ML032600981

E-mail from A. Saso to J. Grobe, ANS Pres

ML032600981
Person / Time
Site:	Davis Besse
Issue date:	07/31/2002
From:	Saso A Division of Nuclear Materials Safety III
To:	Grobe J Division of Nuclear Materials Safety III
References
FOIA/PA-2003-0018
Download: ML032600981 (13)

Text

.rt¢'^ M== I 91 y,~V- W"'uwll f- l I I vaae 1I.

From: Adeline Saso \ P-W To: John Grobe Date:

Subject:

7/31/02 8:27AM ANS Pres Q)SY

Steven Lon 7RrPs-ro2.pp --- -- ,- - ,-- - ae VG

[Lteentong'AN -G Pes robe 0-2.ppt Page 4 MAof l AMdA,.M11P

____ AMidW~f.%A&.KM'It2

Ifsteven I~ Long - MS J~rePres - umbe 08-02.ppi

-~r~ b~Utrg Page 5

-~vnLn Reactor Vessel Head Degradation Location ReactorVss~a1 Read Cartbon Steel Portion

'ReactorVessel Read Insulation VG

even ong- sANL res- reo 2b6 z.ppT age o esurement Reported 15' Apt-Il 200Zby ~Vieste~~~tto

FAoheo:: ffisqevvss dde oa - saj N - Bu ss teeYon>~ R-sse-AG; .ppage~ri~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

VG

i-steyen Long - ANS Pres - Grobe ioe uts-uz.ppi Frage to I

Imtyf og-Abre ubuprrg _

GIG

[STev ISeeLog- AN 9INe--s--W669-OTZ2-p pT rs- Grb 80.

.......Iage-M g

VG

I-Steven Long - ANto VreS - t:WODe 08-02.ppi ii11

• i1 rage 1 Page I-steven Long r'a rres i.rooe ua-u.ppt Initial deterministic analysis Probabilistic analysis Cavity growth leading to cladding failure at pressures in the range of the operating pressure (2165 psi)

Estimates of the additional operation time needed to achieve failure at pressures In the range of the operating pressure (2165 psi)

I Steven' Long - ANb FreS - WOW Ub-UZ.Ppl I Steven LOfl - AN rres uroe u-uLppr - rage 12 Page *i;ei fit,_,f,. . ,.d,; ,5., ,,. ,>>.,

g -.

S..a.i-...S.5>..NSik;r P;h,..

, j ,., . ._ .

Tehsile Prn~~~~~~~~ie cladding -L- -L-r. .L.

P~~~~~~~~~~-~ ,-

11 I-

-`1111 I I 40-8 F.-. q. . I4AQ 0~

q~9.5

-. 0 -.

Claddjng ThickneSs

-1111

- I-I N

=r'

£DJ~~~l~i -.. -- ~&

S -~~~Tm Wfqa0n(4

'> 'L-' 111> ' ' :: '-.S -"D , - Watt. 4 .......................... Yi by fl .v. ... be

l btevenLong L res - Gro e 6F-M-.ppt Fage II submodel VG

.= ver' ong res- robe *PP age

- g b514 Nam~/

7 a m/ 12 P- ks ,,I