ML20087C614

Proposed TS 3.6.1.2,clarifying Action Statement

ML20087C614
Person / Time
Site:	South Texas
Issue date:	08/03/1995
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20087C610	List: ML20087C614 ST-HL-AE-5135, Application for Amends to Licenses NPF-76 & NPF-80,changing TS 3.6.1.2 for Clarification of Action Station as Submitted in 950525 Request for Exemption to 10CFR50 App J & Proposed Change to TS 3.6.1.1,3.6.1.2 & 3.6.1.3
References
NUDOCS 9508090272
Download: ML20087C614 (2)

Text

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CONTAINMENT SYSTEMS CONTAINMENT LEAKAGE LIMITING CONDITION FOR OPERATION 3.6.1.2 Containment leakane rates shall be limited to:

a.

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

t 0.300 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.11.2 p ig.

[

b.

A combined leakage rate of less than 0.60 La for all and valves subject to Type B and C tests, when pressurized to Pa. penetrations APPLICABILITY: MODES 1. 2. 3. and 4.

t ACTION:

With either the measured overall integrated containment leakage rate exceeding 0.75 La or the measured combined leakage rate for all penetrations and valves subject to Types B and C tests exceeding 0.60 La, restore the overall integrated leakage rate to less than 0.75 La and the combined leakage rate for all penetrations subject to Type B and C tests to less than 0.60 La prior to ordb671nlatsleastiH0TESTANDBY ikhifiRtiej#perature above 200*F. lilithinMh

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incre: Sing the Reactor Ccclant S" stem tem

. i n i.the?fo,l lowi ng.130_? hours @?

ktlRhbDfslaridifB0LO$HUTDOWN" With

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SURVEll. LANCE REOUIREMENTS s

4.6.1.2 The containment leakage cate shall be determined in accordance with the test schedule criteria. -'ethod: and provision: Spectficd or endcr:cd in

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i_n t' C D,,, CA.

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2.

Type A testc (Overall Integrated Containment Leakage Rate) chall l

be conducted during shutdown at interv

Specified by.^ppendix J cf 10 CFR l

50 or as permitted by Muclear Regulatory Cc=ission approved exemptions. at a pre:Sure not les; than P,.11.2 poig; i

i SOUTH TEXAS - UNITS 1 & 2 3/4 6-2 Unit 1 - Amendment No.24-61.75 i

Unit 2 - Amendment No.M40.64 t

9508090272 950803 PDR ADCCK 05000498 P

PDR 1

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CONTAINMENT SYSTEMS CONTAINMENT LEAXAGE 1

LIMITING CONDITION FOR OPERATION 3.6.1.2 Containment leakage rates shall be limited to:

An overall integrated leakage rate of less than or equal to L'2-a.

0.30% 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 P,,-41

1. 1b b.

A combined leakage rate of less than 0.60 L for all penetrations 1

and valves subject to Type B and C tests, w$en pressurized to P,.

l l

APPLICABILITY: MODES 1, 2, 3, and 4.

i ACTION:

With either the measured overall integrated containment leakage rate exceeding 0.75 L or the measured combined leakage rate for all penetrations and valves subjecI to Types B and C tests exceeding 0.60 L, restore the overall integrated leakage rate to less than 0.75 L, and the combined leakage rate for all penetrations subject to Type B and C tests to less than 0.60 L, prier to.

w;h:a i hos

-inercasing the4e::ter C001:nt Sy: tem t:mp;r ture d, eve 200T[to-a or b. in n + 1 ch hot 5 mMG M sNM yA not 4 ad io Cola stbro cua WW n ib 4bl W ing lo Kom.

SURVEllLANCE REOUIREMENTS 4.6.1.2 The-eentain ent-leak:ge r+te: :h:11 be dete-ined in confom:n:: with the-test-schedview4teria,- methods-and-prov4sions-specif4ed-or-ender-sed in ndh-d-ef-10-Ef a r4-5H-Pe < A < ~

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y enen H=ns-

,ype-A-tes-te-(Our.yf..e" Integrated-C, nt+inment-Leakage 4 ate) : hall be-

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o e.

c o n d u c t ed-during-s hutdown-a t-intervais-as-spee4-fled-by-Appendh,1-ef-10 Cr" Part 50 er :s-permitted-by-Huclear Regulatery Commissica approved-exempt-ionsr t-a-pressure-not-less-than P,, 4172 psigr a

SOUTH TEXAS - UNITS 1 & 2 3/4 6-2 Unit.1 - Amendment No. 26r61,75 Unit 2 - Amendment No. 16 60,64 7

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