Agenda - Council - 03/14/2006 - Laserfiche WebLink

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Brookfield ?' Addition - Final Plat March 9, 2006 $ of 6 Wetlands: A substantial portion of the property, is wetland, which has been delineated and encumbered with drainage and utility easements on the final plat. It is noted that there are no wetland buffers proposed on the final plans. Staff is suggesting that in lieu of the fact that wetlands buffers were not a requirement at the time of preliminary plat review, that monuments be placed at the limits of the wetland. And, like the wetland buffer ordinance, a 15-foot structure setback should be implemented from the wetland limit. Troll Brook Corridor: City. Staff is pursuing acquisition ora conservation e~sement along the Troll Brook corridor. The acquisition is funded through the LCMR Grant. Streets and Access: The proposal for the first phase of the development includes the construction of Limonite Street N.W., 167~' Terrace N.W., Olivine Street N.W., and 170~h Trail N.W., which complies with the preliminary plat, but results in only one access for this £zrst phase of Brookfield until other phases come on line. The phasing of this final plat will result in all 49 lots relying upon a single access point, 166m Aven~6. at Limonite street. Public safety requires that a second outlet be provided for ~.ccess to these lots. Staff proposes that the number of building permits for this addition be limited to 16 until a second paved ingress / egress is provided, either through future phase additions or through a temporary paved connection. Grading and Drainage Plans: A f'mal grading and drainage plan has been prepared for this subdivision by Passe Engineering, Inc. Staff offers the following comments on this plan: 1. Elevations need to be provided on all lot comers and along the centertine of drainage swales which do not coincide with common property lines. Drainage and utility easements need to be provided over such swales and be shown on the grading plan. 2. The 100 year flood elevations for Troll Brook and the adjacent wetland need to be noted on the grading plan. Ail lowest floor building elevations must be two feet above this elevation. 3. The maximum slope should not exceed one foot vertical to four feet horizontal. The slopes on Pond B are one toot vertical to three feet horizontal. 4. The lot grading table should include the style of structure, the front yard slope, the rear yard slope, and a notation on which lots have yard grades less than 2% which will require a grading certificate prior to occupancy. 5. The tree preservation boundary should be added to the grading plan A permit from the Lower Rum River Water Management Organization has been obtained. The conditions of that permit must be met Utilities: This subdivision will be served by municipal sanitary sewer and water service which will be extended to the site via a separate contract. Service to this subdivision will be dependant upon this contract and the development of the Sweet Bay Ridge subdivision. Certificates of occupancy will not be issued until the City sanitary sewer and watermain are fully functional and must include permanent vehicular access to the lift station. The current construction plans must be amended to provide for such access. -157-