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tc CONSENT AGENDA Indian River Countyj Florida Department of Utility Services Board Memorandum Date: September 24, 2020 To: Jason E. Brown, County Administrator From: Vincent Burke, PE, -Director of Utility Services Prepared By: Dwight Fulton, PE, Capital Projects Manager Subject: South County Reverse Osmosis (SCRO) Water Treatment Plant (WTP) Improvements with Kimley-Horn and Associates- Amendment No.1 to Work Order No. 1 Descriptions and Conditions: On September 17, 2019, the Indian River County Board of County Commissioners (BCC) approved the final ranking for Request for Qualifications (RFQ) 2019070 to assist the Indian River County Department of Utility Services (IRCDUS) with the planning, engineering, design, permitting and construction phase services anticipated with two water treatment plants and directed staff to start negotiations with the top ranked firm, Kimley-Horn and Associates, Inc. (KHA). On November 5, 2019, the BCC Chairman signed the agreement for professional services. On December 17, 2019, the BCC approved Work Order No.1 to KHA for preliminary evaluation, preparation of design documents, permitting, and bidding phase assistance on the SCRO WTP, which is currently rated for 8.57 million gallons per day (MGD). As part of the preliminary evaluation phase, KHA submitted a basis of design report dated April, 2020, which identified the condition on the major process components in need of replacement and rehabilitation, evaluated improvements necessary for up to 2 MGD RO train treatment capacity and provided recommendations for redundancy and resiliency at the SCRO WTP. Some of the items identified in the design report were not included in the original work order No.1. Analysis: Staff requested KHA prepare a proposal to provide professional services to address the additional items based on the design report and discussions with staff. Those items are as follows: • New high service pumps (HSP) 4 & 5 (2 - 3 dwgs) • Reverse Osmosis (RO) permeate and concentrate lines (4 dwgs) • . HSP Suction and tank outlet piping (4 dwgs) • Additional CO2 storage and feed system (3 dwgs) • Additional Sulfuric Acid pump skid (1 dwg) • Additional bulk caustic tank in existing containment (2 dwgs) • . Uprating of the WTP from 8.57 to 9.0 MGD treatment capacity • Modification to existing Demineralization Concentrate (DC) disposal permit • Separation of SCADA & PLC Improvements to standalone project The Amendment No.1 to Work Order No.1 will be provided in accordance with the Agreement f75 C:\Users\legistar\AppData\local\Temp\BCL Tech nologies\easyPDF 8\@BCL@740E6031\@BCL@74OE603l.docx