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�N <br />INDIAN RIVER COUNTY, FLORIDA <br />DEPARTMENT OF UTILITY SERVICES <br />Date: January 26, 2018 <br />To: Jason E. Brown, County Administrator <br />From: Vincent Burke, P. E., Director of Utility Services <br />Prepared By: Arjuna Weragoda, P.E., Capital Projects Manager <br />Subject: Work Order No. 17 with Kimley Horn and Associates for Design and Implementation of <br />Floridan Wellfield Assessment and Improvements. <br />DESCRIPTIONS AND CONDITIONS: <br />Indian River County Department of Utility Services (IRCDUS) owns and operates two (2) regional potable water <br />treatment facilities. The North County Reverse Osmosis (NCRO) Water Treatment Plant is rated for 11.44 <br />million gallons per day (mgd). The South County Reverse Osmosis (SCRO) Water Treatment Plant is rated for <br />8.57 million gallons per day (mgd). The source water for both plants are from a total of sixteen (16) Upper <br />Floridan Aquifer (UFA) wells — nine (9) are at the NCRO and seven (7) are at the SCRO. Some of these wells are <br />almost 26 years old. <br />Raw water is the lifeblood and the main source of water for both water treatment facilities. With recent and <br />more frequent well pump motor failures at the NCRO, limitations in the SCRO wellfield controls and remote <br />telemetry unit (RTU) system, and on-going wellfield improvements at the SCRO facilities, it is prudent to <br />improve the sustainability and reliability of these wells. The substantial completion of the new Well No. 7 at <br />SCRO was achieved December 2017, and Well No. 411 is currently under construction; hence the two subject <br />wells have been removed from the assessment. <br />The purpose of this project is to improve the sustainability and reliability of the wellfields and implement a <br />plan to standardize equipment and operations of wells, improve reliability of the wellfields, and provide <br />upgrades to the fiber optic and controls system for the wellfields. Standardizing equipment and operations will <br />allow interchangeability of equipment among all of the wells, resulting in a more robust wellfield system. <br />ANALYSIS: <br />Staff requested Kimley-Horn and Associates (KHA) prepare a proposal to evaluate, assess and improve the <br />fourteen (14) old wells. The work order will be provided in accordance with the Extension and Amendment of <br />Continuing Contract Agreement for Professional Services entered into as of the 41h day of November, 2014, <br />and Extension of Continuing Contract Agreement for Professional Services entered into the 24th day of October, <br />2017. The scope is more specifically described in the attached Work Order No. 17. The total negotiated cost <br />for the Wellfield Assessment and Improvements in Work Order No. 17 is a lump sum amount of $87,953.00 <br />separated into four (4) tasks. <br />207 <br />C:\Users\legistar\AppData\Local\Temp\BCL Technologies\easyPDF 8\@BCL@FCODEOOF\@BCL@FCODEOOF.docx <br />