ML18024B183

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Revised Pages 230 & 235 to Tech Specs Re Containment Integrated Leak Rate Test
ML18024B183
Person / Time
Site: Browns Ferry  Tennessee Valley Authority icon.png
Issue date: 12/17/1979
From:
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML18024B184 List:
References
NUDOCS 7912270256
Download: ML18024B183 (6)


Text

ENCLOSURE 1 PROPOSED TECHNICAL SPECIFICATION REVISIONS

I.IMITINC CnNnl rlnNS I'.nR npF.RATInN SIIRVRII.I.ANCC RE U IRl'IFNTS

). 7.A Primary Contnlnmcnt 4.7.A ~Primer Cnntnln en'5 L shall nol. exceed t

P for values of P

p L

tm

> 0.7.

L pm c, 1, Test duration sha]1 be at least 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

2 ~ Clos<<rc of containmc1t t isolation valves for the purpose of the test shall be accomplished by the means provided for normal operation of tho valves uithout preliminary exercises or ad)ustment.

3, Test accuracy shall be verified by supplcnien-tary means, such as measuring the quantity of air required o return to the startine point or by imposing a known leak ra t e to d emon-stratc thc validity of measurements,

d. The allowable operational =

leakage rat,e uhich shal1 bc met prior to resumption of power shall not be greater than 75 percent of L the test prcssure is P or not greater than 75 pe[cent of L if the test pressure is P

e. The ILRT's aha'.1 bc ocrfovneo at the folloving minimum frequency:

230

0 UNIT 3 LIMITING CONDITIONS POR OPERATION SURVEILLANCE REQUIREMENTS K?NXSXEHNX QXKX52 . 0 7 CO NMENT SYSTEMS La for values of L~

5 0 7.

Lt shall not exceed

~5 La P t for values of Pp

0. 7.

Lpn ce Test duration shall be at least 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

20 Closure of containment isolation valves for the purpose of the test shall be accomplished by the means provided for normal operation of the valves without preliminary exercises or ad justment.

3. Test accuracy shall be 235

ENCLOSURE 2 JUSTIFICATION FOR PROPOSED REVISIONS

0 l ~

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