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INDIAN POINT UNIT No. 2 LOSS OF ALL AC POWER, HIGH Tavg PROGRAM, NUCLEAR POWER AND CORE HEAT FLUX VS TIME UFSAR FIGURE 14.1-50, sht.2 REV. No. 19
u...
HOT LEG
COLD LEG SA URATION
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10 INDIAN POINT UNIT No. 2 LOSS OF ALL AC POWER TO THE STATION AUXILARIES, HIGH Tavg PROGRAM, LOOP 21 AND LOOP 23 TEMPERATURE vs TIME UFSAR FIGURE 14.1-50, sht.3 REV. No. 19
1200 c;-1100
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1.2------------------,
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10 INDIAN POINT UNIT No. 2 LOSS OF ALL AC POWER TO THE STATION AUXILARIES, INTERMEDIATE Tavg PROGRAM, TOTAL RCS FLOW AND PRESSURIZER RELIEF RATE vs TIME UFSAR FIGURE 14.1-50, sht.SIREV. No. 19
16 15 14 13 12 Vl 11 L;J 0::
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92 93 94 95 96 97 98 99 CALENDAR YEAR ANALYSIS FAILURE LINE
- ACTUAL DATA SV TYPE 1 FAILURE RATE SLOPE OF ANALYSIS FAILURE LINE
= 2.47-06/HR
= [(SY TYPE 1 F.R.) * (OPERATING HOURS)) /
(CALENDAR YEARS)
= [(2.47E-06/HR) * (2.917E+06 HRS)) /
(6.42 CAL. YRS.) = 1.1 FAIL/CAL YR.
INDIAN POINT UNIT No. 2 UFSAR FIGURE 14.1-62 TRACKING 8-95/96 STOP VALVE (SV) TYPE 1 FAILURES STOP VALVE DISC FAILS MIC. No. 2001MB1537 REV. No. 17 A
w tl..
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3
~ t-~~*==:::t:::=:C::1:::L1:::=~1:::::::=l~:;:l::=:=l===l===~l=:l~:l~~~I~
86 87 88 89 90 91 92 93 94 95 96 97 98 99 CALENDAR YEAR
-- ANALYSIS FAILURE LINE
- ACTUAL OAT A SV TYPE 2 FAILURE RATE SLOPE OF ANALYSIS FAILURE LINE
= 2.05-07 /HR
= ((SY TYPE 2 F.R.) * (OPERATING HOURS)] / (CALENDAR YEARS)
= [(2.05E-07 /HR} * (2.917E+06 HRS)) / (6.42 CAL. YRS.) = 0.093 FAIL./CAL. YR.
INDIAN POINT UNIT No. 2 UFSAR FIGURE 14.1-63 TRACKING B-95/96 STOP VALVE (SV) TYPE 2 FAILURES STOP VALVE SPRING FAILS MIC. No. 2001MB1538
!REV. No. 17A
V'l 5
- ~~.d'=::::t::::=L1==}1=====1~1==~,====1~=,~=~1=:1~~~,:*:,~J 86 87 88 89 90 91 92 93 94 95 96 97 98 99 CALENDAR YEAR ANALYSIS FAILURE LINE
- ACTUAL OAT A SY TYPE 3 FAILURE RATE SLOPE OF ANALYSIS FAILURE LINE
= 2.05-07 /HR
= ((SV TYPE 3 F.R.) " (OPERATING HOURS)] /
(CALENDAR YEARS)
= [(2.0SE-07 /HR) * (2.917E+06 HRS)) /
(6.42 CAL. YRS.) = 0.093 FAIL/CAL. YR.
INDIAN POINT UNIT No. 2 UFSAR FIGURE 14.1-64 TRACKING B-95/96 STOP VALVE (SV) TYPE 3 FAILURES STOP VALVE STICKS OPEN MIC. No. 2001MB1539
!REV. No. 17A
Vl 11 w
a::
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a..
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- E 86 87 88 89 90 91 92 93 94 95 96 97 98 99 u
CALENDAR YEAR ANALYSIS FAILURE LINE
- ACTUAL OAT A CV TYPE 4 FAILURE RATE SLOPE OF ANALYSIS FAILURE LINE
= 1.22-06/HR
= [(CV TYPE 4 F.R.) * (OPERATING HOURS)) /
(CALENDAR YEARS)
= [(1.22E-06/HR) * (3.925E+06 HRS)] / (6.42 CAL. YRS.) = 0.75 FAIL/CAL. YR.
INDIAN POINT UNIT No. 2 UFSAR FIGURE 14. 1 -65 TRACKING B-95/96 CONTROL VALVE (CV) TYPE 4 FAILURES CONTROL VALVE SPRING BOLT FAILS MIC. No. 2001MB1540 REV. No. 17A
u 5
4 3
~
2 0 z 0
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I I
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86 87 88 89 90 91 92 93 94 95 96 97 98 99 CALENDAR YEAR ANALYSIS FAILURE LINE
- ACTUAL DATA CV TYPE 5 F'AILURF.: RAT£
= 1.53-07 /HR SLOPE OF ANALYSIS FAILURE LINE
= [(CV TYPE 5 F'.R.) * (OPERATING HOURS)) / (CALENDAR YEARS)
= [(1.53E-07 /HR) * (3.92SE+06 HRS)] / (6.42 CAL. YRS.) = 0.094 FAIL./CAL. YR.
INDIAN POINT UNIT No. 2 UFSAR FIGURE 14.1-66 TRACKING B-95/96 CONTROL VALVE (CV) TYPE 5 FAILURES CONTROL VALVE STICKS OPEN MIC. No. 2001MB1541 I REV. No. 17A
ProbabHily of Destructive Overspeed (y....-')
Initial Case 1E
._..~..___..___, WHEN JUSTIRED USING THE APPROPRIATE
'--i,.,--........... -i CURVE, NOMINAL TEST INTERVALS UP TO 3 MONTHS ARE RECOMMENDED.
Turt>Jn* Valve Test lnt.rval (months)
Curve 11:
SlUVeillaoce o4 stop valve discs occurs every 18 months. Testing o4 valve freedom of movement oocurs at inteJVals of 1 to 6 months (horizonlal axis).
Cul'V9 12:
Surveillance of stop valve discs occurs evfJfY 24 months. Tt.sting of valve freedom of movement occtn at intervals of 1 to 6 months (horizontal axis).
Estimated 3.7E-06/r for 3 month test interval for Curve #2 INDIAN POINT UNIT No. 2 UFSAR FIGURE 14.1-67 ANNUAL FREQUENCY OF DESTRUCTIVE OVERSPEED FOR VARIOUS BB-95/96 TURBINE VALVE TEST INTERVAL (1-0N-1 SV-CV TURBINE / 1 OUT OF 4 STEAM PATHS)
MIC. No. 2001MB1542 REV. No. 17A