ML17277B571
| ML17277B571 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 12/20/1984 |
| From: | WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | |
| Shared Package | |
| ML17277B570 | List: |
| References | |
| TAC-56578, NUDOCS 8412270227 | |
| Download: ML17277B571 (4) | |
Text
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CONTAINMENT SYSTEMS PRIMARY CONTAINMENT AIR LOCKS LIMITING CONDITION FOR OPERATION IWGRT 3.6.1.3 Each primary containment air lock shall be OPERABLE with:
a.
%e rh+cvrcck operable.
atftd e~~ee ouch that ~h doors cahno+ be ogcpics setttLLAclhCollsgy aHd Both doors closed except when the air lock is being used for normal transit entry and exit through the containment, and An overall air lock leakage rate of less than or equal to 0.05 L at P
, 34e7 psig.
APPl.ICABII.ITY:
OPERATIONAL CONDITIONS 1, 2" and 3.
ACTMN:
a.
lmh. Nth one primaryainment air lock door inoperahle:
1.
Maintain at le he OPERABLE air lock door closed and either restore the inop e air lock door 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 lock the BLE air 'lock door closed.
2.
Operation may then cgt'e until performance of the next required overall air lock leaka st provided that the OPERABLE air lock door is verified.to bz d closed
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3.
Otherwise, be sn at Teast HOT UTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within 'the wing 24'ours.
4.
The provisions of Specification 4 are not applicable.
ol o.n lho~lc iN.C&ock vnecbtLnisrn With the primary containment air lock inoperable, except as a result of an inoperable air lock door, maintain at least one air lock door closed; restore the inoperable air lock 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 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
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CONTAINMENT SYSTEMS SURVEILLANCE RE UIREMENTS 4.6. 1.3 Each primary containment air lock shall be demonstrated OPERABLE:
gb. Within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> following each closing, except when the air lock is being used for multiple entries, then at least once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, by verifying seal leakage rate less than or equal to 0.025 L
when the gap between the door seals is pressurized to 10 psig.
Qc By conducting an overall air lock leakage test at P
, 34.7 psig and by verifying that the overall air lock leakage rate is within its limit:
l.
At least once per 6 months
, and 2.
Prior to establishing PRIMARY INMENT INTEGRITY when maintenance had been perform the air lock that could affect the air lock sealing bility".
qdwleck op Zy rifyingpthat only one door in each air lock can be opened at a f.Rip-4 usi~ %he-Qoi~
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The provisions of Specification 4.0.2 are not applicable.
Exception to Appendix J of 10 CFR 50.
'ASHINGTON NUCLEAR " UNIT 2 3/4 6"6
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