ML20069F450

Proposed TS Page 220,reflecting Changes Approved by Amends 187 & 192,respectively

ML20069F450
Person / Time
Site:	Peach Bottom
Issue date:	06/02/1994
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20069F383	List: ML20069F379 ML20069F450
References
NUDOCS 9406080294
Download: ML20069F450 (3)

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ATTACHMENT 1 PEACH BOTTOM ATOMIC POWER STATION UNITS 2 AND 3 Docket Nos. 50-277 '

50-278 Ucense Nos. DPR-44 DPR-56 TECHNICAL SPECIFICATION CHANGES List of Attached Pages Unit 2 Unit 3 220 220 1

9406080294 940602 PDR ADDCK 05000277 '

P PDR

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Unit 2

' - PBAPS LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS 3.9.B' (Continued) 3. When it is determined that one diesel generator is 3.a. With one diesel generator inoperable inoperable, verify the and the Conowingo line OPERABLE, OPERABILITY of the remair.ing restore the inoperable diesel generator A.C. tources by performing to an OPERABLE status within 30 days. Surve ince Requirement 4.9.A.1.1.a within I hour

b. When one diesel generator becomes and once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> inoperable while the Conowingo line is thereafter. Verify within 2 inoperable, either: hours that required systems, subsystems, trains,

1. restore the diesel generator to an components, and devices that OPERABLE status within 7 days, depend on the remaining diesel generators as a or source of emergency power are OPERABLE.

2. restore the Conowingo line to an OPERABLE status within 7 days, and If the diesel generator restore the diesel generator to an became inoperable for any OPERABLE status within 30 days. reason other than preplanned preventative maintenance, or

c. When the Conowingo line becomes testing, either determine inoperable while one diesel generator is within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> that inoperable, then: remaining operable diesel generators are not inoperable

1. restore the diesel generator or the due to common cause failure Conowingo line to an OPERABLE status or demonstrate the within the next 7 days, OPERABILITY of the remaining operable diesel generators and by performing Surveillance Requirement 4.9.A.I.2.a.3 for

2. restore the diesel generator to an one diesel at a time, within operable status within 30 days from 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />

• and at least once the time that the diesel generator per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> thereafter.

became inoperable.

d. If the requirements of 3a, 3b, or 3c, above cannot be met then be in at least 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 /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

oThis test is required to be completed regardless of when the inoperable diesel generator is restored to OPERABILITY for failures that are potentially generic to the remaining diesel generators and for which appropriate alternative testing cannot be designed.

-220-

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• .1 Unit 3 PBAPS LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS 3.9.B* (Continued) When it is determined that one diesel generator is

3. a. With one diesel generator inoperable inoperable, verify the and the Conowingo line OPERABLE, OPERABILITY of the remaining restore the inoperable diesel generator A.C. sources by performing to an OPERABLE status within 30 days. Surveillance Requirement

b. When one diesel generator becomes 4.9.A.I.1.a within I hour and once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter.

inoperable while the Conowingo line is Verify within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that inoperable, either: required systems, subsystems, trains, components, and

1. restore the diesel generator to an devices that depend ont he OPERABLE status within 7 days, remaining diesel generators or as a source of emergency power are OPERABLE.

2. restore the Conowingo line to an If the diesel generator OPERABLE status within 7 days, and became inoperable for any restore the diesel generator to an reason other than preplanned OPERABLE status within 30 days. preventative maintenance, or testing, either determine

c. When the Conowingo line becomes within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> that inoperable while one diesel generator is remaining operable diesel inoperable, then: generators are not inoperable due to common cause failure

1. restore the diesel generator or the or demonstrate the Conowingo line to an OPERABLE status OPERABILITY of the remaining within the next 7 days, operable diesel generators by and performing Surveillance Requirement 4.9. A.I.2.a.3 for 2.

one diesel at a time, within restore the diesel generator to an 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />

• and at least once operable status within 30 days from per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> thereafter.

the time that the diesel generator became inoperable.

d. If the requirements of 3a, 3b, or 3c, above cannot be met then be in at least .

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 /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

• This test is required to be completed regardless of when the inoperable diesel generator is restored to OPERABILITY for failures that are potentially generic to the remaining diesel generators and for which appropriate alternative testing cannot be designed.

-220-

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