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CCP 02-19-2002
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CCP 02-19-2002
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<br />e <br /> <br />e <br /> <br />. <br /> <br />Gatewav Business Center - Arden Hills. MN <br /> <br />EAW <br /> <br />September 2001 <br /> <br />. Ditches will not be mowed between June 1st and October 1 st <br />. Vegetation management under power lines will be done mechanically between <br />October I st and June I st without the use of chemicals, <br />. Below-ground utility construction sites will be returned to original grade, Erosion <br />will be prevented from reaching wetlands and lakes, <br />. Graded areas will be revegetated with native vegetation, Use of fertilizers and <br />pesticides will be avoided, <br />. All wetlands will be protected from road run-off, lawn and other chemical run-off <br />by a naturally-vegetated buffer strip, <br />. Shallow, vegetated wetlands (Types 2 and 3) will not be dredged and deepened. <br />. Landscaping will be left as natural as possible. <br />. Road placement will avoid separating wetlands from adjacent uplands and will <br />avoid bisecting wetlands, <br />. Roads will be kept to minimal standards on widths and lanes, <br />. If roads are not ditched, as recommended by the DNR, four-inch curbs possessing <br />a 3: 1 slope will be constructed, <br /> <br />DNR Natural Heritage and Nongame Reference correspondence number: ERDB 20010542 <br /> <br />12. <br /> <br />Physical Impacts on Water Resources <br />Will the project involve the physical or hydrological alteration (dredging, filling, stream diversion, <br />outfall structure, diking, and impoundment) of any surface waters such as a lake, pond, wetland, <br />stream or drainage ditch? 0 Yes 0 No <br /> <br />If yes, identify water resource affected and give the DNR Protected Waters Inventory number(s) if <br />the water resources affected are on the PWI: <br /> <br />The existing site includes five wetlands, totaling approximately 4 acres, all of which have <br />been delineated, and two stormwater ponds, totaling approximately 0,7 acres in size" The <br />westernmost wetland is a PEMC Type 2 Wet Meadow, The central and larger <br />southeastern wetlands are PEMC Type 2/3 Wet Meadow and PEMCd Type 2/3 Wet <br />Meadow respectively, A narrow PEMC Type 3 Shallow Marsh is located along the <br />southeastern part of the freeway and a PEMC Type 3 Shallow Marsh is located southeast <br />of the Gateway Boulevard cul-de-sac, For more information, see the attached Wetland <br />Delineation Report, Appendix I. <br /> <br />According to the 2001 EA, the stormwater retention basin, loeated on the northwest <br />portion of the site between 13th Street and the railroad tracks, receives stormwater from <br />Round Lake Road, Gateway Boulevard and the associated road easement areas to the <br />north of the site, A limited amount of stormwater from paved parking areas also drains <br />into the site, The City of Arden Hills maintains the pond and possesses an easement for <br />the pond with the site owner. <br /> <br />Wetland mitigation and storm water ponding requirements will be provided adjacent to <br />the western wetland system, Surface water runoff from the proposed development will be <br /> <br />Page 13 <br />
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