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h                                   h                               i Proposed Change No. 63 YANKEE ATOMIC ELECTRIC COMPANY y
h h
441 STUART STREET, BOSTON MASSACHUSETTS 0216 April 11,1968
i Proposed Change No. 63 YANKEE ATOMIC ELECTRIC COMPANY y
[f N
441 STUART STREET, BOSTON MASSACHUSETTS 0216
                                                                                                      ,s Jr United States Atomic Energy Commission Washington, D. C.                   205h5                                       %
[f April 11,1968 N
y,   4 Attention: DLvision of Reactor Licensing                                         $        -
,sJr United States Atomic Energy Commission Washington, D. C.
205h5 y,
4 Attention: DLvision of Reactor Licensing


==Reference:==
==Reference:==
Line 30: Line 32:


==Dear Sirs:==
==Dear Sirs:==
Parsuant to Section 50-29 of the Commission's Regulations, Yankee Atomic Electric Company hereby requests authorization to make the following change:
Parsuant to Section 50-29 of the Commission's Regulations, Yankee Atomic Electric Company hereby requests authorization to make the following change:
PROPOSED CHANGE:     Reference is made to Section 107 of the license application, Core Instrumentation. We propose to install up to four stationary stainless steel clad miniature fission chambers in flux wire paths that are presantly inoperable.
PROPOSED CHANGE:
Number of detectors:                     up to h Size:                                   0.090" or 0.072" diameter 2.25" sealed units Enrichment:
Reference is made to Section 107 of the license application, Core Instrumentation. We propose to install up to four stationary stainless steel clad miniature fission chambers in flux wire paths that are presantly inoperable.
more than 90% in U235 Weight of fissionable material:         less than 2 mg per detector Reason for Change: Several paths, either due to tube damage or obstructions, are inoperable in the present flux wire system.       In an attempt to obtain response,and lifetime information on recently developed miniature, fission
Number of detectors:
,                              chambers, we propose to install up to'four of these detectors in the inoperable paths of the existing system. The detectors would be in a fixed position at approximately mid-core.                                                   l l
up to h Size:
0.090" or 0.072" diameter 2.25" sealed units Enrichment:
more than 90% in U235 Weight of fissionable material:
less than 2 mg per detector Reason for Change: Several paths, either due to tube damage or obstructions, are inoperable in the present flux wire system.
In an attempt to obtain response,and lifetime information on recently developed miniature, fission chambers, we propose to install up to'four of these detectors in the inoperable paths of the existing system. The detectors would be in a fixed position at approximately mid-core.
There is considerable interest to the nuclear industry in the information that could be generated from the installation of these detectors in an operating reactor. Future designs and installations could greatly be improved.
There is considerable interest to the nuclear industry in the information that could be generated from the installation of these detectors in an operating reactor. Future designs and installations could greatly be improved.
Safety Considerations: In our opinion, the proposed change does not           ,
Safety Considerations: In our opinion, the proposed change does not present significant hazard considerations not described or implicit in the license application, as amended to August 2, 1967, the date of issuance of Amendment No. 52 to the License No. DPR-3 or as amended to th3 date hereof. @
present significant hazard considerations not described or implicit in the license application, as amended to August 2, 1967, the date of issuance of Amendment No. 52 to the License No. DPR-3 or as amended to th3   date hereof. @
801124,0
801124,0                                                                   ,


