ML19343C438

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Proposed Changes to Tech Spec 3.7.1.2 to Ensure Redundancy of Auxiliary Feedwater Flow During Normal & Accident Conditions
ML19343C438
Person / Time
Site: Beaver Valley
Issue date: 03/20/1981
From:
DUQUESNE LIGHT CO.
To:
Shared Package
ML19343C437 List:
References
NUDOCS 8103240200
Download: ML19343C438 (2)


Text

t PLANT SYSTEMS AUXILIARY FEEDWATER SYSTEM LIMITING CONDITION FOR OPERATION 3.7.1.2 At least three steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with:

a.

Two feedwater pumps, each capable of being powered from separate emergency busses, and b.

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

APPLICABILITY: MODES 1, 2 and 3.

ACTION:

a.

With one auxiliary feedwater pump inoperable, restore at least three auxiliary feedwater pumps (two capable of being powered from separate emergency busses and one capable of being powered by an OPERABLE steam 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 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

b.

With the motor driven auxiliary feedwater pump supplying the redundant header inoperable, realign the two remaining auxiliary feedwater pumps to separate headers within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

SURVEILLANCE REQUIREMENTS 4.7.1.2 Each auxiliary feedwater pump shall be demonstrated OPERABLE:

a.

At least once per 31 days by:

1.

Starting each pump from the control room.

2.

Verifying that:

a.

Each motor driven pump develops a discharge pressure of > 1155 psig on recirculation flow, and b.

The steam turbine driven pump develops a discharge pressure of > 1155 psig on recirculation flow when the secondary steam pressure is greater than 600 psig.

BEAVER VALLEY - UNIT.1 3/4 7-5 PROPOSED WORDING

-8103.2.408001.

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"(CORPORATE; SEAL)

- Attest: -

hmd/MD Thomas-Welfer,[Jr.

Secretary

. COMMONWEALTH OF PENNSYLVANIA)

) SS:

COUNT't OF ALLEGHENY

)

On this-26 day of W

1981, before me, HENRY ' G. -ST0ECKER

, a Notary P'ublic~in and for'said Commonwealth and' County, personally appeared C. N. Dunn, who being duly sworn, deposed, and said that '(1) ~ he is Vice President of Duquesne Light, (2) he'is duly authorized to execute and file the foregoing Submittal on behalf of said Company, and (3) the statements set forth in the Submittnl are true and

- correct ~ to the best of his knowledge, ' information and belief.

r Tf C. SiOECKER. M.tary PuNe Pdtsbure, A:arecy Cecry. P2.-

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