ML17319B673

Proposed Change to Tech Spec 3.7.9.3 Re Fire Protection Sys

ML17319B673
Person / Time
Site:	Cook
Issue date:	11/23/1982
From:	INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17319B672	List: ML17319B671 ML17319B673
References
NUDOCS 8211300218
Download: ML17319B673 (4)

Text

PLANT SYSTEMS LOW PRESSURE C02 SYSTEMS LIMITING CONDITION FOR OPERATION 3.7.9.3 The low pressure CO systems located in the areas shown in Table 3.7-6 shall be OPERABLE.

APPLICABILITY: Whenever equipment in the low pressure CO protected areas is required to be OPERABLE.

ACTION:

a. With one or more of the above required low pressure CO systems isolated for personnel protection, to permit entry for routine tours, maintenance, construction or surveillance testing, verify the operability of. the fire detection system as per Specification 4.3.3.7 in the affected areas(s) or establish a hourly fi're watch patrol.

b. With one or more of the above required low pressure CO systems inoperable, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> establish a continuous fire watch with backup fire suppression equipment for those areas in which redundant safe shutdown systems or components could be damaged; for other areas ensure that back-up fire suppression equipment is available and establish an hourly fire watch patrol,. Restore the system to OPERABLE status within 14 days or, in lieu of any other report required by Specification 6.9.1, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.2 within the next 30 days outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status.

c., The provisions of Specification 3.0.3 and 3.0.4 are not applicable.

SURVEILLANCE RE UIREMENTS 4.7.9.3 Each of the above required low pressure CO systems shall be demonstrated OPERABLE:

a. At least once per 7 days by verifying the CO storage tank level to be 50% and pressure to be ~ 285 psig, and

b. At least once per 18 months by verifying:

1, The system valves, associated ventilation dampers and self closing fire doors actuate manually and automatically, upon receipt of a simulated actuation signal, and

2. Flow from each nozzle during a "Puff Test".

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PLANT SYSTEMS LOW PRESSURE C02 SYSTEMS LIMITING CONDITION FOR OPERATION 3.7.9.3 The low pressure CO systems located in the areas shown in Table 3.7-6 shall be OPERABLE.

APPLICABILITY: Whenever equipment in the low pressure CO protected areas is required to be OPERABLE.

ACTION:

a. With one or more of the above required low pressure CO systems isolated for personnel protection, to permit entry for routine tours, maintenance, construction or surveillance testing, verify the operability of the fire detection system as per Specification 4.3,3.8 in the affected areas(s) or establish a hourly fire watch patrol.

b. With one or more of the above required low pressure CO systems inoperable, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> establish a continuous fire watch with backup fire suppression equipment for those areas in which redundant safe shutdown systems or components could be damaged; for other areas ensure that back-up fire suppression equipment is available and establish an hourly fire watch patrol. Restore the system to OPERABLE status within 14 days or, in lieu of any other report required by Specification 6.9.1, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.2 within the next 30 days outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status.

c. The provisions of Specification 3.0.3 and 3.0.4 are not applicable.

SURVEILLANCE REQUIREMENTS 4.7.9.3 Each of the above required low pressure CO systems shall be demonstrated OPERABLE:

a. At least once per 7 days by verifying the CO storage tank level to be ~ 50% and pressure to be ~ 285 psig, and

b. At least once per 18 months by verifying:

1. The system'valves, associated ventilation dampers and self closing fire doors actuate manually and automatically, upon receipt of a simulated actuation signal, and

2. Flow from each nozzle during a "Puff Test".

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