03-12-1990 Council Packet - Laserfiche WebLink

Home Browse Search

tOM:CT:BJxTO: Mayor GrabekOrono Council Memfeev n Planning Commissic ! »-Kellev Planning Cominission > • ■ < ^ ^City Administrator Boiu^.-irdsonMichael P. Gaffron,Assistant Planning & Zoning Administrator October 12, 1989Ding District -LR-IA, Single Family lake.hore Feaidentlal, 2 Acre, Onsewered [>lication -. P^Srlor%dU^tn Vn'd (t Of Exhibits - A - Application ® Owners Letter of Request 10/2/bd Property Owners List Hardcover Calculations Greenhouse Plan View Greenhouse Elevation View Proposed Grading Plan ^ Cross Section View r«oroGtlA^HS :inent Facts - lakeshore*^setfb/ck *varra/<?^^*to^"^ 0-75' hardcover and greenhouse to the existino construct an attached existing residence anfmosJ^of the Portions of the located in the 0-75' lakeshore greenhouse are residence is approximtteiv S7' % ^^® existing proposed greenhouse ^ili^be anfrol^'^^f shoreline. ThI shoreline at its closest polSt. «"c 0 E . P G H I J >K L Lot Area:- 25,925 s.f. 75-250' = 62,900 s.f. 250-500' « 40,000 s.f. 128,825 s.f. =e 2.96 AC HARDCOVER0-75’75-250'250-500*EXISTING S.F. (%)1,491 (5.7%) 11,450 (U.2%) 2,500 (6.3%)ALLOWED S.F. (%)0 (0%) 15,725 (25%) 12,000 (30%)PPOPOSED S.F. (%)1,965 (7.6%) 11,494 (18.3%) No Change3. In conjunction with the greenhouse development, applicants are proposing some minor regrading and a 30" stone retaining wall at the top of the steep lakeshore bank. This work is intended to redirect drainage away from the ridge of the slope in order to preserve that slope. A draintile is proposed to collect runoff between the house and the steep bank in the 0-75' zone, and transport that runoff to a wet well in the 75-250' zone where it will be dispersed below grade, with an overflow to grade in the 75- 250’ zone. This drainage concept has been briefly reviewed with the City Engineer and he has requested seme additional detail but feels the proposal generally should be acceptable. 4. Applicant was also asked to provide some elevation views and cross sections to help in visualizing the degree of impact the 55* setback will have from the lake. Due to the topography and low profile of the greenhouse, that visual impact may be minimal. Applicant was also made aware of the City's concern regarding 0-75' building additions that encroach closer to the shoreline than the existing house. • 5. Technically, an average lakeshore setback variance i? required. However, the most affected neighboring residence is more than 200' away and this greenhouse will have no impact on lake views enjoyed by that property. Discussion - This is an approximately 3 acre parcel, and the majority of runoff from the house and driveway areas already flows generally away from the eastern shoreline. The proposed tile/wet well surface drainage system would appear to compensate for not only the proposed additional hardcover, but may help to decrease the impact of existing runoff flows. The applicants have stated that the grading work directly east of the existing house and proposed greenhouse is to help redirect drainage and provide additional support for the steep slope area. Some slu'^r'inq apparently is already occurring, as can be witnessed in the hedge line at the ridge. The applicant's st- -tent is to preserve the existing vegetation on the sti. v,;* .^ :>pe. Planning Commission may wish to address the potential tur screening the retaining walls to minimize its visual impact from the lake. The applicants have noted that other than the existing house and existing embankment walls in the 0-75' zone, there is very little additional hardcover which could conceivably be removed to