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* * . ZCZC MORRIS PMS MR BOYCE GREER 1 SQ OF COM PL I . .)EE SECTION REGION 3 us ATOM_ I c rnERGV 31;) i 8 ;,-:y-.-9 0: GLEN ELLYN ILL 60137 . To be mailEl'd 6 A1ed
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* SUBJECT DPR-25 Attempts to deliver (IndICate DA or t/ DESDEN NUCLEAR POWER STATION UNIT 3 IBIS WILL CONFIRM A CONVERSATION WITII MR H DANCE or YOUR OFFICE AT 1100 HOURS THIS DATE CONCERNING NOo 1 OFF GAS MONITOR BEING OUT OF CALIBRATION ON 10-20-72 TI<E INSTRUMENT MECHANICS WHILE MAKING A MONTHLY SURVALANCE CALIBRATION ON UNIT 3 OFF GAS MONITOR FOUND THE TRIP SE'ITING ON ONE MONITOR GREATER iHAN SPECIFIED IN THE TECHNICAL SPECIFICATIONS SECTIONS 3. 2oDo A OF THE TECHNICAL SPECIFICATION STATE THAT THE TRIP SETTING FOR SF-1201 MONITOR SHALL BE SET AT A VALUE NOT TO EXCEED TIIE EQUIVILANT 1 0F STACK REI.... EASE L !MIT SPECIFIED IN SPECIFICATION
                                                                                          ; . " ...' *.*. - .*
: 3. 8 THE ST*ACK RELEASE LIMIT UNDER OPERATING CONDITIONS AT THE TIME WAS O. 7 CI/2ND TilE TRIP SETTING ON NOo 1 OFF GAS MONITOR WAS FOUND TO BE 1o0CI/2ND THESE MONITORS DO NOT HAVE A HISTORY OF PREVIOUS FAILURES THE STATION WILL REVIEW TIIE PRESENT TRIP SETTING TO DETERMINE OF A LOWER LIMIT CAN BE USED Wo P. WORDEN SUPT DRESDEN NUCLEAR POWER STATION COL DPR-25 3 1100 1 33.2.n.1 3.8 0.1 CI/2ND 1 1.0cI/2ND}}
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    -445P EST OCT 24 72 DEB87 3 DE                                                                       19'12 OCT 24 PM 4                  54    SO-(;lfl DEH187( 1.550) ( 1-024222C298)PD 10/24/72 1547 res     IPMV~W\                                                                      *                               *                       .
ZCZC OO*~DVE MORRIS                           JJ.~H~81'Lfg~~?iq~~~t?TAJ~ ~:~~:~c~~~E:O~lnDRESSEE)
PMS MR BOYCE GREER ~DLY 1 SQ                 ~lm1?lEC5l!O!U<OOV OF COM PL I AlN~eiEJ ..)EE                     SECTION REGION 3 us ATOM_ I GLEN ELLYN ILL 60137 c rnERGV
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c~'l-\~~15'~9-::1!i<J.9;f!:~= No;~
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:
SUBJECT DPR- 25                               Attempts to deliver (IndICate DA or                       B~                        t/
DESDEN NUCLEAR POWER STATION UNIT 3 IBIS WILL CONFIRM A CONVERSATION WITII MR H DANCE or YOUR OFFICE AT 1100 HOURS THIS DATE CONCERNING NOo 1 OFF GAS MONITOR BEING OUT OF CALIBRATION ON 10-20-72 TI<E INSTRUMENT MECHANICS WHILE MAKING A MONTHLY SURVALANCE CALIBRATION ON UNIT 3 OFF GAS MONITOR FOUND THE TRIP SE'ITING ON ONE MONITOR GREATER iHAN SPECIFIED IN THE TECHNICAL SPECIFICATIONS SECTIONS 3. 2oDo A OF THE TECHNICAL SPECIFICATION STATE THAT THE TRIP SETTING FOR SF-1201   (R~9)'
1 MONITOR SHALL BE SET AT A VALUE NOT TO EXCEED TIIE EQUIVILANT 0F STACK REI.... EASE L !MIT SPECIFIED IN SPECIFICATION 3. 8 THE ST*ACK RELEASE LIMIT UNDER OPERATING CONDITIONS AT THE TIME WAS O. 7 CI/2ND TilE TRIP SETTING ON NOo 1 OFF GAS MONITOR WAS FOUND TO BE 1o0CI/2ND THESE MONITORS DO NOT HAVE A HISTORY OF PREVIOUS FAILURES THE STATION WILL REVIEW TIIE PRESENT TRIP SETTING TO DETERMINE OF A LOWER LIMIT CAN BE USED Wo P. WORDEN SUPT DRESDEN NUCLEAR POWER STATION COL DPR-25 3 1100 1 10~20-72 33.2.n.1 3.8 0.1 CI/2ND 1 1.0cI/2ND I "
S~1201 (R~9)}}

