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)>t' <br />APTIM <br />July 25, 2023 <br />Revised August 8, 2023 <br />Eric Charest <br />Natural Resources Manager <br />Indian River County Public Works Coastal Division <br />1801 27th Street, Vero Beach, FL 32960 <br />Subject: Indian River County, FL <br />Sector 3 — 2018006 — Amendment #1 to Work Order #14 <br />2023 Post -Construction Environmental Monitoring <br />Dear Eric: <br />Aptim Environmental & Infrastructure, Inc. <br />6401 Congress Avenue, Suite 140 <br />Boca Raton, FL 33487 <br />Tel: +1 561 391 8102 <br />Fax: +1 561 391 9116 <br />www.aptim.com <br />This amendment request is submitted for Aptim Environmental & Infrastructure, LLC (APTIM), to provide <br />additional professional services to Indian River County (the County) in support of the Sector 3 Beach and Dune <br />Renourishment Project. APTIM's approved subconsultant, Ecological Associates, Inc. (EAI), has documented a <br />record number of sea turtle nests along the Sector 3 project areas to date and are on track to exceed the allotted <br />funds for nest marking and monitoring. This amendment requests to increase the funds under Task 1B and Task <br />2B to account for the estimated nest marking and monitoring activities for the remainder of the 2023 monitoring <br />season. <br />The additional scope of work to support the County includes the following items: <br />1. Phase 1—Post-Construction Environmental Monitoring (R-20 to R-40) <br />1B. Sea Turtle Monitoring <br />• Increase the number of marked nests by 150 nests to a total of 540 nests <br />• Project and contract management <br />• The lump sum cost of this task is $11,609.93 <br />2. Phase 2—Post-Construction Environmental Monitoring (R-40 to R-55) <br />2B. Sea Turtle and Shorebird Monitoring <br />• Increase the number of marked nests by 200 nests to a total of 590 nests <br />• Project and contract management <br />• The lump sum cost of this task is $15,189.90 <br />A breakdown of the hours and expenses to develop the cost is provided on the following page and EAI's cost <br />breakdown for sea turtle monitoring tasks is provided as Attachment 1. The scope and fee were developed <br />following the provisions of the Professional Services Agreement between the County and APTIM, dated January <br />9, 2018, to provide engineering and biological support services for the Sector 3 (Wabasso Beach) Beach and Dune <br />Renourishment Project (RFQ#2018006). <br />