ML20009B027
| ML20009B027 | |
| Person / Time | |
|---|---|
| Site: | Braidwood |
| Issue date: | 07/02/1981 |
| From: | Tapella L COMMONWEALTH EDISON CO. |
| To: | NRC |
| References | |
| IEB-79-03A, IEB-79-3A, NUDOCS 8107140680 | |
| Download: ML20009B027 (2) | |
Text
- =
q
,b, e s 6
e
((['
July 2, 1981,
[f\\f
' G(. o[t i V (fD
,t Ai. 8 3198l.
~
"'8'"gia; fig non
/.
p
'Y Th m
John:
Attached is CECO's (Braidwood) response which should adequately close IE Bulletin 79-03A.
If you have any further questions, please call.
f
% {L Larry Dfpella/
Q.A. Engineer Braidwood Station LJT:skg g\\\\
is\\
8107140600 810702 PDR ADOCK 05000456 G
PDR gg g jjgj i
.g~
y a u 7b x
~
r t
October 10, 1980
Subject:
Response to NRC - IE Sulletin 79-03A
}
' Longitudinal Wald Defects in ASMEsSA-312 Type 304, Stat.iess Steel pipe
- NLA Letters haughton 80-158 and -291
& Braidwood Stations Units 1 & 2 Byroit Letter to J.T. Westerseier from R.P. Bornes (SlE & WCo.),
References:
1) dated August 6,1980; RE:
Bulletin 79-03A Letter to R.B. Johnson (S&L) from R.P. Barnes (51JF &
2)
'Co.), dated September 26, 1980; Re:
Sulletin 79-03A Paone conversation between L.E. Holden and 5. Goodwin 3)
(SWF & WCo.), on September 25, 1980; Re:
Buit,etin 79-03A.
Mr. W.F. Naughton:
As indicated in our supplemental responses, Sargent & Lundy the only piping of concern was that f abricated under determined that Southwest Fabr feating and dasign tables 94188,154088 and 154288.
W21 ding Co. (SWF & WCo.), the piping f abricator for Byron and Braidwood, has confirmed (reference 1) that they have not furni2ed any pipe or SWF & WCo has recently ;?rrirmed (ref erence fittings under teb?e 94188.2) that they have not furnished any SA-312 welde Therefore; there is presently co 5A-312 sean tables 154088 or 154288.
celded stainless steel material at either site or at SWF & WCo. consigned to the sites, that will be subjected to design stresses greater than 85 '
percent of code allowable.
The pipe and spool pieces of concern for Braidwood Unit 2 have not yet been released to SWF & WCo's shop for fabricatlan (reference 3)
' - ~ ~
and therefore, the material to be'used in f abrication has not been is our understanding that the bulletin addresses identification and etching of pipe to determine the s,everity of the code specified.
It deficiency, therefore it is our understanding that no further action is o
--req uir.ed.
If you have This completes our response to sulletin 79-03A.
any questions, please call Lesife Holden.
J.
estermeier LEH/ji l 7241A cc:
J.E. Rohde R.E. Quer to J.F. Gudac e
h C.J. Hobbs
_ _ _ _ _ _