MSIP Table 1

 

Table 1 - Use of mechanical stress improvement process to ensure safe life of nuclear plants

UTILITY PLANT YEAR PIPE &
FITTINGS
NOZZLES
& SEs
TOTAL NOTES
CECo Dresden 3 1986 50 2 52  
CECo LaSalle 2 1987 25 29 54 3
CECo Quad Cities 1 1987 36 2 38  
CP&L Brunswick 2 1988 0 15 15 1-3
CECo Quad Cities 2 1988 43 4 47  
Nuclenor Sta.María de Garoña 1988 24 0 24  
OKG Aktiebolag Oskarshamn 2 1988 1 0 1 1
CP&L Brunswick 1 1988 0 10 10 3
CECo LaSalle 1 1988 15 15 30  
CECo LaSalle 2 1988 8 0 8  
CECo Dresden 2 1988 82 22 104  
PECo Limerick 2 1989 2 16 18  
Northeast Millstone 1 1989 0 22 22 3
Detroit Edison Fermi 2 1989 6 21 27 3
CECo Quad Cities 1 1989 28 12 40  
CP&L Brunswick 2 1989/90 16 20 36 2
CECo Quad Cities 2 1990 30 14 44 2
Teollisuuden Voima OY TVO 1990 5 0 5   
Niagara Mohawk Nine Mile Pt 2 1990 0 1 1 3
Taiwan Power Kuosheng 2 1990 2 0 2 1
CP&L Brunswick 1 1990/91 10 24 34 2
Northeast Millstone 1 1991 34 9 43 3
Iberdrola Cofrentes 1991 0 42 42 3
Boston Edison Pilgrim 1 1991 16 0 16 2
PECo Peach Bottom 3 1991 10 0 10  
PECo Limerick 1 1992 0 7 7  
Cleveland Elect. Perry 1 1992 0 27 27 1-3
TVA Browns Ferry 3 1992 71 29 100 2
GPU Oyster Creek 1992 70 0 70 2
Georgia Power Hacht 1 1993 18 11 29 3
TVA Browns Ferry 2 1993 12 0 12 2
PP&L Susquehanna 1 1993 8 6 14  
PECo Limerick 1 1994 4 14 18  
Georgia Power Hatch 2 1994 0 18 18  
PP&L Susquehanna 2 1994 7 5 12  
GSU River Bend 1994 0 28 28 3
WPPSS WNP-2 1994 6 38 44 3
GPU Oyster Creek 1994 39 16 55  
PP&L Susquehanna 1 1995 5 15 20  
Consumers Pr. Palisades 1995 0 3 3 4-3
PP&L Susquehanna 2 1995 5 16 21  
Northeast Util. Millstone 1 1995 11 0 11  
Northeast Util. Millstone 1 1996 72 0 72  
PSE&G Hope Creek 1999 14 6 20  
CECo Quad Cities 1 2000 5 0 5  
GPU Oyster Creek 2000 17 0 17  

TOTALS

807 519 1,326  
Notes:
1) Some weldments with preexisting cracks
2) Weldments for replacement piping made of SCC immune materials
3) Treated weldments include Inconel 600 Safe-Ends
4) Recent application for PWR Inconel 600 Safe-Ends