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JLA Geosciences, Inc. <br />HYDROGEOLOGIC CONSULTANTS <br />1907 Commerce Lane, Suite 104 <br />Jupiter, Florida 33458 <br />(561) 746-0228 <br />fax (561) 746-0119 <br />July 29, 2024 <br />Nick Black, P.E. <br />Kimley Horn and Associates, Inc. <br />1920 Wekiva Way, Suite 200 <br />West Palm Beach, FL 33411 <br />Via Electronic Mail <br />RE: Proposal for Indian River County Utilities Upper Floridan Aquifer South Well 1R, Well Design, <br />Bidding, Construction & Testing Services- 24 Hour Drilling Services Additional Time <br />Dear Nick, <br />JLA Geosciences, Inc., (JLA) is pleased to have the opportunity to provide Hydrogeologic Consulting <br />Services to Kimley Horn and Associates (KHA) and their client, Indian River County Utilities (IRCU) for the <br />above referenced project. Our proposed scope of work includes 24 hour site coverage for key parts of well <br />construction based on Florida Design Drilling (FDD) modified work schedule of continuous 24 hours per <br />day, 5 days per week work (24/5) for Upper Florida Aquifer Replacement Well (Well S-111). Based on FDD's <br />most recent schedule submitted on 7/26/24 JLA has generated this scope amendment to facilitate 24/5 <br />coverage during key aspects of well construction including pilot hole drilling, geophysical logging, casing <br />installation and grouting activities. <br />The following tasks identify our proposed scope of work with the associated costs for your consideration. <br />1.0 Upper Floridan Aquifer Well Construction Supplemental Coverage — Provide hydrogeologic <br />observation services, hydrogeologic direction and well design/construction implementation during <br />24/5 construction of Well S-111. AJLA hydrogeologist will be present on site during 24/5 construction <br />activities of critical phases of the production well construction including: pilot hole drilling, <br />geophysical logging, casing installation and cement grouting. Other aspects of well construction <br />oversight including completion interval drilling, well development, pump testing and water quality <br />testing will be scheduled to occur during normal work hours and do not require additional oversight. <br />The estimate of additional labor hours necessary to cover 24/5 construction activities is based on the <br />attached summary. <br />Professional and support services <br />TOTAL COST ESTIMATE <br />$52,217.00 <br />$52,217.00 <br />This proposal was prepared based on the information provided to date and our understanding of the <br />project. If you feel that we have omitted anything or have not clearly defined the anticipated scope of <br />work, we will gladly review additional information, and modify the scope and associated costs accordingly. <br />jlageosciences.com <br />