Agenda Packets - 1995/01/09 - Laserfiche WebLink

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1k\ 1[1- L 1 I r,),,,,1 A • pp: r- Li t \i ��L i t ' L Mounds View City Council Page 7 Regular Meeting December 12 , 1994 1 Keene pointed out the actual drainage patterns across the property. 2 It is a very small impacted area through the whole watershed itself 3 and is limited to an area that actually drains through the 4 property. A diagram was presented showing the proposed house on 5 the property. The house is situated in the major drainage system 6 that goes through the site, therefore, if any grading is done, this 7 will have to be taken into consideration. The contours of the area 8 are such that the proposed house would block the drainage from the 9 adjacent property. That could be compensated by draining the water 10 around the side of the—house, through the back of the—property and 11 back into its natural drainage system. A portion of the property 12 would be blocked without some regrading. 13 14 Keene indicated the adjacent property that he felt would be 15 impacted by the development. This would be a local impact and 16 would require measures to ensure the water coming off the adjacent 17 property goes either around the proposed house and out the back 18 yard or through a culvert. 19 20 Keene explained the purpose of the Buffer Zone was to protect the 21 Wetlands. There are measures that can be done to alleviate some of 22 the impacts of development in the Buffer Zone such as maintaining 23 as much natural vegetation as possible and restoring areas that are 24 disturbed back to long grasses and wooded areas. On this property, 25 the area that currently drains through the Buffer Zone is a 26 relatively small area and, with some of the proposed rerouting, the 27 drainage would actually go through a longer buffer area than it 28 currently does now, or could be modified to go back through more of 29 a natural buffer area. 30 31 Councilmember Trude asked Mr. Keene to explain the diagram showing 32 the 100 year event and was concerned that water would come right up 33 to the side of the house. 34 35 Keene noted that the 100 foot Buffer Zone was based on the City 36 Wetland maps. The topography maps were not completed at that time, 37 so the elevations were an estimation. Since the proposed house 38 would block the natural drainage from the adjacent property, the 39 drainage would have to be redirected. Keene recommended a culvert 40 to satisfy the drainage, and noted that the area in question was 41 only 10 feet. 42 43 Mayor Linke asked if the drainage would be directed enough so that 44 no ponding would occur next to the proposed house. Keene affirmed 45 that a culvert would be adequate and easily maintained. 46 47 Councilmember Blanchard asked if soil borings had been done on this 48 property. 49