ML20076E156
| ML20076E156 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 10/31/1981 |
| From: | GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20076E139 | List: |
| References | |
| 81NEDO078, 81NEDO78, NEDO-24582, NEDO-24582-R01, NEDO-24582-R1, NUDOCS 8305260325 | |
| Download: ML20076E156 (61) | |
Text
{{#Wiki_filter:- -
.,.,T*
'.'.l,.t'.
, ,. . . . + .
.,, .-,,e. , , , . . . , ., '.' , .i
,,,.,f-..-
. ., ,
- a '
,. .m .
. >. ....4 l -
-'~.,+.,S.. ;, .. . ,y- % . .. *si ~ . * ;.
- , . , - - .y- e .c . .r. x .r - ,
n.p# *.;~-~,.-c?
., . . M NEDO-24582 p;p.g .
a p. . . .z., y. -. . p :
.,a u..;.n.
. : .a c..
.cc &: m
~4:<_.v.'h.:
.a ,,7< % w t ..
,;C. s #..t v. : vc.r, .s..t,-y ~ ..ey"
-~ o.:e.
, L aQg:g w - :p'n - M ,g . .:: g.:;IS.:q^;,4.
- m. .<~y c n. w5 1,y.,' . , O y; ?.:
.x c.1,-!.'.a-p :;.c,1NED'078 8
- ~.- -
y ;C.LASSI w:%.&g e.y. .: a.m..., r, j ..- (-5
'rJ: n:
- ~ . . . . . ,
..s .u . . ,
~ ~ -
%.v . vn . .-~.v '
c & : :: 5 -:., - - - a+ s:; . ;. :c,->,. .. m:w~M ,,. w.. ? /.-. 5 4;2. w i.M: n*
'. *:q tj y~. r.',', ;>r 'Lyyi'-
, ~
::( w ' %u- - ' - , "'?:c :sw*m '{,;g. i-'OCTOBER.1981 9: '
~
REVISION 1
. .. ~
4-
~
~ * * %,
s -
~ .
r ~. ,..z..
+-
. .:' -J . . * ,. .. .. -. *
- e. . <
.,, n. .,c -~
- e. s. ~n,.n .m y.a-
. ._ y ,.
. :7.,.., r e
*s..,*
- 8, ,, 'g ,A sf ^ , .
4,'. , . ,,* j ,. 4 p a f,.,,-,
, ,, ~ .' gg, c.
6
's., I "*# \. * ' ',' 'f r. 7.' ** J# ' y ; .,,,( } ;
*t e._',-r t. .-' l 6 .' s..'. = flH ",a ' [;jY'e' ,
%l$'. j. ,i* .'[.'.' QQf;N'.;~O W,V,1".Q
".;; : r l'it. Y ,,'teQ. '.'.'.f,;;t? .
'ST* $SNQ' kh,'g bO.' f .
;; q .m - 7 .:. , .
.*). .'s.~.9;
. ,o , , . .a:
.; .a. 'g. M.. . . .x_ . --~ .p.,.,'y.:** ,;
.e ..- . (--..,.w.. *a , .4 .c . .. . _ ' ,.v .%,, '.s.,;.,..,.
.4
-' .. y e. -s s4,; -. s_ a,.sg ,a_ -
., 2 #.
., e R
. . . ~- -; , : 9., s ,. e '.r., . ' . -_
r e
;y..
, ;. ~
t .1 _ t . ..
,5 .
': s -. t _
, j . *,, l' 'yt.ig.
'^ * * * ', , ,[ Q[ ss .-.p m;,,.
7 *: e + . *. j . . ',. ,
^'4. c 3- .g
. . '*y. ' o,
.. .. , .. , . , ,, . , , .., ...g WEB ,,,
. *. p**
- e. . p .d e C'd*^,
A g p Ih . , - . , * *y .-L
%- E'.. *. p ' '.I .$
q ..hd, ,.,a, e , #.-[.n g e* , -
.p * .,N,,;. g $ . . n
- k' -
. . ,.ll-*.l 'y, *** . *' { m.* '.g.
' M. 's .%.'.
c7 . ,YA*b;ql5: : '. .~ ','l' g..] * * ".,.:,'p'3.- ',"3.r*:,te' .* %, ;, *? "sh':. - . s 3.
'- D'eeZs.'.8 ~K? '." - l s)
. . .;y.V,'
-k i..
t . tc .
.c
-.s . . ,
.. ~
~- ~ . . - .
. ~ . . , u, , ;.+. v. g. . n n n ~.~. nN
~,... q; g. s ., :Si;;:rv? ,,,. s. - W,-.-.m.>we .- ;.
~ :-.- -n.. u .. .
.m.-..
, . n ~.. ~. m -- e.~m - . %' -
- s. pr a ' ~
gf-
.?;&%w.%w t> , ;vp;c%., %&p gps v.p;4 -; t.x,;.,
ra o - %He-uta. y;> 'Mg &a..:.M. a -m . .'
^
-< .G. u :
$ $:w yiplMp E. ,
n-r,p - YMN,;y;s.?-@jNNiisjy.2;en.,:s
%$;;W& .- A M. @s ,
A .= .Jm:w w.=. #
~
.J,.l~'s PLANT.. UNIQUE LOAD . c . ~-
. w m. ..cy:Aw<.
- u. ~ .n . .q . . u. g ; ., m .....c-n... c. g.=. ~s . ..
lh N) _ .bh.e. K( Q.'A:a . 4, m')nQ h'. W t"?.'p . - [ u* h.
' M- , y W .
"s.g c- m Aant p M - w ;. M w W,M.Wra'ti+Mm ' %p m., N , W , .
T.T.;*1:, h;.. y
- BUNS 1 JK4SIEAMiELECTRICW'2
.c .
* ~
% A ~ f]*$.$tf QW'8 W S $1& f. D.W '
f4 6 q
.d I ' 1g sr r ::
y C y. g
-w - .s
- g , , s .-
p e >
- f. -
c 1 ^ t .e .- a'" c y y Ha.w. d .
*sc w ., - N h@.- r y; *^
Y% ; es.-
' YL
- w.vh.,'. .
~
9 4, ,. 6 .y .... , ,
..- .*- ,N.rg 4 ..P -
x a "'
. glr M 3*.M. .
.t.@
- h. . .L* WE'" sn*
* . *(;,,8'y -
'.s
~ 3 ,.
m. 5& 5 -- '
- t. Sy&N.. WW**.,%
' ~
WJTF#mf M'4 . J'.8 e u. F
~f%W4 M *l W. M EE7 W WM/* PI'e'. -?'-f ? ";; }' ;*
+?!NWih'P..T,.
NEENSUb$2kkWEY8N5Y ?$$$E.N$.?5&N*A5W$SV" ~
. ^ ; , ; - + .< : ! ;- 1 n,g,. x, y . . . . . . u g;w &
lmR Pg:O : .s - :. . I C& ~ - - -
..'%.%.&h, nw: :A;) Z%,n~+. *..Tp~5.? Q^ +~@m e -441%.; w .,s. .%.W;.
