ML19323H061

From kanterella
Jump to navigation Jump to search
Ro:On 800427,2-inch Containment Spray Test Lines Analyzed Using Incorrect Outside Diameter for Pipe Resulting in Analytical Model Being More Rigid than Actual Pipe.Caused by Error in Input Not Found During Checking
ML19323H061
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 05/02/1980
From: Ballentine J
TENNESSEE VALLEY AUTHORITY
To:
References
NUDOCS 8006110250
Download: ML19323H061 (1)


Text

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

.,y-s,e. owe t ,y t v. nam - .. J

~ . .. u_

g we p er .

. . ._. . : .. . . . , , . . . . . u .. :..

n ..;.. .. . . .

.... .:.-. _p .s

, >E p 1

se.,

. . .* , c +

._ , c. ,. 6. ,

se-

.N pg. p.  ;

.....c.

-1} -r. , ,

. ,g 1/_1..t2, Gcngia 39303

, g m g

C (

.i t

... .. . . . . . . , . , i

~

7:;; /_f u..:: Tedn:d !! nifw'.ix C.?.l.12.i D .c cf 'c ::u .e: a. : : Tin- r." C.;71; :i: CE : C' Cr.it 1

?

N :!;. '. 1 Er. ' i fi g. ' . ,b-2: 6.9.1.12.i N

C;~'itiens Frie: te Occu n c*.;e

~.

" :h 5 T.3 at 100 E.

! /

L

['e-tification r i brir'in cf 0-currence Pc 2-inch c= tai. =t ry:sy test lines were anlyzed using an incorrect cuiside dinter for de pi e.i A di::nsion of 3.375 indes was used in pla:e cf c.:nE:t cutside dic ste cf 2.373 ind:s. This Icnited in an analytical rh1 that ns :rre ri;id thu e:tual pipe. As a reralt of this errer, a;p &ately 46 feet of p!re ceuld te inadcT:stely Tnlified.

rr.uent v

Cause of 0:currence DS cc-dition crists due to an iqut error tot fcurd during checking.

" ~

. Cths: Falatei Icents -

D**D* 3 >

1 rene. '

oo c. . a

,- g Crncctive Action Tahn er Flpg :_ [.

j Tt r: 30 e hl e:Is is hir; pl3:d en the re ;nity fer e':h cheder to follev l cur ched pre:dare esticulously. The piping was reanalyzed and ECN L5268 l v.'s i ::ctt? N3 additical rip surretts to ths air test lines. This ECN _

9 n? ir:cdcIlted by ndpha EG15 which was c.c.7 1 etd on tpil 20, 1900., -

i

} -6  :  :

s . .

s 4 h.e_e. f)),$ttt) -

00)- l
[Jqnn.E!}Iintir.
cc: n. L. Putler, E12047 C-K . 'S - ~ .

i

. ',Frer Flet Sqerintc*clent i

H. T. Cettle, EC, Sg*? .-

/.

c r :yah na:1 car Flant A. F. Crevasse, 401 UD3-C

' (j'M J. G. Deveare, 727 EB-C -

'r i O:JF:MI F. L. Duncan, W11D135 C-K J

D. O. t'-CleM, (4, S2"P

. L. M. F1113, 403 C5III-C i

re sr Inferntloa Adviscr, 670 CSTII-C 1 g00012e ggro ~ ~ . . .. - a