ML20147E344
| ML20147E344 | |
| Person / Time | |
|---|---|
| Issue date: | 12/13/1978 |
| From: | Baer R Office of Nuclear Reactor Regulation |
| To: | Scherer A ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY |
| Shared Package | |
| ML20147E348 | List: |
| References | |
| NUDOCS 7812210045 | |
| Download: ML20147E344 (1) | |
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[TC 1 DIO Mr. A. E. Scherer Licensing Manager (460-4) l Combustion Engineering, Inc.
Nuclear Power Systems Division 1000 Prospect Hill Road Windsor, Connecticut 06095
Dear Mr. Scherer:
SUBJECT:
STAFF EVALUATION 0F CENPD-169-P On August 27, 1975, Combustion Engineering submitted topical report CENPD-169-P, "COLSS - Assessment of the Accuracy of PWR Operating Limits as Determined by the Core Operating Limit Supervisory System" for our review. We have completed our review of CENPD-169-P and our evaluation appears as the Enclosure to this letter.
In summary, we conclude that.CENPD-169-P is an acceptable reference for the methodology used by the core operating limit supervisory system to determine power distributions from incore detectors. In addition we conc'ude that the procedure described in CENPD-169-P for calculs :ing the overall uncertainty in the three dimensional peaking factor (Fg) is acceptable.
Should NRC criteria or regulations change such that our conclusions concerning CENPD-169-P are invalidated, you will be notified and given an opportunity to revise and resubmit your topical report, should you so desire.
It is requested that CENPD-169-P be resubmitted as an approved report and that this approval letter and evaluation be incorporated as part of the document. When CENPD-169-P is referenced in a license appli-cation, the non-proprietary version should also be referenced. We do not intend to repeat our review of this report when it appears as a reference in a particular license application.
Sincerely, 4 D Robert L. Baer, Chief Light Water Reactors Branch No. 1 Division of Project Management
Enclosure:
Evaluation of CENPD-169-P '
78122100N
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