- Ws~ ~s':iC W.%,
w~ w.dw:.y.. y. w c y.oe.::L. '.:-7.< e.%.M. v . .
.:::.;..M i.: .2: *
. . + .4. ' e :- n*.~: , L:-e e..- .w: -
n;wm .q an 'xv~,;q:g t 4 m% ,e -9 ~.h
'w 2
': =8 44_ % , ' A. s.L.c#~ig:.
,%-w, v%.ke - 9,Qwe
& w 2. .;;cg. V:yb 5.<w%,a.y$g..y"yM.
HG k . a 2-
. f W %v . % . ..
% W. 'n . =.M,4.~
-'?- ~.H:W ~
M.M *%. +4~~ ..y - w.. . . . . . I ' $AYW, m
.,, . ~ ,p%,.. .
E$m$70Qh]lWR & ),n, if rM w~.tp.a s.m.v.m.isnW.: p. M W?.$'M *Y:- .
$M! -
1
$$ 4h hWb
- W .,n.~E.mM: n 6M :' ~ a - - w
%, p.v..s;n< $'1%MG
.n i i $y%@..:S
%. . . c.; ..-. -
A. ,;-..
,- . , -. 8
.M; w..',.'.M,, +
.x, .x-. .-
2,..-.*. , ;.. W.
- w. .c . . , ,./--3,,.. .g - . ..< D,*zM.U:c.
- r.c ..-~,' W.s
. e7; *.,
- s, -
-r .*'r. *
- . .. - , . . . . s ,
*.. ++
- .. ; .m y .. . w .,
. f. _ ~ '
.s
. . . s.o, s
-% v y n ; .. ,
, o. ;.;p. .y.
.,m,s p. r n, . . , -..- e c . .,.
. .n ,
- - +
+ s, . . , c. ,.
?* > i >.. . . .
.L:.?; s. L . ' ' ,.y..
.,'..'./.j.-
i, ,,p
. .. *: ,+: m...,e',- .v. sH .ri,"* v. . g. .. < . '
, \cO} - ".: . .;.;.% , ' t--
- 3[:f,, :. -.3 k. '.~,p. * . .
5 . i .,
, ' ~
's . u s . . e ' '.).,.,* .d:- ' :, .,.
- n. #.* - ~ ',7 %. ".'.-
~
. 3 . %. , .,* a. . ';M. . *J^** . .$,.- f .~
- e .e :
.'L..,
; , M .,u '
v n , , L.t,u . - s . y< ; .-n q:. ) ; . - w.>. . - - -- s .
-e. ~ .7,;,. .-
. c.< t 7,. 4 WSO;
- m. . ~
jk,
. .9..w; 0305260325 830524 PDR ADOCK 050003g p
3::; .. P w'
,g . .
- r . w.
.; ;, p..e r.'z.q g.6..
- w. .J. <+. e s:j,(./yG.W.:;-:
..m.
- e.
- e, : .+. . .. . p. , . . GENERAL ,, ../,
u;. :u ..s..,.,, ELEOTRIC
.. . , < w z x. ; -
' ?* ~^ '! er ,,s
Y,* f %';,Y t'ied*? Y k ~~ Q..' Y . W'5-f$h Y sh.
- a n W( ,T
- h A*.id ' , ;C. -: 4L ?. % % i.'-i'.
- QMMbM *MG.ll-{~e & i' % 9.' (:.L W .6V %.sVS*s.= .
* ~
> % %s,..*
p .- f n;:._ s _,%, e .. %{G
, t.y. s . *
. . ,._q.m .,p. %_ , . ;p- . . nw . .w. 3 : nv& . =n- - ?u- m
- u. -
h _ ? -- * -
NEDO-24582 LEGAL NOTICE The only undertakings of General Electric Company respecting information in this document are contained in the contract between Carolina Power and Light Company and General Electric Company for Mark I Containment
. Consulting Services, and nothing contained in this docu-mant shall be construed as changing the contract. The use of this information by anyone other than Carolina Power and Light Company, or for any purpose other than that for which it is intended, is not authorized; and with respect to any unauthorized use, General Electric Company makes no representation or warranty, and assumes no liability as to the completeness, accuracy, or usefulness of the
(' information contained in this document. l t 4 11 f
'NEDO-24582 i
.J CONTENTS Page ABSTRACT Vii INTRODUCTION 1 l LOCA PFISSURE AND TEMPERATUP2 TRANSIENTS 2
- DBA VENT SYSTEM THRUST LOADS - ZERO AP 14 ,
POOL SWELL TORUS VERTICAL LOADS 31 VENT SYSTEM IMPACT AND DRAG 37 . .( VENT HEADER DEFLECTOR LOADS 47 i i i l l iii Revision 1
NEDO-24582 TABLES Table Title P_ae age B4.1.1-1 Plant Conditions at Instant of DBA Pipe Break 5 B4.1.2-1 Plant Conditions at Instant of IBA Pipe Break 8 B4.1.3-1 Plant Conditions at Instant of SBA Pipe Break 11 B4.2-1 Nomenclature for DBA Vent System Thrust Load Section 17 B4.2-2 Plant Conditions at Instant of DBA Fipe Break for Thrust Load Calculations (Zero A) 19 i l iv l I L
NEDO-24582 ILLUSTRATIONS Figure Title Page B4.1.1-1 DBA Containment Pressure Response 6 B4.1.1-2 DBA Containment Temperature Response 7 B4.1.2-1 IBA Containment Pressure Response 9 B4.1.2-2 IBA Containment Temperature Response 10 B4.1.3-1 SBA Containment Pressure Response 12 B4.1.3-2 SBA Containment Temperature Response , 13 B4.2-1 Definition of Positive Thrust Loads 20 B4.2-2 Single Main Vent Forces (0-5 see) (Zero 6P) 21 B4.2-3 Vent Header Forces Per Mitre Bend (0-5 see) (Zero eP) 22 B4.2-4 Single Downcomer Forces (0-5 see) (Zero 6P) 23 B4.2-5 Total and Net Vertical Forces (0-5 sec) (Zero eP) 24 B4.2-6 Single Main. Vent Forces (0-30 see) (Zero 6P) 25 B4.2-7 Vent Header Forces Per Mitre Bend (0-30 sec) (Zero OP) 26 B4.2-8 Single Downcomer Forces (0-30 see) (Zero AP) 27 B4.2-9 Total and Net Vertical Forces (0-30 see) (Zero eP) 28 B4.2-10 Pressure Time Histories (0-5 sec) (Zero 6P) 29 B4.2-11 Pressure Time Histories (0-30 see) (Zero eP) 30-B4.3.1-1 Net Torus Vertical Load (Zero AP) 34 l l B4.3.2-1 Average Submerged Pressure (Zero 6P) 35 B4.3.2-2 Torus Air Pressure (Zero AP) 36 B4.3.3-1 Location of Impact / Drag Pressure Transients on Header 40 B4.3.3-2 Longitudinal Vent Header Impact Velocity Distribution 42 Based on EPRI Main Vent Orifice Test l B4.3.3-3 Longitudinal Time Delay Distribution Based on EPRI 43 Main Vent Orifice Test B4.3.3-4 Circumferential Time Delay Distribution (Zero 6P) 44 l v l i.---- - - . -, __. - -
NEDO-24582 ILLUSTRATIONS (Continued)
- Figure Title g B4.3.4-1 Pool Swell Displacement Distribution (Zero 6P) 45 B4.3.4-2 Pool Swell Velocity Distribution (Zero AP) 46 B4.3.9-1 Vent Header Deflector Load 50 e
I Vi
NED0-24582 ABSTRACT 4 This document provides unique definition of specific contaiment loading conditions that vould result from a postulated loss-of-coolant accident in Brunsuick Steam Electric Plant: Units 1 and 2. Transient infomation is provided for containment pressures and temperatures, vent system thrust, torus vertical loads, vent system pool scell impact loads and vent header deflector loads. The document has been prepared under the Mark I Containment Program to aid Carolina Power 3 Li.jht Company in the performance of a ocntainment structural evaluation. J J 1 f
\
l l l , vii _.. . __ ~.
