NSD-NRC-96-4781, Forwards Westinghouse Summary T/H Uncertainty Resolution Process for AP600 Passive Sys Reliability: Difference between revisions

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Westinghouse               Energy Systems                                       Box 355 Eleetric Corporation                                                           Pittsburgh Pennsylvania 15230-0355 NSD-NRC-96-4781 3-                                                                                 DCP/NRC0561
Westinghouse Energy Systems Box 355 Eleetric Corporation Pittsburgh Pennsylvania 15230-0355 NSD-NRC-96-4781 3 -
;'                                                                                  Docket No.: STN-52-003                         :
DCP/NRC0561 Docket No.: STN-52-003 i
I i
i July 29,1996 j
i                                                                                   July 29,1996                                   l j         Document Control Desk                                                                                                   ;
Document Control Desk U.S. Nuclear Regulatory Commission e
e          U.S. Nuclear Regulatory Commission                                                                                       l Washington, D.C. 20555 ATTENTION:               T.R. QUAY
Washington, D.C. 20555 ATTENTION:
:                                                                                                                                  a
T.R. QUAY a


==SUBJECT:==
==SUBJECT:==
T-Il UNCERTAINTY RESOLUTION PROCESS FOR AP600 PASSIVE
T-Il UNCERTAINTY RESOLUTION PROCESS FOR AP600 PASSIVE SYSTEM RELIABILITY i
;                                  SYSTEM RELIABILITY i


==Dear Mr. Quay:==
==Dear Mr. Quay:==
i Enclosed please find the Westinghouse summary "T/H Uncertainty Resolution Process for AP600 Passive System Reliability." This enclosure is in response to the NRC Technical Staff request that Westinghouse provide a written summary of what will be discussed at the next thermal-hydraulic uncertainty meeting. By allowing the staff to study information that will be presented, the staff will be in a position to provide detailed comments on the resolution plan.
Westinghouse and the NRC will meet on August 7,1996 to continue discussions on the T-H uncertainty resolution process. Prior to this meeting, the staff should review the enclosed material.
i At the meeting, we will discuss the process Westinghouse is pursuing to resolve this issue, and to obtain feedback from the staff on the enclosed material. Westinghouse is working on the activities as they are spelled out in the enclosure. Feedback from the staff at the August 7 meeting is essential to appropriately expend resources and maintain momentum on the path to resolving this issue,
.e Please contact Cynthia L. Haag on (412) 374-4277 if you have any questions concerning this j
transmittal.
i 0nkk 6 h
Brian A. McIntyre Manager Advanced Plant Safety and Licensing
/nja j
Enclosure cc:
B. Huffman, NRC
)
B. Grimes, NRC N. Liparuto, Westinghouse
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i          Enclosed please find the Westinghouse summary "T/H Uncertainty Resolution Process for AP600                            ,
6 o.
Passive System Reliability." This enclosure is in response to the NRC Technical Staff request that Westinghouse provide a written summary of what will be discussed at the next thermal-hydraulic uncertainty meeting. By allowing the staff to study information that will be presented, the staff will be in a position to provide detailed comments on the resolution plan.
. to Westinghouse Letter NSD-NRC-96-4781 July 29,1996 i
Westinghouse and the NRC will meet on August 7,1996 to continue discussions on the T-H
;          uncertainty resolution process. Prior to this meeting, the staff should review the enclosed material.                  i At the meeting, we will discuss the process Westinghouse is pursuing to resolve this issue, and to obtain feedback from the staff on the enclosed material. Westinghouse is working on the activities as they are spelled out in the enclosure. Feedback from the staff at the August 7 meeting is essential to                  ,
appropriately expend resources and maintain momentum on the path to resolving this issue,
.e Please contact Cynthia L. Haag on (412) 374-4277 if you have any questions concerning this                              j transmittal.                                                                                                            i 0nkk 6 Brian A. McIntyre Manager h
Advanced Plant Safety and Licensing
          /nja                                                                                                                    j l
Enclosure                                                                                                              l cc:    B. Huffman, NRC                                                                                                )
B. Grimes, NRC N. Liparuto, Westinghouse m                                                                                                        [d      (
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Enclosure 1 to Westinghouse Letter NSD-NRC-96-4781 July 29,1996 i
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Latest revision as of 22:38, 12 December 2024

Forwards Westinghouse Summary T/H Uncertainty Resolution Process for AP600 Passive Sys Reliability
ML20116E212
Person / Time
Site: 05200003
Issue date: 07/29/1996
From: Mcintyre B
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To: Quay T
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20116E214 List:
References
NSD-NRC-96-4781, NUDOCS 9608050149
Download: ML20116E212 (2)
v • d • e


Text

l

.b,

Westinghouse Energy Systems Box 355 Eleetric Corporation Pittsburgh Pennsylvania 15230-0355 NSD-NRC-96-4781 3 -

DCP/NRC0561 Docket No.: STN-52-003 i

i July 29,1996 j

Document Control Desk U.S. Nuclear Regulatory Commission e

Washington, D.C. 20555 ATTENTION:

T.R. QUAY a

SUBJECT:

T-Il UNCERTAINTY RESOLUTION PROCESS FOR AP600 PASSIVE SYSTEM RELIABILITY i

Dear Mr. Quay:

i Enclosed please find the Westinghouse summary "T/H Uncertainty Resolution Process for AP600 Passive System Reliability." This enclosure is in response to the NRC Technical Staff request that Westinghouse provide a written summary of what will be discussed at the next thermal-hydraulic uncertainty meeting. By allowing the staff to study information that will be presented, the staff will be in a position to provide detailed comments on the resolution plan.

Westinghouse and the NRC will meet on August 7,1996 to continue discussions on the T-H uncertainty resolution process. Prior to this meeting, the staff should review the enclosed material.

i At the meeting, we will discuss the process Westinghouse is pursuing to resolve this issue, and to obtain feedback from the staff on the enclosed material. Westinghouse is working on the activities as they are spelled out in the enclosure. Feedback from the staff at the August 7 meeting is essential to appropriately expend resources and maintain momentum on the path to resolving this issue,

.e Please contact Cynthia L. Haag on (412) 374-4277 if you have any questions concerning this j

transmittal.

i 0nkk 6 h

Brian A. McIntyre Manager Advanced Plant Safety and Licensing

/nja j

Enclosure cc:

B. Huffman, NRC

)

B. Grimes, NRC N. Liparuto, Westinghouse

[d

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m 9608050149 960729 PDR ADOCK 05200003 1

A PDR

6 o.

. to Westinghouse Letter NSD-NRC-96-4781 July 29,1996 i

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