Table 11 (Concluded) 



Item 



Action 



Interval 



(years) 



Cost 



(S1996) 



Supply Pump 



Impeller 



Shaft bearings, packing sleeves 



Shell 



Replace 

 Replace 

 Replace 



10450 



4.7 K 



1.0 K 



10.5K 



Air Compressor 



Compressor 

 Motor 



Replace 

 Replace 



1015 



1.2K 

 0.9K 



Gauges 



Manual (5 @ $0.2 K ea) 

 Remote (4 @ $1 K ea) 



Replace 

 Replace 



510 



1.0K 

 4.0K 



Flow Instrumentation 



(TN density & flow meters w/remote digital display 

 panels) 



Replace 



10 



11. OK 



Crane-Mounted VHF Density Meter 



(Replace w/low-power UHF system) 



Replace 



15 



2.0K 



Floor Crane w/2-ton hoist 



Replace 



50 



5.1K 



%-ton 4WD Pickup (Diesel) 



Replace 



6 



21 .7K 



Slurry gate valve 



Replace 



6 



1.2K 



All other gate valves 



Replace 



10 



3.6K 



Jet Pump 



Mixing chamber 



Nozzle 



Diffuser 



Balance of jet pump 



5' steel jet pump extensions 



10' steel jet pump extensions 



300° steel elbows 



Replace 

 Replace 

 Replace 

 Replace 

 Replace 

 Replace 

 Replace 



2 

 8 

 6 

 6 



8 

 8 

 8 



2.9K 

 1.0K 

 1.4K 

 21.7K 

 2.0K 

 2.0K 

 1.4K 



Pipeline 



Water supply (12" HDPE) 



Flexible dredge hoses 



Slurry discharge (12" HDPE) 



Discharge elbow (90°) 



Discharge elbows (45°) j 



Steel dredge pipe 



Replace 

 Replace 

 Replace 

 Replace 

 Replace 

 Replace 



50 



5 



12 



4 



5 



6 



5.0K 

 20.0K 

 30.0K 

 1.0K 

 0.75K 

 2.0K 



Pumphouse 



Roof 

 Furnace 



Replace 

 Replace 



2020 



2.8K 

 3.0K 



12 



Appendix I Capital Replacement Costs, Alternative 2 



