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EXHIBIT A <br />AUTHORIZATION FOR PROFESSIONAL SERVICES <br />INDIAN RIVER COUNTY SOLID WASTE DISPOSAL DISTRICT <br />ENGINEERING SERVICES FOR <br />EVALUATION MONITORING FOR THE C&D DEBRIS LANDFILL 1N 2017 <br />CCNA-2014 WO NO. 11 <br />This Authorization, when executed, shall he incorporated in and become part of the Continuing <br />Contract Agreement for Professional Services between the Indian River County Solid Waste <br />Disposal District (COUNTY), and CDM Smith Inc. (CONSULTANT), dated December 6, 2011, and the <br />Extension and Amendment of Continuing Contract Agreement for Professional Services, dated <br />November 4, 2014, hereafter referred to as the Contract. <br />BACKGROUND <br />Evaluation Monitoring <br />Results of routine semi-annual monitoring of groundwater quality at the C&D Debris Landfill in <br />January 2017 indicated that confirmed concentrations of benzene and sodium exceeded the <br />Primary Drinking Water Standard Maximum Contaminant Levels (MCLs) in samples collected from <br />monitor well MW -21. MW -21 is one of the 10 detection monitor wells that comprise the monitoring <br />network for the C&D Debris Landfill. In accordance with Florida Department of Environmental <br />Protection (FDEP) rules and the permit for the facility, the COUNTY reported the exceedances of the <br />MCLs to the FDEP in March 2017. In a letter dated June 22, 2017, FDEP requested that the COUNTY <br />initiate evaluation monitoring in accordance with the requirements of Chapter 62-701.510(6), <br />Florida Administrative Code (F.A.C.). Compliance with the evaluation monitoring requirements <br />include installation of additional monitor wells and implementation of a quarterly monitoring <br />program for the new wells and affected existing wells. <br />Installation of up to two additional monitor wells, quarterly sampling of at least two monitor wells, <br />and preparation of two reports will be performed in 2017 to meet FDEP requirements. <br />SCOPE OF SERVICES <br />CONSULTANT will undertake the annual permit compliance monitoring and reporting, which will <br />include the following tasks: <br />Task 1: Project Quality Management <br />Task 2: Well Installation <br />Task 3: Groundwater Sampling (Quarterly Monitoring) <br />Task 4: Reporting <br />TASK 1.0 - PROJECT QUALITY MANAGEMENT <br />Activities perforrned under this task consist of those generally administrative functions required to <br />assure that the project remains on schedule, within budget, and that the quality of the work <br />products defined within this scope is consistent with CONSULTANT's standards and the COUNTY's <br />expectations. <br />A-1 <br />jj2045.docx <br />