ML20053B404
| ML20053B404 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/31/1981 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20053B393 | List: |
| References | |
| NUDOCS 8205280376 | |
| Download: ML20053B404 (3) | |
Text
"
1.
s ENCLOSURE Browns Ferry Nuclear Plant Unit 1 In-Service Inspection In accordance with paragraph 1971 IS622.3 of Section XI of the ASME Boiler and Pressure Vessel Code (1971 edition through Summer 1971 addenda), the following information is provided.
1.
Date: December 1981 2.
Name of owner and address of corporate of fice:
Tennessee Valley Authority Chattanooga, Tennessee 37401 3.
Name and address of nuclear generating plant in which the nuclear plant unit is located:
Browns Ferry Nuclear Plant P.O. Box 2000 Decatur, Alabama 35601 4.
Name or number assigned to the nuclear power system by the owner:
Browns Ferry Nuclear Plant unit 1 5.
Commercial service date assigned to the nu. clear power system by the 1
owner:
August 1, 1974 4
i
{
6.
Gross generating capability assigned to the nuclear power station
]
by the owner:
1,098 MW j
e 7.
The number assigned to the " boiler," " pressure vessel," or components i
l of' the nuclear power system by the state or municipality:
Does not apply 8.
National board number assigned by the manufacturer to the " boiler,"
" pressure vessel," or components of the nuclear power system:
No number assigned 9.
Name of the component or part of the component of the nuclear power system for which this is a record, including such information regarding size, capacity, material, and location as may aid accurate identification (this may include drawing references if they may be of assistance):
l The components examined as part of this in-service inspection i
are listed in the abstract.
l 8205280 %
L
' 10. -Name of the manufacturer of the component or part of the nuclear power system for which this is a record, including the manufacturer's corporate offices or the manufacturing plant locations as may aid in gaining access to the manufacturer's records regarding the component or part which the manufacturer is maintaining in accordance with requirements of the ASME Boiler and Pressute Vessel Code,Section III, Nuclear Power Components:
The majority of the components examined were supplied by:
General Electric Company Atomic Power Equipment Department San Jose, California under TVA contract No. 66C60-90744 11.
Dates of the in-service inspection:
September 15-17 and November 29 -
December 1, 1977 12.
Name of the inspectors:
The Tennessee Valley Authority acts as its own inspectors.
13.
Name and mailing address of the employers of the inspectors:
Tennessee Valley Authority 1630 Chestnut Street Tower II Chattanooga, Tennessee 37401 14.
Abstract of inspections performed, conditions observed, and corrective measures recommended and taken.
Lambert, MacGill, Thomas, Incorporated, (DIT) under contract to TVA performed ultrasonic and visual examinations on the following welds on unit 1.
Feedwater Nozzles Welds: N4A, N4B, N4C, N4D, N4E, and N4F including nozzle inner radii examination Core Spray System Welds:
DSCS-1-6, DCS-1-8, DCS-1-7, DSCS-1-3, DSCS-1-4, DSCS-1-3 DCS-1-6, DCS-1-5, DSCS-1-2, DSCS-1-1, DCS-1-4, DSCS-1-13 DCS-1-17, DCS-1-16, DSCS-1-12, DSCS-1-ll, DSCS-1-10, DCS-1-15 l
DCS-1-14, DSCS-1-9, DSCS-1-8, DSCS-1-17, DCS-1-13 i
l t
l 1
(
i
~
~
. CRD Cap Weld: RCRD-1-33XX The examinations performed by LMT revealed some geometric indication caused by mismatch or weld crown. Also, one spot indication was revealed in feedwater nozzle N4A.
l l
l l