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<br />. ~~!~r~-!~I~nts <br /> <br />Phone (847) 292 - 0200 <br />FaH (847) 292 - 0206 <br />9700 W. Higgins Road. Suite 800 Rosemont. Illinois 60018 <br /> <br />Fu Ilertoneng Ineerlng.com <br />~ _~ _ _ 0 <br /> <br />June 22, 2007 <br /> <br />Mr. John Gettrust <br />Sprint <br />400 W. Grand Ave. <br />Elmhurst, Illinois. 60126 <br /> <br />RE: Sprint Site MSI4XC859-A <br />Arden Hills WT <br />1230 Red Fox Road <br />Arden Hills, Minnesota 55112 <br /> <br />Dear Mr. Gettrust, <br /> <br />Reference is made to the attached Fullerton Engineering Drawings (dated June 14,2007). <br /> <br />. Regarding the installation of antennas at the top of the water tank: In one sector, three (3) existing antennas <br />(96.25" x 7.75" x 2.75") will be replaced by two (2) new EMS FR90-13-00DBL2 antennas (96" x 12" x 7"). <br />We have calculated the wind loads on the antennas and determined the wind load on the new antennas to be <br />slightly less than that on the existing antennas. Accordingly, the replacement antennas will be satisfactory. <br /> <br /> <br />If you have any questions con ems, please do not hesitate to contact us. <br /> <br />.43012 <br /> <br />I hereby certify that this plan, specification, or <br />report was prepared by me or under my direct <br />supervision and that I m a duly Licensed <br />Professional En . e under the laws of the <br />State of Minnes <br />Print Name: <br /> <br />Date: <br /> <br /> <br />012 <br />