Agenda - Parks and Recreation Commission - 12/13/2001

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Revised Sketch Plan Review: River Pines 5~h Addition November 2, 2001 Page 3 of 4 10. 11. Gradin~ and Drainage: A Preliminary Grading Plan prepared by Passe Engineering and dated June 22, 2001 was provided. The plan indicates the addition of two ponds east of Lithium Street N.W, to handle the increased runoff caused by the development. These ponds, as well as a 20 foot easement for access, is being shown as drainage and utility easements. Ponding will be required to meet water quality and other requirements. All ponding calculations need to be provided at the time of preliminary plat approval. The plan will need to be reviewed and permitted by the Lower Rum River Water Management Organization (WMO). A Wetland delineation will be required on this property. No building permits will be released without evidence of a WMO permit. The City has enacted an ordinance that requires an elevation survey at the time of footing inspection to ensure compliance with the approved grading plan. No grades shall be flatter than 1%. Grades flatter than 2% will require a certificate of grading prior to an occupancy permit being granted. Lots 1, 2, 6 and 7 of Block 2 currently are shown to be flatter than 2%. Easements. The standard 10 foot drainage and utility easements (5 feet on common property lines) must be provided around the perimeter of all lots. Any wetlands should also be delineated and dedicated as drainage easements. The sketch plan identifies an easement along the north property line proposed to be vacated. A legal description of the easement to be vacated is necessary in order to start vacation proceedings. The City is asking for a 100' x I00' foot temporary easement at the extension of 158'h Lane N.W. for the Purpose of a temporary cul-de-sac for emergency vehicles and snowplows. This temporary easement will expire upon successful completion of the platting process. Trail Development: Trail development will be required adjacent and parallel to Hwy. #47. There is also a trail development fee that must be paid prior to release of the final plat for recording. The rate in effect at the time of final plat approval will apply. Tree Preservation. The Preliminary Grading Plan dated June 22, 2001 identifies existing tree stands. At the time of preliminary plat review and approval, the Plan should identify tree removal limits and the location of the tree save fences. The addition of one 2.5 inch dbh tree to the front of each lot should also be identified on the Plan. -56-