ML20147C306
| ML20147C306 | |
| Person / Time | |
|---|---|
| Site: | 07001308 |
| Issue date: | 10/24/1978 |
| From: | Libby R Battelle Memorial Institute, PACIFIC NORTHWEST NATION |
| To: | Robin Barnes GENERAL ELECTRIC CO. |
| Shared Package | |
| ML20147C295 | List: |
| References | |
| NUDOCS 7812180227 | |
| Download: ML20147C306 (2) | |
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OBaHelle Pacific Northwest Laboratories P.O. Box 999 Richland, Washington 99352 Teiephone (So9i 942-0855 Telex 324345 j
October 24, 1978 Mr. R. G. Barnes, Manager Technical Development General Electric Uranium Management Corporation Mail Code 858 175 Curtner Avenue San Jose, CA 95125
Dear Bob:
Subject:
Evaluation of Extension of Lacrosse BWR Fuel Bundles from Storage Basket This letter confirms our telephone conversation of yesterday. The
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calculation requested in your letter to C. L. Brown has been completed.
The KENO-II model consisted of:
Lacrosse BWR Fuel (k. = 1.3519) 3.925 wt% 2350 0.565 in, rod. pitch 10 x 10 rod bundles 9 bundle array (3 x 3) 8.625 in. c-c spacing between bundles in horizontal direction 7.625 in s -
spacing between bundles in vertical direction At least 6 in, of water reflecting array Bundles infinitely tall Note that the stainless steel pipes and basket were not included in the model. The calculation gave a keff of keff = 0.923 i 0.007.
A standard QA check-off sheet is attached.
Please call if you need additional calculations or have any questions.
R. A. Libby Sr. Criticality Safety Specialist RAL/ par
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Enclosure
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e Concunence yton E. D. Clayton f File /Lb r
Associate Manager g9Q]
Nuclear Analysis
1 ATTACHMENT:
QA Checks KEN 0 Correct Adequate k
Task Options Mixtures Geometry Histories eff Lacrosse Fuel
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Extension from basket QA by RI Scherpelz
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