U-600360, Forwards Test Repts Substantiating 1.9 H Fire Resistance Rating of 8-inch Thick Hollow Block Walls,In Response to NRC Question

Forwards Test Repts Substantiating 1.9 H Fire Resistance Rating of 8-inch Thick Hollow Block Walls,In Response to NRC Question

ML20138C975
Person / Time
Site:	Clinton
Issue date:	12/11/1985
From:	Spangenberg F ILLINOIS POWER CO.
To:	Butler W Office of Nuclear Reactor Regulation
References
U-600360, NUDOCS 8512130125
Download: ML20138C975 (7)

Text

. - - . = - . .- - --.

- U-600360 L30-85 (12-11)-L B51-85(12-11)-L

^*I

/LLINDIS POWER 00MPANY IP CLINTON POWER STATION, P.O. BOX 678. CLINTON, ILLINOIS 61727 December 11, 1985 4

Dockee No. 50-461 Director of Nuclear Reactor Regulation Attn: Mr. W. R. Butler, Chief Licensing Branch No. 2 Division of Licensing U.S. Nuclear Regulatory Commission Washington, DC 20555

Subject:

Clinton Power Station Unit 1 Block Test Reports i

Dear Mr. Butler:

In response to a question from your Staff, test reports substantiating the 1.9-hour fire resistance rating of eight inch thick hollow block walls used at Clinton are attached. If you need any further information, please advise.

Sincerely yours, I jh k t:hM . 3 F. A. m angqhberg Manager - Licensing and Safety DWW/cke i

Attachments cc: B. L. Siegel, NRC Clinton Licensing Project Manager

. NRC Resident Office Regional Administrator, Region III USNRC Illinois Department of Nuclear Safety l

I B512130125 B51211 PDR ADOCK 05000461

. f/

F PDR e g i

ED JUL 021985 : '

. inspection

.cvelu: tion

, g .research H. H. HOLMES TESTING LABOR ATORIES, INC. -- ,

i Report No. 1 170 shepard Avenue . wheeling. stlinois s0090 Area Code 312 541 4040 l

June 27, 1985 Lab No. CH 1753 File No. 6934.0 ,

1 Illinois Power (c.

P.O. Box 678 Clinton, IL 61727 Attn. R.E. Alsop Re: 1985 Miscellaneous Tests REPORT OF TESTS Subject  : Investigative Analysis of Masonry Block Method  : ASTM C-114 & C-145 Specification : ASTM C-90 ,

TEST DATA

)

Sample Sample Block No. I.D. Composttion 1 Block 1 Calcareous Gravel 2 Block 2 Calcareous Gravel 3 Block 3 Calcareous Gravel 4 Block 4 Calcareous Gravel 5 Block 5 Calcareous Gravel Respectfully submitte, ,

~

c

+ & , 0 < n. A Richard E. Nelson, Jr. '

Glenn 0. Schumacher President Chemist I) cc: Mike Clem REN/db

l l

.- UNITED STATES TESTING COMPANY, INC.

REPORT OF HOLLOW BLOCK UNITS

] l SAMPLE IDENTIFICATION Sample Rec'd: 5-17-85 Block #1 - 130 line 6' North of Y line, elev. 795'6" Control Building Block #2 - 130 line 4'6" North of T line, elev. 796' 0" Control Building Block #3 - 130 line 9'10" North of Y line, elev. 794'3" control Building Block #4 - 130 line 7'6" North of Y line, elev. 793'0" Control Building Block #5 - 130 line 8'6" North of Y line, elev. 793'0" Control Building FACE AREA DIMENSIONS Block Lg L L Avg. Vg W w Avg. AREA 2 3 2 3 L 'W 'SQ.IN.

1. 1 3 3 5 If so ig L7 it Ei x l5n l5'sz l5 32. 7 at 7,s2 7 32. 7 -32 IIT 7

1. 2 4 5 $ LE 20 ***

1 2*

155t I5 n- I5 sz. l5 3 75 7 5~t 7 51 7 72. I l!. 7 n if 17 It g ut 11 it 15fL 15$$. IFft $5 5 l 31 75 7% 7 [2 II))

20 LO to '2 0 sy 8 87 15Tt 15 5 15 5 15 5 75 7 n,J.TG 1Ng 11 7 7 IP 2.1 to 20 g7 sp g7

'5 56E 15ft 15 9 6 31. 7 fi 7E 7i 7 7ft //t.-z UNIT WEIGHT AND NET VOLUME Submerged Difference Dry Wt. SSD Vt. Wt. lbs. (Displaced Water)

Block 1 38.09 39.98 22.65 17.33 lbs.

