05-12-1986 Council Packet - Laserfiche WebLink

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?oning Filo #991 & #1olt3 May 6, 1986 Page " of 4 The applicant was allowed to continur with building construction and all grading was limited to the following: 1 - Removal Of excess Pill within right-of-way of Bohn's Point Rd. 2 - Foundation drain - referred to as drainage relief system in Noble letter of 4/11/86 (Exhibit J), to be constructed up to 75 feet lakeshore setback line. 3 - Closing up or filling in of sewer line extending from pond. 4 - Back filling around structure. The applicant does plan to continue a sea wall along the lagoon area and install a geothermal heating and cooling system but final plans and supportive data for such are not complete for this review. Applicant understands that separate conditional use permit reviews will be required for eaci proposal. B) Review of Conditional Use_ Permit Applications - Refer to staff sketch ExhIT1S t—K. Area (11, Alteration of lagoon area located within 75 feet of lakeshore. The area had been filled with 3 to 6 inches of top soil in preparation for sodding or seeding. Erosion control was provided as needed. No major grade changes. obvious attempt to "smootf. out" shoreline. This type of filling,is typical when developing lakeshore properties where ground cover is to be installed. Staff has never required conditional use permit reviews for this type of lard alteration when a building permit has been issued on a proper • In review of.the plans submitted with the building permit, this specific land alteration !within the lagoon was not noted and does require separate review. Planning Commission Recommendation - To approve the filling of top soil and "smoothing out" of grades along the lagoon. At present ground cover or seeding has taken hold. Area (2) The applicant has been allowed to construct a trench 2 feet deep filled with gravel and filter fabric that extends from the foundation of th structure to the 75 feet lakeshore setback line. Applicant seeks per ;sion to extend the foundation drain to the lake. The elevation of the dra...age line must be at the 932 elevation, the outlet would have to exit direct to the lake. The quality of such underground drainage would be excellent - passing through 12 feet of soils area then at the end through some 200+ feet of gravel and filter fabric. Planning Commission Recommendation - To approve the complete extension of the foundation drain into lagoon. Applicant's engineer to submit final plans designating elevation of outlet to lagoon, erosion control, schedule for proposed alteration. Area (3) The berm area as proposed in Exhibits R & S have been trimmed back to 6 eet maximum height. Note bank slope ratios are now at a 2:5 maximum. Retaining walls will not be necessary along roadway as would have been required in earlier plans. Applicant cannot use road right-of-way to install berms. All berming must begin out of Bohn's Point Road right-of- way. As currently proposed, the berming creates no sighting hazards for users of private driveway or Bohn's Point Road.