NEDO-24582 INTRODUCTION This report provides specific transient loading information resulting from a postulated loss-of-coolant accident (LOCA) in the Brunswick Steam Electric Plant: Units 1 and 2. This report, in conjunction with the Mark I Contain-ment Load Definition Report, was prepared for the Carolina Power & Light Company to use in the structural evaluation of the Mark I Containment system. The following specific LOCA-related transient information is included: e Pressure and temperature time histories for the drywell and wetwell e Vent system thrust loads e Net vertical pool swell loads and average submerged pressures on the wetwell e Pool swell impact and drag loads on the vent system .T e Vent header deflector loads Transient information is presented via a series of figures for each of the above areas. An alpha-numeric identification scheme.was developed for the fig-ures such that the alpha designation denotes the plant of interest, while the first three digits of the numeric designation denote the applicable discussion section in the Mark I Containment Program Load Definition Report (NEDO-21888). Transient conditions presented in this report are results of plant unique testing and/or analysis for specific plant conditions that have been pro-vided or requested by the aforementioned utility. Changes to those specific plant conditions could result in changes to the transient information reported herein. If, af ter further review of this document, the responsible utility considers that such changes would be appropriate, the document can be modified accordingly. 1
NEDO-24582 c. t
- i. LOCA Pressure and Temperature Transients i
i I y 1 2
NED0-24582 LOCA Pressure and Temperature Transients This section provides the LOCA-induced pressure and temperature transients for the drywell and wetwell. The initial conditions for which the pressure and temperature responses were evaluated are also presented. Transient conditions are included for the design basis accident (DBA), intermediate break accident (IBA) and small break accident (SBA). The list of applicable figures and tables for this section is given on the following page. The peak drywell pressure and temperature and the wetwell pressure and tem-perature at 30 seconds are identified on the DBA containment pressure and temperature plots (Figures 4.1.1-1 and 4.1.1-2) . The peak containment pressures, the containment temperatures at the end of RPV blowdown, and the containment pressures and temperatures at the time of ADS initiation are identified on the IBA and SBA containment pressure and I tenperature plots (Figures 4.1. 2-1, 4.1. 2-2, 4.1. 3-1, and 4.1. 3-2) . t 3
WEDO-24582 BRUNSWICK 1, 2 PLANT UNIQUE PRESSURE / TEMPERATURE RESPONSE FIGURES A'O TABLES Applicable Figure / Table No. Title Revision No. Table B 4.1.1-1 Plant Conditions at Instant of DBA Revision 1 Pipe Break Figure B 4.1.1-1 DBA Containment Pressure Response Figure B 4.1.1-2 DBA Containment. Temperature Response Table B 4.1.2-1 Plant Conditions at Instant of IBA ' Pipe Break Figure B 4.1.2-1 IBA Containment Pressure Response Figure B 4.1.2-2 IBA Containment Temperature Response Table B 4.1.3-1 Plant Conditions at Instant of SBA Pipe Break Figure B 4.1.3-1 SBA Containment Pressure Response Figure B 4.1.3-2 SBA Containment Te=perature Response 9 o f l [ 4 l
NEDO-24582 Table B 4.1.1-1 PLANT CONDITIONS AT INSTANT OF DBA PIPE BREAK 102% Licennd Power (MWt) 2485 Initial Supprassion Pool Temperature (*F) 84.0 Downcomer Submergence (ft) 4.33 Airspace Volume (ft ) Drpell 164,100 Wetwell 122,000 Airspace Pressure (psig) Drvwell 0.75 Wetwell 0.75 ii e 9 e
~.
s l I J 4 Revision 1 i 5
+ ,e-Sw a- - - -
- 4-t- w - + w--pwy-- ""~-v--- - "
we e-- - " - + +-- P v'm"r---N ^- '- " - " " '9
NEDO-26582
?
. I i j IIN I g 1
i I a I , 5
=
$ $ be I i ? I -
0 I c' I 5 g l 1 yI t! l ! $ E i e a 3 0 2 s i u > s y RJ y o .! 5 I I ! I I "i~ .E
- 1l l l l 3 I la I/ , I iI I 8 I li / lI i i !
l I'N I N [ l
] l 1l l l l l l l l l 1 l
f lI
~
t >\ l l i - 1 l \ l I ll l I l l l I I l I I l l l l ~, I I I I I I \ l ' l i I I II I ,
~
- 1 I I I l\ l l I l \ l i I l i i I I ii ll I I i\ I l I i 5 l l l i I l\ 1 II I I l\ l l l l .9 I
! II I y I l\l I l 1 1 11 I I ! !
! I II I L I! Ji i l I i \1 I I I l l I Il ! \ I VI l l 1l \ l i i l i l i lYil I l l l l l\ l l l l l l l I l l l lhi l l I I I I l l\ l i l l l l I I l l IU i l i l i l l I I ' ii'N N I I I I I I i I i i l l I I I l 1 i . , , _ _ o 3 ($wi sanssawa 6 Revision 1
NEDO-24582 l l 1 l l l l l l l
~
l l l b $
' 8 ::
! y i I l g i o
. i il i I g e I e l
=
3 2 I o i E l Q b l l 5 l 51 3 i S s 2 l l l
' l l l l d- d 6
, g I I g I e E ! e I i t 2 l I
? I gfE- i i ! I i i l I i :
[ l ( l l l l 3 l N I' l i l h I l\ l l l l l l l < l '
\ !
