ML18113A847
| ML18113A847 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 02/15/1979 |
| From: | Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Stello V Office of Nuclear Reactor Regulation |
| References | |
| 094, 94, NUDOCS 7902220051 | |
| Download: ML18113A847 (1) | |
Text
e VIRGINIA ELECTRIC.A.ND PowER COMP.A.NY RIOHMO?\\"D, VIRGINIA 23261 February.15, 1979 Serial No.
PO/DLB:scj Docket Nos:
Mr. Victor Stello, Jr., Director Division of Operating Reactors Office of Nuclear Reactor Regulation U. s. Nuclear Regulatory Connnission Washington, D. C.
20555 License Nos:
Dear Mr. Stello:
COOLING WATER TEMPERATURE DIFFERENTIAL 094 50-280 50-281 DPR-32 DPR-37 This letter report is furnished in accordance with the provisions of Surry Power Station Technical Specification 4.14.G.1.
During the period 0845 to 0905 hours0.0105 days <br />0.251 hours <br />0.0015 weeks <br />3.443525e-4 months <br /> on February 2, 1979, the difference between the river water ambient temperature measured at the station high level intake and the cooling water at the discharge control structure exceeded the 15~F permitted in Technical Specification 4.14.A.2 by O.* s*F.
This event was caused by a river temperature change due to weather conditions and is not related to unit power operations.
No corrective actions to prevent recurrence are required.
A search was made for evidence that the temperature differential rate experienced had affected the river or its inhabitants.
No evidence of any detrimental effects were found.
cc:
Mr. James P. O'Reilly 790 2220 D5!
Very truly yours, z:.m.'4~
C. M. Stallings Vice President-Power Supply and Production Operations