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APTIM November 12, 2019 Mr. James Ennis, PE, PMP Assistant Public Works Director Indian River County Public Works 1801 27th Street Vero Beach, FL 32960 Aptim Environmental & Infrastructure, LLC 2481 NW Boca Raton Blvd. Boca Raton, FL 33431 Tel: +1 561 391 8102 Fax: +1 561 3919116 www.aptim.com EXHIBIT 1 Subject: Indian River County, FL Sector 5 — 2018029 — Work Order #4 — Amendment 1 Construction Administration Dear James: This amendment to the scope of work previously submitted by Aptim Environmental & Infrastructure, LLC (APTIM) on May 17, 2019, presents a revised proposal of professional services to Indian River County (County) in support of the Sector 5 Beach and Dune Restoration Project. The amendment to the scope of work described herein is to support the County in administering construction for the Sector 5 project including periodic site observations and project certification. The tasks to perform this work were provided in full in the Work Order # 4 proposal submitted on May 17, 2019. This amendment is submitted to provide APTIM staff support for an additional fifty (50) site observation days the Contractor has determined will be required to complete construction within the Contract time. The Contractor's schedule has been revised to account for the placement of additional sand due to the impacts of Hurricane Dorian. Additional services to be provided to the County are summarized herein. A breakdown of the additional hours and expenses to develop the cost is attached. The scope and fee was developed following the provisions of the Professional Services Agreement between Indian River County and APTIM, dated April 3, 2018, to provide engineering and biological support services in support of the Sector 5 Beach and Dune Restoration Project (RFQ #2018029). Task 2: Additional Site Observations The scope of work previously described in the Sector 5 — 2018029 — Work Order 4 proposal dated May 17, 2019 remains unchanged. The cost for this task has been revised to reflect additional observation days due to the increase in volume required due to the impacts of Hurricane Dorian. Work, deliverables, schedule, and costs for Additional Site Observations under Task 2 are described as follows: APTIM will assist the County with engineering services, technical assistance, and on-site observations during construction in order to certify the project was constructed in compliance with the contract documents as Engineer of Record. APTIM will perform site visits on days of active construction and will provide up to eight (8) hours of observation per visit. It is assumed that one (1) site visit per week will be scheduled on the same day as the weekly progress meeting described in Task 1. APTIM will coordinate with the Contractor to perform site visits on days when on-site construction activities are scheduled. The activities, observations, photographs, discussions with the Contractor, and other issues will be documented in a daily observation report and submitted to the County. APTIM's on- site representative will: