ML19345A692
| ML19345A692 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 09/04/1974 |
| From: | Heider L YANKEE ATOMIC ELECTRIC CO. |
| To: | US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| WYR-74-19, NUDOCS 8011240568 | |
| Download: ML19345A692 (2) | |
Text
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Telephone 617 366-9011 rwr 4NKEE ATOMIC ELECTRIC COMPANY 7tC - 3 90-0 73 9
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, YANKEE 20 Turnpoke Road Westborough, Massachusetts 01581 w
September 4, 1974
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REGULATORY DOCIETFER COPY;
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United States Atomic Energy Co= mission Washington, D. C.
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Attention:
Directorate of Licensing
Reference:
a) License No. DPR-3 (Docket No. 50-29)
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b)
Proposed Change No. 106 dated February 5, 1973.
c)
USAEC Change No. 106 dated March 30, 1973.
Dear Sir:
This letter is written to provide you with the results of our data evaluation relative to the control rod surveillance program conducted during Core X operation and to outline the control rod surveillence program for Core XI and all future cores.
In Proposed Change No. 106 dated February 5, 1973 a preoperational and operational inspection and surveillance program for Core X was out-lin d, approved by the AEC and adhered to (which included forwarding all the data to the AEC).
The data from this program has been reviewed in detail.
No unusual or abnormal conditions were noted.
During the recent Core X - X1 refueling outage, inspections of the low:r shroud (including the bolting) were conducted utilizing underwater television and binoculars.
No unusual or abnormal conditions were observed.
Prior to the startup of Core II the following preoperational control red surveillance program was successfully completed.
A.
COLD (approximately 250 F and 4 main coolant pumps
[t I '
operating)
Each control rod was exercised from
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0" to 90" and 90" to 0".
Thenoneroddroptimewas/f
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'eQ measured for each control rod.
9 F'
7 B.
HOT (approximately 525 F and 4 main coolant pu=ps l:
d o
operating)
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Each control rod was exercised from 6
0" to 90" and 90" to 0".
Thenoneroddroptimewas\\f
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measured for each control rod.
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_g 80.11240 fg S w
AEC DT lT70'; FOR PA7T 50 DOCKOT PA" TAL (I.'.P OR.' '. FC TO')
CC: TROL NO:
9286
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V " w a w u u 6 DATsCCF DCC DATE REC'D LTR TWX RPT O rliER Yankee Atomic Electric Co Westborough, MA LHHeider 9-4-74 9-9-74 X
To:
ORIG CC OTHER SENT AEC PER XXX Directorate of Licensing 3 signed 37 CLASS USCLASS PROP INFO INPUT NO CU REC'D DOCKET NO:
XXX 40 50-29 DESCRII' TION :
ENCLOSi!RES :
Ltr re proposed change #106 of 2-5-74 &
Q USAEC Change #106 of 3-30-74 providing results Qh of data evaluation relative to the control Qh rod surveillance program.....
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