ML20090A642

Reviews Util Proposed Criteria for Pipe Breaks within Primary Containment.Submits Addl Guidelines for Completeness & Clarification of Paragraph 2.2

ML20090A642
Person / Time
Site:	Midland
Issue date:	06/14/1977
From:	Bosnak R Office of Nuclear Reactor Regulation
To:	Varga S Office of Nuclear Reactor Regulation
Shared Package
ML17198A223	List: IR 05000329/1983008 ML20090A052 ML20090A064 ML20090A067 ML20090A071 ML20090A076 ML20090A080 ML20090A090 ML20090A103 ML20090A106 ML20090A110 ML20090A367 ML20090A377 ML20090A397 ML20090A403 ML20090A447 ML20090A451 ML20090A456 ML20090A465 ML20090A481 ML20090A487 ML20090A491 ML20090A500 ML20090A504 ML20090A514 ML20090A517 ML20090A543 ML20090A547 ML20090A559 ML20090A590 ML20090A594 ML20090A600 ML20090A613 ML20090A614 ML20090A623 ML20090A626 ML20090A631 ML20090A637 ML20090A642 ML20090A656 ML20090A658 ML20090A673 ML20090A698 ML20090A703 ML20090A733 ML20090A741 ML20090A748 ML20090A751 ML20090A758 ML20090A762 ... further results
References
CON-BOX-13, FOIA-84-96 NUDOCS 8006240766
Download: ML20090A642 (1)

Text

..-

. ~ 7 2. d N ' ( Y k W J.6 7, N M '.,[ 8 $4,. Q Q 5

• U M d d.E - %..' (( S k

.y *. :,, :.%7;_t.M y..

'"*y.9. O !.. -4. f '. 3%

.% L.4 f.3.f'sp.

~-

e.

.q e

-s 1,;

JUN 1 4 377

.9EMANDOtt FOR:

I S. A. Yarga, Chief, IJE Braneh #4, DFlf jg Fames

a..r. seemak. chief. Meew i==1 Essineerias aramen, ass i

smMECT:

RETTEU CF FROPOSED CRrSRIA FOR FIFE MIAKS WITHIN MIDEAND P!. ANT FRIMARY CONTAINMEWf (TAC 4575)

\\

Beekst use,s 56 329, 30.-330 Eerise Bramsh: MIB The MZn has revissed the esbject criteria proposed by tlac applicant for postulating pipe breaks in the asia resetor coolant piping of the Midla:ut 1, 2 systeen.

Rosalts of ear review indicate that the proposed aritaria is gemorally commistaat with MES tenhaiaal posittom as refloated in the current proposed reviates to emetime 3.4.2 of the EltC SRF. For eempleteness and clarifiestias paragraph 1.2 of the proposed criteria should be augmented by imeerporatlag the following additional guidammer 1

If a citseafar==**m1 break is postulated at a mana=4myemetrie fitting (anch as a tee or albow), schmet the bemafit of a detailed stress analysis, leagie=d*==1 breaks aheald alas be postulated to oceur j

(a) est of the plans of an elbow serianted eseMasseurrently at tem diametrically-opposei points es the aireueferense in the =iArt.

of the othew.

(b) est of plane of a saa oriented meer-eemmerrantly at tuo diametr"-um.

eppseed ymista sa the midd1a of the nas tua mesties.

3 -

f

• 07 1

'D @g?JOdj\\U$JA R. J. seemek, chist

s

=== w i==1 angineering Dramah Divistaa of systems safety se R. Falaeoma,SS D. T.

t t, ygg Docket Files 50-329 & 330 R. 38F4. F18 NRA Reading File W. EsDeenld, WIFC DSS:MEs File

1. f J. Imight. $s

~8006240 K D N ['

///

a. arasumur.,se i -.

3. use=se. se os_s:

. D' ss:Mrs,-@ 'DpxEn w e.

m ua sur. met __

.h3-h

\\ _ __,,

,.. ' ".,, s'

, ls,ao,,

.. A.. - -

.~..

i aso.lo.. .'

_ _ _ _ - - _ ~.,