#6345-Prelim Plat-2013 - Laserfiche WebLink

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O spa O CITY of ORONO RESOLUTION OFLT�E f�Y COUNCIL G NO. ��kESH0 Each proposed lot contains sufficient contiguous dry buildable land in which to construct a single family residence meeting LR-1C setback requirements as well as MCWD wetland buffer and City wetland/buffer setback standards. However, Lot 4 has virtually no flexibility as to house placement and Lots 3 and 5 have only minimal flexibility. Lots 1 and 2, where the existing houses are located, have substantial flexibility to move forward or back. Lot 6 also has good flexibility, but at the potential expense of a number of mature oak and maple trees. 10. The Planning Commission has recommended that a conservation easement be dedicated over the northerly portions of Lots 1 thru 6, encompassing the wetland and upland areas in approximately the north 60% of the Property. This conservation easement is intended to preserve the woodland in this area, reduce the impacts of development on the flora and fauna in the area, and maintain the existing drainage pattern. Separate and potentially overlapping covenants and easements will be required for wetland preservation, wooded area preservation, and the proposed stormwater pond ing areas required for runoff rate control. The intent is to preserve the conservation area in as natural a condition as possible with no buildings, roads or other man-made intrusions other than stormwater ponding as necessary to serve the development. 11. Stormwater rate control ponds are proposed at the east and west ends of the wetland, to be located outside the 40' wetland buffer area. Due to the drainage pattern in the neighborhood and the seasonal flooding that historically occurs in the low areas of the site, it is critical that as much stormwater and snowmelt runoff from the development as is feasible be discharged to the proposed stormwater quality ponds. However, the City Engineer has indicated that the proposed grading plan may have negative impacts on the house pad for Lot 5, and that the plan be revised to allow drainage from the rear yard of Lot 4 to drain directly to the wetland. The development will be subject to the standard Stormwater and Drainage Trunk Fee. 12. The Developer has provided a Conservation Design Report by Arrowhead Environmental Consulting (AEC), including a tree survey, natural,resources inventory and Conservation Design Master Plan. In the Master Plan AEC recommends the establishment of conservation easements for the wetlands and wetland buffer, and additionally recommends that the tree border adjacent to Northern Avenue be preserved as a buffer to the development. The City Engineer has recommended that an additional easement be established over this tree border. Page 5 of 14