03/10/2004 P&Z Packet - Laserfiche WebLink

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• • Oakwood View page 6 Utilities: The church currently has sanitary sewer and water service. The existing services come in from Oakwood Lane an run along the western edge of the property. These will be relocated within the Oakwood Lane extension. The existing pipes will be completely repalaced. The new lines will provide service for the group residence as well. Drainage and utility easements will cover all utilities. The subdivision ordinance requires that final plat approval be obtained before utilities can be constructed. However, utility service already exists, serving the existing church. Because of this, the relocation can occur without final platting the entire site. As noted in the City Engineer's review, the existing watermain is a long, dead end line. Water service and the possibility of looping the water needs re- examination. The City Engineer's report is attached. Grading and Stormwater Management: Four wetlands exist on the site. The plans include no filling of wetlands. Several stormwater ponds will be constructed. Drainage and utility easements will cover all wetlands and ponds. The subdivision ordinance requires that water courses must be protected by easement that will include at a minimum a ten (10) foot buffer extending outward from the delineated wetland boundary or the water course ordinary high water level. Lots with easements protecting water courses shall have sufficient dimensions and area outside the water course easement to meet or exceed the minimum lot area and width specified in the zoning chapter for the district in which the lots are located. The easement will need to be expanded from what is shown on the preliminary plat. This likely will reduce the lot sizes on a few lots. Lots 2 and 3 will have to be adjusted to ensure they have sufficient area without the easement. This can be done prior to final plat approval. Two "ponding and flowage" easements exist on the site. The plan proposes to vacate both. An easement vacation requires a public hearing at the City Council and two readings of an ordinance. The vacation hearing will occur when the project goes to the City Council for consideration. These are not P & Z action issues. The project requires the approval of the Rice Creek Watershed District. The City has not received geotechnical information on existing groundwater levels and soils. This must be determined in order to compare lowest floor elevations and soil suitability for construction. This must be ascertained prior to City Council consideration of the application. The grading plan is unclear in the are of the south end of the property. This must be clarified prior to City Council consideration of the application.