ML20069A724

Central Emergency Control Ctr Meteorological Data Statistics for Oct-Dec 1982,reported Per Util Commitment to NUREG-0737, Item III.A.2.1

ML20069A724
Person / Time
Site:	Browns Ferry, Sequoyah, 05000000
Issue date:	03/09/1983
From:	Mills L TENNESSEE VALLEY AUTHORITY
To:	Harold Denton Office of Nuclear Reactor Regulation
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-3.A.2.1, TASK-TM NUDOCS 8303160216
Download: ML20069A724 (2)

Text

- .- - .. _.

TENNESSEE VALLEY AUTHORITY 4

cWo6'6#es%tst'EreefYoies II March 9, 1983 Mr. Harold R. Denton, Director i

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission

] Washington, D.C. 20555 j

Dear Mr. Denton:

?

f In the Matter of the ) Docket Nos. 50-327

)

Tennessee Valley Authority ) 50-328 50-259 50-260 i 50-296 1

! In response to item III.A.2 of NUREG-0737, and by my letter to you dated l December 30, 1981, TVA has cossnitted to report data availability for eacn j

Central Emergency Control Center (CECC) reteorological data collection system for the Browns Ferry and Sequoyah Operating Nuclear Plants.

Below are the CECC meteorological data availability statistics covering the period October 1 through December 31, 1982. These fjgures are an end-to-end assessment of the Environmental Data Station (EDS) data collection, transmission, reception, and subsequent storage in the CECC computer system. Allowances were not made for outages of the EDS computer systems and downtime of the Bell-leased lines, Hardware and software enhancements that monitor the meteorological data received by the CECC 4

computer system and alarm the CECC duty specialist in the event of an outage have resulted in a quicker response time to malfunctions, thus incressing the overall data availability.

The availability figures are as follows:

Browns Ferry Nuclear Plant 98.6 percent Sequoyah Nuclear Plant 96.3 percent

" Watts Bar Nuclear Plant 99.1 percent e

Watts Bar Nuclear Plant is not an operating plant; this data is

, supplied for information only.

i j

i

' 8303160216 830309 PDR R

ADOCK 05000259 PDR An Equal Opportunity Employer

-. . - , _ ~ . , , . _ . , _ - _ , - _ ~ . . - - . - - _ , _ ._ _ - . . - . _ , _ . - _ , _ , _ _ _ . . - , . _ , ,

Mr. Harold R. Denton March 9, 1983 If you have any questions, please get in touch with Ken Parr at FT3 958-2685.

Very truly yours TENNESSEE VALLEY AUTHORITY s .

L. . Mills, Manager Nuclear Licensing s day f ~

Bada8M ' 4 Notary Public My Comission Expires 'M .

cc: U.S. Nuclear Regulatory Comission Region II Attn: Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 2900 Atlanta, Georgia 30303 l

_ . . _ _ _ _ _ _ .-.