ML20115B010

Forwards Response to NRC Request for Info Re short-term Items Discussed in Util Re Masonry Block Walls, Including Air Tubing Supports,Rwcu Supports,Fuel Oil Small Bore Piping Supports & MSL Radiation Monitor Supports

ML20115B010
Person / Time
Site:	Brunswick
Issue date:	10/09/1992
From:	Mccarthy D CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NLS-92-263, NUDOCS 9210150226
Download: ML20115B010 (16)

Text

..

i e

C9&L Ca 9ine Power & LigM Company OCT 09199g SERIAL: NLS-92 26C United States Nuclear Regulatory Commission ATTENTION: Document Control Desk Washington, DC 20565 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS, i AND 2 DOCKET NOS. 50-325 & 50-324/ LICENSE NOS. DPR-71 & DPR 62 r

SHORT TERM STRUCTURAL INTEGRITY ITEMS Gentlemen:

The purpose of this letter is to provide, at the request of the NRC staff, the status of four short-term structuralitems that were discussed in Carolina Power & Light Company's July 16, 1992 letter (Serial No. NLS 92136) concerning masonry black walls. These four items,.vhich were discussed in the response to NRC Question Ill.A, are (1) air tubing suppf.,rts, (2) RWCU supports, (3) fuel oil small bore piping supports, and (4) niain steam line radiation monitor supports.

As discussed with the NRC staff during a telephone conference call on Scptember 10,1992, item 1 and item 2 above have been modified to restore them to their desiga configuration (i.e., long-term qualified). Enclosure 1 provides third-party review of the justification of short-term qualification of item 3 above. Enclosure 2 provides third-party review of the justification of short term qualificatica of item 4 above.

Hease refer any questions regarding this submittal to Mr. M. R. Oates at (919) 546-6063.

Yours very tiuly,

,. f

, ? syi

.f D. C. McCarthf Manager Nucl ear Licensing Section WRM/wrm t.itsiltr 1.wpf)

Enclosures cc:

Mr. S. D. Ebneter Mr. R. H. Lo Mr. R. L. Prevatte

,1,4 h U [ h wmmmraammw-memm 9210150226 921009 h

l DR ADOCK 05000324 NN#N#*MMMMM l

PDR y

J

l.

1' ENLLOSURE 1 BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1/sND 2 NRC DOCKET NOS. 50-325 & 50 324 OPERATING LICENSE NOS. DPR-71 & DPR-02 SHORT TERM STRUCTURAL INTEGRITY ITEMS

~

JUSTIFICATION OF SHORT TERM OUALIFICATION OF THE FUEL OIL SUPPORTS d

^

m, Page 1 of 2 STSI ITEM REVIEW

~

SUK4ARY REP 0kT MAY 27, 1992 Scone of Worb The workscope for this report _is the review of STSI Item #169, the Fuel 011 diesel piping on stress iso 109.

This problem was raised due to the following concerns:

1.

The acceptability of attaching the pipe and supports to non-Q platform steel, and 2.

The acceptability of attaching the platform to blockwalls.

Anolieable Documants This review covered the following items:

1.

Stress Analysis Calculation No. SA-F00-109A, Revision 0.

2.

Stress Analysis Calculation No. SA-F00-1098, Revision 0.

3.

Pipe Support Calculation No. PS F0D-B109, Revision 0.

4.

Miscellaneous Steel calculation No. ODGB-0002, Revision 0 5.

Mechanical Design Guide M0G 2. Revision 2.

6.

Engineering Evaluation b port No. 91 0246, Revision 1.

7, Specificatior ". BSE 005-011, " Seismic Design Criteria", Rev. 2.

Effld Conditions The pipe routing, its attachment to the platform, and the plationrs attachment to the building structure:were evaluated in the field.

With the exception of one handrell to platform connection in lank Bay #4 that was not welded, the field condition for the four fuel tank bay piping runs were found to be as ane1v?ed.

The non-welded connection was judged to have minimal impact on-the analysis as a review of the calculations showed this to be a low stress area.

The masonry wall attachments for bays 2 & 3 were found to utilize thru-bclts as analyzed in the calcula-tions.

All other aspects of the piping and platform were reflected in the calculations.

Anchorace and Support Assurottons The "tedeling techniques utilized in the calculation were judged to accuratey reflect the field conditions.

E

Page 2 of 2 Loadine Conditions The calculations us2d correct loading conditions for member weights and 311 seismic loading conditions.

Modelino Assumotions The assumptions made in the calculattur.s ade:uately addres: the field condittons.

Desion Inout The calculations uttitzed field verified drawings to develop computer

models, in addition, the pipe stress caiculations follow the guidelines as described'in Mechanical Designs Guide DG-2.

t Materiil itrenath Assumotisna The asstmptions used in the calculations correctly account for member and bolt strength values.

