ML20078N247

Proposed Tech Specs Page 3/4 6-2 Re MSIV Leakage Control Sys

ML20078N247
Person / Time
Site:	Limerick
Issue date:	02/07/1995
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20078N245	List: ML20078N241 ML20078N247
References
NUDOCS 9502150222
Download: ML20078N247 (3)

Text

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~ ATTACHMENT 1  ;

UMERICK GENERATING STATION UNIT 1 AND UNIT 2  ;

l DOCKET Nos.

50-352 i 50453 UCENSE Nos.  ;

NPF-39  :

NPF-85 i TECHNICAL SPECIFICATIONS CHANGE REQUEST NO.93-184 i AFFECTED PAGES

. Unit 1 Unit 2 l I

3/4 C-7 3/46-2 i

h 6

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9502150222 950207 PDR ADOCK 05000352 P PDR

CONTAINMENT SYSTEMS PRIMARY CONTAINMENT LEAKAGE LIMITING ~ CONDITION FOR OPERATION 3.6.1.2 Primary containment leakage rates shall be limited to:

a. An overall integrated leakage rate of less than or equal to La, 0.500 percent by weight of the containment air per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> at Pa, 44.0 psig.

b. A combined leakage rate of less than or equal to 0.60 La for all penetrations and all valves listed in Table 3.6.3-1, except for main steam line isolation valves

• and valves which are hydrostatically te.ited per Table 3.6.3-1, subject to Type B and C tests when pressurized to Pa, 44.0 psig.

c. *Less than or equal to 100 scf per hour through any one main steam isolation valve not to exceed 200 scf per hour for all four main steam linen, when tested at Pt , 22.0 psig.

d. A conbined leakage rate of less than or equal to I gpm times the tota'. number of containment isolation valves in hydrostatically tested lines which penetrate the primary containment, when tested at 1.10 Pa, 48.4 psig.

APPLICABILITY: When PRIMARY CONTAINMENT INTEGRITY is required per Specification 3.6.1.1. l AC119h: l With:

a. The measured overall integrated primary containment leakage rate I exceeding 0.75 La, or

b. The measured combined leakage rate for all penetrations and all valves listed in Table 3.6.3-1, except for main steam line isolation valves

• and valves which are hydrostatically tested per Table 3.6.3-1, subject to Type B and C tests exceeding 0.60 La, or

c. The measured leakage rate exceeding 100 scf per hour through any one main steaci isolation valve, or exceeding 200 scf per hour for all four main steam lines, or

d. The measured combined leakage rate for all containment isolation i valves in hydrostatically tested lines which penetrate the primary containment exceeding 1 gpm times the total number of such valves, restore:

i a. The overall integrated leakage rate (s) to less than or equal to ,

l 0.75La, and l

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• Exemption to Appendix J of 10 CFR Part 50.

LIMERICK - UNIT 1 3/4 6-2

-___ _- i

t CONTAINMENT SYSTEMS PRIMARY CONTAINMENT LEAKAGE  ;

LIMITING CONDITION FOR OPERATION 3.6.1.2 Primary containment leakage rate: shall be limited to:  ;

a. An overall integrated leakage rate of less than or equal to .

La, 0.500 percent by weight of the containment air per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> at  !

Pa, 44.0 psig.

b. A combined leakage rate of less than or equal to 0.60 La for all penetrations and all valves listed in Table 3.6.3-1, except for main '

steam line isolation valves

• and valves which are hydrostatically  ;

tested per Table 3.6.3-1, subject to Type B and C tests when 'l pressurized to Pa, 44.0 psig. '

c. *Less than or equal to 100 scf per hour through any one main steam isolation valve not to exceed 200 scf per hour for all four main ste.m ,

lines, when tested at Pt , 22.0 psig,

d. A combined leakage rate of less than or equal to 1 gpm times the total number of containment isolation valves in hydrostatically tested lines which penetrate the primary containment, when tested at 1.10 Pa, 48.4 psig.

APPLICABILITY: When PRIMARY CONTAINMENT INTEGRITY is required per Specification 3.6.1.1.

ACTION:

With:

a. The measured overall integrated primary containment leakage rate exceeding 0.75 La, or

b. The measured combined leakage rate for all penetrations.and all valves listed in Table 3.6.3-1, except for main steam line isolation valves

• and valves which are hydrostatically tested per Table 3.6.3-1, subject to Type B and C tests exceeding 0.60 La, or

c. The measured leakage rate exceeding 100 scf per hour through any one main steam isolation valve, or exceeding 200 scf per hour for all four main steam lines, or

d. The measured combined leakage rate for all containment isolation valves in hydrostatically tested lines which penetrate the primary containment exceeding I gpm times the total number of such valves, restore:

a. The overall integrated leakage rate (s) to less than or equal to 0.75La, and

• Exemption to Appendix J of 10 CFR Part 50.

LIMERICK - UNIT 2 3/4 6-2

.