ML18136A274: Difference between revisions
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VIRGINIA ELECTRIC .A.ND POWER COMPANY RIOHMOND, VIRGINIA 23261 | VIRGINIA ELECTRIC .A.ND POWER COMPANY RIOHMOND, VIRGINIA 23261 December 4, 1979 Mr. Harold R. Denton, Director Serial No. 920/102979 Office of Nuclear Reactor Regulation PO/FHT:baw Attn: Mr. A. Schwencer, Chief Docket Nos: 50-280 Operating Reactors Branch #1 50-281 Division of Operating Reactors License Nos: DPR-32 U. S. Nuclear Regulatory Commission DPR-37 Washington, D. C. 20555 | ||
==Dear Mr. Denton:== | ==Dear Mr. Denton:== | ||
Revision as of 01:46, 3 February 2020
| ML18136A274 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 12/04/1979 |
| From: | Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Harold Denton, Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| 920-102979, NUDOCS 7912100302 | |
| Download: ML18136A274 (1) | |
Text
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VIRGINIA ELECTRIC .A.ND POWER COMPANY RIOHMOND, VIRGINIA 23261 December 4, 1979 Mr. Harold R. Denton, Director Serial No. 920/102979 Office of Nuclear Reactor Regulation PO/FHT:baw Attn: Mr. A. Schwencer, Chief Docket Nos: 50-280 Operating Reactors Branch #1 50-281 Division of Operating Reactors License Nos: DPR-32 U. S. Nuclear Regulatory Commission DPR-37 Washington, D. C. 20555
Dear Mr. Denton:
SURRY POWER STATION UNITS 1 AND 2 CONTROL ROD POSITION INDICATION SYSTEMS In response to your letter of October 29, 1979, on the above subject, we have reviewed our present Technical Specification surveillance require-ments. Our present Technical Specifications specify that rod-out-of-alignment action is to be taken if a control rod is more than 15 inches out of alignment with its bank. The surveillance procedures in effect at Surry Power Station currently require corrective action when the rod position indication reaches or exceeds 12 steps difference. Thus compliance with the requirement for alignment within 15 inches has been maintained. .
As requested in your letter, a change to the Technical Specifications is being prepared to ensure that the control rods are required to be maintained within.:!:. 12 steps from the group step counter demand position. This change will eliminate any ambiguity in interpreting the requirement to maintain the control rod positions within.:!:. 12 steps.
If you have any questions or require additional information, please contact this office.
Very truly yours, JIJ/\ r, '
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C. M. Stallings Vice President-Power Supply and Production Operations cc: Mr. James P. O'Reilly Office of Inspection and Enforcement Region II Aool s
79121003{)~ 1/0