(A) Each municipality is requested to furnish an up-to-date plan of its sewerage system. Plan should include the location, size and direction of flow in all existing sewers. Sewers should be identified as separated or combined. Pumping stations, flow regulation and diversion structure should be shown.
(B) (1) Plans for laterals shall be submitted in the name of the municipality by the municipal officials or a firm of consulting engineers officially authorized to do so. Generally, this authority will be vested in the Village Engineer or a single firm of consulting engineers retained as the Village Engineer.
(2) All plans submitted to this office shall bear the signature of the above designated official.
(C) A letter requesting the approval of plans by the Oakland County Drain Commissioner's Office and the Water Quality Division of the Michigan Department of Natural Resources (formerly known as the Michigan Health Department) shall be addressed to the Oakland County Drain Commissioner and be accompanied by a minimum of five sets of plans. Upon approval of the plans, the Drain Commissioner's Office will retain one set and forward the remaining sets to the Michigan Department of Natural Resources along with a letter requesting their approval. Copies of this letter will be sent to the applicant municipality and the consulting engineer. The Michigan Department of Natural Resources, upon their approval of the plans, will return at least three sets of approved plans bearing the construction permit number to the applicant municipality. The applicant municipality will keep one set, send one set to the Oakland County Drain Commissioner and send one set to the consulting engineer. In the event that the applicant municipality or consulting engineer requires an extra set of approved plans, additional sets shall be included with the initial request for approval.
(D) Plans submitted to this office for review must meet the following requirements:
(1) General location plan that shows the relationship to existing sewerage facilities, including outlet sewer interceptors, pumping stations and the like.
(2) Detail plan and profile drawings along with criteria of hydraulic design (storm frequency, line capacity, line velocities, tributary areas and the like).
(3) Material and construction standards, regular and special.
(4) Desirable scale and size for plan and profile drawings are:
(a) Horizontal scale: 1 = 100, 1 = 50
(b) Vertical scale: 1 = 10, 1 = 5
(c) Plan size: 24 × 36
(Ord. 23.27, passed 1-8-90)