ML20101E533
| ML20101E533 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 12/19/1984 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML20101E505 | List: |
| References | |
| NUDOCS 8412260287 | |
| Download: ML20101E533 (1) | |
Text
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PLANT SYSTEMS 3/4.7.8 AUXILIARY BUILDING VENTILATION EXHAUST SYSTEM LIMITING CONDITION FOR OPERATION 3.7.8.1 The Auxiliary Building ventilation exhaust system shall be OPERABLE and shall consist of a minimum of two independent pairs of exhaust fans and four filter systems.1 APPLICABILITY: MODES 1, 2, 3 and 4.
ACTION:
- a.
With one pair of exhaust fans or one filter system inoperable, restore the Inoperable pair of fans or system *o 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 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 more than one pair of exhaust fans or more than one filter system inoperable, restore one inoperable pair of fans or system to OPERABLE status within 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-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 />.2 SURVEILLANCE REQUIREMENTS 4.7.8.1 The Auxiliary Building ventilation exhaust system shall be demonstrated l
OPERABLE:
a.
At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filters and charcoal adsorbers and verifying that the system operates for at least 15 minutes.
At least once per 18 months or (1) after any structural maintenance on the o.
HEPA filters or charcoal adsorber housings; or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by:
1.
Verifying that with the system operating at a flow rate of 156, 680 cfm l
2 10% and exhausting through the HEPA filters and charcoal adsorbers, the total bypass flow of the system to the facility vent, including leakage through the system diverting valves, is :61% when the system is tested by admitting cold DOP at the system intake.
1 More than one filter system and more than one pair of exhaust fans may be l
inoperable for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing per Specification 4.7.8.1.b, e, or I
f.
l 2
The cumulative downtime, excluding surveillance testing, of the entire Auxiliary Building ventilation system shall be limited to 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> during any 30 day period.
CRYSTAL RIVER - UNIT 3 3/4 7-23 8412260287 841219 PDR ADOCK 05000302 P
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