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EXHIBIT A <br />Work Order Number 17 <br />Indian River County Department of Utility Services <br />Floridan Wellfield Assessment and Improvements <br />PROJECT UNDERSTANDING <br />Raw water is the lifeblood and the main source of water of the Oslo water treatment <br />facilities (WTP) and Hobart water treatment facilities (WTP). With recent and more <br />frequent wellpump motor failures at the Hobart water treatment plant, limitations <br />in the South WTP wellfield controls and RTU system, and on-going wellfield <br />improvements at the South Oslo road water treatment facilities, it is prudent to <br />improve the sustainability and reliability of these wells. <br />The purpose of this project is to improve the sustainability and reliability of the <br />wellfields and implement a plan to standardize equipment and operations of wells, <br />improve reliability of the wellfields, and provide upgrades to the fiber optic and <br />controls system for the wellfields. Standardizing equipment and operations will <br />allow interchangeability of equipment among all of the wells, resulting in a more <br />x <br />robust wellfield system. <br />'4 SCOPE OF WORK <br />A thorough evaluation of the existing wellfield performances with respect to <br />mechanical efficiency, specific capacity and performance, and electrical conditions <br />will be provided. <br />TASK 1- WELL PERFORMANCE - FIELD TESTING <br />Consultant will conduct well testing, collect field data, and update well <br />performance data collected in December 2013. <br />Consultant will perform wellfield testing of fourteen (14) wells in the North and <br />South wellfields (the new well S7 and S4 will not be included) which will consist of <br />water quality parameter testing: sand, silt density index (SDI), turbidity, hydrogen <br />sulfide, iron, pH, dissolved oxygen, and specific conductance; specific capacity <br />testing, review of SCADA system logger data, static and pumping water levels, <br />pumping rates, and specific capacity. <br />FAUtilities\UTILITY - Engineering\WATER\Wells\Admin\IRCU Floridan Well Improvements 1.29.18.docx Page I ofd <br />