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<br /> <br />^ \NestWater Engineering <br />-; <br /> <br /> <br />ConsuittnQ Engineers <br /> <br />.-- - --~ /-". ~ -- ~~- - "";---~-----~-~-~--,,,- ~-- <br /> <br />S002 WEST EIGHTH ST. <br /> <br />P.O. BOX 1470- PAUSADE, COLORADO 8152e <br /> <br />(303) 4a.'5134 <br /> <br />December 16, 1985 <br /> <br />Mayor and Board of Trustees <br />Town of Lake City <br />B Cl( 544 <br />Lake City, CO 81235 <br /> <br />Re: Preliminary Design Information for <br />Henson Creek Flood Protection Berms <br /> <br />Dear Menbers of the Board: <br /> <br />Accompanying this letter is the preliminary design for construction <br />of a flood protection berm on the north and south banks of Henson Creek <br />from the Gunnison Avenue Bridge to the mouth of the canyon. Mthough we <br />have included plans and specifiarrions for construction of the berm in <br />our submittal, we wish to emphasize that this information must be considered <br />preliminary in nature. As you are aware, we had a very limited project <br />budget for engineering services ($1,000) which precluded the collection <br />of complete field surveys which would be needed for a more detailed and <br />accurate design. Because of these restrictions, the alignment for the <br />flood protection berm and layout of the cross-sections are approximate only. <br /> <br />The information herein may be used for the following purposes: <br /> <br />1. To estimate approximate construction costs for either a capital <br />improvement budget, or for use in applyin~ for a construction <br />grant. Total estimated construction cost IS $20,000_ <br /> <br />2. The plans and specifications may be used as guidelines for <br />construction by Hinsdale County personnel, if al ignment and grade <br />are staked in the field by an engineer (with field design as <br />needed) and if field adj ustments during construction are . <br />permissable. The plans and specifications should not be used <br />as the basis for a formal bidding process to outside contractors. <br /> <br />If the Town of Lake City does decide to put the project out for <br />bid, it would be necessary to provide a more detailed design. This <br />would require field surveys consisting of cross-sections of the entire <br />channel at 25 to 50 foot intervals plus subsurface exploration to determine <br />existing soil conditions_ <br /> <br />It appears that portions of the flood berm will be constructed on <br />private property. Again, we wish to emphasize the importance of obtaining <br />written easements or right-of-way agreements with private landowners before <br />construction of the flood berm on private property. <br />