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{{#Wiki_filter:REACTOR COOLANT SYSTEM PRESSURIZER LIMITING CONDITION FOR OPERATION 3.4.4 | {{#Wiki_filter:REACTOR COOLANT SYSTEM PRESSURIZER LIMITING CONDITION FOR OPERATION 3.4.4 The pressurizer shall be OPERABLE with: | ||
: a. | : a. | ||
: b. At least two groups of pressurizer heaters each having a capacity of at least 130 kW. | Pressurizer water level < 70%, and | ||
APPLICABILITY: | : b. | ||
At least two groups of pressurizer heaters each having a capacity of at least 130 kW. | |||
APPLICABILITY: | |||
MODES 1, 2 and 3. | |||
ACTION: | ACTION: | ||
: a. With only one group of pressurizer heaters OPERABLE, restore at least two groups to OPERABLE status within 72 hours or be in at least HOT STANDBY within the next 6 hours and in HOT SHUTDOWN within the following 12 hours. | : a. | ||
: b. With the pressurizer otherwise inoperable, be in at least HOT STANDBY with the reactor trip breakers open within 6 hours and in HOT SHUTDOWN within the following 6 hours. | With only one group of pressurizer heaters OPERABLE, restore at least two groups to OPERABLE status within 72 hours or be in at least HOT STANDBY within the next 6 hours and in HOT SHUTDOWN within the following 12 hours. | ||
SURVEILLANCE REQUIREMENTS 4.4.4.1 | : b. | ||
4.4.4.2 | With the pressurizer otherwise inoperable, be in at least HOT STANDBY with the reactor trip breakers open within 6 hours and in HOT SHUTDOWN within the following 6 hours. | ||
MILLSTONE - UNIT 2 | SURVEILLANCE REQUIREMENTS 4.4.4.1 The pressurizer water level shall be determined to be within its limits at least once per 12 hours. | ||
4.4.4.2 Verify at least two groups of pressurizer heaters each have a capacity of at least 130 kW at least once per 92 days: | |||
MILLSTONE - UNIT 2 3/4 4-4 Amendment No. 66, 74, W., 4-30, 24--, | |||
2-64-, | 2-64-, | ||
296}} | 296}} | ||
Latest revision as of 03:37, 15 January 2025
| ML070310146 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 01/30/2007 |
| From: | Nerses V NRC/NRR/ADRO/DORL/LPLI-2 |
| To: | Christian D Dominion Nuclear Connecticut |
| nerses V, NRR//DORL, 415-1484 | |
| Shared Package | |
| ML062920332 | List: |
| References | |
| TAC MD0527 | |
| Download: ML070310146 (1) | |
Text
REACTOR COOLANT SYSTEM PRESSURIZER LIMITING CONDITION FOR OPERATION 3.4.4 The pressurizer shall be OPERABLE with:
- a.
Pressurizer water level < 70%, and
- b.
At least two groups of pressurizer heaters each having a capacity of at least 130 kW.
APPLICABILITY:
MODES 1, 2 and 3.
ACTION:
- a.
With only one group of pressurizer heaters OPERABLE, restore at least two groups to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 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 HOT SHUTDOWN within the following 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
- b.
With the pressurizer otherwise inoperable, be in at least HOT STANDBY with the reactor trip breakers open within 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 />.
SURVEILLANCE REQUIREMENTS 4.4.4.1 The pressurizer water level shall be determined to be within its limits at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
4.4.4.2 Verify at least two groups of pressurizer heaters each have a capacity of at least 130 kW at least once per 92 days:
MILLSTONE - UNIT 2 3/4 4-4 Amendment No. 66, 74, W., 4-30, 24--,
2-64-,
296