ML20081L570

Revised Tech Spec Surveillance Requirements 4.4.8.3.2 & 4.5.2 Re RHR Autoclosure Interlock Removal

ML20081L570
Person / Time
Site:	Comanche Peak
Issue date:	06/28/1991
From:	TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20081L568	List: ML20081L570 TXX-9115, Application for Amend to License NPF-87,consisting of License Amend Request 91-005,revising Surveillance Requirements 4.4.8.3.2 & 4.5.2 Re RHR Autoclosure Interlock Removal
References
NUDOCS 9107050169
Download: ML20081L570 (3)

Text

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Enclosure to TXX-91151 Page 25 of 27 CPSES UNIT 1 NRC DOCKET N0. 50-445 REVISION To ItCHNICAL SPECIFICATION SURVEILLANCE REQUIREMENTS 4.4.8.3.2 and 4.5.2 4.

PROPOSED TECHNICAL SPECIFICATION P

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.9107050169 910628 PDR ADOCK 05000445 P

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9 Enclosuro'to TXX-91151 Page 26 of 27-

EACicR ::: A ' i.;?!v-OVERPRESSURE DROTECTION SfSTEM

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.SURv!!LLANCE REQUIREMENTS

-4.4 3.3.1 En:n 00RV srall be demonstratec OPERABLE oy:

3.

eeformance of an ANAL.0G CHANNEL OPERATIONAL TEST on tre 00R.

~ actuation channel, out excluding-valve operation, witnin 31 cafs orier to entering a condition in wnien :ne PORv is reav re C ERAB>.E i

and at least once per 31 cays thereafter anen tne PORV is recuirec OPERABLE:

o; Performance of a CHANNEL CALIBRATION on the PORV actuation :nannei I

at least once per 18 montns; and c,-

verifying tne PORV isolation valve is open at least once'per 72 mes when the PORV is being used for overpressure protection, 4.4.3.3.2-Each RHR suction relief valve snall ce demonstrateo OPERABLE.nen the RWR su: tion relief salves are being used f or cold overpressure o*ctect'On -

as follows:

a.

For.-RHR suction relief. valve 87082 4.

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Ej ver"yi g-4t 10att o%e-ser-41-4ay-s-tAat 4C5 k:tien 30 atic.

3 t

0b. 6 (""i!!V) 97010 i;, pen : tr :r-e r te n.__ illa c;_erstor 2 c ie c, (R TR.Ge ne.v Iso l* t lo~y

[yverifying-atleastonceper nours tnat (R,RSIV)87028 g coen.

ForRnRsuctionreliefvalve870ah BW 8 W r

-,.c r i f i rg-at -1cas t-ence-pcr-31 dayt-twat MS IV 07022 ;; :::r 2.n -

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r :: th: v:1 ioperator r:::vec, Ord ?

[/ verifying:atleastonceper nour,sthatRRSIVIS70137kfocen.

2 c.

LTesting: pursuant to Specification 4.0.5.

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4.4.3.3.3; The RCS venGs) shall be verified to be open at least once per 12 neurs'. hen the vent (s) is being-used for overpressure protection, ll "Exceot.wnen tne-vent pathway is;provided with ) valve which is locked. sealec, p

or etnerwise secured in the open position, then verify tnese valves ocen at least once per 31 days.

COMANCHE TEAK - LNIT 1 3/4 4-30 L

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Enclosure to TXX-91151 Page 27 of %7 Eu!RGEN:t 003E ::0L:NG 3v5T!"5 SURVE LLANCE REOUIREMENTS

4. 5.- 2 Eacn ECCS suosystem shall be demonstrated CPERABLE:

At 'elst Orte per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the following valves are 3.

in the insicateo positions with power to the valve operators removeo.

Valve Number Valve Function Valve Position 8802 A & B SI Pumo to Hot Legs Closed 8808 A, B. C, O Accum. Discharge Open*

8809 A & B RHs to Cold legs Open 8835 St Pumo ta Cold Legs Open 8840 RHR to Hot Legs Closed 8806 Si Pump Suction from RWST Open 8812 51 Pump Mini-Flow Valve Open b.

At least once per 31 days by verifying that each valve (manual, power-operated, or automatic) in the flow path that is not locked, sealed, or otnerwise securea in position, is in its correct position.

c.

By a visual inspection which verifies that no loose debris (rans, trash. clothing, etc. ) is present in the containment whicn could be transported to the containment sump and cause restriction of the pump suctions during LOCA conditions.

This visual inspection shall oe performec:

1)

For all-accestible areas of the contai~ ent prior to estaD!isn-ing CONTAINMENT INTEGRITY, and 2)

C' the areas affected within containme"t at the completion of each containment entry when CONTAINMENT INTEGRITY is established..

d.

At least once per 18 months by:

1)

Verifying strt,omat4c isolatior and interlock action of the RHR systemfromtheReactorCoolantSystemtoensurethat%

M ulated or actual Reactor Coolant System pressure

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signal greater than or equal to 442 psig the interlocks prevent the valves from being opened @ llD';

b' W i tha--s4+Ac t ed-o~-ee t uab4eac t eH o o l ant-Sy+tewaenu*e tign01 lesi-than-cr cquebtc 750 p3ig tn2 i terl0cr.5 ill #

-eeus B-tAe--valve 5 -to-auteedt ic 0 l Iy c 10 3 t "--

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• Surveillance Recuirements covered in Specification 4.5.1.1.'

COMANCHE PEAK - UNIT 1 3/4 5-4 I

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