2 38.21 39.97 22.48 17.49 lbs.

3 37.28 40.06 22.73 17.33 lbs.

4 41.18 43.57 26.54 17.03 lbs.

5 38.19 39.40 , 22.19 17.21 lbs. ,

We ght per cu. ft. =

SSD Wt. - m rged Wt. x 62.4 Block 1

h. 3'3 x 62.4 = 13 7.16~ 'lbs/cu.ft. I 2

1. 3 *I/ 17 41 x 62.4 = j % .7'L ' ~1bs/cu.ft.

3 SI M/ r?.33 x 62.4~= 1 3 4 .'L 3 ~lbs/cu.ft.

4 +IIF/ 11.03 x 62.4 = /6D./ 7 .lbs/cu.ft.

5 37 87//7.71

, x 62.4 =' ' 13 F. f 7 lbs/cu.ft.

Net Volume,cu.in. = U x 1728 Fm s) Net Volume Area Thickness Block 1 JM. !$ x 1728 = 2 1D 32 Block 2 3 T.'2.1 / / % .~32.

/17.7 4.08 l x 1728 = 4 N3.14 (1 F.7 4 63 I i Block 3 3'7."2.Y / 13 4.~13 x 1728 = 4 20."D )17f7 A.O P l Block 4 4/./P / /.l50.17 x 1728 = 4 'll. M - //7.7 C -O l Block 5 3t .17 / /3 F.17 x 1728 = 476j3  ; Ar.1 4 03

,. . . mw . .Th ~

'1.

I NE [ TW7Anjdinformation series from p# ~~

h

[7 National Q

I 4 jj,

) { l

, ME hi .

Concrete -

@gi g 9 g , 4 Masonry - -

g r*-r. 2 .. . a tch mm- s A Association C ..

1 C 1966 Nat:enal Concrete Masenry Assoc.ation N Estimating The Fire Resistance Of Concrete Masonry i I

l l

T he hre resistant goalities of con.

crete masonry wall construstion are well know n and well respected among the budang prefewonah w ho wor k 3 -c w tf this sersalde proJact Since con.

• "f.Ca cret, masonrs wath can sary in deugn

-E, and the eenc' rete nusents umts them.

f;;, , [h .

selves sary in compositien, this book-

? , let was designed to create guideposts

.. in the hre resntance of Mosk units 4 h]) tr.A .g .

p

-M Iludding coJes are gaite specific in the degree of Ore pro'ection required

')

l '.Qyfl, an sarious areas of buildenp Local

' gim -

builJing regulatsens w dl govern the g  %. concrete nusonry wall section bes. .

g suited for specific applisations h .h {[@h. . .M Qi

'5 4-tm*v? % Jjf

,~*

'.. 4 fire.resatance ratings of concrete Y

masonry wa:k are based on hre tests '

i

[4[ [ ps I I made at U nderw riteri i aboratories.

inc., National liareau of StanJa r d<,.

s 'f: 3@,P.# -

. y

• g %pg Portland ( en.cnt A nocia tion. and

[,Vod .MM i N. Other recognized laborator:es Methods 5 f *: .,- , of test are tiescribed in ANI M l.119 I

j7,ifN.S p

,.. . . " Standard Method of f ire Tests of IIJuding Construction A Materiah '

^

^ [ .p.. u.d ? T7 ,

Qfi ;ic'f5E

. c. T ; ,E The test consats of esp. wing one u *e

) ' 6 ~t '.? )f[h f4K'%'M( ' 3,% .

l  : f

- ,'s_ -9 . . .

of a wall to a fire ef u mtrol'ed inten-

. r Ps. .yy - --

,A y y. ',; # sity f or a time equal to or greater than 1

n'F

,i[ h* F 1 y;p ,YY .T aff.  : '*

tts rated Ore-reustance t t me I m n 'e.

l i- - j ' ' icy deately, the hot face of the wall n NJ

' dg 78[S - - - M,g.

p' p Ih 4

subgct to a hre hose stream

• llearing walk also carry a load equal to 30

. 4 pu based on grow wall area lhe wall t- -

f. ~ O . ,. must withstand the hre test w it h< 'ut i'

