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Exhibit #1 <br />To <br />Amendment 2 <br />To <br />Work Order Number 14 <br />PROJECT DESCRIPTION <br />This amendment #2 modifies Work Order #14 to incorporate the following work at the South RO <br />water treatment plant: <br />Design services for replacement of the existing motor control center MCC -2, feedwater <br />pump variable frequency drives (VFD), and the existing 2000 amp automatic transfer <br />switch (ATS) at the South RO water treatment plant <br />Modify drawings and specifications to include additional rehabilitation of the RO trains. <br />Conduct an Initial Distribution System Evaluation for Final Stage 2 Disinfectants and <br />Disinfection Byproducts Rule for water distribution system <br />Considered to be Phase I of the South RO WTP improvements, a portion of the project has <br />already been authorized and completed by TLC Diversified, Inc. This work consisted of feed - <br />water pump upgrades, membrane replacement, train piping modifications, and installation of <br />profile valves and inter -stage valves. As a result, the remaining work (Phase II), including high <br />service pump replacement, permeate acid injection point relocation, chemical system <br />modifications, bulk scale inhibitor tank installation, RO train improvements, MCC -2 replacement, <br />feedwater pump VFD replacement, and ATS replacement will be advertised for bidding. <br />These plant improvements will not only provide additional high service pumping capacity and <br />throughput from the plant, but address some critical rehabilitation and replacement components <br />need at the South water treatment plant. <br />Indian River County Utilities (IRCU) water system is subject to EPA's Initial Distribution <br />System Evaluation (IDSE) requirements of the Stage 2 DBPR since chlorine is used as a primary <br />residual disinfectant and is a community water system that serves > 10,000 people. In order to <br />comply with the IDSE requirements, there are three options IRCU may qualify for: <br />Meet 40/30 Certification requirements <br />Conduct a system specific study using existing monitoring results, or water system <br />hydraulic model <br />Conduct standard monitoring <br />Based on a review of IRCU's 2006 annual water quality report (highest TTHM of 114 exceeds 40 <br />ppb), the fact that only four sites are tested for THM's and HAA5's, and the existing water <br />system hydraulic model has not been calibrated and has not been run in extended period <br />simulation, the Standard Monitoring Plan should be prepared and submitted to EPA to conduct <br />standard monitoring per the Schedule 2 requirements. <br />The following scope of work under this amendment consists of: <br />S:\044\044572017 -SRO Upgrades\Scope\South RO PlantMCC Replacement -Amendment 2 rev 5.doc Page I <br />