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ATTACHMENT A <br />SCOPE OF SERVICES <br />PROFESSIONAL ENGINEERING SERVICES <br />FOR <br />RAS AND WAS PUMP REPLACEMENT AT THE CENTRAL WASTEWATER PLANT <br />1 OVERVIEW <br />1.1 Background <br />Indian River County (COUNTY) operates the 4 MGD Central Region Wastewater Treatment Plant. A <br />condition assessment of the facility was recently completed as a part of the COUNTY asset management <br />program. During this assessment it was found that the Return Activated Sludge (RAS) Pumps and Waste <br />Activated Sludge (WAS) Pumps and associated piping and valves were in poor condition due to <br />equipment age and environmental corrosion and are recommended for replacement. The COUNTY has <br />requested a proposal from Arcadis U.S., Inc. (CONSULTANT) to provide professional engineering <br />services for design, phasing plan for operations and bidding, and limited construction administration <br />services. <br />The proposed work will be authorized as a task order under the existing General Professional Services <br />Agreement, between the COUNTY and CONSULTANT, dated February 24, 2017. The terms and <br />conditions of the referenced Contract apply. <br />1.2 Design Concept <br />The general design concept as discussed on a call between COUNTY and CONSULTANT on January 9, <br />2019 is as follows: <br />• Replace existing RAS and WAS Pumps with new pumps of equal capacity and head of the pumps <br />being replaced <br />• Replace existing piping, valves and sensors associated with the RAS and WAS pumps <br />• Replace existing seal water piping at pumps <br />• Develop phasing plan for construction to ensure continued operation <br />• Develop bid documents, provide pre-bid support, and bid recommendation <br />Provide limited construction administration services <br />• Produce record drawings based on contractor supplied "as builts" and conditions observed during <br />site visits <br />