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I <br />on the 20 acre parcel, but this parcel is only used as one residential site. There is no intent to use the <br />property for two separate residences. One of the units is located above a detached garage, the second <br />is the primary house (215 and 235 North Arm Lane). Enough land would be left out of the <br />conservation easement for one additional, future residential lot. The total lots would then be 4 over <br />the entire 34.5 acres. The second residential site on the east property would be determined at such <br />time that that property is subdivided. The individual parcel would access North Arm Lane. <br />Under that scenano additional road access would not be required between North Arm Land and the <br />westerly parcel. The option of not requiring a road is beneficial to the property since the existing <br />topography and wetlands are major obstacles to road construction. <br />Sketch'Plan Review <br />The Sketch Plan Review is required for this subdivision because the subdivision will require <br />flexible zoning . The flexible zoning for this application is a variance for land alteration and <br />placement of a driveway within a designated wetland area and within 26 ’ of the wetland. The only <br />land alteration and hardcover that will be located within the wetland is for the crossing The MC WD <br />will also require a permit for the work. Staff has reviewed the access issue with the applicant and <br />has determined the proposed driveway access has the least impact on the wetland. There is no <br />possible access to County Road 19 without crossing some part of the wetland. <br />are <br />ins <br />The general site plan meets all requirements for a front lot/back lot subdivision. Back lots . <br />defined as "a lot typically separated from a public or private road by another lot and which gai <br />access to the public or private road via a narrow corridor. Such a separated lot is considered to bi <br />a back lot when the corridor is platted as an outlot..” The special requirements for a front lotAiack <br />lot division are the back lot (Lot 2), because the property does not have direct access to a road, must <br />meet a minimum of 150% of the minimum lot standards in the zoning district, in this case Lot 2 must <br />have a mimmum lot size of 3 acres, and a principal building shall meet a minimum setbacks 150% <br />of the standard. The lot is in the RR-IB district, which requires a minimum lot size of 2 <br />Setbacks in the district are 50 ’ front and rear yard, and 30 ’ for the side yard acres. <br />Back lots are required to have a driveway access a minimum of 30 ’ in width. The shared driveway <br />access meets the minimum requirements. Outlot A is much wider than 30 ’ at the road This was <br />done to allow the driveway approach to be located at the highest point to provide the best site lines <br />for the driveway. <br />Outlot B will be part of a much larger conservation easement area that will be dedicated to the <br />Heiuiepin Conservation District. A large portion of the adjacent property will also be part of a land <br />dedicauon to the Conservation District. The Conservation District would maintain and manage the <br />conservation area. <br />City Engineer Comments <br />Tom Kellogg. City Enginew. h« subouttai comments that« atuched to this oKmo. His priniaiy <br />ct^utbeptoposedgiadesfortlwdriveway. Tlie existing topography will make a safe driveway <br />difficult if existing grades are used. The grades would be in excess of 20% for the east 150* of the <br />driveway. Typically, the City recommends driveways do not exceed a slope of 10%.