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 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.
9410120223 941005 PDR ADOCK 03000423 P