I I l l 1 I I E l l l l l l l l l l , I l l l l l l l l l l l 7 l l l l l l l l l l l i j 9 l l l l I l l l l l l ' l l l 9 l l l l l l l l l l l l l l l l l l l e 'h
~
I l I ! l l l i l I l l l o l I I l l l l l l l l $ I I l l gl 1 l l l l l l [ l l I I I is 1 1 I I I I i i i l l I I
! !l I I l\ l l l l l ll l ' '
I I I I l l l l l l l l \l l l l l l l l l l l l l l l l l l N l l l l l l l l l l l l l l l l 1I l l l l l l l l l l l l l l l l l l I IM l !l l l l l i l l l l l 1 i I i i l I i lh ' ' I I l l l l l C
? % 8 ud awnivusanal 7 Revision 1
NEDO-24582 Table B 4.1.2-1 PLANT CONDITIONS AT INSTANT OF IBA PIPE BRFE 102% Licensed Power (MWt) 2485 Initial Suppression Pool Temperature (*F) 95.0 Downcomer Submergence (ft) 4.33 Airspace Volume (ft ) Drywell 164,100 Wetwell 122,000 Airspace Pressure (psig) Drywell 0.75 Wetwell , 0.75
~
( Revision 1 8
TEDO-24582 I i I d._-j
- g. _w , ; -
> ~k N i i a
$l"$
Ill _
' 3 t 'lio - T d I 5
l ,I I kk.1 Ill I l I l[I ' lh4,pT \ j' N g a Il 1 o 0 - $ E u 83 5
~E- g - t i & R I
gj i t l I-d 3 5 o b I .I T N , 1 N % $
~ Yew 5 C
, 'll 1: \ ll 2 E
g ~
" l1 8
- e S u
!UI E s
- 4
/ e s u
=
o a 1 < c:: 11 -
) N l
N. O < l - ! t
- t , a 4 b i 1 j
+
l l 8 8 8 o 8 o 8, n u - Wo) astuvusann 10 Revision 1
NEDO-24582 Table B 4.1.3-1 PLANT CONDITIONS AT INSTANT OF SBA PIPE BREAK 102% Licensed Power (MWt) 2485 Initial Suppression Pool Temperature (*F) 95.0 Downcomer St.bmergence (f c) 4.33 Airspace Volu-e (ft ) Drywell 164,100 Wetvell . 122,000 Airspace Pressure (psig) Drywell G.75 Wetwell- 0.75 ( l l l l 5 i f t l l i Revision 1 11
NEDO-24582 i. a a d..d a a w > H a x =
- N O 3 %
ll lJ q
; 1 & f .
'%t J O N%f .
f \,1C k Nw l h I" ' \\ ._ __ a h
%\
%\
5 m h3 h - s(ds !5! s u 5 I \\ g 1 1 g es 1 Lt
' \\ U
\\ 0 1 1 <
] }
=
us I m. e o *
' ' ~
m
' i i l l i
I! ! Q k ji l Ii ! r E l ' : I # 1 l R e o 3 @ R (Say awnssawa 12 Revision 1
NEDO-24582 I a a a a W uJ
? &
m e o a L o i a m x - x 5 N A 1 3 ( lll ; i3 I l - l z n W Q e o e N 8; 5 H
~ E_
e (- u
=
C O m LO m i M. O g
' i e i .
U 1 I 4 i I i l 1 ! N u. o 8 8, 8 8 c. 8 o n - (do) awnivuaanal 13 Revision 1
NEDO-24582 DBA Vent Syste:2 Thrust Loads - Zero AP l 14
NEDO-24582 DBA Vent System Thrust Loads - Zero AP This section provides . thrust loads for the main vents, vent header and down-comers resulting from the postulated DBA for plant operation at zero drywell-wetwell pressure differential. The list of applicable figures and tables for this section is given on the following page. 5 i ( 15
NEDO-24582 BRUNSWICK 1, 2 PLANT UNIQUE DBA VENT SYSTDi THRUST LOAD FIGURES Applicable Figure / Table No. Title Revision No. Table B 4.2-1 Nomenclature DBA Vent System Thrust Revision 1 Load Sections Table B 4.2-2 Plant-Conditions at Instant of DBA Pipe Break for Thrust Load Calculations Figure B 4.2-1 Definition of Positive Thrust Loads . Figure B 4.2-2 Single, Main Vent Forces (0-5 secs) Figure E 4.2-3 Vent Header Forces pre Mitre Bend (0-5 secs) Figure B 4.2-4 Single Downcomer Forces (0-5 secs) Figure B 4.2-5 Total Vertical Forces, Net Vertical Force (0-5 secs) Figure B 4.2-6 Single Main Vent Forces (0-30 secs) Figure B 4.2-7 Vent Header Forces per Mitre Bend (0-30 secs) l Figure B 4.2-8 Single Downcomer Forces (0-30 secs) Figure B 4.2-9 Total Vertical Forces, Net Vertical Force (0-30 secs) Figure B 4.2-10 Pressure Time Histories (0-5 secs) Figure B 4.2-11 Pressure Time Histories (0-30 secs) i 1 16
j.. . NEDO-24582 Table B 4.2-1 NOMENCLATURE FOR DBA VENT SYSTEM THRUST LOAD SECTION PDW Drywell pressure PWW Wetwell airspace pressure P1 Main vent pressure P2 Vent header pressure P3 Downcomer pressure FlV1 Vertical force on a single main vent end cap FlH1 Horizontal force on a single main vent end cap FlV2 Vertical force on a single main vent mitre bend (applicable to Browns Ferry and Oyster Creek only) FlH2 Horizontal force on a single main vent mitre bend (applicable to Browns Ferry and Oyster Creek only) F2V Vertical force on vent header (per mitre bend) F2H Horizontal force on vent header (per mitre bend) F3V Vertical force on a single downcomer mitre bend F3H Horizontal force on a single downcomer mitre bend F4V Vertical force on second mitre bend of a single downcomer (if applicable) F4H Horizontal force on second mitre bend of a single downcomer (if applicable) FlVlT Total main vent end cap vertical force = FlV1 x number of main vents FlV2T Total main vent mitre bend vertical force = FlV2 x number of main vents F2Vf Total vent header vertical force = F2V x number of vent header mitre bends F3VT Total vertical force (first downcomer mitre bend) = F3V x l number of downcomers i F4VT Total vertical force (second downcomer mitre bend) = F4V x number of downcomers FNETV FNETV = FlVlT + FlV2T + F2VT + F3VT + F4VT AVH Vent header flow area AVP Total main vent flow area 17 Revision 1
