The application for a permit for public sewer construction shall be accompanied by three complete sets of plans, profiles and specifications, complying with all applicable ordinances, rules and regulations of the city, prepared by a registered civil engineer showing all details of the proposed work based on an accurate survey of the ground. The application, together with the plans, profiles and specifications shall be examined by the city which shall within twenty days approve them as filed or require them to be modified as it deems necessary for proper installation. Upon determination by the city that submitted plans and specifications sufficiently reflect proper work and procedures, the city shall issue a permit. The permit shall prescribe such terms and conditions as the city engineer finds necessary in the public interest. (Ord. No. 952, § 2.)