ML19329A333
| ML19329A333 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 12/09/1974 |
| From: | Chandler L US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Ross D US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 8001020909 | |
| Download: ML19329A333 (2) | |
Text
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D. F. Ross, Chief, Core Perfonnance Branch, L i
P. S. Check, Section Leader, CPB, L THRU:
CONVERSATION WITli B&W CONCERNING THE ADEQU This memo is being written to document the conversations of L. R. Chan with B&W personnel concerning the adequacy of the Oconee 1 reload repo telephone conversation between Mallay and Stello).
j (re:
The earliest knowledge I had of the use of a special LOCA curve (i.e., not the FAC LOCA generic curve) for the Oconee 1 reload calculations and Technical Specifications was about 4:00 pm on Tuesday, December 3,19 Jerry Mazetis told Walt Baooks and myself about the use of curve at that time.of this curve was made to Bill Brunson of B&W in a te at 10:00 am on Wednesday, December 4,1974.
k y comment to Brunson in this conversation with Brunson and did not ma e an concerning the adequacy of the Oconee 1 reload report except to state that we were not aware of the use of the special L 2
reportaadd Tech Specs in October 1974.
rejection of the eeload report because of the use of the scecial LOCA c In the same telephone conversation, Brunson explained that the special LOCA curve was detennined from the cxact properties of the Oconee 1 re j
fuel (vs. the properties of the normally used generic fuel) so that the
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We also Oconee 1 cycle 2 would not be limited to 93% of rated p j
We told Brunson limit curve to decide whether or not it was acceptable.tha We said that we would notify i
and discussed what we might do about it.
hdm when we had a decision from Mazetis.
The only other conversation I had with B&W perso 3
This was a brief This conversation involved Bill Brunson of B&W and me.
conversation in which I told Brunson that we (Reactor Safety, expecially l
V Mazetis) okayed the use of the special LOCA cueee for the Oconee 1 r I did not make and that we would handle our documentation accordingly.This was the last any soment to him concerning the reload report.
conversttion I had with BEW.
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l Very fsw people in Regulatory know of.the use of the special LOCA limit -
l curve for the Oconee 1 reload because we have been aware of its use only It is most probable that B&W's sinceTuesdayafternoon(December 3).
misconception concerning remarks I may hsve made was caused by some o AEC person who miscontued ny remarks and passet this on to B&W licen personnel.
'We subsequentially learned from BtW on Friday, Dec Jerry Mazetis has evaluated the LOCA curve (different from the one he previously evaluated) used for the Oconee 1 reload and has f
is not acceptable. reload, and B&W (Brunson) is currently detemining the Te I
needed for coneurrence with Mazetis' LOCA limit curve.
This incident can be used to show B&w that it had be X
L. R. Chandler Core Performance Branch Directorate of Licensing cc:
V. Stello T. Novak i
P. Ebeck W. Brooks J. Mazetis I
L. Chandler I
i Distribution:
Central Files CPB Reading L Reading A AA b
sb OF F tC.W
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