ML20098C074

Proposed TS 3.7.6.1,extending Action Statements a & B from 7 Days to 30 Days for Loss of Emergency Power

ML20098C074
Person / Time
Site:	Calvert Cliffs
Issue date:	10/02/1995
From:	BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20098C068	List: ML20098C066 ML20098C074
References
NUDOCS 9510060236
Download: ML20098C074 (3)

Text

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1 ATTACIIMENT (3) i i

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UNIT 2-:

4 TECHNICAL SPECIFICATIONS-1 i

i REVISED PAGE 3/4 7-16 i

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Baltimore Gas and Electric Company License Amendment Request 4

October 2,1995 9510060236 951002 PDR ADOCK 05000318

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1/4.7 PLANT SYSTEMS 3/4.7.6 CONTROL ROOM EMERGENCY VENTILATION SYSTEM 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 comon exhaust to atmosphere duct, and e.

One isolation valve in the toilet area exhaust duct.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

a.

With one filter train inoperable, restore the inoperable train to 0PERABLE status within 7 days or be in at least HOT 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 SHUTD0WN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

4 b.

With one air conditioning unit inope ble, 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

e c.

With one isolation valve per Control Room outside air intake duct inoperable, operation may continue provided the other isolation valve in the same duct is maintained closed; otherwjse, 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

d.

With one common exhaust to atmosphere duct isolation valve inoperable, restore the inoperable valve to 0PERABLE status within 7 days or be in at least HOT STANDBY within the next

6. hours 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 />.

With the toilet area exhaust duct isolation valve inoperable, e.

restore the inoperable valve to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least HOT 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 SHUTD0WN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Afd.TMte6A k

CALVERT CLIFFS - UNIT 2 3/4 7-16 Amendment No. 163

2 INSERT A This Action is extended from 7 days to 30 days (for loss of the emergency power supply only) during the Unit 1 1996 refueling outage. This extension begins when Emergency Diesel Generator No.11 is removed from service on 4 kV Bus No.11. The extension ends when Emergency Diesel Generator No. I A is declared OPERABLE on 4 kV Bus No. I1 under Technical Specification 3.8.1.2 or 30 days has expired, whichever is first.

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