ML20087H928

Proposed Tech Specs Re Extension of Allowed Outage Time

ML20087H928
Person / Time
Site:	Calvert Cliffs
Issue date:	04/28/1995
From:	BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20087H918	List: ML20087H914 ML20087H928
References
NUDOCS 9505050121
Download: ML20087H928 (3)

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ATTACHMENT (1)  ;

UNIT 1 TECIINICAL SPECIFICATION MARKED-UP & FINAL PAGES i 3/4 7-16 l

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l 9505050121 950428 l PDR ADOCK 05000317 i p PDR j

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3/4.7 PUWIT SYSTEMS 3/4.7.6 CONTROL ROOM EMERGENCY VENTILATION SYSTEM i

LIMITING CONDITION FOR OPERATION 3.7.6.1 The Control Room Emergency Ventilation System shall be OPERABLE with:

a. Two filter trains,

b. Two air conditioning units,  !

c. Two isolation valves in each Control Room outside air intake duct,

d. Two isolation valves in the common exhaust to atmosphere duct.

and

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e. One isolation valve in the toilet area exhaust duct.

APPLICABILITY: MODES 1, 2, 3 and 4. ,

ACTION:  :

a. With one filter train inoperaple, restore the inoperable train to  ;

OPERABLE status within 7 days or be in at least NOT STANDBY d within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SNUTD0WN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

b. With one air conditioning unit inopergble, restore the inoperable ,

unit to 0PERABLE status within 7 days or be in at least NOT d -

STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SNUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

c. With one isolation valve per Control Room outside air i ike duct inoperable, operation may continue provided the other isolation valve in the same duct is maintained closed; otherwise, be in at >

least NOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SNUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

During the No. 21 emergency diesel generator upgrade in the 1995 Unit 2/

refueling outage, the time to restore No.12 filter train or air 5 conditioning unit to OPERABLE status may be extended to (for / .

loss of emergency power only) if the following is perfo (

1. A temporary diesel generator shall be demonstrated available by (

starting it at least once per 7 days. / i

2. If ACTION 1 is not met, restore compliance with the ACTION within I 7 days or be in at least NOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in s .

COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CALVERT CLIFFS - UNIT 1 3/4 7-16 AmendmentNo.297 j i

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M 3/4.7 PUWT SYSTDe$

3/4.7.6 CONTR01 ROOM EMERGENCY VENTILATION SYSTEM LIMITIM CONDITION FOR OPERATION 3.7.6.1 The Control Room Emergency Ventilation System shall be OPERABLE i with:

a. Two filter trains, ,

b. Two air conditioning units,

c. Two isolation valves in each Control Room outside air intake duct,

d. Two isolation valves in the conson exhaust to atmosphere duct, i and j

e. One isolation valve in the toilet area exhaust duct.

APPLICABILITY: MODES 1, 2, 3 and 4.

I ACTION:

a. With one filter train inoperaple, restore the inoperable train to ,

OPERABLE status within 7 days or be in at least NOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SMTDOW within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

b. With one air conditioning unit inopergble, restore the inoperable unit to OPERABLE status within 7 days or be in at least NOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SMTDOW within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

c. With one isolation valve per Control Room outside air intake duct inoperable, operation may continue provided the other isolatim:

valve in the same duct is maintained closed; otherwise, be in at least NOT STAND 8Y within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.  !

i During the No. 21 emergency diesel generator upgrade in the 1995 Unit 2 refueling outage, the time to restore No.12 filter train or air i conditioning unit to OPERABLE status may be extended to 45 days (for l loss of emergency power only) if the following is performed:

1. A temporary diesel generator shall be demonstrated available by starting it at least once per 7 days.

2. If ACTION 1 is not met, restore compliance with the ACTION within 7 days or be in at least NOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SMTDOW within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CALVERT CLIFFS - UNIT 1 3/4 7-16 Amendment No. 202

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