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Geraghty & Miller, Inc. <br />CONSULTING GROUND -WATER GECLC3,STS A',,D HYDROLOGISTS <br />4 November 1981 <br />P225SC2 <br />Indian River County Commissioners <br />Indian River County Courthouse <br />2145 14th Avenue <br />Vero Beach, Florida 32960 <br />Forum III <br />Suite 404 <br />1675 PalmBeach Lakes Boulevard <br />West Palm Beach, Florida 33401 <br />J <br />Telephone: 305/ 683-3063 <br />Subject: Request for Contract Extension to Perform <br />Additional Services <br />Dear C=,missioners : <br />We are aware that Indian River County has decided to proceed <br />with the construction of a third production well for the <br />South County Taxing District water system. To assist the <br />County in accomplishing its goal, Geraghty & Miller, Inc., <br />proposes to provide technical services pertaining to the in- <br />stallation of the production well. <br />Geraghty & Miller, Inc., will prepare the necessary drilling <br />contract change orders and assist the County and the Joint <br />Venture with the contract administration, in accordance with <br />Farmers Home Administration requirements. During the con- <br />struction and testing of the well, a Geraghty & Miller, Inc., <br />hydrogeologist will act as resident inspector at the site. <br />In addition to determining that the well is constructed <br />according to specifications, the hydrogeologist will describe <br />and analyze formation samples collected during drilling and <br />perform field analyses on water samples collected as drilling <br />progresses in the Floridan aquifer. <br />Part of the drilling program includes an eight-hour pumping <br />test on the completed well. The data collected during the <br />pumping test will be used to define the aquifer coefficients. <br />Recommendations of design capacity, pump sizing and setting <br />depth will be made from the test data. <br />During the pumping test, the Geraghty & Miller hydrogeologist <br />will coordinate with the Joint Venture and the County the <br />collection and delivery of water samples to a laboratory <br />selected by the Joint Venture. The hydrogeologist will <br />coordinate between Geraghty & Miller, the Joint Venture, and <br />the drilling contractor so that logging and any other special <br />testing procedures are completed on schedule. <br />Indian River County will receive progress reports as the wor:,; <br />progresses. Upon completion of construction, Geraghty & <br />Miller will'analyze the data collected during the drilling <br />and testing of the well and prepare an Addendum to our report <br />of April 1, 1981, "Installation and Testing of Production and <br />Monitoring Wells, South Taxing District, Indian River County, <br />Florida." <br />DEC 2 1991 48 PAGE 2.164 <br />L37 <br />