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03/28/94 09:52 FAX SEH ST. PAUL 0002/002 <br /> • ,504 MEMORANDUM <br /> x ST.PAUL.MN a MINNEAPOLIS.MN 0 ST,CLOUD.MN C CHIPPEWA FALLS. WI 0 MADISON,WI <br /> TO: Mary Saarion <br /> Director of Parks, Recreation and Forestry <br /> City of Mounds View <br /> FROM: Steve Campbell <br /> DATE: March 23, 1994 <br /> RE: Mounds View, Minnesota <br /> STH 10 Pedestrian Crossing at Long Lake Road <br /> SEH No. A-MOUND9406.00 <br /> In accordance with our recent conversation,we have reviewed the cost of an elevated (bridge) <br /> pedestrian crossing versus the cost of an underground (tunnel) crossing for the subject project. <br /> The estimated cost of a standard pedestrian bridge is in the range of$700 to$800 per linear foot. <br /> • The material cost of an 8'x10' box culvert which would be required for a pedestrian tunnel is <br /> estimated to be$650 per linear foot. The additional cost of tunneling associated with the culvert <br /> installation is estimated to be $400 to $500 per lineal foot, resulting in a total installed cost of <br /> $1,050 to $1,150 per lineal foot for the pedestrian tunnel. <br /> In addition to the higher construction cost, the tunnel crossing would require additional costs <br /> for lighting,security and drainage systems. With the additional cost of these systems,the.tunnel <br /> cost would likely approach twice the cost of the bridge crossing. <br /> We would, therefore,strongly recommend that the City continue to pursue the bridge option for <br /> the proposed crossing. If you have any questions, please call me at 490-2067. <br /> do <br />