ML18135A128

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Summary of 790814 Meeting W/Util & Ebasco Svs,Inc Re Pipe Stress Analysis
ML18135A128
Person / Time
Site: Surry 
Issue date: 08/27/1979
From: Neighbors D
Office of Nuclear Reactor Regulation
To: Case E, Harold Denton, Eisenhut D
Office of Nuclear Reactor Regulation
References
NUDOCS 7909210096
Download: ML18135A128 (10)


Text

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  • :,ff [~~iAY~~v ~~~~{[~~ r~ir* COPY AUG 2 *7 1979

/------~

( "--ket :N_o. 50-281-::> ----"":

~-----*

LICENSEE:

VIRGINIA_ELECTRIC AND POWER COMPANY (VEPCO)

FACILITY:

SURRY UNIT NO. 2

SUBJECT:

SUMMARY

OF MEETING HELD ON AUGUST 14, i 979 ;. TO DISCUSS PIPE STRESS ANALYSIS The subject meeting was held with VEPCO and EBASco*to discuss the analysis o*f Surry Unit* 2.

A list of attendees is attac.t,ed *. *(Attachment l)

VEPCO explained that *the Surry Unit 2 Analysis will be performed essentially the same*as that for Unit l except for the* following differences:

1.

EBASCO will be performing most of the analyses with Stone & Webster doing.the remafoder.

2.

The NUPIPE computer code will be used but it will be a different version than used by S 8t 11 and NSC *. A code verfication program.

will be required.

3.

VEPCO will be using a 1.25 11bump 11 factor for the OBE, both on Un its l and 2. This Will ':*.re.q~:n*e:o.(,l:r.1 inevtew :;-.YF:c "~ *

4.

There will be no':,;s-ystems invoived concerning high-energy pipe breaks.

5.

All analyses and modifications will be completed prior to start-up of Unit 2 about November or December 1979. provides a preliminary 1-isting of.*the problems to be_ reanalyzed.

  • t,Je informed VEPCO that we would select one to perform a confirmatory analyses of the computer code.

About five (5) proble~s will be selected to be modeled by our consultant EG&G.

VE.PCO expects to submit a letter in about a *week documenting the differern;es between the Unit land Unit 2 reanalyses. Also, a letter will be submitted requesting review of the 1.25 11 bump 11 factor.

\\

~..... '

NRC D. Neighbors vJ.

  • Russell K. Wichmun M. Hartzman A. Cappucci F. Combs ATTACHMENT l LIST OF ATTENDEES AT SEISMIC REVIEW MEETING SURRY UNIT-2 AUGUST 14, 1979 VEPCO
t. M. Robinson, Jr.

G. Strickler EBASCO R. O'Neill N *. Shah T. Cotter H. Nelson

.. :::: t:: :: : : : : : : :: : : : : : : : : : : : : :

J.*.:*.*.*_*_:*.*.*.*.*.*.*,*.*.*,-.*.*.*.*.*.*.*l :*.:::::: :*. :*.*.*. ::*.*.*. :*. :::t::::::::::::::::::::::::: t::::::::::::::::::::::::: I:::::*.*.:*.*.:::*.:*.*.*.*.:::

CATI!~

'"""'""'""'"'"..............,.,.,.,.,.,.,.......................................................................,,,ff,"""'""'""""

~~ FeRM 31tl (9*715) NllCM 02411

!'°: U 0 11 0 GOVE:RNl'l.1G:NT PRINTING OFFICE: 1970 - 20!1 * "169,

ATTACHMENT 2 CALC ft SYSTEM MKS J,.

1f '

(Received after the meeting on 7/6/79) 2601 cc MKS-112S Sh.1 2603 cc MKS-112S Sh 2 2602 cc MKS-112S Sh 3 2604 cc MKS-112AA

  • 2605 cc MKS-112AB 2508 RHR MKS-117A 2559 RHR MKS-117D 2473 Aux. F.W MKS-118A Sh 1 MKS-118A Sh 2 2555 L.H,S.I.S.

MKS-122D 2538 S, I.

MKS-122H 2539

s. I.

MKS-122J 2744 c.s.

MKS-123J 2745 R.S.

MKS-123K 2752 R.S.

MKS:123N Sh 1 2755 c.s.

MKS.-123P 2000 R.C.

MKS-124A Sh 1 MKS-124A Sh 2 2771 R.C.

MKS-125A CALC ft SYSTEM MKS J,

,r

  • (Received with SWEB-001 dated 7/13/79 2545 C & R.S.

