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Section78-305 -Lot Area/Width: LR-lA Lot Area Required 87,120 s.f. (2.0 acres) Actual 131,820 s.f. (3 .0 acre) Section 78-1403 -Structural Coverage: Lot Width 200' ± 320'@ 75' F ILE #18-3997 16 Jan 2018 Page 2 of 5 / ± 320 ' @ OHWL The property exceeds 1.99 acres and therefore is not subject to structura l coverage limitations . Section 78-1680 and 78-1700 -Hardcover Calculations: Storm water Total Area in Allowed Existing Proposed Overlay District Tier Zone Hardcover Hardcover Hardcover Tier 1 131,820 s.f. 32,955 s.f. 23,196 s.f. * 23,196 s.f. (25%) {17.5%) (17.5%) * Staff adjusted the submitted hardcover calculations to exclude all of the retaining walls per current policy. The portions of house and other hardcover within 75-feet of the lake have not been itemized out. However, the applicant is not proposing any changes to existing hardcover or building footprints. Applicable Regulations: Lake Setback Variance (Section 78-1279) The existing home is situated 54.4 feet from the ordinary high water level (OHWL) of Lake Minnetonka where, normally, structures are not permitted. The applicant's proposal involves replacing the ex isting flat roof of the one-story conservatory with a pitched roof, thus increasing the vo lume of the encroachment within the lake setback. Additionally the roof of the main portion of the home will be modified to add gables on the north and south ends to rep lace the existing hipped roof. The roof will not increase in overall height or peak height, however the mass of the new gable within the 75-foot lake setback will be greater than existing. Average Lakeshore Setback Variance (Section 78-1279) The home is located entirely lakeward of the average lakeshore setback line based on the homes immediately to the north and to the south . Those homes do not appea r to have existing views of the lake over the subject property rather, each of the homes are situated primari ly with views of the lake away from the subject property. The applicant is proposing imp rovements to the ex isting home which will increase the mass of the encroachment within the average lakeshore setback. However, the addition of a covered entry; a second story over the existing flat roofed, single story garage; a new pitched roof over the flat roofed conservatory; and change in the roof over the main portion of the home are not likely to adversely impact existing views of the lake from the adjacent homes. The roof over the ma i n portion of the home will also be mod ified to add gables on the north and south ends replacing the existing hi pped roof. The roof will not i ncrease i n overall he ight or peak height, however the mass of the new gables within the average lakeshore setback will be greater than existing .