Minutes - 1994/12/12 - Laserfiche WebLink

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Mounds View City Council Page 7 1111 Regular Meeting December 12, 1994 Keene pointed out the actual drainage patterns across the property. It is a very small impacted area through the whole watershed itself and is limited to an area that actually drains through the property. A diagram was presented showing the proposed house on the property. The house is situated in the major drainage system that goes through the site, therefore, if any grading is done, this will have to be taken into consideration. The contours of the area are such that the proposed house would block the drainage from the adjacent property. That could be compensated by draining the water around the side of the house, through the back of the property and back into its natural drainage system. A portion of the property would be blocked without some regrading. Keene indicated the adjacent property that he felt would be impacted by the development. This would be a local impact and would require measures to ensure the water coming off the adjacent property goes either around the proposed house and out the back yard or through a culvert. Keene explained the purpose of the Buffer Zone was to protect the Wetlands. There are measures that can be done to alleviate some of the impacts of development in the Buffer Zone such as maintaining 1111 as much natural vegetation as possible and restoring areas that are disturbed back to long grasses and wooded areas. On this property, the area that currently drains through the Buffer Zone is a relatively small area and, with some of the proposed rerouting, the drainage would actually go through a longer buffer area than it currently does now, or could be modified to go back through more of a natural buffer area. Councilmember Trude asked Mr. Keene to explain the diagram showing the 100 year event and was concerned that water would come right up to the side of the house. Keene-noted--that--the-100--foot Buffer--Z-one- was based-_-on the City Wetland maps. The topography maps were not completed at that time, so the elevations were an estimation. Since the proposed house would block the natural drainage from the adjacent property, the drainage would have to be redirected. Keene recommended a culvert to satisfy the drainage, and noted that the area in question was only 10 feet. Mayor Linke asked if the drainage would be directed enough so that no ponding would occur next to the proposed house. Keene affirmed that a culvert would be adequate and easily maintained. Councilmember Blanchard asked if soil borings had been done on this 1111 property.