LNEDO-24582 Table B 4.2-1 (Continued) NOMENCLATURE FOR DBA VENT SYSTEM THRUST LOAD SECTION A DC Total downcomer flow area nl Number of main vents "2 Number of downcomers n3 Number of vent header mitre bends dT Total mass flow rate V1 Fluid velocity in main vent V2 Fluid velocity,in vent header V3 Fluid velocity in downcomer 61 Angle of main vent with horizontal 0 2 Angle of first.downcomer mitre bend with horizontal G3 Angle of second downcomer nitre bend with horizontal a Angle of main vent mitre bend with horizontal 8 90 - (vent header mitre bend angle) t l l l l l l 18 Revision 1
;; , ', NEDO-24582
,d
/
Table B 4.2-2
' PLANT CONDITIONS AT INSTANT OF DBA PIPE BREAK FOR THRUST LOAD CALCULATIONS (ZERO AP)
Thermal Power. (102% of licensed)( tfWt) . 2485 Initial Suppression Pool Temperature (*F) 84 Downcomer Submeigence (ft) 4.33 Airspace Vo'lume (ft ) Drywell , 164,100 Wetwell, , 122,000 Airsuace Pressure (psig) Drywell 0.75 Wetwell 0.75 ,
- /
~
/
/
/
/
~
l' r Revision 1 19
NEDO-24582
" ~*
- A+ /
0 Y V f+( I k /? A PLAN F1V1 3 = F2V ( =k' I l 1 ! F3v a I f 02 F;H l l SECTION A-A i F1V1 = VERTICAL FORCE ON MAIN VENT END CAP F1H1 = HORIZONTAL FORCE ON MAIN VENT END CAP l F2V = VERTICAL FORCE ON VENT HEADER (PER MITRE BEND) F2H = HORIZONTAL FORCE ON VENT HEADER (PER MITRE BEND) F3V = VERTICAL FORCE ON DOWNCOMER MITRE BEND F3H = HORIZONTAL FORCE ON DOWNCOMER MITRE BEND FORCES ARE SHOWN IN THEIR ASSUMED POSITIVE DlRECTION Figure B 4.2-1. Definition of Positive Thrust Loads
~O Revision 1
g io NVvcN 0 1 5 0 _ 2 8 b 4 2 - O D E 9 5 N 4 t 0 4
)
P A N o r
, 5 e 3 Z
~ (
)
c e
- , 0 3
5 s 0 ( s e c t r c e o g 5 ( s F 2 E t
'. M I n T e V
I n H i I a F g 0 M 2 e l g n i S I 5 . I 1 2 V - I 2 F 4 B e r I 0 u _ 1 g i - F 0 5 0 0 0 0 0 0 0 5 0 5 0
- 1 1 2
-f gEOu l l 4 < :! 1 4
E yvmN c 0 ! 5 O. 2 8 5 4 2-O D E N 5 4
)
0 P 4 A o r e N , 5 3 (
)
Z e e s 5 0 ( 0 d 3 n e B
) e c
e r s t _ i i E M 5 M 2 T I r e P s e c r 0 o g F 2 r e d a I c _ I 5 t i n 1 e V H V 2 2 F F 3 2 I 0 I 4 B _ e r u g _ i F I 5 _ 0 0 0 0 o 0 0 O 0 1 8 s 4 2
- a_tuoEo*
s
~N
< : a l 1 ;I;!1 l1 i ! *i .i ! i;
!ii!< ,
% 3J New0t 0 g 5
o. 2 3 5 4 2-O D E 5 N 4 0 4
)
P o o 0 r e I 5 Z 3 (
)
c e s 5 0 I 3 0 ( s e c H r 3 i c o F e F V 3
~ I 5
2 ( E s r s F
- M e m
y TI n o c n w o g 0 D 2 e l g n i S l 5 . 1 4 2 4 B e r f 0 - u I g i F 5 I a 2 1 0 1 2 3 4
;95 moEO*
Nu a v 1
NEDO-24582 o 3
- W 1 :
?
O o w z e
+
C
+ n n.
- E - t o
> W > > =
n z n - N w w w w
= -
n e O "J m A 1 C C w n a e U be i o e b W -
=
N s . G u o a N
\
' W u e
- g z C
4
=
w e C a e
> e' i
N.
- C g
=
eo
. .e w
l 1 I f f 1 g 8 8 8 8 8 m $ < u n < (5d'11) 30WOd 24
5OgNVvoN i im 3 g 3 o. 2 s s 4 2 - O o F N 0 3
)
P A o
, 5 r 2 e Z
(
)
c e s 0 3 0
, 0 (
2 s
)
c e s e c ( r E o F MI T t s, n e V g 5 1 n i a M e l g i n S a 0 1 6 I I 2 V 1 H 1 F F 4 B e r u g i F f e 0 0 0 0 5 m 5 1 0 2
- i jd mo8-Nu I
11 l il ,' j. i1 > l ,II
NEDO-24582 A 3 W a e O W z F A n b o o w e N v
- g n U
v e o e i e w m c v R. = a w
- u g .
z w 1 u
, - u
- c.
s e e u w o a w v m
=
. e x
a c n/ a v n 5 4 i N. a v
- e s e
. 4 I 1 8
a S ? R (*mH 30WOd 26
I! I .. o N n0 NeU0N 5 1 3 0 2 3 5 4 2-O D E N i 0 3
) -
P A o
- I 5 r 2 e
. Z
(
)
c e s 0 3 0 I 0 ( 2 s e t c c e r ( s o E F M I r T e n n o c I 5 1 n w o D e l
-_ g
_ n i V H S 3 3 F F t o t 8 2 4 B e r u g i F I 5 O - 2 y 0 1 2 3
- - 4_
2e6 moeo* gu ijli ,i I1 ,1i 1 l -
' i 1 d 44 !' ii)1i i'i' ! i ,1$ ): .Il ,l1
NEDO-24582 n ,. O N W Z R n b
***s A
o W n 5 ef"% O W e C m f C v a U W O U b o O 8"'8 w e U 3
- i: 'O w
=
W _ e > U W 2
'c C
4 N u C b
.o.
O h
>=
e h/ z e m = U
- u. w 3
- @ .N w
l f 1 1 ' f O C b h 8 8
~ ~
7 i (somsowas 1 1 l 28
NEDO-24582 C - e C i 1 e C 9 O O w Z
~
C v m b
<3 o .
u v a e o s a c C 1 d v c e M w C w u
- 2 e n - .-
- 3 v
P a A E U t
~
t" t" a l o . o I N.
~*
m v
- C.
~ 2 ro Ca.
o C I f I C S ? A (Siso) gunSS3Wd 29
e NEDO-24582
~
A N I 7. 6 o w Z 8 T I m
<3 o
e b n v N v n u o a o m I o
- o n
a U .w 1 u w o M i 2 m
. p e ye
/ :::
h
- P i
o W 3 e e o k 1 - o - I N.