Sumary and conclusions 1 The conclusion of this review is that the short term and long term operability concerns hav) been adequately addressed and answered.

The fia'$ conditic,ns were analyzed and found to be acceptable for all

~.

operability remirements.

Attached are three (3) pages of review notes.

h'$ 7-f2-Date Prepared by;

,/

_TN)

"Unt/34/93 16 30=

3919 546 76$4

.!!P ""

EXECUTIVE

SUMMARY

DATf;

.[h ! d) ' N '

DATE:

/

DATC; T O, TO:

TO:

FRott FROM:.

PROM.

ACTION REO RED:

ACTION REQUI6ED:

ACTION REQUIRED:

Fco Ywr wo manor For Your information _

For f our iraorreo 3 A aconse Recutrea -..._

Response Aeg..ree..

neaxng,4:#rg

? > Be Approved Ta Be Aporr>vec.

To 2.: accrc.n

/

/

to DATE REOUIRED:

.. c DATE REQUIRED.

to. D ATC REQUIRED-

SUBJECT:

Tae aceOaT 3 ccc sTs; rornmany s.ceet.T ess iTc.rn n i7 t, 2o P

OF CP&L MET WITH.

b' OF EQE. THE SUIk7ECT OF THE MEETING WAS EQE'S MAY 29,1992 W

SUMMARY

REPORT FOR STS 7.

ITEt!. REVIEW OF THE MSLRM DETECTOR WELL ASSEMBLY. DWL PRESENTEO TIIE NI"rACHED ' SET OF RESPONSES TO EQE COMNENTS.

o THE BASIC THRUST OF EQE'S

SUMMARY

REPORT COMMENTS WERE THAT TIIE 5

LOOSE BOLT CONDITIONS FOUND IN THE FIELD DID NOT MATCH MISMATCHED, gu THE " ASSUMPTIONS" FOUND IN CP&L STSI CALC OMS-0004.

4 lU DWL'S BASIC RESPONSE WAS THAT OMS-0004 WAS WRITTEN IN RESPONSE TO BSEP'S REQUEST FOR THE BOLT TYPE hND TORQUE-REQU1REMENTS TO I-ROVIDE EHORT TERM STRUCTURAL INi'EGRITY ~ OF THE RxD MONITORS. THUS, THE l

. :Q BOLTING CONDITIONS WERE NOT ASSUMED, THEY WERE SPECIFIED.

et L

2 AFTER FURTHER DISCUSSION, SEVERAL KEY P)INTS WERE MADE:

.3 d

1.EQE'S UADERSTANDING OF THEIR JOB St. OPE WAS TO INSPECT EXISTING IZ l FIELL CONDITIONS FOR AGREEMENT WITH STSI CALCUIATIONS. IT WAS NOT I

l l

EQE'S UNDERSTANDING THAT THEY SHOULD DE LOOKING FOR A ROOT CAUSE OF 0

1 1

A PROBLEM.

2.THE BSEP BLUE MEMO WAS ' QUESTIONED AS THE BEST METHOD FOR REQUESTING AND RESPONDING TO FIELD INSTALLATION CHANGES.

?. A REVIEW OF THE BSEP TROUBLE TICKETS SHOWED thAT THE RAD MONITOR

r0 e,.

Ta+7" S wa-e __

4 M OS A'a.

_10 41*7'4u 7"Me _ LAW 3Z.EdL*':4 LMf it4Do47w ffgy,re s, oggr_cruA ta A;[pt.1_ 7D y*ey E /s s r/a M DISTRIBUTION gf J y 4" N5 0/_._,.f fT P L s/C' J. U1%N /t4t** sJ4 4 17" u A s 2 M&g.jg.g.,,fMM' J &RAA(- D W w r*

a sto* //t.1 TY/*6 S,

_Of* 6 64.7's wn L)AsWAMs

!!O0,. /3W fM/todbL Y

/MT"M4dd t_

l*$AA? O ALA4*dWh > AO EY:

f_N/lsk)

SICKED:

DATE:

//////9 f

• IU1EASI31G AUTHORITY:

RESPossa:

80t,T _ HX. I /2-l3 i LTH, Al'!3,6f37 WASdEf LK, #/2 DISTRIBUTION

_ LJ ASHE il yf L.1/2 LTH*ltWTH RL#b To MLY rWMC Thgr60,$,4 8/t SS FLPolel DDC-850 x a USE FI AT WASHof, s AS NEEDEbi To PRE VriJ1"

"*"*)

SoTrom.Jo oOT OF Boer Tc Roa c ro Gz *10 FT-LA O G. bso f )

(Cec. CM6 to BT:

S'.MEDs C/

a

_ DATE:

(

f/

RELEASING AUTHORITY:

L/

PLEASE PRINT NAMES OVER SICMATURES IF THEY ARE WCT LEGIBLC.

