ML19247A353
| ML19247A353 | |
| Person / Time | |
|---|---|
| Site: | Hatch, Vogtle  |
| Issue date: | 06/25/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | John Miller GEORGIA POWER CO. |
| References | |
| NUDOCS 7907310020 | |
| Download: ML19247A353 (2) | |
Text
gg,(
f' "' h<,'o, UNITED ST ATES f
NUCLE AH REGULATORY COMMISSION
.- Y
'r
'c,(k(!;
f i
RE GION ll 4
f 101 MARIE T T A 51 N 6. Stil T E 31tVI AT L AN T A. GE OHGI A 30303 g 't +,..ee' JUN 2 51979 In Reply Refer To:
RIL:JPO_.,
<C50J 50-366 50-424 50-425 Georgia Power Cet:pany ATTS: J. !!. Miller, J r.
Executive Vice President 270 Peachtree Street Atlanta, GA 30303 Gentlemen:
The enclosed bulletin 79-13 1s forwardeu to feu for in f o r r.a t i.
wr:::ic response is required.
I' you desire additional infurr.atto' r t-c,a r d. :
r_.atter, please contact this office Sintercly, me j a: c < P e'ic1..
.:ir ec : c-
Enclosures:
1.
IE Bulletin '.<
79-13 2.
- 1. i s t in g ef 2: aulletins
!ssued i:
.ast 1:
"e n t !. s U 9d (e*w.2 T'n -[i ?
FM D F i~
Q 1
w i
$ bl., h as af *Lb?
L 7 0 0 7 31 t, 0 i. O y
P
Georgia Power Company cc w/ encl:
M. Manry, Plant Manager Post Office Box 442 Baxley, Georgia 31513 C. E. Belflower Site QA Supervisor Post Office Box 442 Baxley, Georgia 31513 K. M. Gillespie Construction Project Manager Post Office Box 282 Waynesboro, Georgia 30830 E. D. Groover QA Site Supervisor Post Office Box 282 Vaynesboro, Georgia 30830
)
u
,i L s:u;'rs?y ry r
June 25, 19'9 IE Bulletin No. 79-13 Page 3 cf 4 is identified during exaninatica of the nozzle-to b.
If cracking piping weld, all feedwater line weldt up to the first piping support or snubber and high stress points in containeent shall be volumet-rically examined in accordance with 1.a. above.
All unacceptaMe code discontinuities, other than cracking, shal] be subject to repair unless justification for continued operation is provided-Perfo:a a visual inspection of feedwater syster piping supports c.
and snubbers in containment to ver if y operability and con f orna--
to design.
the inspecti<n All pressurized water reactor facilities shall perfor 2.
program described below at the next out m;e of sefficient auratier or t
the next refueling outage atter the inspection required by iter For steam generator designs having a comman nozzle for bott ra i -
a.
and auxiliary (eaergency) feedwater systees, perforr volueetrf:
examination of all feedwater nozzle-to-pipe veld areas and a!! feed-water pipe weld areas inside containment in accordance with itcr.
above.1 In addition, conduct an exanination of welds connecting line cutside cen-auxiliary feedwater piping to the main feedwater tainment.
This examination should include an area of at lear *
.e cf the ccnnert pipe diamete on the main feedwater line downstreae s
f o r ta i r.
f ee@ it r b.
For steam generator designs with separate nozzles examination (in ac< rcan o and auxiliary feedwater, perfore vclutetric with itec I above) of all welds inside containtent and upstrear c' the external ring header or vessel nozzle for en-h steam one nt r If an external ring header is employed, aise inspect all weld <
riser en each feec ring of each stcac 2enerater.'
ene inlet c.
Perfort a visual inspection of al1 feedwater n< tem piping supp-' -
and snubbers in containment t:.erify operabiiitt anc con e rna-to design.
3.
Identificatien of cracking indications in feedwa't: naz'le er pipin we areas in one unit of a culti-unit facilitv shal! repf rt s h o t les.-
an' inspection of other simi bt units which nave nnt reen aspe.ted sin: t May 1979, unless justification for continued crera-is pra'ided.
s
-- 3 j_
I DUPLICATE DOCUMENT
.aq i
1 Welds in the feedwater E'ntire document previously entered welds) that have been into system under:
b,i M d O fr w e
$ 0(p M Q h ANO No. of pages:
h[
=
r-
__