.:r sa v
4 3 00 o gme
- e l
I a o 4 4 n n A A t ! i o o o o o o a w n n - (6isc) 3HOSS3Wd 30
NEDO-24582 Pool Swell Torus Vertical Loads 31
EDO-24582 Pool Swell Torus Vertical Loads This section provides the net torus vertical load and average shell pres-sure histories resulting from the drywell air purge to the wetwell'during the postulated DBA. The list of applicable figures for this section is given on the following pa'ge. t 4 l l l i 32
NEDO-24582 f BRUNSWICK 1, 2 POOL SWELL TORUS VERTICAL LOADS Applicable Figure Number Title Revision No. Figure B 4.3.1-1 Net Torus Vertical Load (Zero AP) Revision 1 Figure B 4.3.2-1 Average Submerged Pressure (Zero AP) Figure B 4.3.2-2 Torus Air Pressure (Zero AP) o i l 33
hpyg 0 0 _ - - _ - _ _ 8 1 t E f P 0
. . I 0
- _ _. _ 3 P _ 6 3 . 1 4 in
. 0 E: 2 C :
N E R O _ G T
. _ % R C 0
_ _ ? . . E E 0 _. ' ML 4
' B F 1 U E S D
)
u _ P a _ A __ T _ _ . o 0 r 0
. , 2 e 1
Z y . _ _ ( d a o L g
\ . __
0 0 0 l a c 1 ) a . _ c i _ m . _ e s t s . _ m r ( e
. E V
_ _. M I s
; T u
. jI _. _.
0 r 0 8 o
- ' _ . _ _ _ _. T t
_. - . _. _ . . e _ . 1 __ _. _. _ . - i
._ t
_. . k3
^ _
_. _. 1 h _ _ _ _. _ - 0 - 0 6 1 _ . - )f 3
. . _ . _ ]I _ __ - _. . .
4
. . _ . _ _ . - . . ._ . _ . - 1 1
e
. _ l . _ . . . - r
_ . l . _ _ . _. . j , 0 0 u g
. i . . . . .
4
' i f
F
~
f
$(l -
_ ~ _. . _ . _ __ . _ ~_ _ . _ m _ 0 0 _ _ _ _ - 2 _ . _ _ .~ _. n_ __ _ ~ - e _ _ I _ . .
- _ . _ ~ m__ _
0 4 O 4 8 2 8 1 3y g y ymkmpA H
. O
- Os 0
0 8 1
~.
- - ~ - . .
. . . . ~
- _ . . [
~ _ - - . ...
. . . ~_ _. . - -
. . - _ . - T _ - .
. . . [. . . ..
0
. . - 0
. . {.
.j 6
1 _ _.. . _ - ~ . . .
.{
_ _ . -. . [ _ . . . _ . f . 3
. _ - . - - I . .
. . - ~
.{
- . - ' _ . . . . .- _ . _ 3 .
_ . - ~ - . - . 4 .
.l E
C .l 0
- f. -
N 0 4
. .f E .l 1
- - p . _. . - . - G . )
P
.l 1
f
./ .Q A
. _ . ^ . . - . . - E .
. - M .
- B
.l
. o
' U .{
. r
~
~ .
S .l e
.l Z
. _ -. . [
.l 0 (
- p. .
0 2 1 e
. . . . . . . . j.~ . . I . . . - ...
r u
. . 5 .t [ . . -
. s
. . s
. . . _ . . . ' . . ? ~ . . . . . . e r
_ . .Y P
. . _ . . . . p . . .
. 0 d
}
0 0 e 1 ) g
. - _. . . ~~ . _ _ . c e r
. . _ . j .
- . - . - . . . s e
.dp
( m m
. . . _ - _. . . - [_ _. -
b
. . - . . . / ' . . .
- - E u
- M I
S T
.[
_ - ' . - . e g 0
~ . -
0 a
. 8
. . . . _ r lp. . e v
. ~ ./ . .
A
. .) ~_
. / .
1
. - ./
I 0 2 0
/ 6 .
. . 3
- g. . 4
. . i. .
1 1 h _ . - ~ .. e r
- . . _ . . . . . ~ . .- - . - . [ . . ..
u
- ' 0 g 0
- _ _. % 4 i
. . . . s F
. . ' . r
. . .. ^
^
- . . . . . . . \
_ . - - l).
~
_. . - _ .s 0 0
. . . 2
. e 0
0 0
- 0 6 4 3
_ w 3g t' e s u QFMgh W
50 40 Y [
,P 30 /
= f
- g /,# O
$ Mm f' pd b O
w p l $ 20 ?
#/
f .a
/
/
/
g w. & l
/
io f t
/ ~
I-
~
j SUBMERGENCE: 4.33 f t - -
/ - . - _
DEF LECTOR: 20 in. PIPE p N
,; , i -- --
, l-f-l-lf hl-l l l l l-l-l l-l-l-l-l l l l-p o 200 400 600 em 1000 1200 1400 1600 1800 r
8 ~ TIME (msec) l 9 l Figure 11 4.3.2-2. Torus Air Pressure (Zero AP) l t
NEDO-24582 f Vent System Impact and Drag 37
... -- - -_ - . ~. ... -- . - . .
