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Steve Ach <br /> • <br /> October 15, 1993 <br /> Page Two <br /> 5. An administrative subdivision of the Dickenson property will need to be <br /> accomplished either prior to or concurrently with this platting process in order <br /> to divide that property into the portion to be included in the plat and the <br /> portion to be excluded as exception #2. <br /> 6. It is not clear if the existing buildings on the exception to the Dickenson <br /> property meet City setbacks. If they do not meet setbacks, the amount of <br /> property excluded from the plant should be increased slightly to facilitate <br /> meeting the City ordinance. <br /> 7. It would be the intent of the Elk River Municipal Utilities to provide electrical <br /> service to the rear of the main buildings in the proposed development. <br /> Adequate easements for these purposes will need to be provided on the final <br /> plat. <br /> B. PRELIMINARY DRAINAGE AND GRADING PLAN <br /> 1. Lot and block numbers should be added to the grading plan for ease of cross- <br /> reference. <br /> • <br /> 2. There are difficult grades to work with in the area of Block 1. The building <br /> on Lot 3 is set at a maximum elevation of 955. However, no 954 contour is <br /> shown. Elevations in this area result in parking lot grades of 4-6 percent. <br /> This may be excessive for these types of developments. Closer review of this <br /> area will need to be undertaken during the site plan review. <br /> 3. There is a substantial amount of grading along the east property line in the <br /> MnDOT right-of-way which will require a MnDOT permit for work within the <br /> highway right-of-way. <br /> 4. No lot lines are shown for Lot 4, Block 2. These should be added to the <br /> grading plan. Also, the grading on Lot 4, Block 2 is extremely flat. This <br /> should be reviewed relative to drainage. <br /> 5. At the southwest corner of Lot 6, Block 2, the grading plan indicates the need <br /> for a retaining wall. We estimate that the maximum elevation of this retaining <br /> wall would be 14 feet high. If a retaining wall of this height is allowed on <br /> this site, we would recommend that it be designed by a professional registered <br /> engineer and the design calculation reviewed by the City Building Inspector <br /> prior to construction. Consideration should be given to terracing the wall to <br /> reduce its visual affect. <br /> • <br /> 152-1501.0cr <br />