ML20037B456

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Advises That GE Engineers Will Replace One gadolonia-urania Rod from Each of Two Exposed Type V High Gadolinia Assemblies W/Fresh Available gadolonia-alumina Rods of Type Furnished w/III-F Fuels
ML20037B456
Person / Time
Site: Dresden 
Issue date: 05/07/1967
From: Reder R
COMMONWEALTH EDISON CO.
To: Ziemann D
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8009290554
Download: ML20037B456 (2)


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VU SVP SIA013 RX PDB AX CHICAGO ILL MAY 7 ERPP CDT P ZIEMAN: US ATOMIC ENERGY COMM l

GENERAL ELECTRIC ENGINEERS WILL REPLACE ONE GADOLONIA-URANIA ROD FROM EACH OF TUG EXPOSED TYPE V HIGH GAD 0LINI A ASSEMBLIES WITH FRESH AVAILABLE GAD 0LINIA-ALUMINA RODS OF THE TYPE FURNISHED WITH THE III-F FUELS.

THE ROD INTERCHANGE ARE TO'BE MADE IN THE REGION OF THE NARROW-NARROW WATER GAPS F'AR REMOVED FROM THE CORNER ADJADCENT i

TO CONTROL BLADES.

THESE ASSEMPLIES ;S NOW BEING PREPARED HAVE NUCLE.AR AND l

THEPMAL.HYDRAULIT CHARACTERISTICS INTERMEDIATE BETWEEN TYPES III-F AND V.

BOTH TYPES III-F AND V REACH THEIR PEAK REA CTIVITIES sT 3000 MWDT/T, THE EXPOSURE OF THE TWO MODIFIED TYPE V FUELS.

THE POWER PEAKING FACTORES ARE UNAFFECTED BY THE CHANGE.

DETAILS TO FOLLOW IN SUBMIT FORM

REFERENCE:

D A BOWER CONFIDENTIAL OCTOBER 6 Q0YY LETTER TO DR P.A MORRIS USAEC C,0NTAINING GENERAL ELECTRIC PROPRIETARY INFORMATION R E REDER IXX LICENSE ADMINISTRATOR COMMONVEALTH EDISON l

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