ML19256G483

Revised Pages 3/4 7-5 & 7-6 for Proposed Change 26 to Tech Specs Re Auxiliary Feedwater Sys Requirements.Change Will Assure Flow Path Verification During Startup

ML19256G483
Person / Time
Site:	North Anna
Issue date:	12/28/1979
From:	VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML19256G482	List: ML19256G481 ML19256G483
References
NUDOCS 7912310374
Download: ML19256G483 (2)

Text

PLAtiT SYSTEMS .

AUXILIARY FEE 0 WATER SYSTEM LIMITI?iG C0tiOITI0t1 FOR OPERATIO1 3.7.1.2 At least three independent stean: generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with:

a. Two r stor driven feedwater pumps.

b. One feedwater pump capable of being powered frcm an OPERABLE steam supply system.

APPLICABILITY: MODES 1, 2 end 3.

ACTI0ti:

With one auxiliary feedwater pump inoperable, restore at least three auxiliary feedwater pumps (two capable of being powered frcm separate emergency busses and one capable of being powered by an OPERABLE ster supply system) to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in HOT SHUTCOWl1 within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. 3p.1 mg,. a , ,; ,. mt

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2 .u% ne, ds tA: 4 - ;y g _, , . . ... , < . ,., 3 j i ,y SURVEILLAtlCE REOUIREMEtlTS 4.7 .1. 2 In ddition to the requirements of Specification 4.0.5, each auxiliary fcedwater pump shall be demonstrated OPERABLE:

a. At least once per 31 days by:

1. Verifying that the steam turbine driven pump develops a discharge pressure of > 1380 psig at a flow of > 35 gpa ,

on recirculation flow. Glen-the-secondary-stearsupply- -

pns s ure-ir g rea t e r-th a n-835--p s-is 2.

Verifying)that automatic each valve (manual, power operated orin the flo or othenvise secured in position, is in its correct position, and 1656 110 tiORTH AtitlA - UtlIT 1 3/4 7-5 7912310 gq

PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

b. At least once per 18 months during shutdcwn by:

1. Verifying that each automatic valve in the flow path actuates to its correct position on a safety injection test signal.

2. Verifying that each auxiliary feedwater pump starts auto-matically upon receipt of each of the following:

a. Safety injection

b. Loss of offsite power

c. Low-low level in any one steam gener :or

d. Trip of all main feed pumps.

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?DDR ORGlNAL NORTH ANNA - UNIT 1 3/4 7-6 1656 111