MKS-123H Sh 2 2548 C & R. S. s.

MKS-123H Sh 1 2708

s. I.

MKS-122K 2560 C & R.S.

MKS-123E Sh 1 2561 C & R.S, MKS-123E Sh 2 2533 R.S.

MKS-123G Sh 2 2544 R.S.

MKS-123G Sh 1 2681 L.H.S.I.

MKS-127K Sh 1 2682 L.H.S.I.

MKS-127K Sh 2 2695 L.H.S.I.

MKS-127D Sh 1 2697 L.H.S.I.

MKS-127D Sh 2 2869 M.S.

MKS-131C 2864 M.S.

MKS-131B 2709

s. I.

MKS-12211 2537

s. I. & R.H.R. & R.C. MKS-122A 2683 F.W.

MKS-ll8G Sh 1 MKS-118G Sh 2 2554 R.H.R.

MKS-117C 2685 F.W. & Aux. F. W.

MKS-11811, MKS-AF51 2540 q R.H.R MKS-117B 2756 C & R.S.

MKS-123Q Sh 1 2757 C & R.S.

MKS-123A Sh 2 2465 s.w.s MKS-119A Sh 1 2467 s.w.s.

MKS-119A Sh 2 2469 s.w.s.

MKS-119A Sh 3 2471 s.w.s.

MKS-119A Sh 4

ATTACHMENT 2 (Cont'd)

CALC ff 2546 C & R.S.

2541 C & R.S.

2542 R.S.

2543 C & R.S.

  • 2753 c.s.

2754 c.s.

2689 L.H.S.I.S.

2735 s.r.s. & C 2590 s.w.s.

2862 M.S.

Total Number of CALC = 53

& vcs MKS J~

,r MKS-123D Sh.* 1 MKS-123D Sh 2 MKS-123D Sh 3 HKS-l23D Sh 4 MKS-1231 MKS-123M MKS-127F MKS-127G Sh 1 MKS-127G Sh 2 MKS-1119A MKS#

(Received with SWEB-011, dated July 27, 1979)

MKS-131Al-l Total Number of MKS= 58

1-..

\\i

~:eet i ng Summary for Surry Unit 2 Docket File NRC PDR Local PDR NRR Reading ORB1 Reading H. Denton E. Case

o. Eisen hut G. Zech W. Gam;-ni11 J. Mi11er L. Shao R. Vo11mer W. Russel1 B. Grimes T. J. Carter T. Ippo1ito R. Reid A. Schv.'encer D. Ziemann V. Noonan P. Check G. Lainas G. Knighton Chief, Systematic Evaluation Branch Project Manager DOR Licensing Assistant DELO.

OI&E (3)

R. Fraley, ACRS (16)

Program Support Branch TERA J. R. Buchanan NRC Participants Short Servi~e List

1-UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, 0. C. 20555 August 27, 1979 Docket No. 50-281 LICENSEE:

VIRGINIA ELECTRIC AND POWER COMPANY (VEPCO)

FACILITY:

SURRY UNIT NO. 2

SUBJECT:

SUMMARY

OF MEETING HELD ON AUGUST 14, 1979, TO DISCUSS PIPE STRESS ANALYSIS The subject meeting was held with VEPCO and EBASCO to discuss the analysis of Surry Unit 2.

A list of attendees is attached.

(Attachment 1)

VEPCO explained that the Surry Unit 2 Analysis will be performed essentially the same as that for Unit 1 except for the following differences:

1.

EBASCO will be performing most of the analyses with Stone & Webster doing the remainder.

2.

The NUPIPE computer code will be used but it will be a different version than used by S & Wand NSC.

A code verification program will be required.

3.

VEPCO will be using a 1.25 "bump" factor for the OBE, both on Units l and 2.

This will require our review.

4.

There will be no systems involved concerning high-energy pipe breaks.

5.

All analyses and modifications will be completed prior to start-up of Unit 2 about November or December 1979. provides a preliminary listing of the problems to be reanalyzed.

We.,informed VEPCQ that we would select one to perform a confinnatory analyses of the computer code.

About five (5) problems will be selected to be modeled by our consultant EG&G.

VEPCO expects to submit a letter in about a week documenting the differences between the Unit l and Unit 2 reanalyses.

Also, a letter will be submitted requesting review of the 1.25 "bump" factor.

Attachments:

1.

List of Attendees

2.

