ML20069N859

Proposed TS Page 3/4 6-14,reflecting 24 Month Changes

ML20069N859
Person / Time
Site:	Limerick
Issue date:	06/15/1994
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20069N851	List: ML20069N847 ML20069N859
References
NUDOCS 9406230236
Download: ML20069N859 (3)

Text

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CONTAINMENT SYSTEMS SURVEILLANCE RE0VIREMENTS (Continued)

c. By verifying at least 8 suppression pool water temperature indicators in at least 8 locations, OPERABLE by performance of a: .

1. CHANNEL CHECK at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. ]

2. CHANNEL FUNCTIONAL TEST at least once per 31 days, and

3. CHANNEL CALIBRATION at least once per 24 months, l~ 1 eith the temperature alarm setpoint for:  ;

1. High water temperature:

a) First setpoint s 95'F i b) Second setpoint s 105 F c) Third setpoint s 110*F d) Fourth setpoint s 120 F

d. By verifying at least two sup OPERABLE by performance of a:pression chamber water level indicators  ;

1. CHANNEL CHt c at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />,  ;

2. CHANNEL FUNCTIONAL TEST at least once per 92 days, and ,

3. CHANNEL CALIBRATION at least once per 24* months, l-

, 4 with the water level alarm setpoint for high water level s 24'l-1/2"

e. Drywell-to-suppression chamber bypass leak tests shall be conducted at 40 +/- 10 month intervals to coincide with the ILRT at an initial differential pressure of 4 psi and verifying that the A/(k calculated from the measured leakage is within the specified limit. If any drywell-to-suppression the test chamber schedule for bypass leak test subsequent fails tests shall to meet the specified be reviewed limit,d by the and approve Commission. If two consecutive tests fail to meet the specified limit, a test shall be performed at least every 24 months until two consecutive tests meet the specified limit, at which time the test schedule may be resumed. ,

f. By conducting a leakage test on the drywell-to-suppression chamber vactum breakers at a differential pressure of at least 4.0 psi and verifying that '

the total leakage area A//k contributed by all vacuum breakers is less than or equal to 24% of the specified limit and the leakage area for an individual set of vacuum breakers is less than or equal to 12% of the specified limit. The vacuum breaker leakage test shall be conducted during each refueling outage for which the drywell-to-suppression chamber bypass leak test in Specification 4.6.2.1.d is not conducted.

o The CHANNEL CALIBRATION for level transmitters ' LT-55-IN0628, -lN062F shall be performed at least once per 18 months.  ;

LIMERICK - UNIT 1 3/4 6-14  !

9406230236 940615 PDR ADOCK 05000352 P PDR C

CONTAINMENT SYSTEMS l SURVEILLANCE RE0VIREMENTS (Continued) c, By verifying at least 8 suppre.sion c pool water temperature indicators in at least 8 locations, OPERABLE by performance of a: .

1. CHANNEL CHECK at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

2. CHANNEL FUNCTIONAL TEST at least once per 31 days, and

3. CHANNEL CALIBRATION at least once per 24 months, j-with the temperature alarm setpoint for:

1. High water temperature:

a) First setpoin $ 95*F b) Second setpoint s 105'F c) Third setpoint s 110*F d) Fourth setpoint s 120*F

d. By verifying at least two suppression chamber water level indicators OPERABLE by performance of a: ,

1. CHANNEL CHECK at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />,

2. CHANNEL FUNCTIONAL TEST at least once per 92 days, and ,

3. CHANNEL CALIBRATION at least once per 24* months, l with the water level alarm setpoint for high water level s 24'l-1/2"

e. Drywell-to-suppression chamber bypass leak tests shall be conducted at 40 +/- 10 month intervals to coincide with the ILRT at an initial differential pressure of 4 psi and verifying that the A//k calculated from the measured leakage is within the specified limit. If any drywell-to-suppression ,

chamber bypass leak test fails to meet the specified limit, the test schedule for subsequent tests shall be reviewed and approved by the Commission. If two consecutive tests fail to meet the specified limit, a test shall be performed at least every 24 months until two consecutive tests meet the specified limit, at which time the test. schedule may be resumed.

f. By conducting a leakage test on the drywell-to-suppression chamber vacuum breakers at a differential pressure of at least 4.0 psi and verifying that the total leakage area A//k contributed by all vacuum breakers is less than or equal to 24% of the specified limit and the leakage.

area for an individual set of vacuum breakers is less than or equal to 12% of the specified limit. The vacuum breaker leakage test shall be conducted during each refueling outage for which the drywell-to-suppression chamber bypass leak test in Specification 4.6.2.1.d is not conducted.

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. c The CHANtIEL CALIBRATION for level transmitters LT-55-2N062B, -2N062F shall be performed at least once per 18 months.

LIMERICK - UNIT 2 3/4 6-14 l

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ATTACHMENT 1 LIMERICK GENERATING STATION UNITS 1 AND 2 DOCKET NO.

50-352 50-353 LICENSE NO.

NPF-39 NPF-b5 REVISED TECHNICAL SPECIFICATIONS PAGES SUPPORTING TECHNICAL SPECIFICATIONS CHANGE REQUEST NO.92-034 THE FOLLOWING PAGE IS CONTAINED WITHIN LGS Unit 1 LGS Unit 2 TS Pace TS Paae 3/4 6-14 3/4 6-14 )

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