CCP 03062023 - Laserfiche WebLink

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RCA Attachment B 39 site or regional stormwaterponding/retention facility designed to 40 accommodate the increased runoff prior to discharge from the site into 41 public waters or wetlands. 42 2.Review by City Engineer: All proposed stormwaterfacilities shall be 43 reviewed by the Ccity Eengineer and certified for compliance with the 44 city's comprehensive surface water management plan, National Urban 45 Runoff Program (NURP) standards, the Minnesota Pollution Control 46 Agency's (MPCA) Urban Best Management Practices, and any 47 established standards of the water management organization having 48 jurisdiction in the project area. 49 3.Commercial, Industrial, and Residential Development Affectation: All 50 commercial and industrial developments and redevelopments affecting 51 more than five acres of land and all residential developments affecting 52 more than five 5 acres of land shall: 53 i.Be served by stormwaterponding facilities, on-or off-site, 54 designed to remove a minimum of 90% of total suspended 55 solids resulting from the runoff from a one inch rainfall event, 56 and 57 ii.Within the development, provide for settling chambers, sumps, 58 dry ponds or other devices to provide for the filtering or settling 59 of fine sands prior to discharge into the city's stormwater 60 system.\[RJ7\]\[RJ8\] 61 F.Private StormwaterFacilities: All private stormwaterfacilities shall be 62 maintained in proper condition consistent with the performance standards for 63 which they were originally designed. All settled materials from ponds, sumps, 64 grit chambers, and other devices, including settled solids, shall be removed and 65 properly disposed of on a five year interval. One to five year waivers from this 66 requirement may be granted by the cCity Eengineer when the owner presents 67 evidence that the facility has additional capacity to remove settled solids in 68 accordance with the original design capacity. 69 G.Inventory of Private StormwaterFacilities: Upon adoption of this chapter, the 70 Ccity Eengineer shall inventory and maintain a database for all private 71 stormwaterfacilities requiring maintenance to assure compliance with this 72 section. 73 74 75 803.05 803.06: STORMWATER BEST MANAGEMENT 76 PRACTICE (BMP)MAINTENANCE: 77 A.Maintenance of Stormwater BMPs. The City requires that stormwater BMPs 78 be maintained. 79 1.Private Stormwater BMPs -Allprivate stormwater BMPs shall be 80 maintained by the property owner so that the BMPs are in proper condition 81 consistent with the performance standards for which they were originally 82 designed. 83 a.Ponds, Stormwater Wetlands, Underground Storage, and other BMPs 84 that settlepollutants 85 i.Removal of settled materials -All settled materials from ponds, and 86 other BMPs, including settled solids, shall be removed and properly 3