Preliminary listing of problems to be reanalyzed cc:

w/attachments See next page

~

Don Neighbor Project Manager Operating Reactors Branch #1 Division of Operating Reactors

1-*.

NRC D. Neighbors

w. Russell K. Wichman M. Hartzman A. Cappucci F. Combs e

ATTACHMENT 1 LIST OF ATTENDEES AT SEISMIC REVIEW MEETING SURRY UNIT 2 AUGUST 14, 197 9 VEPCO C. M. Robinson, Jr.

G. Strickler EBASCO R. O'Neill N. Shah T. Cotter H. Nelson

CALC eff 2601 2603 2602 2604

',2605 250s 2559 2473 2555 2535 2539 2744 2745 2752 2755 2000 2771 CALC #

2545 2548 2708 2560 2561 2533 2544 2681 2682

~..

2695 2697 286S 2864 270'?

?---

_)j I 26c3 255..'..s 2:~:

2:.:_~ C 27 5:

2. 7 5 7 2.:..ss 2 :_ f* /

2~t~

? *' "': 1

.._- I -

e ATTACffi1ENT 2 SYSTEM cc cc cc cc cc Rl:-<~

RIB Aux. FY L.H.S.l.S.

s. 1.
s. I.

c.s.

R.S.

R.S.

c.s.

R.C.

R.C.

C & R.S.

C&R.S.S.

s. I.

C & R.S.

C & R.S.

R.S.

R.S.

L.H.S.l.

L.H.S.I.

L.H.S.l.

L.H.S.l.

M.S.

~*LS.

s. I.

e MKS {f (Received after the meeting on 7/6/79)

MK.S-112S Sh 1 MKS - 11 2 S Sh 2 MK.S-112S Sh 3 MKS - 11 21--!..

KKS - 11 2J.. 3

!-iKS-ll 7A

~fKS-ll 7D

!-1K.S-ll 8J.. Sh 1 MKS -118.A Sh 2 MKS-122D MKS-l 22H MKS-l 22J MKS-123J MKS-123:~

MKS-123,; Sh 1 MKS-1231'

~-124A Sh 1 MKS -1241, Sh 2 MKS-125..!.

MKS ~!

~(Received with s-'EB-001 dated 7/13/79 MKS-123:i Sh 2 MKS-123H Sh 1 MKS-122K MKS-123:E Sh 1 MKS-123:E Sh 2 MKS-123G Sh 2 MKS-123G Sh 1 MKS-127K Sh 1 MKS-127K Sh 2 MKS-127D Sh l MKS-127D Sh 2 MKS-131C YiKS-131:S

!1K.S-l 22:..l S.l. & R.B.R. & R.C.

!-~KS - 11 E ~ Sh l

!-~.ZS-11 E.:; Sb 2

~~};_s, - 1 :. 7 C F. \\.:.

R.:-:.R.

F.~.

~ ~~x.*. ~-

-i

-,.. :-.. ~-

c (.. ~. s.

C L ~.S.

C *.

C

  • \\\\

o '-

1 s y.s.

s.\\~. s.

.!...: '~

~-:-:..s -11 S ;._ S:-, 2

~~:.S -11 S-..!. Sb 3

'!.::KS-ll':..!. Sh L

e CALC f:

2546 2541 2542 2543

27 5 3 2 7: !..

2EES 27 35 25 90 2E.f 2 e

ATTACH.'E:~T 2 (Cont'd)

C & R.S.

C & R. S.

R.S.

C & R.S.

c.s.

c.s.

l..~.S.I.S.

S

  • I. S. & C & \\7C S s. i;. s.

!*l. s.

MKS

.J:

,r MKS-123D Sh

!-HZS-l 23D Sh MK.S-123D Sh

!-1K.5-l 2 3D Sh M:::.ZS-123~

~1:' l 13>'.

?-G:.S -12 7F

  • f!':.S - i 2 7 G Sh

~l~-l27G Sh

!-i:.ZS-ll l 9A HKS ~!

l 2

3 4

l 2

(Received ~ith SwEB-011, dotec J;,ily 27, 1979)

~r.rzs -131;..1-1 Tc:21 ~~~ber of MKS= 58

Mr. W. L. Proffitt Virginia Electric and Power Company cc:

Mr. Michael W. Maupin Hunton and Williams Post Office Box 1535 Richmond, Virginia 23213 Swem Library College of William and Mary Williamsburg, Virginia 23185 Donald J. Burke U. S. Nuclear Regulatory Commission Region II Office of Inspection ano Enforcement 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 e