ML20217K569

Proposed Tech Specs Page Adding Footnote Declaring One Containment Isolation valve,30-CK-432,operate for Limited Period Despite Not Being within IST Interval for Reverse Flow Testing

ML20217K569
Person / Time
Site:	Pilgrim
Issue date:	10/24/1997
From:	BOSTON EDISON CO.
To:
Shared Package
ML20217K562	List: BECO-LTR-97-107, Application for Emergency Amend to License DPR-35,changing TS 3.7.A.5 as Pertains to Periodic Surveillance Testing of Check Valve 30-CK-432.Exemption from LCO Footnote Provides Would Expire When Testing Is Performed ML20217K569
References
NUDOCS 9710280317
Download: ML20217K569 (2)

Text

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0.7 ' CONTAINMENT SYSTEMS (Cont) 4.7 CONTAINMENT SYSTEMS (Cont)

A. Primary Containment (Cont) A. Primary Containment (Cont)

5. All containment isolation check 4. Combined main steam lines: 46 valves are operable or at least scfh @ 23 psig, one containment isolation valve in each line having an where = 45 psig P.

inoperable valve is secured in I, = 1.0% by weight of the contained the isolated position.** air @ 45 psig for 24 hrs.

Primary Containment Isolation Valves a a n en is la n alves

2. b. 1. The prima.y containment

2. b. In the event any automatic ' '" " * " ,""" "

Primary Containment Isolation shall be performed as follows:

Valve becomes inoperable, at least one containment isolation a. At least once per operating valve in each line having an cycle the operable primary inoperable valve shall be containment isolation valves deactivated in the isolated that are power operated and condition. (This requirement may automatically initiated shall be satisfied by deactivating the be tested for simulated inoperable valve in the isolated automatic initiation and condition. Deactivation means to closure times, electrically or pneumatically b. Test primary containment disarm, or otherwise secure the isolation valves:

valve.)*

1. Verify power operated primary containment isolation valve operability as specified in 3.13,

2. Verify main steam

• Isolation valves closed to satisfy these requirements isolation valve operability may be reopened on an intermittent basis under ORC as specified in 3.13.

approved administrative controls.

• • Check valve 30-CK-432 will be considered operable until reverse flow testing is performed no later than the 1998 maintenance outage.

Amendment No. 113,136,149,1607 467 3/4.7-5 9710280317 971044 PDR ADOCK 050G 293 P PDR i

LIMITING CONDITIONS FOR OPEPUTION 3.uBy.g11.1&K.EEMulBLY.ELT.S.

3.7 CONTAINV94 ( SYSTEMS (Cont) 4.7 CONTAINMENT SYSTEMS (Cont)

A. Primary Containment (Cont) A. Primary Containment (Cont)

5. All containment isolation 4. Combined main steam check valves are lines: 46 scfh @ 23 operable or at least one psig.

containment isolation valve in each line having where Pa = 45 psig l an inoperable valve is La = 1.0% by weight secured in the isolated of g position. -W* the contained air

@ 45 psig for 24 hrs.  ;

Primarv Containment Isolation Valves Primary Containment Isolation Valves

2. b. In the event any automatic 2.b.1 The primary containment Primary Containment isolation valves isolation Valve becomes surveillance shall be inoperable, at least one performed as follows:

containment isolation valve in each line having an a. At least once per inoperable valve shall be operating cycle the deactivated in the isolated operable primary condition. (This requirement containment isolation may be satisfied by valves that are power deactivating the inoperable operated and valve in the isolated automatically initiated condition. Deactivation shall be tested for means to electrically or simulated automatic pneumatically disarm, or initiation and closure otherwise secure the valve.)* times.

b. Test primary containment isolation valves:

1. Verify power operated primary containment isolation valve operability as -

specified in 3.13.

isolation valves closed to satisfy these requirements may be reopened on an - 2. Verify main steam intermittent basis under ORC approved isolation valve administrative controls, operability as 4y Q Q A ~ gc h lo- n -93D d V:g_. etws.vlerb oprtMt ud\

M at% k ktwu k e bhrv) n p Mtrm no 6Ae \L E mg m m n 6.= o h. .

I wvii-s,: 1$$~

Amenoment No. 443,136,149,1eo,ff/ 3/4.7 5

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