ML20050E435

Proposed Tech Specs 3.76 Re Control Room Emergency Ventilation Sys

ML20050E435
Person / Time
Site:	Calvert Cliffs
Issue date:	04/12/1982
From:	BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20050E430	List: ML20050E426 ML20050E435
References
NUDOCS 8204130292
Download: ML20050E435 (1)

Text

, bHANGE No.1 PIMP SYSTES 3/4 7.6 C0ttrROL ROOM EMERGENCY VEITTILATION SYSTEM LIMITING CONDITION FDR 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 conmon 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 OPERABLE status within 7 days or be in at least HOT STANDBY within the next six 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 />.

b. With one air conditioning unit inoperable, restore the inoperable unit to OPEPABLE 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 SHUTDOWN 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 isolation valve in the same duct is maintained closed; otherwise, be in at least HOT 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 SHUTDCf4I 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 OPERABLE 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 SHUIDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

e. With the toilet area exhaust duct isolation valve inoperable, 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 SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

• Fbr an interim period from April 17, 1982, to July 21, 1982, action statement

, 3.7.6.1.b may be relaxed to allow one air conditioning unit to be inoperable i for up to 21 days vice 7 days.

l CALVERT CLIFFS - Unit 1/2 3/4 7-17 Amendment No.

8204130292 820412 PDR ADOCK 05000318 P PDR