ML17252A993
| ML17252A993 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 03/26/1973 |
| From: | Worden W Commonwealth Edison Co |
| To: | Anthony Giambusso US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252A993 (1) | |
Text
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WU WSH USAEC H.QS GTWN TLXA229 WAF232Cl832)Cl-030167COB5002)PD 03/26/73 1829 res -IPMVEIE MVN ZCZC '05059 TOVE MORRIS IL 103 03-26 425P CST PMS MR A GIAMBUSSO DEPUTY DIRECTOR FOR REACTOR PROJECTS DIRECTORATE OF LICENSING US ATOMIC ENERGY COMMISSION WUX WA.SHDC
.SUBJECT DPR 25 DRESDEN NUCLEAR POWER STATION UNIT 3.
50-249" I.HIS WILL CONFIRM A CONVERSATION WiTH MR H DANCE OF YOUR OFFICE AT.1450 HciURS tHIS DATE CONCERNING MAIN STEAM LINE AREA TEMPERATURE SWITCHES BEING OUT OF CALIBRATION. bN 3-24-73 THE INSTRUMENT MECHANICS *COMPLETED THE CALIBRATION OF THESE SWITCHES WHICH IS REQUIRED EVERY REFUELING OUTAGE. NINE OF THE SiXTEEN TEMPERATURE SWITCHES ERE FOUND TO HA0E TRIP SETTINGS.
GREATER THAN THE TECHNICAL SPECIFICATIONS LIMIT OF 200 DEGREE~
FAHRENHEIT. THIS WAS THE FIRST TIME THESE SWITCHES WERE CALIBRATtD SINCE THE ORIGINAL CONSTRUCTION TEXT *. ALL SWITCHES WERE RESET TO TRIP BETWEEN 190 DEGREtS TO 195 DEGREES.
\\!( P WORDEN SUPERTENDENT COMMONWEALf H EDISON CO DRESDEN NUCLEA~ POWER STATION*
RRl MORRIS ILLINOIS USAEC HQS GTWN MAR 26 1 0.35PEST WU WSH
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