10-17-2005 Planning Commission Packet

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#os-31s2 October 13,2005 • Page 3 Lot 1, Block 2, at the north end of the site, allows for a rear walkout with minimal grading necessary to create a builc�able pad. Septic sites �re dowi�liill to the east, with 2 possible drainfield locations depicted. Setbacks as depicted are appropriate and correct, except that the 50' front setback should be carried around the `tempor•ary cul-de-sac' as if it were pernianent, rather than being measured from the straight section of road corridor. Lot width is 181'- lot area is 2.19 acres dry plus 0.02 acres wetland. Lot 2, Block 2 is centrally located in the property, �nd is intended to be a rear walkout, with Iong open views to the east. Septic sites groposed �re clowi�liill from the house site, on slopes appearing to be 12% or flatter. Setbacks as depicted are appropriate ancl correct. Lot width is 180' - lot area is 2.18 acres dry bttildable plus 0.06 acres wetland. Lot 3, Block 2 has a proposed house location hicked into the northwest conier of the lot, to reduce impacts to tlie steeply sloped mahire woods immediately northwest of the wetland. Due to the existing steep slopes (15-20%), relocation of the house pad froin its prior proposed location further southeast, has allowed for significantly less grading, and significantly less removal of trees as conlpared to the prior plau. Tiie result is potential retention of more of the woods that provides a backdrop to the long views looking northwesterly from Watertown Road. Septic sites are located at the base of the slope just north of the wetland, and need carefiil review to enstue they will not impact or be iinpacted by the wetland. Setbacks as depicted are appropriate and correct. Lot width is 185' - lot area is 2.56 acres dry buildable, plus 0.59 acres wetland. Outlot B Outlot B is 3.72 acres, including the southerly portion of the property most visible from Watertown Road. Outlot B will be corrunonly owned by a hoineowners association, along with the private road, and is iutended as an area for stormwater management and preservation of natural ameuities in line with the City's Conservation Design concept and goals. Stormwater Poncl The storinwater pond is being relocated to the base of the slope in the center of Outlot B, and if constructed coi7•ecfily could fiulction as an aesthetic anci recreation amenity to the subdivision. The storm sewer system needecl to serve the pond will have slight impacts on the woods, and judicious routing of pipes or swales could result in preservation of most trees along those routes. The stormwater pond is proposed partially within the existing delineated wetlanci, and will require special City and MCWD approvals to allow this location; staff has preliininarily indicated suppart for this concept, baseci on the limitations of the site for other efficient ponding locations —wetland mitigation migllt be feasible at the southeast portion of Outlot B to make this plan more acceptable. An elsement for the existing drainagewly tluough the site was granted when the property was subdivided as 1 part of the `Kintyre' plat in 1983. Wetlands on the site will be subject to the standard Flowage and Conservation Easement as well as the City's new buffer requirements. The entire property including wetlands will be subject to the standard Storm W1ter and Drainage Trunk Fee.