ML19260E270

From kanterella
Jump to navigation Jump to search
Responds to IE Bulletin 79-24, Frozen Lines. Unit 2 Refueling Water Tank Overflow Line Is Not Possible Freeze Hazard.No Mods Will Be Made to Overflow Line for Freeze Protection Purposes
ML19260E270
Person / Time
Site: Arkansas Nuclear  Entergy icon.png
Issue date: 01/14/1980
From: Trimble D
ARKANSAS POWER & LIGHT CO.
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
IEB-79-24, NUDOCS 8002140521
Download: ML19260E270 (2)


Text

-

' bcc to DAC:ADM:

CENTRAL FILES

. . PDR:HQ LPOR M

NSIC ARKANSAS POWER & LIGHT COMPANY STATE POST OFFICE BOX 551 UTTLE ROCK, ARKANSAS 72203 (501) 371-4000 January 14, 1980 1-010-13 2-010-11 Mr. K. V. Seyfrit, Director Office sf Inspection & Enforcement U. S. Nuclear Regulatory Comm.

Region IV 611 Ryan Pla:a Drive, Suite 1000 Arlington, Texas 76011

Subject:

Arkansss Nuclear One - Units 1 and 2 Docket Nos. 50-313 and 50-368 License Nos. DPR-51 and NPF-6 Subsequent Information to I E Bulletin 79-24 (File: 1510.1 and 2-1510.1)

Gentlemen:

In our response to I E Bulletin 79-24, dated October 31, 1979, we identified the Arkansas Nuclear One-Unit 2 refueling water tank overflow line as being a possible freeze ha:ard. Subsequent evaluation has revealed that this is not the case. The overflow line in question is adequately protected from free:ing for the following reasons:

1) The temperature of the water in the tank is maintained above 70 F.
2) There is no water in the overflow line unless the tank is over-filled.
3) The overflow line is 13 inches in diameter.

Thus, no modifications will be made to the overflow line for freeze protection purpos es .

Very truly yours, 0L69 f Sn David C. Trimble Manager, Licensing DCT:DEJ:bjm gg 4

1-010-13 2-010-11 Mr. K. V. Seyfrit, Director January 14, 1980 cc: Mr. W. D. Johnson U. S. Nuclear Regulatory Commission P. O. Box 2090 Russel.1ville, Arkansas 72801 Mr. Victor Stello, Jr., Director Office of Inspection S Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555

.