04-10-2023 Council Packet - Laserfiche WebLink

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Created: 2022-07-19 16:13:06 [EST] (Supp. No. 20, Update 2) Page 8 of 10 (7) Pipe outlets must have energy dissipation installed within 24 hours of connection to waters of the state. (g) Inspections and maintenance. The owner shall be responsible for conducting inspections and maintenance of all erosion and sediment control BMPs on site. (1) Inspections, maintenance, and rainfall on site must be documented and readily available for review. Inspections are required as followed: a. Once every seven days on exposed soil areas. b. Within 24 hours after a one-half inch or greater rain event over 24 hours. c. Once every 30 days on stabilized areas. d. As soon as runoff occurs or prior to resuming construction on frozen ground. (2) Maintenance is required as follows: a. When sediment reaches ⅓ the height of the BMP on perimeter control devices, sediment must be removed within 24 hours of discovery. b. If the perimeter control device is not functional it must be repaired or replaced within 24 hours of discovery. c. Temporary sediment basins shall be maintained when sediment reaches ½ the outlet height or ½ the basin storage volume. Basins must be drained or sediment removed within 72 hours of discovery. d. Sediment must be removed from paved surfaces within 24 hours of discovery. (3)(C) Erosion into streets, wetlands or water bodies. If eroded soils (including tracked soils from construction activities) enter or appear likely to enter streets, wetlands, or other water bodies, prevention strategies, cleanup and repair must be immediate with the appropriate approvals from the DNR, MPCA, or any other state, federal, or local agencies as necessary. The owner shall provide all traffic control and flagging required to protect the traveling public during cleanup operations. (4)(D) Erosion off-site. If erosion breaches the perimeter of the site, the owner shall immediately develop a cleanup and restoration plan, obtain right-of-entry from the adjoining property owner and get appropriate approvals from all state, federal, and local agencies as necessary. Then implement the cleanup and restoration plan within 48 hours of obtaining the adjoining property owner's permission and approval from any appropriate state, federal, and local agencies. (Ord. No. 55 3rd series, § 1, 4-13-2009; Ord. No. 69 3rd series, § 1, 4-12-2010) Sec. 79-10. Completion of work. Work will be considered complete when all exposed soil areas have undergone final stabilization, as defined in section 79-5, is constructed to finish grade, and is in conformance with all permit conditions of approval to the satisfaction of the city. The owner shall notify the city when the land disturbing operations are ready for final inspection. Final approval shall not be given until all work, including installation of all drainage facilities and their protective devices, and all erosion control measures, have been completed and final stabilization has occurred in accordance with this chapter. (Ord. No. 55 3rd series, § 1, 4-13-2009; Ord. No. 69 3rd series, § 1, 4-12-2010)