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)>11 <br />F <br />APTIM <br />June 8, 2018 <br />Mr. lames Gray <br />Director of Natural Resources <br />Indian River County Public Works <br />180127th St, Building A <br />Vero Beach, FL 32960 <br />Subject: Indian River County, FL <br />Sector 3 — 2018006 — Work Order #3 <br />2018 Physical Monitoring <br />Dear James: <br />Aptim Environmental & Infrastructure, Inc. <br />2481 NW Boca Raton Blvd. <br />Boca Raton, FL 33431 <br />Tel: +1 561 391 8102 <br />Fax: +1 561 391 9116 <br />www.aptim.com <br />This proposal outlines a scope of work for Aptim Environmental & Infrastructure, Inc. (APTIM) to provide <br />professional services to Indian River County (the County) in support of permit -required physical monitoring efforts <br />for the Indian River County Sector 3 Dune Repair Project constructed in 2014/15 (FDEP Permit No. 0285993 -001 - <br />JC; currently Mod 008 -JN). Physical monitoring for the initial Sector 3 Beach & Dune Restoration Project <br />constructed between 2010 and 2012 has been fulfilled and is no longer required per correspondence with FDEP <br />dated October 25, 2017. The 2018 physical monitoring represents the Year 3 condition of the 2014/15 Dune <br />Repair Project (1124 - R55) and includes beach profile surveys, aerial photography, and report development. <br />Physical monitoring is required at least 5,000 feet north and south of the project area. Additionally, as requested <br />by the County, this proposal includes collection of aerial photography along the remaining portion of the Indian <br />River County shoreline, to be conducted in conjunction with the Sector 3 aerial photography collection. The costs <br />associated with this work order were developed following the provisions of the Professional Services Agreement <br />between Indian River County and APTIM, dated January 9, 2018, to provide engineering and biological support <br />services for the Sector 3 (Wabasso Beach) Beach and Dune Renourishment Project (RFQ#2018006). <br />Task 1: Physical Monitoring Report <br />Task 1: Scope of Work <br />We understand that the County's surveyor, Morgan & Eklund, will perform the beach profile surveying and will be <br />responsible for certifying the survey data and submitting a survey report to the FDEP. APTIM will review the data <br />to ensure that it conforms to the standards required by the FDEP physical monitoring plan. APTIM will notify the <br />County of any issues with the survey data and will coordinate through the County or directly with the surveyor to <br />resolve any issues. <br />APTIM will develop an engineering report that discusses the performance of the beach fill project. We will analyze <br />contour (MHWL and dune) and volumetric changes throughout the project area for erosion and accretion <br />patterns, trends or changes between annual surveys and for cumulative changes overtime. Summary tables and <br />graphical representations of contour and volumetric changes will be presented, as well as beach profile plots of <br />the current and previous monitoring surveys. <br />APTIM will manage the collection of georeferenced aerial photography of the project area, as discussed more fully <br />in Task 2. The aerials will be collected between R-15 and R-60, as to align with previous aerial photography <br />collection related to this project. Plots of relevant hardbottom and shoreline positions will be overlaid on the <br />Sector 3 — 2018006— WON12018 Physical Monitoring Proj. # 631237709 <br />