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                                'yt U. S.: Atomic Energy. Commission                           Proposed Change No. 83 Attn: Division of Reactor Licensing '                     April 11, 196d The proposed change requires authorization by the Commission pur-suant to Section 50-29 of the Commission's Regulations, since it involves a change in the design specifications of the reactor which are set forth   ,
'yt V U. S.: Atomic Energy. Commission Proposed Change No. 83 Attn: Division of Reactor Licensing '
in the license application and incorporated by reference in the technical specifications (see paragraph B.2 of Appendix A to License No. IFR-3).
April 11, 196d The proposed change requires authorization by the Commission pur-suant to Section 50-29 of the Commission's Regulations, since it involves a change in the design specifications of the reactor which are set forth in the license application and incorporated by reference in the technical specifications (see paragraph B.2 of Appendix A to License No. IFR-3).
              . Scheduling of Change: The change will be made during the present refueling currently on progress.
. Scheduling of Change: The change will be made during the present refueling currently on progress.
Respectfully submitX YANKEE ATOMIC ELEC'i     UdPANY kA,vtAs L. E. Minnick Vice President Commonwealth of Massachusetts April 11,1968 Suffolk, ss Then personally appeared before me Lawrence E. Minnick, who, being duly sworn, did state that he is a Vice President of Yankee Atomic nectric Company, that he is duly authorized to execute and file the foregoing request in the name and on behalf of Yankee Atomic Hectric Company, and that the statements therein are true to the best of his knowledge and belief.
Respectfully submitX YANKEE ATOMIC ELEC'i UdPANY kA,vtAs L. E. Minnick Vice President Commonwealth of Massachusetts April 11,1968 Suffolk, ss Then personally appeared before me Lawrence E. Minnick, who, being duly sworn, did state that he is a Vice President of Yankee Atomic nectric Company, that he is duly authorized to execute and file the foregoing request in the name and on behalf of Yankee Atomic Hectric Company, and that the statements therein are true to the best of his knowledge and belief.
(     ,  .
(
A hotary Public Johry7. Mack My 06mmission Expires Jan. 31, 1975 1
A Johry7. Mack hotary Public My 06mmission Expires Jan. 31, 1975 1


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Latest revision as of 11:21, 11 December 2024

Submits Proposed Change 83 to Tech Specs,Authorizing Installation of Four Experimental Stationary Stainless Steel Clad Miniature Fission Chambers in Flux Wire Paths Presently Inoperable in Reactor
ML20148J524
Person / Time
Site: Yankee Rowe
Issue date: 04/11/1968
From: Minnick L
YANKEE ATOMIC ELECTRIC CO.
To:
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20148J523 List:
References
NUDOCS 8011240242
Download: ML20148J524 (4)
v • d • e


Text

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i Proposed Change No. 63 YANKEE ATOMIC ELECTRIC COMPANY y

441 STUART STREET, BOSTON MASSACHUSETTS 0216

[f April 11,1968 N

,sJr United States Atomic Energy Commission Washington, D. C.

205h5 y,

4 Attention: DLvision of Reactor Licensing

Reference:

License No. DPR-3 (Docket No. 50-29) f

Dear Sirs:

Parsuant to Section 50-29 of the Commission's Regulations, Yankee Atomic Electric Company hereby requests authorization to make the following change:

PROPOSED CHANGE:

Reference is made to Section 107 of the license application, Core Instrumentation. We propose to install up to four stationary stainless steel clad miniature fission chambers in flux wire paths that are presantly inoperable.

Number of detectors:

up to h Size:

0.090" or 0.072" diameter 2.25" sealed units Enrichment:

more than 90% in U235 Weight of fissionable material:

less than 2 mg per detector Reason for Change: Several paths, either due to tube damage or obstructions, are inoperable in the present flux wire system.

In an attempt to obtain response,and lifetime information on recently developed miniature, fission chambers, we propose to install up to'four of these detectors in the inoperable paths of the existing system. The detectors would be in a fixed position at approximately mid-core.

There is considerable interest to the nuclear industry in the information that could be generated from the installation of these detectors in an operating reactor. Future designs and installations could greatly be improved.

Safety Considerations: In our opinion, the proposed change does not present significant hazard considerations not described or implicit in the license application, as amended to August 2, 1967, the date of issuance of Amendment No. 52 to the License No. DPR-3 or as amended to th3 date hereof. @

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'yt V U. S.: Atomic Energy. Commission Proposed Change No. 83 Attn: Division of Reactor Licensing '

April 11, 196d The proposed change requires authorization by the Commission pur-suant to Section 50-29 of the Commission's Regulations, since it involves a change in the design specifications of the reactor which are set forth in the license application and incorporated by reference in the technical specifications (see paragraph B.2 of Appendix A to License No. IFR-3).

. Scheduling of Change: The change will be made during the present refueling currently on progress.

Respectfully submitX YANKEE ATOMIC ELEC'i UdPANY kA,vtAs L. E. Minnick Vice President Commonwealth of Massachusetts April 11,1968 Suffolk, ss Then personally appeared before me Lawrence E. Minnick, who, being duly sworn, did state that he is a Vice President of Yankee Atomic nectric Company, that he is duly authorized to execute and file the foregoing request in the name and on behalf of Yankee Atomic Hectric Company, and that the statements therein are true to the best of his knowledge and belief.

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