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Consent Item Indian River County, Florida Department of Utility Services Board Memorandum Date: March 16, 2023 To: Michael C. Zito, Interim County Administrator From: Sean C. Lieske, Director of Utility Services Prepared by: Harrison Youngblood, PE, Utilities Engineer, Utility Services Subject: Final Pay to All Webb's Enterprises, Inc. Descriptions and Conditions: On June 8, 2021, the Board of County Commissioners (BCC) approved the agreement with All Webb's Enterprises, Inc., (AWE) for the Well Field Feasibility Investigation work at wells S-1 and N-7 in the amount of $992,100.00. The Wellfield Feasibility Expansion Study included deepening two of the county's existing production wells from the Upper Floridan Aquifer (UFA) to the Avon Park Production Zone (APPZ)/Lower Floridan Aquifer (LFA). The goal of the project was to deepen production wells S1 (south wellfield) and N7 (north wellfield) to obtain representative water quality and production data from the lower aquifer, to help facilitate long-term water supply planning efforts. AWE began the process of deepening S1 in October 2021; however, it was quickly discovered that the well was producing high volumes of sand during the drilling process, and the well was determined to be unsuitable for further use. Plans were made in December 2021 to mobilize to Well N7 to complete the scope of work associated with deepening the well. On March 8, 2022, the BCC approved a reduction of $211,465.00 for work that was no longer needed for well S1, leaving the total for the agreement at $780,635.00. During the construction at N7, it was noted that the depth to be drilled was less than the allocated depth noted in the contract. Therefore, the final amount would be less than the total agreement value that was approved on March 8, 2022. The project has since been completed, and since AWE did not have to drill as deep as originally proposed, the final total cost came in at $718,035.00. Analysis: AWE has submitted Payment Application No. 6 for $64,401.75 forfinal pay. Kimley-Horn and Associates (KHA) has recommended approval of the final payment. To date, AWE has been paid $653,633.25. Payment in the total amount of $64,401.75 will complete the county's obligation to the contractor for the amount of $718,035.00. Funding: Funds, in the amount of $64,401.75, for the final payment will be split between two accounts. Those accounts are in the Utilities operating fund under Utilities /Retainage account, number 471-206000, from which $34,401.75 will be used, and the Utilities/Water Prod/Other Professional Services account, number 47121936-033190, from which $30,000.00 will be used. Utilities operating funds are generated from water and sewer revenues. F:\UtiIities\00_L1T1LlTY- AGENDA TEMPLATE & GUIDELI NES\2023 Agenda Items\040423\Final Pay to All Webbs Enterprises\Agenda-Final Paddy Webbs Enterprises Inc..docx Lv