09/14i&8 16:38 3919 546 7656 MEMORANDUM C0NTIWDATION SEEET SITE MhMO NO. M

1. f28048 OF A__

A SHEET

.Nof

.sNe w 1"Md.s e

/SeLy*_t.

b D 4,fs F41 C. ~4n ?'

A Sb1

$N& 706% 3 TML.

6*L 73 tM $13c h I /*

7"N 6 Y Al'.E

.504 7~G A <.2

/b M.

7~4o

&#1*L"MW.

Ju

.5 M <-af 7'WM3G 4 04.75 thvCfA

.KZsAEA.rK CPM isfAZ~ h M d L M

• H 6 __

237-o84 -7/ f ragsp mm m

mm

~7 3 0 '.2. 51 - di c:4 kn Mc-ms m oM ap rMa erm nrz=useAw m i

/w ott trert3 ANO

.s een.ss,e AA 7M.E.arJ!rse_

41 A

Owry"" L s rw-up izum.

Femsd4 u*>A NRA1 45uC&&7ine

@ inn. A M 6 se64 6 *,'^'s Am5 M

[ [ 84 A)

/f.A 0 0 8 it-t I

i I

ML*c As> AoN32 AY

(/ ~ / F f/ o t

k d

i j

u i

I I

i l

j

- ' ^

a g

m

-4

-+

l a-I-

u

+

r.

4 M

G.$[

~

e m i

,8 '.

t tt t u m t u 1 28

[

K K K. X K K 1K K K K K r, 3 1

.' l,

% % I I

1 1

- u.

n 9

s a

o

.n l1 5

. 3,, < i 1

i f

I d

i f.I il r

fl:ii i ji ii hi; 4 i a.

,?,E, Q -

t F

i t

- '-[

e" a i s i ; 4..

w Ag j'

.O.d g

I i, =

I

Z i

5 p

• e l a g

t t =e 4

3 !!

g s a:

g

$ 3

-L-I!j8-.!.,

sag

, I.

i e.l 1,

e :

e g 1

e s.e 5

t sr c.

m o.

i

1. lls ills t

' E -

!! d 1l

..r e

- s

,<isi 1

1 r 1

e l

l fs

c a

1 g

g e w s E l i

, ; I t :

r A

a g

5 a

[ s u f f." I f 2 v

a z a

t a

a g g i r.

g ;

x g.t r i g h : 3 y

e H62 3

2 g i. :.5 g t,

2 g

c i r !b st,t ha

~.- a. a

~

I ~r s t r a g r a r r a i

i t ! I l l i s'i il I I m

f

~

y:3 o

5

{

. g.

!g. =. s {

u.,..

.n T

(.

y,?

gj }

q 2,

J S

s?

y.,

y

~

y r

3 e

.ip i

g _

~

g:

.}

E!, -

h-c.,

2

~

t lgj c.

En i;

4 h 4

"3 g

g

-~

f q_].._._.__.__

l k

, L.

~

n i

i

• 1' O r~

i i

'l h

d t

-e-o m.,,,

a

-},)

f

.I un a

~ '

.a T

d

., o

, p.,

o u

i t

'g.

~

c L

ium

,Q b

D

[

K.

k E. kf kl ( {( ((

D d.2 I

C t

ti t K.KK K6 KK

e. 'n g K KK E l

N N

3 i V.

m 2

s i

2 rR 2..

1 3 $

j,s qi ;

j s h i s i h H i i f

= s I

e m

,zh i 2 P ! l i Q,

e e i ess is i ss e e s a e' o, l i

40l i*

R3 o

,i c o 1

r.

t..

x 3 zg j

i

- C j j 1i

"..!,i

!. ! l3 [:I

)!g!E l'C A

e

! !i.

~

d ii I

,s I. IS

, t 4

( J g e < 5 il I l l,i t,t li

@v.l!

8 I

7 t

g e

l w

y g

h~!

~

n k ! !

!. g* lE *f w.3

[

r i a

! f I Wf.;

I

.j j sr e

Y 3 % ; I K K

%$6 i f Pj l I.

it :8 t t i i ty

-fl 2s a- '2 l l.

E l n -

1 gg.t,E !.t st St h i

- t -

h lt !

- a.- a.

a s.- t su oi t i i ll ill i lii g

[

M I y 3

9 g 1.!..

d

~ * *

- e :: :

,i;

.,j

^

g a

8 a

m$

us).s.s R

M Y

l x

3

-q

~

"p.J f) }

I

}

b b

b ?

L.'

~

e r

3 1

N

=

1 5

>8 l'!

d! ~

^

5 E

<J I

n L<

~

!gi c

S

((

.g u

w s

8 g

5g -

i k %

I{

.. 4 L

f..x j

i H

4 I

i 7.,,

}jl T-e-e hI_.h.

8

@i._.I

~

W i

.L.-._

p, I un g

T 3,

.e.r i i

i i

i o

e u

Y w

l

=

0

- - - - -