ML17252A932
| ML17252A932 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/15/1974 |
| From: | Worden W Commonwealth Edison Co |
| To: | O'Leary J US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252A932 (1) | |
Text
,.
11SnilURDI m&n8 U.S. ATOMIC ~-*NE.R.GY COHl't.
TWJCUNl1T
- WU WSH+
USAEC HQS GTWN TLXA203 WAE167< 172.5>< l-033872C015002)P0.'01/J 5/74 1723 I
ICS IPMVEID MVN.'
04261 TOVE MORRIS IL 123 01-15 326P CDT EMS.* J E O'LEARY DIRECTOR' DIRECTORATE OE Ll.CENSING US ATOMIC ENERGY COMM1SSION WUX WASHDC.20545 SUBJECT DP R* 2 5 ()RES DEN NUCLEAR POWE S "I;A TI ON UN IT 3 THIS WILL CONFIRM A CONV.ERSAHON WITH f. MAURA OE YOUR CFFICE '.AT 1400 HOUf3S TH.IS." DATE CONCERNINl;l A FAILURE 'OE JHE WRBINE CONDENSER*LOW VACCUM SCRAM SWITCH PSL-3-503C* WHILE CONDUCTING MONTHLY FUNCTIONAL TESTING CF PSL 503C I TS TRIP POI NT WAS,.-_OUND TO BE 22. 35. I NCH ES CF *MERCURY WHICH IS OUTSI~E TH~ LIMIT SPECIF!kD IN TAB~E
- 3. 1
- 1 OF THE TECHNICAL SPECIFICATIONS "LESS THAN OR EQUAL TO 23
- / '
~
INCHES OF.MERCURY*" THE SWITCH WAS IMMEDIATELY
~SET TO 23. 7 15 INCHES OF MERCURY.* THE. OTHER LOW VACCU.M*
\\
~RAM SWITCHES WERE ALSO TESTtO,
<RSL~30503A,8,AND D>
AND THEIR SET. POI~TS WERE FOUND IN* COMPLIANCE WITH THE LIMlli SPECIE~ED IN CABLE 3.1.1 W P WORDEN 3UPERINTENDANT DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDDISON COMPANY R R 1 MOR~IS ILLINOIS l\\NNN
. I 625P EDT+
USA EC HQS
- GTWN 50-249.
465