ML20235V285

Proposed Tech Specs Re Reducing Turbine Valve Test Frequency by Allowing Frequency to Be Determined by Methodology in WCAP-11529, Probablistic Evaluation of Reduction in Turbine Valve Test Frequency

ML20235V285
Person / Time
Site:	Prairie Island
Issue date:	09/28/1987
From:	NORTHERN STATES POWER CO.
To:
Shared Package
ML20235V263	List: ML20235V262 ML20235V274 ML20235V285 ML20235V297
References
NUDOCS 8710150076
Download: ML20235V285 (5)

Text

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EXHIBlT B i

2 License Amendment Request Dated September 28, 1987 l

Docket No. 50-263

-306 License No. DPR-42 l

-60 Exhibit B consists of marked up pages of the Prairie Island Technical Specifications showing the proposed changes listed below:

Page:

TS.4.1-2A l

fh0A50076 870928 p ADOCK 05000282 PDR

.. n.

3 Table TS.4.1-2A REV 75 6/26/85 9

'.,'. MINTMUM FREOUEUCIES FOR EOUIPMENT TESTS i FSAR Sect.  ;

4 Test Frecuenev Reference l i

1. Control' Rod Assemblies Rod drop times All rods during each .7 of full length refueling shutdown or rods following each removal of the reactor vessel head; affected rods fellowing maintenance on or modification to the control rod drive system which could l affect performance of i those specific rods l

2. ~ Control Rod Assemblies .

' Partial move- Every 2 weeks 7 ment of all rods -

,. 3. Pressurizer Safety

• Set point Per ASME Code,Section XI -

Valves Inservice Testing Program 4; Main Steam Safety Set point Per ASME Code,Section II - i Valves Inservice Testing Program  !

( '

5. Reactor Cavity Water level Prior to moving fuel -

assemblies or control rods and at least once every day while the I

-cavity is flooded.

6. Pressuri:er PORY Functional Quarterly -

Block Valves

7. Pressurizer PORVs Functional Every 18 months -

8. Deleted l

9. Primary System Leakage Evaluate Daily 4 l

'10. Deleted i

11. Turbine.stop valves, Functional dedch 10 )

governor valves, and ggt [ ( g) {

intercept valves.

(Part of turbine l overspeed protection.)

12. Deleted  !

W !L. c _ : --" ie 1. .;

• J 22d ;f sole operac.wu. ..:n be r- ~ -- ---i;;.; a a leer th u 130 ppm y w. & - c;; a gy3 ;g ,, a 2

_4 g _

eersor O s. lve s, s t un gsresp e v tve.s s.e s se b ye s .g st s..e n Q *n r p.s is.y v wes, s f *74 =8 k e k t. meekade/opy Press t<4 h 6.ic A P - //.ra.r " P,.,1, 1lg.* 8-

. Sq w.y consteen%4 ee refusa,, !

fos. t ~m.s to of "R eks trion k %cke 0 les Tese M.a for- rs.L s Q sn y an ney 'ereb e li/.'tf o ?.e k; -cLs, s e en-b lis W N R C. a.e c e p-tm e e e.r s'+

• r ts- s.~ar F ssile 0 G W K 2?Oi! M J)L !?6??'?] *V Y *" ' I* * * * ** * * ' k ** U L ** A U ' 'lL'L **' " h

E

, .i Tcblo TS.4.1-2A~

REV XX XX/XX/XX a

MINIMUM FREQUENCIES FOR EOUIPMENT TESTS FSAR Sect.

111g Freauency geference .,

J

1. Control Rod Assemblies Rod drop times All rods during each 7 of full length refueling shutdown or ]

rods following each removal J of the reactor vessel head; affected rods

-following maintenance on or modification to i the control rod drive j system which could I affect performance of I those specific rods

2. Control' Rod Assemblies Partial move- Every 2. weeks 7 ment of all rods

3. Pressurizer Safety Set point Per ASME Code,Section XI -

l Valves Inservice Testing Program

4. Main Steam Safety Set point Per ASME Code,Section XI -  !

Valves Inservice Testing Program

5. Reactor Cavity Water Level Prior to moving fuel -

assemblies or control rods and at least once every day while the cavity is flooded _

r

. 6. Pressurizer PORV Functional Quarterly -

Bloch Valves

7. Pressurizer PORVs Functional Every 18 Months -

8. Deleted j

9. Primary System Leakage Evaluate Daily 4 j

10. Deleted

11. Turbine stop valves, Functional See (1) 10 governor valves, and intercept valves. l (Part of turbine overspeed protection)

12. Deleted (1) Turbine stop valves, governor valves and intercept valves are to be tested at a frequency consistent with the methodology presented in WCAP-11525 "Probabilistic Evaluation of Reduction in Turbine Valve Test Frequency", and in accordance with the established NRC acceptance criterig for the probability of a turbine missile ejection incident of 1.0x10' per year. In no case shall the turbine valve test interval exceed one year.

l

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p.

EXHIBIT D License Amendment Request Dated September 28, 1987 Docket No. 50-263

-306 License No. DPR-42

-60 Exhibit D consists of WCAP 11529 "Probabilistic Evaluation of Reduction in Turoine Valve Test Frequency" (Non-proprietary version of WCAP-11525 "Probabilistic Evaluation of Reduction in Turbine Valve Test Frequency") .

e s t 4

?.

. ,. j EXHIBIT C' l

, l 6-

.. l v.

r-. License Amendment Request Dated September.28,~1987 i

Docket No. 50-263

-306- ,

License No. DPR-42

-60 Exhibit C consists of retyped pages of the Prairie Island Technical ,;

Specifications showing the proposed changes listed below: j ,

TS.4.1-2A i

e 9

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