12-12-2022 City Council Packet - Laserfiche WebLink

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(1) Grading, erosion and sediment control (ESC). A grading eresien and sediment Eon l (ESCTpermit inGlu Jinn a grading, orncinn and sediment Gentrel plan shall be required for all proposed laud -land -disturbing activity unless otherwise exempted in this chapter that meets any or all of the following: (a) Includes excavation, filing, or stockpiling of erodible material in excess of 50 cubic yards per acre; utility,(b) involves the laying, repairing, replaGing, or enlarging ef an URdergrOURd pipe nr other fanility, s�or the di-anGe of read digrass swale> or other neon b�urT tch> .onnel for a dist ne of 500 feet more• �rrrTcrrvr-a-a-� a-r�cc�rvv vzc �rrrvr� {OLIILDisturbs more than one acre of land or 10,000 square feet if any part of the disturbed area is within 300 feet of a lake, stream or wetland and drains towards it; and/or 0)(c) A Iaf�d-land-disturbing activity, regardless of size, that the city determines is likely to cause an adverse impact to an environmentally sensitive area or other property. (2) Grading, erosion and sediment control plan design standards. Grading, erosion and sediment control plans must comply with the following criteria: (a) All plans shell he Gensistent with notional pollutant diSGharge elimination requirements,permit (NPDES) the Gity engineering design standards, the Line Lakes sterrnwater detail plates, and the filing or approval requirements of RiGe CreWatershed el VadRais Lakes Watershed Management AROka e Organization, County, Minnesota Department of Natural Rese ernes Minnesota Department of f Transportation, Minnesota Pollution Centro! Army Cerps of e , State of Minnesota Sterrnwater Manual or other regulatory agennies;All site erosion and sediment control practices shall be consistent with Minnesota Pollution Control Agency document "Protecting water Quality in Urban Areas (1994) as amended and City of Lin Lakes General Specifications and Standard Detail Plates for Street and Utility Construction Wane ian, 2022 Or nUrrent additien as amended. (b) Natural site topography and soil conditions must be specifically addressed to reduce erosion and sedimentation during construction and after project completion; (G) Site eFOSOOR and sediment control praGtiGes must be GORsisteRt with the Monneseta Pollution Centrol AgenGy dOGUrnent ProteGting Water Quality On Urban Areas (2000), as amended, Gity speGifiG written design guid-anGe, and be suffiGient to retain sediment on site; 0 M(c) The project must be phased as best as possible to minimize disturbed areas and removal of existing vegetation until necessary for project progress; W(d) The city may require additional erosion and sediment control measures on areas with a continuous slope leading to a sensitive, impaired or special water body, stream, ditch or wetland to assure retention of sediment on site; (f) When site restriGtiens do not allow for a temporary sediment basin or less developed,than the required aGreage is being temporary sediment basins, where 3teare They are not required On areas with steep highly 0 slopes, 11