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Table 1 <br /> Summary of South RO Plant Operating Systems Evaluation <br /> PrioriPnion of <br /> Ordery Recommendation Action Tpr bable Costs Remarks <br /> 1 Additional Well Ca aci Confirm individual capacity of 1400 gpm for each <br /> Raw water capacity = $,93 mgd w/ <br /> P ty well largest O/S Provides 7.6 mgd MDF <br /> N/A treatment capacity ONLY . See Note I <br /> 1 Replace Tune-up Valve Repaired. Replace w/ electric actuator $10,500 <br /> 1 Install 1 st stage permeate control valve Contract work Restores train configuration to <br /> $30,000 membrane projections <br /> 1 Install profiling valves Contract work $35,000 <br /> Replace 24 valves with lug style valves and extend Existing membranes limit plant to $,4+ <br /> 1 Replace interstage BF valves g <br /> cleaning piping $60,000 mgd-membrane capacity, these <br /> Replace Membranes including Identify extent of bad membranes prior to replacement improvements will provide upgrade to <br /> la installation ( 1 , 152 total @ $515/element) $635,000 6.0 - 7.0 mgd <br /> 2 Inspect MBP and replace impellers Send pumps out and replace individual impellers Provides additional capacity <br /> $45,000 <br /> 2 Modify train capacity to 1 .75 mgd @ <br /> increased recovery of 85% <br /> 2 Upgrade High Service Pumps Purchase 3 3250 gpm, 150 hp pumps/motors Plant currently limited to 6.9+/- mad <br /> $ 130,000 <br /> 2 Upgrade High Service Pump VFD's Upgrade starters with 3 new VFD's $210,000 capacity w/ largest O/S . See Note 2 <br /> Relocate acid injection to raw water <br /> 2 blend, extend Fluoride & corrosion Relocate existing static mixer, modify piping, extend <br /> inhibitor to clearwell acid supply to IJ point $51,000 <br /> 3 Provide additionalermeate saddle to None - costly, since permeate header must be <br /> P P modified also $0 No action <br /> Total Estimated Construction Cost = $ 15206,500 <br /> Contingency (20%) _ $241,300 <br /> Total Estimated Construction Cost (w/ Contingency) _ $ 1,4479800 <br /> Engineering (Includes Design, Permitting, Procurement, & Construction Services - 12%) _ $ 168,500 <br /> Total Project Cost = $1 ,616,300 <br /> Note t : PBS&J Master Plan recommended additional seventh well <br /> Note 2 : PBS&J Master Plan recommended 3 new pumps and starters @ $ 1 .350 million <br /> Kimley-Horn and Associates, Inc. Priority Matrix - rev3.xls 9/1 /2006 <br />