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-owarc R. Green Company <br />CONSULTING ENGINEERS <br />July 14, 1999 <br />File: 804490J <br />Mr. Jerry Urban <br />City of Vadnais Heights <br />687 County Road F E. <br />Vadnais Heights, MN 55127 <br />RE: DRAINAGE ISSUE — MAPLE LEAF COURT, CITY OF LITTLE CANADA <br />Mr. Urban: <br />We have examined the site contributory to Maple Leaf Court in the City of Little Canada <br />regarding a drainage problem. We have confirmed the contributing drainage areas referenced <br />in Terry Noonan's letter dated June 17, 1999 with one exception. We have added 0.46 acres to <br />the contributing area of Little Canada. This area is east of Maple Leaf Court and was not <br />included in Mr. Noonan's original calculations. <br />Based on discussions between representatives from Little Canada, Vadnais Heights, and <br />Ramsey County, a consensus was reached to proceed with the option of constructing an <br />Enkamatlriprap swaie. As discussed in our meeting on July 1, 1999, the City of Little Canada <br />will assume responsibility for all overhead costs associated with the design as the initiator of the <br />project. The total estimated overhead costs for design are 59,600.00. Construction costs are <br />proposed to be divided among Little Canada, Vadnais Heights, and Ramsey County. The <br />construction cost has increased slightly due to further erosion since the initial estimate. The <br />total project costs are as follows: <br />Total estimated construction cost <br />Construction Staking <br />Construction Inspection <br />Total Project Cost <br />= 550,500.00 <br />= $ 1,000.00 <br />= $ 2,000.00 <br />= $53,500.00 <br />We have revised the cost split between Little Canada, Ramsey County, and Vadnais Heights <br />based on Vadnais Heights' weighting for storm sewer assessments as determined at the July 1, <br />1999 meeting. The cost split is as follows: <br />Contributor Contributing Weight Weighted Area %Total Area Cost Share <br />Area <br />Little Canada <br />Ramsey County <br />Vadnais Heights <br />2.08 acres <br />1.41 acres <br />4.70 acres <br />1.0 <br />3.0 <br />2.5 <br />2.08 <br />4.23 <br />11.75 <br />12% <br />23% <br />65% <br />$6,420.00 <br />$12,305.00 <br />$34,775.00 <br />RECEIVED WiL 1 5 -�cag <br />0:1PR0J580449015490 -1401. j uly99.doc <br />1326 Energy Park Drive • St. Paul, MN <br />Page 137 <br />S4-9446 toll free 888/368 -4389 <br />