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Recommended Proiect No. 4 — Upgrade Navarre Water Plant Controls: <br />The existing control panel at the Navarre Plant is based on an Allen-Bradley "SLC' platform. This <br />equipment is still supportable, and currently uses Ethernet communication, so it is currently <br />compatible with a new SCADA upgrade. However, the existing "SLC' PLC is considered an <br />"Active Mature" device by Allen-Bradley, meaning that parts are still available, but the platform <br />is in its final years of availability. <br />It is recommended that the Navarre Plant control system receive a PLC upgrade within the next <br />five (5) years. If there are proposed changes to the Plant process, then the PLC upgrade should <br />coincide with the schedule of the process changes. <br />Estimated project costs are provided below: <br />RECOMMENDED PROJECT NO. 4 - UPGRADE NAVARRE WATER PLANT CONTROLS <br /># <br />Description <br />Unit <br />Each <br />Quantity <br />Extension <br />1 <br />Mobilization <br />LS <br />$ <br />2,000.00 <br />1 $ <br />2,000.00 <br />2 <br />Shop drawings, technical submittals <br />LS <br />$ <br />6,000.00 <br />1 $ <br />6,000.00 <br />3 <br />Replace existing PLC with new (existing panel) <br />EA <br />$ <br />25,000.00 <br />1 $ <br />25,000.00 <br />4 <br />Replace operator interface panel <br />EA <br />$ <br />6,000.00 <br />1 $ <br />6,000.00 <br />5 <br />Startup, checkout services, test 1/0 <br />LS <br />$ <br />4,000.00 <br />1 $ <br />4,000.00 <br />6 <br />ITraining and demonstration services <br />I LS <br />I $ <br />3,000.00 <br />1 1 $ <br />3,000.00 <br />SUBTOTAL <br />$ <br />46,000.00 <br />CONTINGENCY (20•`%) <br />$ <br />9,200.00 <br />TOTAL CONSTRUCTION COST <br />$ <br />55,200.00 <br />N OTES: <br />(1) City of Orono internal costs are not included. <br />(2) Engineering, legal and administrative costs are not included. <br />Page 11 of 18 <br />