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Development Review 1. The proposed project is located in the northeastern part ofRoseville, south of Lake Owasso, The property is bounded on the east by Western Avenue, on the north by S. Owasso Boulevard, on the west by Dale Street, and on the south by existing single family homes along Centennial Drive. The north boundary is also defined by a Burlington Northern Railway line, an NSP transmission line, and an underground Amoco pipeline. The site has been designated as medium density residential and park in the Roseville Comprehensive Land Use Guide Plan since 1979. The plan update in 1994 continues to show these land uses for this area. The land use plan defines medium density residential as 4 to 10 units per acre. Parkland requirements in this area were shown to be approximately 8.5 acres, The zoning for this property is currently R-1 Single Family Residential. The School District is proposing a residential planned unit development that :_~"J.....A.l:'Ln n .....~"I.T _..1.,....,"'IJ' ~.a....,,~=..."I:r a~..."n1.Q. ..r1']l~;1'U In.+CI o':JIfl,,1 'ft"I.o,.1;11'-'" rl.o.t11t'11+"" +.n."m'J.,.n.TVtoQCI Tt.-a Ul\.r.1UU\Ji3 a. HUh VI. .lVVV U.....l1h).LIL-J iJltU-5U." .LU.U.1UJ .LV"~ UI.LU J.u.....U.LUI..u U\.Iut:J-.I..., ...VVV.L.l.....v.UI."'~. ....U\,l proposed 139 housing units would create a 1.86 units per acre density for the school district site, The School District project was reviewed at the time of the 1994 Comprehensive Plan review, At this time, it is only necessary to amend the official map. ExistinK Conditions The site topography consists of rolling terrain with many steep natural and man made slopes, The high point located in the northern part of the site is approximately 950 feet above sea level. The low point (872.0) is in a wetland in the proposed park area and is actually 17 feet lower than the ordinary high water mark of Lake Owasso. As a part of the planning process, a wetland delineation has b~en done by a wildlife biologist. The delineated wetlands range in size from approximately .25 acres to over 4.5 acres. . The wetland near Western Avenue is a DNR protected wetland, To preserve these wetlands, the School District plans show open space around these protected areas. Approximately 43% of the project area is wooded with concentration of trees on slopes and around wetlands. While many ofthe trees have been identified as soft woods, there are pockets of oak scattered through the site. The proposed landscape plan indicates that substantial tree planting is proposed as a part of the development project. In addition, builders will also be required to meet planting requirements on each individual lot. Environmental assessment work has identified several areas on the site where past dumping has occurred, This dumping has included street sweeping materials, construction materials, and general junk that has been disposed of on the vacant site over the years. The reports have indicated that hazardous materials have been found on the property but that a general clean up will need to be completed. The site is located in the boundary of Grass Lake Water Management Organization. Surface water runoff from the property, as well as water from beyond the site, drain into the wetlands on the school district property. Wetland protection, water quality, and increased ponding capacity are important design issues for this project and are addressed in the Engineering portion of this report. Sanitary sewer and water connections are in place in the street right-of-ways surrounding the property. 2