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System Upgraded/Phase Description <br />m <br />Phase III. <br />Approved -r <br />Funded <br />Amount <br />REMOTE SITES: <br />Upgrade the current Allen Bradley Radio Telemetry Units (RTU) to Allen Bradley <br />model Slick -500 (SLC -5/03 units & upgrade communication protocol to Modbus). This <br />replacement will modernize the system & eliminate obsolete equipment. Modbus <br />protocol is the preferred method for radio cornrnunication, because of its structural <br />simplicity. <br />A. Roseland Elevated Storage Tank Site equipment replacement. <br />(Estimated Cost S 10,500 — R&R Fund) <br />B. Grand Harbor Re -pump Station system upgrade. <br />(Estimated cost S4,200 — R&R Fund) <br />C. Gifford Elevated Storage Tank Site system replacement. <br />(Estimated cost 510,500 - R&R Fund) <br />D. Kings Highway Elevated Storage Tank Site system replacement. <br />(Estimated cost $10,500 - R&R Fund) <br />E. Highway 510 / 512 Pressure Station system. <br />(Estimated cost S4,200 - Capacity Charge Fund) <br />F. Sebastian Pressure Monitoring Station. <br />(Estimated cost $4,200 - Capacity Charge Fund <br />Outstanding <br />Estimated e; <br />Costs: $ <br />➢ Contingency at approximately 10% to be utilized as approved by the Director of <br />Utilities. <br />$10,500.00 <br />$4,200.00 <br />$10,500.00 <br />$10,500.00 <br />$4,200.00 <br />54,200.00 <br />Radio Survey (Work Authorization #4) <br />Radio system corrections (Work Authorization #5) <br />TOTAL <br />$48,500.00 <br />$44,100.00 <br />517,100.00 <br />RECOMMENDATION <br />S207,700.00 <br />579,200.00 <br />The Staff of the Depart lent of Utility Services recommends that the Board of County Commissioners <br />approve Work Authorization # 5 with ROCHA Controls, Inc , for radio system corrections in the amount <br />of $17,100 and allow the Chair to execute same. <br />FUNDING SOURCE <br />The funding for the total project will corne from the Renewal & Replacement (R&R) Funds No. 471 and <br />Capacity Charge Fund No. 472 <br />ON MOTION by Commissioner Adams, <br />SECONDED by Commissioner Ginn, the Board <br />unanimously approved Work Authorization #5 with <br />Benro Enterprises, Inc d/b/a ROCHA Controls, Inc. <br />for radio system corrections in the amount of <br />$17,100 and authorized the Chairman to execute <br />same, as recommended by staff <br />MARCH 12, 2002 <br />WORK AUTHORIZATION IS ON FILE <br />IN THE OFFICE OF THE CLERK TO THE BOARD <br />-104- <br />n <br />$125,274.00 <br />