ML17252B006
| ML17252B006 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/10/1973 |
| From: | Worden W Commonwealth Edison Co |
| To: | Anthony Giambusso US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252B006 (2) | |
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SUBJECT:
DPR-25 DRESDEN NUCLEAR POWER STATION LN IT 3.
THIS WILL CONFIRM CONVERSATION WITH MR J FISBAUGHER
~ YOUR OFFIC~ AT 3030HOURS THIS DATE CONCERNING HPCI
~GH STEAM FLOW ISOLATION SENSORS OUT OF CALIBRATION.
ON J 13 THE INS.TRUMENT DEPARTMENT MADE A QUART~RLY. :
ffiLIBRATION ON HPCI STEAM LINE HIGH FLOW ISOLATION SENSORS.
~BLE 3.2.1 OF THE TECH. SPEC* STATES OF TRIP LEVEL
~TTING 8E LESS THAN OR EQUAL TO 150 INCHES OF WATER* DPIS
~2352 TRIP SETTING WAS FOUND AT 150~5 INC AND DPIS 3~2353 mIP SETTING WAS FOUND AT 151~0 INCHES*
lliIS IS THE FIRST. INS7ANCE WHEN THESE SENSORS HAVE WITH TRIP SETTING GREATER THAN THE TECH. _SPEC* LIMIT. THE.
. ~STRUMENT TRIP SETTING WAS* RESET to 146 INCHES*
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'S'MR A GIAMBUSSO DEPUTY DIRECTOR FOR REACTOR PROJECTS illRECTORATE OF.LICENSING u. s. ATOMIC ENERGY COMMISSlON WJX WASH DC
SUBJECT:
DPR-25 DRESDEN NUCLEAR POWER STATION LNlT 3.
I THIS WI~L CONFIRM CONVERS~TION ~ITH MR J FISBAUGHER
~ YOUR OFFIC~ AT 3030HOURS THIS DATE CONCERNING ~PCI KGH ~TEAM FLOW ISOLATION SENSORS OUT OF CALIBRATION.
ON 1-8-73 THE INSTRUM~NT DEPARTMENT MADE A QUARTERLY mLIBRATION ON HPCI STEAM L~NE HIGH FLOW ISOL.ATION. SENSORS.
~BLE 3.2.1 OF THE TECH* SPEC* -STATES OF TRIP LEVEL
~TTING BE LESS THAN OR EQUAL TO 150 I~CHES O~ WATE~* DPIS I
~2352 TRIP SETTING WAS FO~ND AT 15~~5 INC AND DPIS
~~2353 mip SEtTING ~~s FOUND AT 151.0 iNCHES*
1Hl$ IS THE FIRST_ INSTANCE. W_HEN THESE SENSORS.HAVE. BEEN FOl:JNDV
- t, WI-TH TRIP S.ETTING G 0REATER THAN THE* TECH *.. SP.EC*
L'IMIT-~' THE.,,
~STRUMENT TRIP SETTING.WA$* RESET TO 146
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