ML20080K550

Proposed TS 4.4-2,allowing Implementation of Exemptions to Schedule Requirements of 10CFR50,App J

ML20080K550
Person / Time
Site:	Prairie Island
Issue date:	02/23/1995
From:	NORTHERN STATES POWER CO.
To:
Shared Package
ML20080K538	List: ML20080K535 ML20080K546 ML20080K550
References
NUDOCS 9503010166
Download: ML20080K550 (4)

Text

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                                                                                      'l LICENSE AMENDMENT REQUESTS DATED February 23, 1995        J J

Specific Exemption from 10CFR50, Appendix J Tvoe A Periodic Retest Schedule Raouirements for Unit II -; i I i EXHIBIT B l i a!

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Appendix A, Technical Specification Page '! Marked Up Page { 5 1 TS.4.4 2  ; r I I I i i t i i 1

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                                                                                        ~ TS.4.4                            a 1"? 107 ?/29/93                    l l

Initial and periodic type B (except airlocks). and type C tests 'of.

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penetrations shall be performed at a pressure of 46 psig (P.) . in . accordance with the provisions of Appendix J, Section LIII.B and 1 Section III.C. and Specification 4.4.A.S. The:airlocks shall be '! tested initially and at six-month ' intervals at 46 'psig. by 1 pressurizing the inner volume. In - addition, when CONTAlm0!2fT l INTEGRITY is required, each airlock shall be tested every 3 days if - :l it is in use'by pressurizing the-intergasket space.to 10 psig. ~!

3. Type A tests will be considered to be satisfactory if the acceptance -

criteria delineated in Appendix J, Section III.A are met. 4 Type B and C tests will be considered to be satisfactory if the  ; combined leakage rate of all components subjected to Type B and C .; tests does not exceed 60% of' the L and if the following conditions are met.

a. For pipes connected to systems that are , in the auxiliary

                                      . building special ventilation zone, the total leakage past isolation valves shall be less than 0.1 weight percent per 24-                          j hours at pressure P..                                                                    1 1

b. ' For pipes connected to systems that are exterior' to both the f shield building and the auxiliary building special ventilation .j zone, the total leakage past isolation valves shall be'less~  :

than 0.01 weight percent per 24 hours at pressure P..  ;

c. For. airlocks, the leakage shall be less than 14 of the L. at i 10 psig for door intergasket tests and 5% of the L, at 46 psig l for overall airlock tests.

5. The retest schedules for Type A, B, and C tests will- be in accordance with Section 'III.D of Appendix J

[x~($ M . Each shield building shall be ratested in accordance - l with the Type A - test schedule for its containment. The auxiliary  ; building special ventilation zone shall be ratested.in accordance with the Type A test schedule for Unit 1, containment.

6. Type A, .B and C tests will be in accordance . with Section .V of f Appendix J. Inspection and reporting' requirements of each shield ,

building test shall be the same for Type A tests. The auxiliary ' building special ventilation zone shall have the same inspection and reporting requirements as for the Type A tests of Unit.1. I i

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p 'l  ! I' LICENSE AMENDNENT REQUESTS DATED February:23, 1995 i i Specific Exemption from 10CFR50, Appendix J ...l

                           .Tvoe A Periodic Retest Schedule Reauirements for Unit II                     l l

EXHIBIT C . i. I Appendix A, Technical Specification Page i Revised Page l L i i r TS.4.4-2 9 f I

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T a; uk'h.f'*:' t i TS.4.4-2 '{

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2. Initial and periodic type B (except 'airlocks) 'and type 'C tests .of l penetrations shall be performed at a pressure of 46- psig (P.) in -{

accordance with the' provisions of Appendix J, Section III.B and ll Section III.C. and Specification 4.4.A.5. The airlocks shall be i tested initially and at six-month intervals at 46 psig - by . .! pressurizing the inner volume. In addition, when - CONTAINMENT I INTEGRITY is required, each airlock shall be tested every 3 days if it is in use by pressurizing the intergasket space to 10 psig. :i {

3. Type A tests will be considered to be satisfactory if the acceptance {

criteria delineated in Appendix J, Section III.A are met. j i

4. Type B and C tests will be considered to be satisfactory if the combined leakage rate of all components subjected to Type B and C .]

tests does not exceed 60% of the L, and if the following conditions l are met. i t

a. For pipes connected to systems that are . in the ' auxiliary I building special ventilation zone, the total leakage past isolation valves shall be less than 0.1 weight percent per 24 hours at pressure P..

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b. For pipes connected to systems that are exterior to both the .j shield building and the auxiliary building special ventilation ,

zone, the total leakage past. isolation valves shall be less 'i than 0.01 weight percent per 24 hours at pressure P . 'I

c. For airlocks, the leakage shall be less than it of the L, at 10 psig for door intergasket tests and Se of the L. at 46 psig ,

for overall airlock tests. j f S. The retest schedules for Type A, B, and C tests will be in .! accordance with Section III.D of Appendix J and . all approved j exemptions. Each shield building shall be ratested in accordance  ! with the Type ' A test schedule for its containment. The auxiliary _l building special ventilation zone shall be ratested in accordance j with the Type A test schedu'ie for Unit 1 containment.  ! t

6. Type A, B and C tests will be in accordance with Section V of f Appendix J, Inspection and reporting requirements of each shield {

building test shall be the same for Type A tests. The auxiliary i building special ventilation zone shall have the same inspection and 1 reporting requirements as for the Type A tests of Unit 1. { l I J i

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