ML20126E342

Submits Addl Info Re Proposed Change 10 to Tech Specs Per 660729 Request,Including Time Constant Vs Fuel Energy Content Relationship Used in Previous Calculations

ML20126E342
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	09/26/1966
From:	Haueter R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Morris P, James Shea US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8101190539
Download: ML20126E342 (2)

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10 - DR. PETER A. MORRIS' DIRECTOR.

DIVISION OF REACTOR LICENSING, UNITED STATES ATCMIC ENERGY COMMISSION VASHINGTON* D.C. (  %

\N ATTENTION - MR. JAMES SHEA -

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L IN RESPONSE TO QUESTIONS FROM MR. JAMES SMEA IN A RECENT

, . TELEPHONE CONVERSATION RELATIVE TO PROPOSED CHANGE NO.10' DATED '

JULY E9' 1966' FOR CUR BIG ROCK POINT NUCLEAR PLANT' LICENSE No. DPR-6' DOCKET $0-155 - THE FOLLOWING ADDITIONAL INFORMATION IS '

SUBMITTED -

t U 1. THE TIME CONSTANT VERSUS FUEL AMERGY CONTENT RELATIONSHIP USED IN THE PREVIOUSLY SUBMITTED CALCULATIONS IS AS FOLLOWS -

t FUEL ENTNALPY A iTIME CONSTANT 1 CAL /GM * ,s s, SECCNDS

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-p 1.0 200

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1. - 500 O.075, 400 .. k'

, 8.042 h N L 500 ,1. 0.024 -

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2. FROM AWL PELLET FUEL YESTS CER-206 AND 20$' A MINIMDM OVERALL

! TIME CONSTANT - AT FUEL ENTMALPY OF 425 CAL /0M - 0F 0.260 SECOND e >

MAS BEEN CALCULATED AS COMPAFED TO 0.0$0 SECOND FOR POVDER FUEL..

l-TNIS LONGER TIME CONSTANT FOR PELLETS VOULD DECREASE THE RATE OF

- NEAT TRANSFER AND MENCE THE PRESSURE RISE' THEREBY DECREASING THE e PR08ABLE CONSEGUENCES SF THE ASSUMED ACCIDENT. ,

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s g. DATE OF DOCUMENTS DATE RECEIVED: NO.

N M8 9-27 66 2743

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(R. L. Emmeter) OTHER:

ORIG.s CC TO' 2 13 gra. reproduced 1

, g,.. Morris ACTION NECESS ARY C CONCURRENCE D D ATE ANSWERED: l COMMENT O sY f , NO ACTION NECESS ARY O l

POST OFFICE FILE CODER CLASSIFICATION:

$ REG.NO.s MM8 k lhh DATE DATE RECEIVED BY .

DE S CRI FTION : (MuST BE UNCLASSIFisD) REFERRED TO T A res,==d tN to gusations fama Mr. J.

Absa in a recent teleoon relative to Bords 9-27 Chan,;e #10 (proposed) to Lic. DF84... gall extras - M* ATIG re time sonstant versus ftaal energy son-

' ENCLOSURES:

' tent relatioachip; pellet feel tests..... g %g , w vi.co ar.

JD TT EMOVE REMARxS: M & has 1-..p31 . fu. . . 1.<.c )

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