Laser Formed Copper Centerpost

Centerpost weights based on November Strawman
Cost Elements Metric Units English Units
Mass of centerpost, 85% Cu, 15% H2O (11/98 strawman) 8.51E+05 kg 1.87E+06 lb
Mass including 5% wastage 8.94E+05 kg 1.97E+06 lb
Deposition rate with 10 laser heads (20 kg/hr for each head) 200.00 kg/h 440.00 lb/h
Elapsed time (total mass/rate) 186.18 d    
Setup time 250.00 h    
Build labor time, 1 operator + 0.5 assistant 6702.41 h    
Inspection and rework (25%) 1675.60 h    
Total labor hours 8628.02 h    
Fabrication cost @ $150/h include site premium and overtime $1,294,202 $    
         
Matl unit cost ($0.72/lb + $0.50/lb (alyng/prcsng) +$0.08 shpng) $2.86 $/kg $1.30 $/lb
Material cost $2,555,853      
         
Energy requirement/head @20 kg/h (heating and melting) 3.75 kW    
Energy input/head @ 20% conversion efficiency 18.75 kW    
Total energy consumption, 10 heads (ET + 30% inspt/rework time) 932054 kWh    
Total energy cost @$0.10/kWh $93,205      
         
Assume construction within Reactor Building See Act 21.02 Reactor Building    
Copper powder storage container $50,000    
Copper powder transport system $25,000    
Assembly fixture and vertical positioning system $125,000      
Horizontal positioning system (coarse control) $60,000      
Vernier raster system (10 + frame) $250,000      
Laser forming heads (10@$45,000 ea) + spares $500,000    
Power supplies, 200 kW total $100,000    
Argon shield $24,000      
Argon supply and recovery system $20,000      
Computer $25,000    
Hardware cost $1,179,000      
         
Subtotal $5,122,261      
Contingency (20%) $ 1,024,452      
Prime contractor fee (12%) $ 737,606      
Total $ 6,884,319      
         
Unit cost $8.09 $/kg    

Last Updated on 11/24/98
By Les Waganer