Revision as of 19:18, 29 October 2019

Letter Confirming a Conversation Concerning No. 1 Off Gas Monitor Being Out of Calibration on 10/20/1972 and the Trip Setting on One Monitor Greater than the Technical Specification - Dresden Unit 3
ML17252A870
Person / Time
Site: Dresden Constellation icon.png
Issue date: 10/24/1972
From: Worden W
Commonwealth Edison Co
To: Greer B
US Atomic Energy Commission (AEC)
References
Download: ML17252A870 (1)
v • d • e


Text

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-445P EST OCT 24 72 DEB87 3 DE 19'12 OCT 24 PM 4 54 SO-(;lfl DEH187( 1.550) ( 1-024222C298)PD 10/24/72 1547 res IPMV~W\ * * .

ZCZC OO*~DVE MORRIS JJ.~H~81'Lfg~~?iq~~~t?TAJ~ ~:~~:~c~~~E:O~lnDRESSEE)

PMS MR BOYCE GREER ~DLY 1 SQ ~lm1?lEC5l!O!U<OOV OF COM PL I AlN~eiEJ ..)EE SECTION REGION 3 us ATOM_ I GLEN ELLYN ILL 60137 c rnERGV

.

c~'l-\~~15'~9-::1!i<J.9;f!:~= No;~

To be mailEl'd 6 A1ed

  • 41  ;:;:f!p ~~ 2**

31

) i 8 ;,-
y-.-9 ~ 0

SUBJECT DPR- 25 Attempts to deliver (IndICate DA or B~ t/

DESDEN NUCLEAR POWER STATION UNIT 3 IBIS WILL CONFIRM A CONVERSATION WITII MR H DANCE or YOUR OFFICE AT 1100 HOURS THIS DATE CONCERNING NOo 1 OFF GAS MONITOR BEING OUT OF CALIBRATION ON 10-20-72 TI<E INSTRUMENT MECHANICS WHILE MAKING A MONTHLY SURVALANCE CALIBRATION ON UNIT 3 OFF GAS MONITOR FOUND THE TRIP SE'ITING ON ONE MONITOR GREATER iHAN SPECIFIED IN THE TECHNICAL SPECIFICATIONS SECTIONS 3. 2oDo A OF THE TECHNICAL SPECIFICATION STATE THAT THE TRIP SETTING FOR SF-1201 (R~9)'

1 MONITOR SHALL BE SET AT A VALUE NOT TO EXCEED TIIE EQUIVILANT 0F STACK REI.... EASE L !MIT SPECIFIED IN SPECIFICATION 3. 8 THE ST*ACK RELEASE LIMIT UNDER OPERATING CONDITIONS AT THE TIME WAS O. 7 CI/2ND TilE TRIP SETTING ON NOo 1 OFF GAS MONITOR WAS FOUND TO BE 1o0CI/2ND THESE MONITORS DO NOT HAVE A HISTORY OF PREVIOUS FAILURES THE STATION WILL REVIEW TIIE PRESENT TRIP SETTING TO DETERMINE OF A LOWER LIMIT CAN BE USED Wo P. WORDEN SUPT DRESDEN NUCLEAR POWER STATION COL DPR-25 3 1100 1 10~20-72 33.2.n.1 3.8 0.1 CI/2ND 1 1.0cI/2ND I "

S~1201 (R~9)

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