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r <br /> FILE#15-3728 , <br /> 15 Aprii 2015 <br /> Page 2 of 4 <br /> Background <br /> In November 2014 a permit was issued for the construction of a new residence on the subject <br /> property. As part of the redevelopment of the property the owners wish to improve the <br /> lakeshore area by constructing new/replacement retaining walls; rebuilding and reorienting the <br /> lake access stair system; replace (in-kind)the existing decking over the boathouse; and install a <br /> permeable patio area to replace (in-kind) an existing wooden deck on the lake side of the <br /> existing boathouse as well. The hardcover variance is required due to the reconfiguration of the <br /> retaining walls within 0-75' setback; an in-kind replacement would be permitted without a <br /> variance. <br /> ------------------------------------------------------------------------------------ <br /> LOT ANALYSIS WORSHEET <br /> Lot Area/Width: <br /> LR-16 Lot Area Lot Width <br /> Required 43,560 s.f. (1.0 acre) 140' <br /> Actual 23,038 s.f. (0.52 acre) 99' @ OHWL& 99' @ 75' SB <br /> Structural Covera�e: <br /> Total lot Area Total Structural Coverage <br /> 23,038 s.f. (0.52 acre) Allowed: 3,455 s.f. (15%) <br /> Proposed: 3,437 s.f. 14.9%) <br /> Hardcover Calculations: <br /> The hardcover calculations provided with the variance application correspond to the hardcover <br /> calculations provided with the permit for the new home. However, upon inspection it became <br /> apparent that the survey and hardcover calculations don't exactly reflect the current existing <br /> conditions with regard to the 0-75' area. Staff is working with the applicant to rectify what is or <br /> is not included in the hardcover calculations. A variance to exceed 25%is not being requested. <br /> Stormwater <br /> Overlay District Total Area in Allowed Hardcover Proposed Hardcover <br /> Tier Zone <br /> Tier 1 23,038 s.f. 5,759.5 s.f. 5,752 s.f. 685 s.f. * <br /> (25 %) (24.9%) w/in 75' <br /> *this number was adjusted by staff to include the existing wooden decks w/in 75' setback <br /> shown on the hardcover calculation sheet as"landscape rock on fabric" (see discussion below). <br /> The proposed hardcover within 0-75' shown may decrease before Monday's planning <br /> commission meeting and following the applicant's analysis. <br /> ------------------------------------------------------------------------------------ <br /> Hardcover Variance <br /> The applicant's plan involves rebuilding and reorienting the lake access stair near the existing <br /> boat house on the property, installing a new retaining wall system, replacing in-kind an existing <br /> deck over the boathouse and replacing the existing deck near the lake at the bottom of the <br /> boathouse with a permeable landscape rock area. The retaining wall is the only new hardcover <br />