NEDO-24582 Pool Swell I= pact and Drag Loads This section provides the pool swell impact and drag pressures on the vent header as a function of position and time. Also included are the pool swell displacement and velocity distributions for evaluation.of impact and drag loads on other structures located above the pool. The list of applicable figures and tables for this section.is given on the following page. 2 l l 1 4 38 I
NEDO-24582 BRUNSWICK 1, 2 PLANT UNIQUE POOL SWELL IMPACT AND DRAG LOAD FIGURES Applicable Figure / Table No. Title Revision No. Figure B 4.3.3-1 Location of. Impact / Drag Pressure Revision 1 Transients on Header Table B 4.3.3-1 Vent Header Local Impact / Drag Pressure Transients (Zero AP) F,igure B 4.3.3-2 Longitudinal Vent Header Impact Velocity Distribution (Zero AP) Figure B 4.3.3-3 Longitudina,1 Time Delay Distribution (Zero AP) Figure B 4.3.3-4 circumferential Time Delay Distribution (Zero AP) Figure B 4.3.4-1 Pool Swell Displacement Distribution (Zero AP) Figure B 4.3.4-2 Pool Swell Velocity Distribution
! (Zero AP)
U 1 39
E D.C 8 A.8 C DE D C B A B C D E D C BA BC D E I i l11111lll l l 11I i 1111Ill I i l I O.78 > ,+ 0.78 % + 0.78 > +. l>6 4 0.78 >f +0.78 *1 +0.78
+ , _ _
1.40 _1.40 I 1.40 _ .g 1.40 1.40 ._ _I 1.40
'2.187 T 2.18 '
'2.18 7Y 2.18 ' '2.187Y2.18' i
i I I i I I I (i 14 P1 s ~ l i I l l l l M l ~ ,
*-- 2. 71 -*-*- 2.71->+- 2.71 ; e 2.95 > 1 2 95 e 3B4 : : 3.84 %
2 Z/e = 1.0 zf g . O a i g g y y y _ ALL DIMENSIONS AHE IN FEET A = THANSIENTS T3 h F ,
- F s F s F
& -B - THANSIENTS T4 g" g 4 ; C = THANSIENTS2T 6 ,T ,Ty,T10 6
D- THANSIENTS 1 8. Tg 3, Tg3 k E = THANSIENTS T 6 . 6T . Tg,T12 o D H Figure 11 4 ,, 3 . 3 - 1 . l.ocation of Impact / Drag Pressure Transients on lleader
Table B 4.3.3-1 VENT llEADER LOCAL. IMPACT / DRAG PRESSURE TRANSIENTS (ZERO AP) Submergence: 4.33 ft - Deflector: 20-in. pipe LOCATION T1 LOCATION T2 LOCATION T3 LOCATION T9 1 P T P T P T P INSECl IPSIl (MSECD (PSIR IMSECl IPSID (MSEC 3 (PSI) 0000 0000 0000 0u00 0000 0000 .sove 000s 7.6551 26.6920 7.5532 22.1199 17.7821 13.1938 12.7099 16.0077 17.4790 7.2652 12.1279 3.5783 26.9150 6.2535 22.5259 5.3106 30.4693 12.2879 27.5675 19.9790 95.9958 9.79b2 98.8976 7.6822 101.7249 0000 101.5086 0000 75.5009 00Ud 102.1996 0000 LOCATION T5 LOCATION T6 LOCATION T7 LOCATION TS 1 P T P T P T P (MSEC 3 (PSIl INSECD (PSil (MSECD IPSIl (MSECD (PSIl
$ 0000 0000 0000 0000 0000 00ue 0000 0008 i 5.5291 24.4229 11.6977 8.4996 8.3399 17.2911 1.5298 86.5953 kJ 11.0889 3.3722 26.6812 9.1253 19.4759 5.8130 . 3.7621 7.0831 $
21.5220 11.8954 63.8404 2.6376 53.6890 9.8590 28.5397 6.9505 0D 109.0136 0000 98.7721 0000 95.5029 0000 82.1995 0000 LOCATION 19 LOCATION T10 LOCATION T11 LOCATION T12 1 P T P T P T P (MSECl IPSil (MSEcl IPSI) (MSECl IPSIl (MSECD (PS t 0000 0000 0000 0000 0000 0000 0059 0000 1.7628 53.0395 6.1179 2.7YO8 9.8267 9.2183 1.8660 7.1735 9.9650 7.3537 32.3102 2.9136 11.2156 2.9311 19.1899 9.1329 56.7566 7.1283 98.8976 6983 39.8220 2.9590 93.0939 3.5501 80.58uS 0000 87.7118 0000 80.5171 0000 87.6291 5000 LOCATION T13 to 1 P (MSECD IPSI) P 0000 .0000 g 19.3456 .3969 o 38.6912 7076 A 58.0367 .8883 P 103.2054 .0000
NEDO-24582 BRUNSWICK 1.2 -
)
1.0 -
'k O.8 -
2 C_ 8 d 0 f 3 0.6 - s I ( 2 8 2 0.4 - 0.2 - 0 I ' ' I O 0.2 0.4 0.6 0.8 1.0 NORMALIZED POSITION ON VENT HEADER (Z/L) N EOo-24582.01 Figure B4.3.2-2. Longitudinal Vent Header Impact Velocity Distribution Based on EPRI Main Vent Orifice Test 42
NEDO-24582 BRUNSWICK 0.12 - i 0.10 - 0.08 - _N 5 C m E a 5 0.06 - C . i S 1 5 8" ( 0.04 - 0.02 - O
' ' ' O' O O 0.2 0.4 0.6 02 1.0 NORMALIZED POSITION ON VENT HEADER (Z/U N E DO-245 82.01 Figure B4.3.3-3. Longitudinal Time Delay Distribution Based on EPRI Main Vent Orifice Test 43
NEDO-24582 4a 40 OT1 , , , , , , , _ , _ _ _ . _ _ , , _ . ,
.._-- AT4 % ~.T T J.T"'- _~_~..~. _. - _
32 T,T,T,To
. _ . 2 5 7 i , , , , , , _ _ _ , _ _ _ _ , , , _ _
Z Q 7.711, 8 T13 8 _- _--.
.E. . . _ _ . _
O Ts.Ts.Ts,Ti2 w . . _ _ _ . _ . _ . . . . _ . . . _ _ . . . . . . . . . _ . Q 24 w _ _ ._... .. . .._ ._.. 1 SUBMERGENCE: 4.33 ft .__.._--._ ___ - . . - - _ = _ _ . . . _ . . . DEFLECTOR: 20.in. PIPE u g .._. . _ . . . . _ . . ( 1 ..._ . _. _ . . ... . .. . _.. . . _ _ ._ 16 ( 8
> A 09 ]
O 10 20 30 40 50 60 ANGULAR LOCATION (deg) e Figure B 4.3.3-4 Circumferential Ti=e Delay Distribution (Zero .1P) 44 Revision 1
NEDO-24582 a C . i . i .
! SUBMERGENCE: 4.33 it i DEFLECTOR: 20in. PIPE 7
' i
~
i ! . t i i i e
! i f . .
f i 6
.k '
- tmax = 0.617 sec i
A 6
!\
I t
- 0.578 --
i I i a 5
' _ ._..w._ . . _ _ _ _ _ .
A. _
>- . 0. 54 0 t _ _ _ _ _ ____ . . __ _. _ _
z - i ._...__ _ w i , - - - + 2 4 y ' g ( g , . . _ . _ . _ _ . . Q - I' -0.501 -- - - - - - - 3 ~ I
-- 0.462 -- - - . - _ - - .
2 --
. o.424 .
__! w.____.. - _ . _ . . . i ( . I i '
. _- - 0.3 85 - - - - -
I ,
. . ... 0.346 ' ~ ~ ' ' - - - - - -
x - __.-...i _0. 308 o . . _ . 0 0.2 0.4 0.6 0.8 1.0 1.2 HORIZONTAL DISTANCE (X/R) L Figure B A.3.4-1. Pool Swell Displacement Distribution (Zero AP) 45 Revision 1
hT.DO-24582 50
, i l SU8 MERGENCE: 4.33 ft CEFLECTOR: 20-in. PIPE 40 =
= . . _ ._
tmax = 0.617 sec
\ '
X ' - X . . . . _ ,' 1 g
] 30 g g y
g 20 x
- \ h 0.578 .-
( (
\. 9 ,
0.462 l . . _ _ A ._. 0.424 l _ _ _ _ _ _ . _ . . . O { , , , , , , , , , . N - 0.346
~f ~ ~ ' _.
