B.   Submission: Plans for the off site improvements herein required shall be submitted for approval as follows:
Five (5) sets of plans and specifications for all required off site improvements shall be filed with the city through the engineering department for final approval concurrent with the submission of the request for consideration of the final plat by the planning commission.
   C.   Time Limit For Completion: City approval of off site improvement plans for any required off site improvement or any part thereof is null and void two (2) years from the date of approval unless said off site improvements are under construction and will be completed within ninety (90) days. Plans for which approval has expired shall be resubmitted to the engineering department for review and current approval before any work is undertaken on the project and coincident with any consideration of the renewal of a corporate surety bond or other acceptable improvement guarantee associated therewith; provided, however, this shall not preclude the city from instituting a legal action to recover under said corporate surety bond or other improvement guarantee. (Ord. 5157, 8-10-1981)