APS FY1998 Reliability Summary

Reliability Budget per memo of 1/8/1998              
System Unavailability Allotment   Number of Faults Mean Time to Beam Loss Faults Per Day    
RF 1.0%     200 0.12    
Diagnostics 0.2%     800 0.03    
PS 1.0%     200 0.12    
Controls 0.2%     800 0.03    
Water/ME 0.8%     320 0.08    
Vacuum 0.3%     1600 0.02    
S&A 0.0%     10000 0.00    
Operations 0.1%     1600 0.02    
OAG 0.1%     1600 0.02    
Beamlines 0.1%     800 0.03    
Other 0.2%     800 0.03    
Intentional Refill 1.0%            
Total 5.0%     49.75 0.48    
               
FY 1998 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 1.69% 75.34 44 94.6 0.25 User Downtime Hours 302.48
Diagnostics 0.20% 8.98 6 693.9 0.03    
PS 1.93% 86.33 35 119.0 0.20 Scheduled Hours 4465.80
Controls 0.27% 12.03 8 520.4 0.05    
Water/ME 0.18% 8.18 5 832.7 0.03 Delivered Hours 4163.29
Vacuum 0.02% 0.83 1 4163.3 0.01    
S&A 0.03% 1.47 1 4163.3 0.01 User Availability 93.2%
Operations 0.16% 7.03 2 2081.6 0.01    
OAG 0.11% 4.91 0 0.0 0.00    
Beamlines 0.43% 19.03 9 462.6 0.05    
Other 0.79% 35.22 13 320.3 0.07    
Intentional Refill 1.38% 61.72          
Total 7.19% 321.07 124 33.58 0.71    
               
Run 1997-7 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 2.08% 15.40 7 99.7 0.24 User Downtime Hours 43.6
Diagnostics 0.00% 0.00 0 0.0      
PS 1.47% 10.90 5 139.6 0.17 Scheduled Hours 741.84
Controls 0.15% 1.10 2 349.1 0.07    
Water/ME 0.55% 4.10 1 698.2 0.03 Delivered Hours 698.24
Vacuum 0.00% 0.00 0 0.0      
S&A 0.00% 0.00 0 0.0   User Availability 94.1%
Operations 0.04% 0.30 0 0.0      
OAG 0.00% 0.00 0 0.0      
Beamlines 0.26% 1.90 0 0.0      
Other 0.20% 1.50 2 349.1 0.07    
Intentional Refill 1.79% 13.30          
Total 6.54% 48.50 17 41.07 0.58    
               
Run 1998-1 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 1.65% 11.63 6 106.8 0.22 User Downtime Hours 62.5
Diagnostics 0.51% 3.58 2 320.3 0.07    
PS 1.91% 13.43 2 320.3 0.07 Scheduled Hours 703.10
Controls 0.84% 5.88 3 213.5 0.11    
Water/ME 0.00% 0.00 0 0.0   Delivered Hours 640.6
Vacuum 0.12% 0.83 1 640.6 0.04    
S&A 0.21% 1.47 1 640.6 0.04 User Availability 91.1%
Operations 0.39% 2.72 1 640.6 0.04    
OAG 0.27% 1.87 0 0.0      
Beamlines 0.82% 5.79 3 213.5 0.11    
Other 1.23% 8.63 2 320.3 0.07    
Intentional Refill 1.79% 12.59          
Total 9.73% 68.42 21 30.50 0.79    
               
Run 1998-2 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 1.49% 10.62 7 93.8 0.26 User Downtime Hours 58.10
Diagnostics 0.41% 2.93 1 656.4 0.04    
PS 1.29% 9.25 8 82.1 0.29 Scheduled Hours 714.50
Controls 0.19% 1.38 0 0.0      
Water/ME 0.57% 4.08 4 164.1 0.15 Delivered Hours 656.44
Vacuum 0.00% 0.00 0 0.0      
S&A 0.00% 0.00 0 0.0   User Availability 91.9%
Operations 0.36% 2.60 0 0.0      
OAG 0.12% 0.87 0 0.0      
Beamlines 1.19% 8.47 5 131.3 0.18    
Other 0.53% 3.82 2 328.2 0.07    
Intentional Refill 2.27% 16.23          
Total 8.43% 60.25 27 24.32 0.99    
               
Run 1998-3 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 2.29% 26.38 15 72.7 0.33 User Downtime Hours 63.10
Diagnostics 0.14% 1.67 1 1091.1 0.02    
PS 1.55% 17.87 6 181.9 0.13 Scheduled Hours 1154.20
Controls 0.09% 1.02 1 1091.1 0.02    
Water/ME 0.00% 0.00 0 0.0   Delivered Hours 1091.11
Vacuum 0.00% 0.00 0 0.0      
S&A 0.00% 0.00 0 0.0   User Availability 94.5%
Operations 0.06% 0.72 1 1091.1 0.02    
OAG 0.12% 1.42 0 0.0      
Beamlines 0.12% 1.37 1 1091.1 0.02    
Other 0.53% 6.10 3 363.7 0.07    
Intentional Refill 0.81% 9.30 0        
Total 5.71% 65.85 28 38.96 0.62    
               
Run 1998-4 Unavailability Percent Unavailability Hours Number of Faults Mean Time to Beam Loss Faults Per Day    
               
RF 0.98% 11.31 9 119.7 0.20 User Downtime Hours 75.30
Diagnostics 0.07% 0.80 2 538.5 0.04    
PS 3.02% 34.88 14 76.9 0.31 Scheduled Hours 1152.20
Controls 0.23% 2.65 2 538.5 0.04    
Water/ME 0.00% 0.00 0 0.0   Delivered Hours 1076.9
Vacuum 0.00% 0.00 0 0.0      
S&A 0.00% 0.00 0 0.0   User Availability 93.5%
Operations 0.06% 0.69 0 0.0      
OAG 0.06% 0.75 0 0.0      
Beamlines 0.13% 1.50 0 0.0      
Other 1.31% 15.17 4 269.2 0.09    
Intentional Refill 0.89% 10.30 0        
Total 6.77% 78.05 31 34.74 0.69    

Last Updated on 4/8/99
By Mary Kay Jakovich
Email: marykay@aps.anl.gov