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6.7. SR 02-05-1996CON~ULTINGENGINEERS 1326 Energy Par~( Drive St. Paul, MN 55108 612-644-4389 1-800-888-2923 Fax: 612-644-9446 ITEM 6.7. January 25, 1996 File: 230-220-10 Mr, Pat Klacrs City Administrator City of Elk River 13065 Orono Parkway P.O. Box 490 Elk River, MN 55330 RE: EAST TRUNK HIGHWAY 10 AERIAL TOPOGRAPHY AND GROUND CONTROL Dear Mr. Klaers: CIVIL ENGINEERING: ENVIRONMENTAL MUNICIPAL PLANNING SOLID WASTE STRUCTURAL SURVEYING TRAFFIC TRANSPORTATION ELECTRICAL/MECHANICAL ENGINEERING: HVAC POWER DISTRIBUTION SCADA SYSTEM CONTROLS OFFICES IN: MINNEAPOLIS PRIOR LAKE ST. PAUL WASECA As you requested, we have obtained a quote from Markhurd for 2-foot aerial topographic mapping of the East Trunk Highway 10 area. The area involved is approximately 3,000 acres (4.7 square miles) and consists of the recently adopted urban service area. The aerial topography would be based off of April 1993 photographs. I believe these are accurate enough, since there have been no major changes in the last three years. They would provide the aerial topographic maps on both an AutoCADD disk and a hard copy. It would then be possible for us to manipulate the material on disk by either printing out specific areas, enlarging or reducing it to any scale necessary. In order to triangulate the aerial photographs, Markhurd indicated they would need approximately 35 points located. Twenty-seven points would be for vertical elevation only, and the remaining points would have to be located for both horizontal and vertical locations. The quote from Markhurd for their portion of the work is $17,850, and we have estimated our portion at between $7,700 and $8,600. We have estimated this because we will not know the exact location of these points until we give Markhurd the go-ahead and then they will locate them on aerial photos for our survey crews to use in the field. It will take approximately six to eight weeks from the time the work is authorized until the final product is delivered. If you have any questions or would like additional information, please call. Sincerely, MSA, CONSULTING ENGINEERS Terry J.~au~-~ rer, P.E. TJM:tw 220-2503 .jan An Equal Opportunity Employer