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Sep-30-98 15: 59 Burbach Engineers 1 608 348 4970 P.01 <br /> • <br /> D. F. BURBACH MUNICIPAL & CIVIL ENGINEERS <br /> HIGHWAY 80 SOUTH •PLATTEVILLE. WISCONSIN 53818•1608)348-3262 <br /> September 28, 1998 <br /> Pat Klaers, City Administrator <br /> City of Elk River <br /> 1365 Orono Parkway - P.O. Box 490 <br /> Elk River, Minnesota 55330 sent via fax: 612-441-7425 <br /> Dear Mr. Klacrs: <br /> Please take this letter as a follow up of our conversation last week regarding the suitability of <br /> proposed Family Aquatic Center (FAC) site in Lions Park. We have reviewed the geotechnical <br /> reports prepared by GME Consultants, Inc. and American Engineering Testing, Inc. We are of <br /> the opinion that subsoil conditions will require pilings for pool and building structures. <br /> Pilings are mandatory when unstable and compressible soil conditions exist. Lions Park has a <br /> underlying strata of peat. This type of soil is very undesirable tier the construction of permanent <br /> buildings and pool vessels. This location would also require the installation of an extensive <br /> drainage system under the pool vessel. high ground water will cause a pool vessel to float out <br /> • of the ground. <br /> BMCE has experience with piling and dewatering systems for FACs. A piling and dewatering <br /> system for the size of FAC recommended for Elk River would increase the project cost by about <br /> $600,000. BMCE does not recommend placement of a FAC in such an area unless the <br /> community has a preexisting facility in such a location or there are significant extenuating <br /> circumstances. <br /> We look forward to the opportunity to serve your Community on this important project. If you <br /> have any further questions or comments regarding these matters, please feel free to contact our <br /> office at your convenience. Thank you for your consideration of our firm. <br /> Sincerely, <br /> BURBACH AQUATICS - Architects & Engineers <br /> /4.(ithe'( <br /> David F. Burbach, P.E. <br /> Director of Aquatic Services <br /> DFB:dfb <br /> • <br />