. . . .X w ~ ~ '
_ . _ . _ . _ . . . . . . 0.308 _ . . . _ . 0 0 0.2 0.4 0.6 0.8 1.0 1.2 l l l HORIZONTAL DISTANCE (X/R) l l l l l l l l l Figure B 4.3.4-2, Pool Swell Velocity Distribution (Zero AP) l 46 l Revision 1 l l
NEDO-24582 i Pool Swell Vent Header Deflector Loads ( 0
)
47 d
NEDO-24582 Pool Swall Vcnt Hstdir Defisctor Lords This section provides the vent header deflector loads from the pool swell resulting from the drywell air purge to the wetwell during the postulated DBA. The loads presented are full scale r anning load as a function of time "from LOCA break, for three values of Z/L (distance along the deflector). Z/L = 0 corresponds to the middle of the vent bay and Z/L = 1.0 corresponds to the middle of the non-vent bay. These loads were derived from the method discussed in the Mark I Containment Program Vent Hea' der Deflector Lead Definition (NEDU-24612). f. l i o 7 48
NEDO-24582 BRUNSWICK PLANT UNIQUE POOL SWELL VENT HEADER DEFLECTOR LOADS Figure / Table Applicable Number Title Revision No. Figure B 4 3 9-1 Vent Header Deflector Load Revision 1 ( 49
NEDO-24582 DEFLECTOR FULL SCALE LOADS 8800 - BRUNSWICK. TYPE 1 DEFLECTOR 20-in. diam PIPE
@ L=0 CLEARANCE TO WATER SURFACE 3.75 in.
8000 - DOWNCOMER SUBMERGENCE 4.33 ft O z/L - 0.5 8 0 o$i 6Z/L = 1.0 7200 - 6400 - t 5600 -
=
C s 4800 - 8 e O 4000 - ( 3200 - 2400 - i I 1600 - 800 - l 0% b 'T ' ' ' I I 1 200 240 280 320 36f 400 440 480 520 560 TIME (sec) NEDO 24582.01 Figure B4.3.9-1. Vent Header Deflector Load 50 L
Y NUCLEAR ENERGY DIVISitNS e GENERAL ELECTRIC COMPANY SAN JOSE CALIFORNIA 95125 GENER AL h ELECTRIC TECHNICAL INFORMATION EXCHANGE TITLE PAGE AUTHOR SUBJECT T18i nut iSE R 81NEi)078 DATE October 1981 TITLE GE CLASS Mark I Containment Program Plant i Unique Load Definition Brunswick GOVERNMENT CLASS Steam Electric Plant: Units 1 and 2 _ REPRODUCISLE COPY FILED AT TECHNICAL NUMBER OF PAGES SUPPORT SERVICES R&UO. SAN JOSE. CALIFORNIA 95125 (Mail Code 211) 60
SUMMARY
This document provides unique definition of specific containment loading conditions that would result from a postulated loss-of-coolant accident in Brunswick Steam Electric Plant: Units 1 and 2. Transient information is provided for containment I pressures and temperatures, vent system thrust, torus vertical loads, vent system pool swell impact loads, and vent header deflector loads. The docu-ment has been prepared under the Mark I Containment Program to aid Carolina Power & Light Company in the' performance of a containment structural evaluation. By cutting out this rectangle and folding in half, the above information can be fitted into a standard card file. DOCUMENT NUMBER NEDO-24582 INFORMADON PREPARED FOR Nuclear Fuel and Services Division SECTION Nuclear Services Engineering BUILDING AND ROOM NUMBER 1887/1204 M Al t CODE 009 NED414 (6/77)
N GENER AL h ELECTRIC , April 11, 1979 ' MI-G-66 5' To: MARX I UTILITIES
Subject:
MARK I CONTAINMENT PROGRAM - PLANT UNIQUE LOAD DEFINITION REPORTS As an addendum to the Mark I containment Program Load Definition Report (LDR), specific plant unique information has been generated for each Mark I Utility. This information includes LOCA pressure and temperature transients, vent system thrust. loads at both operating and zero AP, torus pool swell vertical loads, vent header impact and drag loads and vent header deflector loads. The information has been collected . in a Plant 5
- Unique Load Definition (PULD) Report.
Please find enclosed the -PULO for your Mark I plant for use in structural design and evaluation. It should be noted that ' vent header impact and drag loads and vent header deflector loads will be submitted as an adden-dum to the PULD in the late April /early May time period. Mark I Program looseleaf binders for the PULDs will also be transmitted at a later date. Also find enclosed as an attachment to this letter, a recommendation for an increase in wetwell pressure for DBA structural evaluations. This at-tachment should be attached to the enclosed PULD. 4
/
R.H. Kohrs, Manager-Mark I Program RHK:kad Attachment / Enclosure d
,- , , . . wy . ., .--, m. .-..y-. , , , . _ _ . , , m ,,.-,- . .-._. -- - - -.. - - _ , . -.- ,e--r-.--,-.
Attachment #1
'~ MI-G-66 I .
00i!TAIUMrflT PRFSSURE/ TEMPERATURE Pr9P0tle.E CA1 Ctll.AT10!!S Note: This memorandum $pplies to all Mark I P.lants except Oyster Creek and Nine Mile Point.
- The containment pressure and temperature historien for the DBA presented in the Mark I LDR section 4.1.1 and the PULD's (Figures 4.1.1-1 and 4.1.1-2) are based on initial conditions which maximize the initial drywell pressur- ,
ization rate and the vent system thrust loads, thus the resulting wetwell For example, the initial wetwell pool pressure response is not maximized. value .which resulted in a temperature was chosen to be at its nominal a higher initial wetuell pool - lower Wetwell pressure response whereas temperature would have resulted in a higher wetwell pressure and temperature response. A low wetwell pressure response implies that the pressure - differential between the drywell and the wetwell at any point in time following - the DBA.is maximized which results in conservative vent system thrust ' loads. Furthermore, the presented drywell and wetwell pressure histories are Therefore, to utilize.a bounding uctuell tenninated at 30 seconds. pressure history for the DBA when performing structural evaluations, it is recc=hended that 1.0 psi be added to the wetwell pressure response . presented in Figu.re 4.1.1-1 of theThe PULD sketch shown in document for the 30 seconds for the time period passed 30 seconds. Figure 1 of this memorandum further illustrates the obove reconnended procedure. The containment pressure histories presented for the IBA and SBA bound the expected response for both the drywell and wetwell'a;;d therefore no margin .
' need be added.
l l e l i I .
~
I
~ ~ '
Attachment #1
~
Jil-G-66 4
~
.e f E BOUNDING WETWELL PRESSURE m[
[ RESPONSE FOR OSA g uw E, d - 2w a 3 * . 2.0 psi 1.0 psi j
^
l l \ T WETWELL PRESSURE RESPONSI 1.0 pse F ROM F IGURE 4.1.1 1 I a i 60 30 0
~
TIME (ud Figure 1 l .
. . . . - . - . . .. ._ ...,._ -_ ___- _ _ . - - . __. _ . . . - - . _ . _ -}}