04-17-1995 Planning Commission Minutes

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• MINUTES OF THE ORONO PLANNING COMMISSION MEETING HELD ON APRIL 17, 1995 ( #8 - #2011 Tim & Lori Line - Continued) The Applicants were present and were represented by their architect, Blake Bichanich of Keith Waters & Associates. Mabusth reported that the commission originally dealt with this undeveloped property in 1993 granting hardcover and height variances. Excesses in hardcover were to be offset with the installation of a drainfield. The current proposal also involves a hardcover variance and height variance for an observation tower located in the middle of the structure. A drainfield to the west will treat runoff from 20 +% of total hardcover requests. Mabusth also noted a gain of area due to a redefinition of the shoreline at the 929.4 elevation on the new survey. Staff reviewed the surveyor's field notes and finally accepted the surveyor's findings lacking any specific criteria for defining shorelines adjacent to wetlands either within the City's or DNR regulations. Mabusth clarified how the height of the building is determined. The legal height of the highest part of the roof, the observation tower, is 35'. The structure is 47' at the peak height from the lakeview. The tower is planned in order to gain more light with the • interior of the structure. Bichanich commented to the members that the tower, although needing a height variance, is limited in its affect on the area. The applicant could add volume to the home, which would create a more massive look, without requiring any height variance. It was noted that 201/o of the hardcover would be treated through the drainfield system. Nolan asked the applicant how this is controlled. Bichanich advised there would be four 1000 gallon runoff tanks, which would be equipped to take in 2" of runoff in a one -hour span. Beyond that time and amount, the excess runoff would leech into the surrounding ground. A pump with valves would pump out any sediment. A check valve would be installed to eliminate any backup of the system. If the system is overburdened, this would result in an overflow spilling out onto the lawn. Schroeder questioned if the house plan was worth the cost to install the treatment area. The architect responded that without the treatment, the result would have been a one -third reduction in the size of the home. During public comments, Mrs. Erickson of Forest Lake Landing asked the location of the dock. Erickson was concerned with the wetland areas. Tim Line reported approval of the plans from two neighbors, and the letters of approval • were read into the record by Peterson.