28-14 Amend Chp. 1339 Storm Water Mgmt

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(1) An aerial photograph with a scale 1" =200', along with the entire drain- age area and all sub -areas noted along with all existing land use condi- tion, contour shall be 2' interval minimum (any other submittal shall meet with prior approval of city engineer). (2) All existing drainage facilities with necessary field data. (3) All natural waterways and cross sections of all waterways with any other data to sufficiently determine the exact time of concentration or travel time (label flow types as sheet, concentrated, channel or other types). (4) All existing and proposed modifications to drainage system, pertinent drainage facilities beyond the development area. (5) A complete storm sewer design noting all proposed storm sewers, cul- verts, and other storm sewer management facilities. (6) Emergency flow way, the flow route for a 100 -year storm conveyed tlmu the proposed project and to the storm inlet or channel outside the project site. (d) Summary of Long -Term Maintenance Plan (1) Statement of the person or entity who will own the detention or reten- tion facilities, BMPs and storm water structures when the construction is completed. (2) Statement of the person or entity responsible for long -tern mainte- nance, repairs, and replacement of the BMPs, storm water conveyance, storage structures, basins, and all storm water related items. (3) Statement of the person or entity responsible for the annual inspections of the post construction BMPs. 1339.17 FINAL COMPLETION (a) Completion. The owner shall notify the city engineer upon completion of all construction improvements or temporary or permanent soil erosion, sedi- ment, and other wastes control practices and the removal of the temporary soil erosion, sediment, and other wastes control practices for which the guarantee has been provided. (b) Final Acceptance. The City will grant foal acceptance and release the guarantee when the following criteria are met: (1) Final stabilization is achieved, as approved by the city engineer; (2) All water quality BMPs are installed and functioning as per the ap- proved SWMP, as witnessed by the city engineer during an as -built in- spection; (3) An as -built SWMP is approved by and filed with the city engineer, which as -built SWMP shall include at a minimum: A. Location and dimensions of all permanent BMPs; 75