ML20195C289
| ML20195C289 | |
| Person / Time | |
|---|---|
| Site: | Byron |
| Issue date: | 11/04/1998 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20195C294 | List: |
| References | |
| NPF-37-A-104, NPF-66-A-104 NUDOCS 9811170073 | |
| Download: ML20195C289 (2) | |
Text
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1 TABLE 3.3-4 (Continued)
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ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS 88-69 TRIP ALLOWABLE FUNCTIONAL UNIT SETPOINT VALUE
'a:
S ^"*" * '**d*"' (
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Division 11 for Unit 1 (Division 21 for Unit 2)
T ESF Bus Undervoltaga-Start Motor-Driven Pump 2870 volts 2730 volts.
g.
Auxiliary Feedwater Pump Suchon Pressure-i Low (Transfer to Essential Service Water) 218.1 psia 217.4 psia
- 7. Automatic Opening of Containment Sump Suction i
isolation Valves a.
Automatic Actuation N.A.
N.A.
Logic and Actuation Relays b.
RWST Level-Low-Low 46.7 %
44.7 %
Coincident with Safety injection See item 1. above for Safety injection Trip Setpoints and Allowable Values.
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1 BYRON - UNITS 1 & 2 3/4 3-27 AMENDMENT NO.104; 104
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PLANT SYSTEMS
' CONDENSATE STORAGE TANK LIMITING CONDITION FOR OPERATION 3.7.1.3 The condensate storage tank (CST) shall be OPERABLE with a contained water level of at least 60%* (75%").
[
' APPLICABILITY: MODES 1,2, and 3.
j ACTION-With the CST inoperable, within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> either:
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a.
Restore the CST to OPERABLE status 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 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, or b.
Demonstrate the OPERABILITY of the Essential Service Water System as a backup supply to the auxiliary feedwater pumps and restore the CST to OPERABLE status within 7 days 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 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.7.1.3.1 The CST shall be demonstrated OPERABLE at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying i
the contained water level is within its limits when the tank is the supply source for the auxiliary
- feedwater pumps.
4.7.1.3.2 The Essential Service Water System shall be demonstrated OPERABLE at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by performing the surveillance specified in Specification 4.7.4a. whenever the Essential Service Water System is the supply source for the auxiliary feedwater pumps.
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- Applicable to Unit 1 and to Unit 2 after Cycle 7.
"Not applicable to Unit 1. Applicable to Unit 2 through Cycle 7.
i BYRON - UNITS 1 & 2 3/47-6 AMENDMENT NO. 104; 104
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