ML18139B496
| ML18139B496 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 08/21/1981 |
| From: | Leasburg R VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Harold Denton, Varga S Office of Nuclear Reactor Regulation |
| References | |
| 510, NUDOCS 8108270207 | |
| Download: ML18139B496 (2) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND., VIRGINIA 23261 R.H.LEASBU:RG VICE PllESIDENT NuCLEA.Jl 0PERATXONS Mr. H.R. Denton, Director Office of Nuclear Reactor Regulation Attn: Mr. Steven A. Varga, Chief Operating Reactors Branch No. 1 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D. C. 20555
Dear Sir:
SURRY POWER STATION August 21, 1981 Serial No. 510 FR/CTS:ceb Docket No.: 50-280 License No.: DPR-32 UNIT 1, CYCLE 6 STARTUP PHYSICS ROD SWAP RESULTS In our letter to you dated January 16, 1981 (Serial No. 023), we stated our intention to submit a test results summary report to the NRC within 45 days after the first use of rod swap for each unit. The control rod reactivity worth testing, using the rod swap technique, was completed on July 8, 1981 for Surry Unit 1, Cycle 6. summarizes the measured rod swap test results, and shows that all measured values were within the established review criteria.
Should you have any questions on these test results, do not hesitate to contact us.
Attachment cc:
Mr. James P. O'Reilly Office of Inspection and Enforcement Region II
ATTACHMENT 1 SURRY UNIT 1, CYCLE 6 MEASURED ROD SWAP REACTIVITY WORTH Reference Bank B
Test Bank D
C A
SB SA Total Measured Worth (pcm) 1440 Measured Worth (pcm) 1234 815 551 1013 1137 6190
-......... ' -...,~,....,... --.---,*,.
Predicted Worth (pcm) 1406 Predicted Worth (pcm) 1226 833 546 1005 1078 6094 Difference
+2.42%
Difference
+o.65%
-2.16%
5 pcm
+o.80%
+5.47%
+1.58%
Review Criteria
+ 10%
Review Criteria
+ 15%
+ 15%
100 pcm
+ 15%
+ 15%
+ 10%