ML19320A864

Proposed Revised Tech Spec 4.5.2.g,adding Requirements That ECCS Subsystems Be Demonstrated Operable by Verifying That Manual Valves Are Locked & Tagged in Proper Position Following Maint

ML19320A864
Person / Time
Site:	North Anna
Issue date:	07/03/1980
From:	VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML19320A863	List: ML19320A862 ML19320A864
References
NUDOCS 8007080072
Download: ML19320A864 (2)

Text

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l EMERGEtlCY CORE COOLING SYSTEMS l l

l SURVEILLNICE REQUIREMEtITS (Continued)

2. Verifying that each of the following pumps start auto- I matically upon receipt of a safety injection test signal: j a) Centrifugal charging pump, and b) Low head safety injection pump.

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f. By verifying that each of the folicwing pumps develop the .

indicated discharge pressure (after subtracting suction pres-sure) on recirculation flow when tested pursuant to Specifica-tion 4.0.5.

1. Centrifugal charging pump >_ 2410 psig.

2. Lcw head safety injection pump > 156 psig _

.g . At leas t once-per lhonths , during- reactor- shutdown,-ver-i-f-y-that ttc fci i cw t ag-mneel-ve4-ves-requ+t4n<y-eddes-tiren t-- to pre icn t- peep

-"-runout" and--subsequent--.cor.+onent-<fa; rage a r e l ocWed--ta<jged.

-in-the-firoper-po t i : i e n -- for- -44fectJon4-

.l . 1 SI 133 Leop > Cc!d Leg .

2. 1 SI-191 L2cp-a-co44-L49 SEE

3. 1-::-19 '.:eep c cow-t-e9 ATTAc.HED

4. 1 -5I--30 ' ' osp-A-Het-L-eg- pgg

. 1-::-201 Lcap-B-Hot-L-eg-

-c .  ;-::405 Lcap-C-Het4 eg -

NORTH ANNA-UNIT 1 3/4 5-5 ^ c r. S c n t nc L 80070gggy&

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g. By verifying that'the following manual valves requiring adjustment-to prevent pump." runout" and subsequent component damage are locked and tagged in the proper position for injection:

1. Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> following completion of any repositioning or maintenance on the valve when the ECCS subsystems are required to be OPERABLE.

2. At least'once per 18 months.

1. 1-SI-188 Loop A Cold Leg <

Loop B Cold Leg

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i 2. '1-SI-191~

3. 'l-SI-193 Loop C Cold Leg

4. 1-SI-203 Loop'A llot' Leg ,

5. 1-SI-204 ~ Loop'B Hot Leg

6. 1-SI-205 Loop C Hot Leg

h. By-performing a' flow balance test, during shutdown, following completion of modifications to the'ECCS subsystems that alter the subsystem flow

' characteristics and verifying that:

1. For high head safety injection lines, with a single pump running:

. a) The sum of the injection line flow rates, excluding the highese flow rate, is > 384 gpm, and b) ine totai p umi, flow rate-is < 650 gpm.

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