ML19209A796: Difference between revisions
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DRESDEN UNIT 2 STARTUP TEST No. 2 CONTROL ROD OPERABILITY AND SUBCRITICAL CHECK PURPOSE The purpose of this test is to assure that no gross large local reacti-vity irregularities exist and that all control rods are functioning properly. | DRESDEN UNIT 2 STARTUP TEST No. 2 CONTROL ROD OPERABILITY AND SUBCRITICAL CHECK PURPOSE The purpose of this test is to assure that no gross large local reacti-vity irregularities exist and that all control rods are functioning properly. | ||
CFITinfA | CFITinfA | ||
Revision as of 05:36, 2 February 2020
| ML19209A796 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 09/25/1979 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML17174A048 | List: |
| References | |
| NUDOCS 7910050405 | |
| Download: ML19209A796 (1) | |
Text
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DRESDEN UNIT 2 STARTUP TEST No. 2 CONTROL ROD OPERABILITY AND SUBCRITICAL CHECK PURPOSE The purpose of this test is to assure that no gross large local reacti-vity irregularities exist and that all control rods are functioning properly.
CFITinfA
- 1) Each control rod will be withdrawn after the fcur fuel bundles surrounding the given control rod are loaded. This will in-sure that the mobility of the control rod is not impaired.
- 2) After the core is fully loaded, each control will be withdrawn and inserted one at a time to assure that criticality will not occur due to the withdrawal of a single rod. Nuclear instru-mentation will be monitored during the movement of each control rod to verify subcriticality.
RESULTS AND DISCUSSION Each control rod was withdrawn after the four fuel bundles surround-ing the given control rod were loadad. Control rod mobility was assured.
After the core was loaded, each control rod was withdrawn and in-serted one at a time. The Source Range Monitors were monitored during the movement of each rod and subcriticality was verified.
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