ML20073K944
| ML20073K944 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 10/05/1994 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20073K936 | List: |
| References | |
| NUDOCS 9410120223 | |
| Download: ML20073K944 (1) | |
Text
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PLANT SYSTEMS MAIN STEAM LINE ISOLATION VALVES LIMITING CONDITION FOR OPERATION 3.7.1.5 Each main steam line isolation valve (MSIV) shall be OPERABLE.
APPLICABILITY: MODES 1, 2, 3, and 4.
ACIlgl{:
MODE 1:
With one MSIV inoperable but open, POWER OPERATION may continue provided the inoperable valve is restored to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; otherwise be in 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 HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
MODES 2, 3, and 4:
With one MSIV inoperable, subsequent operation in MODE 2, or J, or 4 may proceed provided the isolation valve is maintained closed. Otherwise, be in 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 />.
SURVEILLANCE REQUIREMENTS 1
4.7.1.5.1 Each MSIV shall ' demonstrated OPERABLE by verifying full clesure within 10 seconds in Modes 1, 2, and 3 when tested pursuant to Specification 4.0.5. The provisions of Specification 4.0.4 are not applicable for entry into MODE 3.
4.7.1.5.2 Each MSIV shall be demonstrated OPERABLE by verifying full closure I within 120 seconds in Mode 4 when tested pursuant to Specification 4.0.5. The l provisions of Specification 4.0.4 are not applicable for entry into MODE 4.
MILLSTONE - UNIT 3 3/4 7-9 Amendment F' JJ,JJ.