ML17252B021
| ML17252B021 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 09/25/1972 |
| From: | Worden W Commonwealth Edison Co |
| To: | Grier B US Atomic Energy Commission (AEC) |
| References | |
| Download: ML17252B021 (3) | |
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LD001 TOVE MORRIS ILLINOIS SEPTEMBER 25, 1972 10:35AM.
BOYCE GRIER, DIRECTOR DIVISION OF COMPLIANC[
REGION 3 U.S. ATbMIC ENERGY COMMISSION 799 ROOSEVELT ROAD GLEN ELLYN !LLINOIS 60137 SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3 THIS WILL CONFIRM THE CONVERSATION WITH H. DANCE OF YOUR OFF I GE AT 0915 HOURS TH IS DATE CONCERN !f'.IG HIGH FLO\\!J SWITCHES ON THE ISOLATION CONDENSER BEING OUT OF CAL I BRAT I ON.
mJ 9. 22 72 A FOUT I NE THREE MONTH C/\\L I E3Rl\\ TI mJ
\\tJ.A.S PERFORMED m~ THE H l GH FLOV*.1 ISOLATION SVJ ITCHES.
/\\LL FOUR SV! ITCHES SET PO I ~ns \\riERE FOUND GREP.TER THAil THE LIMIT IN~TABLE 3.2.1. OF THE TECHNICAL SPECIFICATIONS.
THE HIGH STEAM FLOW SWITCHES, DPIS 3-1350 A&B, WERE FOUND SET AT 426.5 AND 435.5 INCHES OF WATER.
THE LIMIT WU 1201 (R 5-69)
WU 1201 (R 5-69)
.. iJ' IN TABLE 3.2.1. CORRESPONDS TO 425 INCHES OF WATEF
- THE HIGH CONDENSATE FLOW SWITCHES, OPIS 3-1349 A&B.
WERE FOUND SET AT 33.:?1 AND 33.5 INC~ES CF ltJATER.
THE Ll,MIT I ~J Ti\\OLC: 3. 2.1. IN 32 I NCH ES OF WATER.
SWITCHES DPIS 3-1350 A&B WERE RESET TO 416.5 AND 417.5 INCHES OF WATER.
SWITCHES DPIS 3-1349 A&G WERE RESET TO 29.9 ANO 30.1 INCH~S OF WATER.
PRESENT PLAN ARE TO CHANGE THE AS LEFT SETTINGS ON THESE SWITCHES TO A LOWER, VALUE Ai THE Nt:XT CALIBRATION.
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~vORDEN, SUPER I t.JTENDENT DRESDEN NUCLEAR POWER STATION
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R B TWX 624 USAEC HQS GTWN WU WSH TLXA226 (47)DEA064 KA2'48 K VEC134 PDF TOVE MORRIS ILL 25 1035A CDT I
EDWARD J BLOCH ACTING DIRECTOR DIRECTORATE OF LICENSING
, US ATOMIC EN.ERGY COMM *WASHDC 20545 SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3 THIS WILL CONFIRM THE CONVERSATION WITH MR'~ DANCE OF YOUR OFFICE AT 0915 HOURS THIS DATE cdNCERNING HIGH FLOW SWITCHES ON THE ISOLATION.CONDENSER BEING OUT OF bALIBRATION. ON 9/22/72 A ROUTINE THREE MONTH CALIBRATION WAS ~ERFORMED ON THE 1HIGH FLOW ISOLATION SWITCHES. ALL FOUR SWITCHES SET POINDS WERE FOUND.GREA'TER THAN THE LIMIT IN. TABLE 3.2.l OF THE TECHNICAL
. SPECIFICATIONS. THE HIGH STEAM FLOW SWITCHES, DPIS 3-1350 A&B WERE FOUND SET AT 426.5 AND 345.5 INCHES OF WATER. THE LIMIT IN TABLE.3.2.1 CORRESPONDS TO 425 INCHES 'OF WATER. THE HIGH CONDENSATE FLOW SWITCHES. DPIS ~-1349 A&B WERE FOUND SET AT 33.3 AND 33.5 INCHES OF WATER. THE LIMIT IN *TABLE 3.2.1 IN 32 'INCHES OF WA.TER -
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'"'.'*.;.-:~'?;.::£>'.*'.;;,;.;f::'swITCHES DPIS 3-1350 A'&B WERE 'RES°E'T TO. 416.5 AND 417.5 INCHES OF WATER. SWITCHES POIS 3-1349 A&B WERE RESET TO 2~.9
. AND 30.1 INCHES OF WATER-. PRESENT PLAN ARE TO CHANGE THE AS
- LEFT SETTINGS ON THESE SWITCHES TO A LOWER.VALUE AT THE* NEXT CALIBRATION W P WORDEN SUPT DRESDEN 1 NUCLEAR POWER STAT ION 4XX 522PEDT USAEC HQS GTWN
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- z 1972 SEP 25 PM 5 30 USAEC HQS GTWN I
WU WSH J..
TLXA226 C47>DEA064 KA248
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K VEC134 P-DF TOVE MORRIS ILL 25 1035A COT
.EDWARD J BLOCH ACT:ING DIRECTOR, DIRECTORATE OF LICENSIN.G
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- US ATOMIC ENERGY COMM WASHDC 20545
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SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3 THIS WILL
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CONFIRM THE CONVERSATION WITH MR H DANCE OF' YOUR OFFICE AT I. --
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0915 HOURS ~HIS DATE CONCERNING HIGH FLOW SWITCHES ON THE
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ISOLATION CONDENSER B.EING OUT OF CALIBRATION. ON 9/22/72 A
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~OUTINE TH~EE_MONTH CALIB~ATION _WAS PERFORMED ON THE HIGH FLOW ISOL_ATION SWl'.fCHES* ALL FOUR SWITCHES SET POINDS WERE
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FO_t,JNP. GREATER THAN THE LJMI T IN TABLE 3.*2.* l __ OF THE TECHNICAL
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SPECIF'lCATl'ONS* THE HIGH STEAM FLOW.SW-1-TCHES. DPlS 3*1350
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A&B __ WERE-fO_UND SET'. AT 426. 5 AND 345* 5 INCHES OF WAT.ER*_ THE.,
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L~M_IT IN _TABLE 3.2._1. _CORRES~9NQS TO. 4~5_ JNCHES OF WATER~ THE.
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. }i_~GH GONi;>ENSATE FL,OW SWI,i'CHES* DPI$ 3-1349 A&B WERE FOl)NO 'sET
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AT_33~~ AND 33~5 INCHES OF WATER*
THE-LlMtT*I~ TABLE 3~2.t IN ~2 JNCHES OF WATER
,SWJTGHES QPIS 3:1350-A&~ WERE RESEr_:TO 416*5_AND 417.S
~NCHES OF_
WAT~.R~ SW!TCHES POIS ~:~~~9 A_&B WERE R_ESET_ TO ~9.9 ANp __ ~~~) ~-~CHES_ CW
~A!~R.,.. _P~~~~*~T PLAN ARE TO ~~~~G~ THE A-S LEf J' SET_TIN~S ON THES~ ~~I TC HES T.O A _LO~-~~ VALU_E ~T THE NEXT G.~-L.J B.RAJ l_()N
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~ WORDEN_ SUPT DRESDEN Nl)CLEAR POWER STATlON 0
4XX __ 522PEOT U_SAEC H~S.GTWN
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