ML051610269
| ML051610269 | |
| Person / Time | |
|---|---|
| Site: | Kewaunee  |
| Issue date: | 06/10/2005 |
| From: | Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| NRC-05-072 | |
| Download: ML051610269 (6) | |
Text
ENCLOSURE 2 AFW SUCTION PRESSURE TRIP SETPOINT DETERMINATION 1 Page Follows
ENCLOSURE 2 AFW Suction Pressure Trip Setpoint Determination reset ALT = +I- 0.061 psi (ID)
APS = 6.04 psig
.-------b Margin = 0.035 psi NTSP = PL + TLE 1 TLE = 0.1 13 psi AUPL AL = Analytical Limit PL = Process Limit TLE = Total Loop Error (Measured + Unmeasured uncertancies)
APS = Actual Plant Setpoint AFL = As Found Limit (APS +I-Measured Uncertancies)
ALT = As Left Tolerance (APS +I-Instrument Accuracy)
ID = Instrument Drift (Measured Uncertancies) 6.29 psig
\\
6.132 psig AFL = +I- 0.092 psi
/
5.948 psig 5.913 psig 5.8 psig Page 1 of 1
ENCLOSURE 3 ILLUSTRATIVE SCHEMATIC OF THE AFW SUCTION AND DISCHARGE PRESSURE TRIP CIRCUITS 1 Page Follows
ENCLOSURE 3 Illustrative Schematic of the AFW Suction and Discharge Pressure Trip Circuits NWJLsi
- 1. R
- REUDTE CONTROL IN COHTROL R O W L = LOCAL CONTROL AT DEDICATED WUTWWN PANEL
- 2. W V CONTACT OPEN WHEN SW W R
Y VALVE OPEN.
FOR INFORMATION ONLY SIMPLIFIED 'A' AFW PUMP SUCTION PRESSURE (SPI AND DISCHARGE PRESSURE (DP) TRIP CIRCUITS Page 1 of 1
ENCLOSURE 4 AFW DISCHARGE PRESSURE TRIP SETPOINT DETERMINATION 1 Page Follows
ENCLOSURE 4 AFW Discharge Pressure Trip Setpoint Determination 900 psi ALT = +I-10 psi (ID)
APS = 886 psig AFL (AV) = +I-14 psi Margin = 1 psi NTSP = PL + TLE
T--
TLE = 18 psi AUPL AL = Analytical Limit PL = Process Limit TLE =Total Loop Error (Measured + Unmeasured uncertancies)
APS = Actual Plant Setpoint AFL = As Found Limit (APS +I-Measured Uncertancies)
ALT = As Left Tolerance (APS +I-lnstrument Accuracy)
ID = Instrument Drift (Measured Uncertancies)
INWC = inches water column 872 psi 871 psi 853 psi Page 1 of 1