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Nelson-Rudie & Associates, Inc. <br />Consulting Engineers <br />2575 University Ave. West, Suite 140, St. Paul, MN 55114 <br /> <br />Dennis A. Nelson, P.E. <br />Scott F. Rudie, P.E. <br />Andrew N. Erdmann, P.E. <br />Joseph M. Pearce, P.E. <br />Michael D. Woehfle <br /> <br />April 9, 1998 <br /> <br />Mr. Rich Czech <br />Elk River Arena <br />1000 School Street <br />P.O. Box 720 <br />Elk River, Minnesota 55330 <br /> <br />Re.' <br /> <br />Dehumidification Feasibility Study <br />Elk River Arena <br />NRA Comm. No. 98-056 <br /> <br />Dear Rich: <br /> <br />We have enclosed the dehumidification feasibility report for the Elk River Arena. Our <br />review of the existing mechanical systems concurs with your experience at the arena. <br />The existing dehumidification system is not adequate to prevent condensation and <br />fogging during summer operation of the facility. <br /> <br />We have indicated in our study that a desiccant based dehumidification system is <br />recommended for the building. We have previously discussed the numerous advantages <br />of using a desiccant based system instead of the conventional refrigerant based system <br />currently installed in the arena. Please let us know if any additional information is <br />needed on the systems. <br /> <br />We appreciate your input into the operation of the existing systems and the time spent <br />with us touting the facility. We would very much like to help with the design of a new <br />dehumidification system for the arena when the decision is made to upgrade the systems. <br />We recommend that the problems be addressed before significant damage occurs to the <br />building. <br /> <br />Please let us know if you have any questions or if you need further information. Thanks <br />again for contacting us. <br /> <br />Yours~~/very truly, . .... '~,- <br /> <br />Michael D. Woehrle <br /> <br />Enclosure <br />F:XFEEPROPXLTS0409.DOC <br /> <br />612/644-2400 <br />Fax: 6121647-4120 <br /> <br />E-Mail: nelsonrudie@ibrn.net <br /> Modern: 612/6474139 <br /> <br /> <br />