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System Upgrade Svstem Upgrade / Phase Description Estimated Priority / Phase Costs ( S ) Phase I. NORTH COUNTY REVERSE OSMOSIS i Upgrade the Human Machine Interface (HMI) terminal and software with the latest version of Rockwell Software ( RS- VIEW ) for the North County RO. High Service Pumps station. Currently, the existing terminal and software is not compatible with other plant (North and South Reverse Osmosis ) systems A Equipment, programming, and startup services for replacement of the Existing HMI at North Countv Reverse Osmosis . (Estimated Cost 513 , 134 - R&R Fund ) B Remove existing Panel view monitor and modify control panel for new Unit converts existing application and integrate plant wide screens. (Estimated Cost 54 , 950 - R&R Fund ) i Miscellaneous Computer hardware and penphery upgrades as determined by Computer Services Dept . ( Estimated Cost 525 ,000 — 50% Capacity Charge Fund / 500/6 R&R ) Contingencv at approximately 10% to be utilized as approved by the Director of Utilities. Total Estimated Cost ( rounded) 1 S47, 500 Phase II. MAIN PLANTS. i Upgrade the six ( 6 ) System HMI packages to latest version Allen Bradley — RS — View Software . The current software version being utilized is 6. 00.41 . The current and latest revision is 6 . 30 . This software upgrade will eliminate some nuisance errors currently being experienced by the operators. Estimated Cost ( 6 x 52, 850 = S17, 100 - R&R Fund) Upgrade the telephone leased lines modems at both plants to handle a high transfer rate to 19,200 bites per second (BPS ). The current modems are 9600 BPS . This upgrade will reduce plant operator ' s system wait time. Estimated Cost (2 x 51 ,310 = $2 ,620 - R&R Fund) i Add Allen Bradley communication modules (computer cards ) at both plants to bridge the independent Data Highway (DH) networks. Estimated Cost ( 2 x 53 ,410 = S6 ,820 - Capacity Charge Fund) r Meree North and South Reverse Osmosis HMI applications ( computer screens ) to provide control of both plants from either location. Estimated Cost ( 2 x 520 ,000 = $40 ,000 - Capacity Charge Fund ) r Enhance application and system performance errors as outlined by the operators at both plants . Estimated Cost (2 x 551000 = S101000 - Capaciry Charge Fund) r Miscellaneous Computer hardware and periphery upgrades as determined by Computer Services Dept. ( Estimated Cost $25 ,000 — 50% Capacity Charge Fund / 50% R&R ) Y Contingency at approximately 10% to be utilized as approved by the Director of Utilities Total Estimated Cost ( rounded) 5111 ,7011 Phase III. REMOTE SITES: Upgrade the current Allen Bradley Radio Telemetry Units (RTU) to Allen Bradlev model Slick-500 ( SLC-5/03 units & upgrade communication protocol to Modbus ) This replacement will modernize the system & eliminate obsolete equipment. Modbus protocol is the preferred method for radio communication, because of its structural simplicity. A Roseland Elevated Storage Tank Site equipment replacement. Estimated Cost S10,500 — R&R Fund B. Grand Harbor Re-pump Station system upgrade. Estimated cost 11,200 — R&R Fund C . Gifford Elevated Storage Tank Site system replacement. Estimated cost S10,500 - R&R Fund D. Kings Highwav Elevated Storage Tank Site system replacanent. Estimated cost S 10,500 - R&R Fund E. Highway 510 / 512 Pressure Station system Estimated cost $4200 - Capacity Charge Fund F. Sebastian Pressuue Monitoring Station. Estimated cost $4200 - Capacity Charge Fund r Contingency at approximately 10% to be utilized as approved by the Director of Utilities . Total Estimated cost ( rounded ) 548,500 Total Estimated Project Cost S207,700. 00 January 9 , 2001 B � 3 U �