ML19326E052: Difference between revisions
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SPECIAL REPORT 80-2 MODERATOR TEMPERATURE COEFFICIENT The al)-control rods out, beginning of life, moderator temperature coeffi-cient (!!TC) was determined on July 6,1980 to be 0.85 x 10-5 delta k/k/0F. | SPECIAL REPORT 80-2 MODERATOR TEMPERATURE COEFFICIENT The al)-control rods out, beginning of life, moderator temperature coeffi-cient (!!TC) was determined on July 6,1980 to be 0.85 x 10-5 delta k/k/0F. | ||
This does not meet the criteria of less positive than 0 delta k/k/cy established in the Sequoyah Nuclear Plant Unit 1 Technical Specifications. | This does not meet the criteria of less positive than 0 delta k/k/cy established in the Sequoyah Nuclear Plant Unit 1 Technical Specifications. | ||
Line 24: | Line 23: | ||
FEU. | FEU. | ||
This report is submitted in accordance with Technical Specification 6.9.2 and 3.1.1.3 Action a. | This report is submitted in accordance with Technical Specification 6.9.2 and 3.1.1.3 Action a. | ||
Attachment | Attachment 800725 0k | ||
800725 0k | |||
SQ:;? | |||
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Revision as of 23:58, 31 January 2020
ML19326E052 | |
Person / Time | |
---|---|
Site: | Sequoyah ![]() |
Issue date: | 07/15/1980 |
From: | TENNESSEE VALLEY AUTHORITY |
To: | |
Shared Package | |
ML19326E026 | List: |
References | |
NUDOCS 8007250499 | |
Download: ML19326E052 (2) | |
Text
o e
SPECIAL REPORT 80-2 MODERATOR TEMPERATURE COEFFICIENT The al)-control rods out, beginning of life, moderator temperature coeffi-cient (!!TC) was determined on July 6,1980 to be 0.85 x 10-5 delta k/k/0F.
This does not meet the criteria of less positive than 0 delta k/k/cy established in the Sequoyah Nuclear Plant Unit 1 Technical Specifications.
Control red withdrawd limits (See attached) have been determined. A conservatism of 1 x 10-5 delta k/k/ F has been included in the limits to ensure that the reactor is not operated with a positive MTC. The predicted burnup at which the MTC will be restored to within its limit is 1000 MWD /
FEU.
This report is submitted in accordance with Technical Specification 6.9.2 and 3.1.1.3 Action a.
Attachment 800725 0k
SQ:;?
a R T -28 C~. "
_ L- -
--+
. 4_. _-~. a p._~.._.__....
-. a.. F1gure A.28 . . - . - -
p.~~ _ _._, _ t u...._
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r_. ._. .._. . _ , . . .. _. .. ._ .
r . ._. . .. . . . _ . . . _ . . .. -
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