ML16280A218

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Amendment Update to the Updated Final Safety Analysis Report (Ufsar), Revision 26, Chapter 14, Safety Analysis, Figures 14.0-1 to 14.1-67
ML16280A218
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 09/19/2016
From:
Entergy Nuclear Operations
To:
Office of Nuclear Reactor Regulation
Shared Package
ML16280A161 List: ... further results
References
NL-16-109
Download: ML16280A218 (57)


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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

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IE 86 87 88 89 90 91 u

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

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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

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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

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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