Based on the preliminary plat and the required changes relating thereto, if any, the subdivider shall cause to be prepared a set of drawings and specifications of improvements of construction and utility plans by a registered professional engineer or surveyor. The plans shall include typical sections, plans and profile view, construction details and estimates of quantities. All typical sections and major engineering details to be used on any particular street shall be approved in advance by the City Engineer, before completion of the plans or commencement of construction. (Ord. 4206. Passed 1-24-06.)