ML20083B963

Revised TS Pages,Clearly Describing When Spray Pond Spray Network Piping Will Be Drained

ML20083B963
Person / Time
Site:	Limerick
Issue date:	05/05/1995
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20083B958	List: ML20083B955 ML20083B963
References
NUDOCS 9505150027
Download: ML20083B963 (2)

Text

.

c ,. P,LANT SYSTEMS  :

ULTIMATE HEAT SINK LIMITING CONDITION FOR OPERATION .

i 3.7.1.3 The spray pond shall be OPERABLE with:

a. A minimum pond water level at or above elevation 250' 10" Mean Sea level, and

b. ~ A pond water temperature of less than or equal to 88'F.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, 5, and *.

ACTION:

With the requirements of the above specification not satisfied:

a. In OPERATIONAL CONDITION 1, 2, or 3, be in at least HOT SHUTDOWN within 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 next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b. In OPERATIONAL CONDITION 4 or 5, declare the RHRSW system and the ,

emergency service water system inoperable and take the ACTION required by Specifications 3.7.1.1 and 3.7.1.2.

c. In OPERATIONAL CONDITION *, declare the emergency service water ~

system inoperable and take the ACTION required by Specification 3.7.1.2. The provisions of Specification 3.0.3 are not applicable. i SURVEILLANCE REQUIREMENTS 4.7.1.3 The spray pond shall be determined OPERABLE:

a. By verifying the pond water level to be greater than its limit  ;

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

b. By verifying the water surface temperature (within the upper two feet of the surface) to be less than or equal to 88'F:

1. at least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> when the spray pond temperature is .

greater than or equal to 80*F; and

2. at least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> when the spray pond temperature is greater than or equal to 85'F; and

3. at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the spray pond temperature is greater than 32*F.

c. By verifying all piping above the frost line is drained:

1. within one (1) hour after being used when ambient air temperature is below 40*F; or

2. when ambient air temperature falls below 40*F if the piping has not been previously drained.

9505150027 950505 PDR ADOCK 05000352 P PDR

• Whenhandlingirradiat$dfuelinthesecondarycontainment.

LIMERICK - UNIT 1 3/4 7-5

CPLAllT SYSTEMS <

i

~ ULTIMATE HEAT SINK i LIMITING CONDITION FOR OPERATION

-3.7.1.3 The spray pond shall be OPERABLE with:

a. A minimum pond water level at or above elevation 250'-10" Mean Sea Level, and

b. A pond water temperature of less than or equal to 88'F. l l APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, 5, and *.

ACTION:

With the requirements of the above specification not satisfied:

a. In OPERATIONAL CONDITION 1, 2, or 3, be in at least HOT SHUTDOWN within 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 next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />,

b. In OPERATIONAL CONDITION 4 or 5, declare the RHRSW system and the emergency service water system inoperable and take the ACTION required by Specifications 3.7.1.1 and 3.7.1.2.

c. In OPERATIONAL CONDITION *, declare the emergency service water system inoperable and take the ACTION required by Specificaticn 3.7.1.2.

The provisions of Specification 3.0.3 are not applicable.

SURVEILLANCE REQUIREMENTS 4.7.1.3 The spray pond shall be de?. ermined OPERABLE:

a. By verifying the cond water level to be greater than its limit at least once pe" 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />,

b. By verifying the water surface temperature (within the upper two feet of the surface) to be less than or equal to 88'F:

1. at least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> when the spray pond temperature is greater than or equal to 80'F; and

2. at least once per 2 hcurs when the spray pond temperature is greater than or equal to 85'F; and

3. at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the spray pond temperature is greater than 32*F.

c. By verifying all piping above the frost line is drained:

1. within one (1) hour after being used when ambient air temperature is below 40*F; or

2. when ambient air temperature falls below 40*F if piping has not been previously drained.

• When handling irradiated fuel in the secondary containment.

LIMERICK - UNIT 2 3/4 7-5

- _ _ _ - - _ _ _ - - - _ _ _ _ _ - _ - _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _