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CCP 02-19-2002
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CCP 02-19-2002
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<br />Gatewav Business Center - Arden Hills. MN <br /> <br />EAW <br /> <br />September 2001 <br /> <br />directed into the stormwater ponds, where the water will be pretreated prior to being . <br />discharged into the wetlands, <br /> <br />Describe alternatives considered and proposed mitigation measures to minimize impacts. <br /> <br />The wetland systems subdivide the site into smaller areas that cannot be developed to <br />meet market needs and development standards, Given the loeation of the wetlands, poor <br />soils and the existence of the power transmission lines, the proposed development will <br />require a limited amount of wetland encroachment. Unavoidable wetland encroachment <br />will be properly permitted and mitigated and the major portion of the existing wetland <br />systems will remain intact. Affected water resources include Wetland #3, PEMC, Type <br />2/3, Wet Meadow, 0,71 aeres; Wetland #5 PEMB-CIPEMCd, Type 2/3, wet meadow, <br />0,38 acres; Stormwater management pond, 0,53 acres, The wetland mitigation, <br />stormwater ponding and preserved wetlands will result in significant open spaee in both <br />the western and southeastern portions of the site. <br /> <br />Proposed mitigation measures are 2: 1 replacement of impaeted wetland, including on-site <br />ponding. The area of impacted wetland totals 1.09 acres, The replacement required by <br />the Wetland Conservation Act (WCA) is two times the impaeted wetland. The <br />replacement will consist in part of the proposed stormwater treatment basin and the <br />proposed newly created wetland (see attached Grading, Utility and Erosion Control Plan, .. <br />Figure C1.0). The total square footage of replacement proposed is in excess of the ,., <br />replacement required per the WCA rules. The proposed newly ereated wetland will have <br />characteristics of existing Wetland #3 (see attached Wetland Delineation Report, <br />Appendix I, and Existing Conditions Plan, Figure C2,O), Wetland #3 is a PEMC Type 2 <br />Wet Meadow with dominant plant species including Spikerush and Cattail. The proposed <br />new wetland will vary from 1 foot to 6 feet in depth and will be approximately 1.62 acres <br />in area. <br /> <br />13. Water Use <br />Will the project involve installation or abandonment of any water wells, connection to or changes in <br />any public water supply or appropriation of any ground or surface water (including dewatering)? <br />0Yes 0 No <br /> <br />If yes, as applicable, give location and purpose of any new wells; public supply affected, changes <br />to be made, and water quantities to be used; the source, duration, quantity and purpose of any <br />appropriations; and unique well numbers and DNR appropriation permit numbers, if known, Identify <br />any existing and new wells on the site map, If there are no wells known on site, explain <br />methodology used to determine. <br /> <br />The proposed office buildings will be connected to the City's existing 12" watermain <br />along Gateway Blvd for fire protection and domestic water service. (See Grading, Utility, <br /> <br />e <br /> <br />Page 14 <br />
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