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would encompass all of the existing easements. The City Council would review the vacation requests prior to the execution of the Final Plat. The subdivision regulations require all ponding and drainage areas to be included in drainage easements that are dedicated to the City. All of the wetlands on the property will be incorporated into a drainage and utility easement. C. Grading. The applicant had submitted soil boring data and a preliminary grading plan as part of the original application. The grading plan (Attachment C) includes the estimated fill needed for each lot when it is developed. Lots 1 and 2 are estimated to need 250 cubic yards of fill, lot 3 is expected to need 200 cubic yards, and lot 4 is expected to need 420 cubic yards. The fill is primarily needed for soil correction and to bring the basement slab to the property elevation. Grading and filling would not occur until each lot is developed. The City and the RCWD would review individual grading and filling as part of the building permit process. The submitted soil analysis does state that the property has limited suitability for construction. The analysis includes guidelines for future construction on the site to mitigate the effects of the low soil suitability for development. The grading information is essentially unchanged from the first review of the Preliminary Plat. D. Trees and Tree Removal (Section 1140.05 Subd 4 and 1325.055) The applicant has submitted a preliminary tree removal plan indicating possible locations for future tree removal; however, since tree removal will not occur until the lots develop the final tree removal plan will be required to meet the City's Tree Preservation Ordinance. Lots 1 and 2 would require very little if any tree removal because the dry area is, for the most part, treeless. Lots 3 and 4 would require tree removal along the Hamline Avenue right-of-way and into the property for the driveway and dwelling. Depending on the number of significant trees on the site, it is possible that tree replacement will be required. A tree survey will be required prior to the issuance of any building permits. Trees could not be removed from the easements or wetland area without City or RCWD approval. Prior to receiving a building or grading permit, the property owner will be required to submit a tree survey and comply with any ordinances regarding tree preservation that are in place at the time of submittal. Approving this plat does not exempt future construction from a future tree preservation ordinance. City of Arden Hills Planning Commission Meeting for October 1, 2008 IlMetro-inet.uslardenhillslPlanninglPlanning Cases 12008108-024 Christensen Estates Preliminary and Final Plat (Pending) 1100108 - PCReport - Christensen Estates Plat.doc Page 5 of 10