ML17214A163
| ML17214A163 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 06/06/1983 |
| From: | FLORIDA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML17214A162 | List: |
| References | |
| NUDOCS 8306100144 | |
| Download: ML17214A163 (2) | |
Text
4 INSTRUMENTATION 3/4. 3; 4 TURBINE OYERSPEED PROTECTION LIMITING CONDITION FOR OPERATION 3.3. 4 At least one turbine overspeed protection system shall be OPERABLE.
APPI ICABILITY:
t10DES 1, 2," and 3."
ACTION:
'a 0 b.
W Mith one stop valve or one control valve per high pressure turbine steam lead inoperable and/or with one reheat stop valve or one reheat intercept valve per low pressure turbine steam lead inop-
- erablee, restore the inoperable valve(s) 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 close at least one valve in the affected steam lead or isolate the turbine from the steam supply within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
Mith the above required turbine overspeed protection system otherwise inoperable, within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> isolate the turbine from the steam supply.
(
SURYEILLANCE RE UIREHENTS 4.3.4.1 The provisions of Specification 4.0.4 are not applicable.
4.3;4.2 The above required turbine overspeed protection system shall be demonstrated OPERABLE:
a.
At least once per.month by.cycling each of the following valves through at least one complete cycle from the running position.
l.
Four high pressure turbine-stop valves.
2.
Four high pressure turbine control valves.
3.
Four low pressure turbine reheat stop valves.
4.
Four low p'ressure turbine reheat intercept valves.
b.
At least once per 31 days by direct observation of the movement" of each of the above valves through one complete cycle from the running position.
C.
d.
At least once per 18 months by performance of a CHANNEL CALIBRATION on the turbine overspeed protection systems.
At least once per 40 months by disassembling at least one of each of the above valves and performing a visual and surface inspection of valve seats, disks and stems and verifying no unacceptable flaws or corrosion.
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Mith any main steam line isolation valve and/or any main steam line isolation valve bypass valve not fully closed.
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