ML20148H110

Responds to 720518 Telcon Re Proposed Change 100.Submits Selected Control Rod Time History

ML20148H110
Person / Time
Site:	Yankee Rowe
Issue date:	05/18/1972
From:	Vandenburgh D YANKEE ATOMIC ELECTRIC CO.
To:	US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8011170184
Download: ML20148H110 (4)

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":ITED STATES ATOMIO ENERGY COMMISSION 1972 Wu 18 PM 2 56

'lASHINGTON, D.C U.S. ATOM:C ENERGY (.0MM.

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<o os ATTEt: TION \ DIVI 3 ION OF REACTOR LICENSING c'

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?.EFIRENCE\ LICENSE NO. DPR-3 \ DOCKET 50-29\ 6"

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ro I." RIFLY TO A TELEPHONE CONVERSATION TODAY BETLIEEN YOUR MR. ' BURGER A:': OUR MR. ANDOC:INI, RELATIVE TO PROPOSED CHANGE No.100, YANKEE ATO::I: EL ECT?.I 00::PANY OFFERS THE FOLLOWING INFORMATION\

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1. SELECTED C0!! TROL R0D DROP ~~ME H.ISTORY. ._

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, - 'MAY 27-28, 19' ., ..

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. JUNE 10-11, 19 2 JULY 1-2, 1972 JULY 29-30, 1972 I

AND EVERY FOURTH WEEKEND THEREAFTER.

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IT THE MEASURED CONTROL ROD DROP TIME ON ANY CONTROL ROD INCREASES

BY MORE THAN C.3 SECONDS AS COMPARED TO THE HIGHEST OF THREE START ,

OF CORE LIFE DROP TIMES OR IF THE CONTROL ROD DP0P TIME EXCEEDS 2.4 SECONDS , THE U.S . A.E.C. SHALL BE NOTIFIED n O RESOLUTION 03-TAINED BEFORE RESUMING PLANT OPERATION.

IF THE CONTROL ROD DROP TIMES DO NOT EXCEED THE ChITERIA ESTABLISHED ABOVE AFTER THE JULY 1-2, 1972 MEASUREMENTS, YANKEE ATOMIC ELECTRIC 00::PANY SHALL CONDUCT A DETAILED REVIEW 07 THE DATA AND PROPOSE TO

, T'-:I U.S. A.E.C. h SURVEILLANCE PROGRAM FOR THE REMAINING PORTION OF l H0h'EVER, UNTIL THE PROPOSED REVISED PROGRAM MAS OBTAINED 3 CORE X .

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'.S. A.E.C. APPRO'iAL, THE PLANT SHALL BE TAKEN OFF THE LINE EVERY FOURTF WEEKEND AND ALL CONTROL ROD DROP TIMES SHALL BE MEASURED.

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j RESPECTFULLY SUBMITTED, ll &

D. E. VAND:'NBURGH

}k' I YA::KEE ATOMIC ELECTRIC COMPANY 0' c ]g / =6

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AEC DISTRIBi1 TION .FOR PART . 50...

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.D0%W. MATERIAL

( CE::PORARY FORMQ $

CONTROL NO:

2602 FROMt Yankc.e Atomic Elec. Co.

DATE OF DOC:. DATE REC'D LTR MEMO RPT OTHER Westborough, Mass. 01581 l D.E. Vandenburgh , g )

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TO: CRIG CC OTHER SENT AEC PDR, DRL 1 SENTLOCALPD'R[;

l CLASS: / ?no? I:.?O 1;;PUT NO CYS RE0'D DOCKET NO:

1 50-29 bESCRIPTION: TWX furnishing addl info ENCLOSURES:

to Proposed Change No.100 for Yankee Atomic s Electric Plant.......

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