J '

pauage of flanic or gases lical tr. no 4 ,,  :,g mnuun must be limitcJ to leu than i

b . ,  % .yi;f 250' f gain in ternperature

.] 2;'

!* Since testing es cry consen ab!c de- '

[' , *

, 9. "7 dj ' , ugn posubd.ty of tonsrete walk is

{ , f *M y;* r (ut g u n fea u Ne. rational n:ethi ds of esti-4

~

f

, f ... ';

.g ; matmg bre reustan s e ratmps h.n e

m. , '  !

been deseleped T hese are h uwed i j {[ l k here.

.(

-}l'Y.l'Q

, r , ,. {[ w . ..n . n r u o m .~

e..e - r. .-...~r r . . . .. s n e.-..e,.. .

,.%&? **

pror nl r.poul o n.ar ha f a t that unJ.r orrJ ee ihr

,t 'A*'.1 2 '

re sa stuneu r per..at .. t he t a r re.sur m e sont t hws

• r lQ[- - *. ?- }or 9Fea>9 9 t he gsne h,en.s l pr . 9 Is ghe hof hr se togt mm' gS$ o,.e no ohr r ea rt.o.. a.,r ~ r . t , ,.m a r e r -a ..r.. . I wettu. the f or hm e s u o r.,m or o . J .a e e s m.oJr '

a *.f**~yfi,,[, , -_A[Vl*

m., ,,~,~.-~s., v, ,,h. 99.

An trJ so ohr )a t ar r esur.em e se s s. t hs e I ei n. , h ,, , , , *""*"**"""'"~*""*""

l

[

.?

- Fire resistance of concrete masonry j

walls is a function of aggregate type and equivalent thickness of the masonry units (  !

i i

The fire raistance ra6ngs of most Equivalent thickness of hollow units page are for fully protected construc-conirete masonry wall. 2re deter- is calculated from actual thickness and tion in which all structural members mined by he.it transmission m:ssured the percentage of solid materials (see are of incombustible materials. Where by temperature rise on the cold side. calculation of equivalent thickness on combustible members are framed into Few walls fail die to load during the next page). Both needed items of in- walls, equivalent solid thickness pro-fire test or durmg rooling under the formation are normally reported by tecting each such member should be fire hose. Fire endurance can be calcu ' the testing laboratory using standard not less than 93 percent of the thick-  ;

lated as a function of the .ggregate ASTM procedures, such as ASTM nesses shown. Plaster is effective in j type used in the block unit, and the C 140 " Methods of sampling and test- increasing fire resistance when com- t solid thickness of the wall, or Ihe log concrete masonry units." When bustible members are framed in a con-equivalent solid thicknns o[ the wall oalls are plastered or otherwise faced crete masonry wall if it is applied on $

when working with hollow units. Oth fire-resistant materials, the thick- the fire side of the wall, opposite the i

- Restits of research relating fire re- ness of these materials is included in combustible member. Fire resistance a sistance in hours to the equisalent calculating the equivalent thickness of hollow unit concrete masonry walls thickness of hollow concrete masonry effectise for fire resistance. can be increased also by filling core of various aggregste tyWs is shown Estimate.1 fire resistance ratings spaces with various fire reststant below. shown in the tabic on the opposite materials. 4 i

I I I I I I I 5.0

~

j PU MICE

~

f A

4.0 - ' )

EXPANDED SLAG \ [ ,

g EXPANDE0 SHALE OR CLAY O 4 c 3.0 1 7 LIMESTONE SCORIA E ' CINDERS, OR UNEXPANDED SLAG W N

~

l z CALCAREOUS GRAVEL

~

h '

l T h SILICEOUS GRAVEL y 2.n  % '

l f b

s 6

4 i.0 I / I I I I I

~

1.0 1.5 2.0 3.0 4.0 5.0 6.0 7.0 8.0 g EQUlVALENT THICKNESS IN INCHES ,

( l l

l

/ 1

, Cricul; ting EquivalInt

, Thickness CONCRETE MASONRY v

ESTIMATED FIRE RESISTANCE RATINGS ouon u..s

~.

e '

conEvoS p /\

MINIMUM EQUIVALENT ,

THICKNESS, INCHES,

(

FOR RATING OF: 2 'o'CS'.Us

.,[ .s -

AGGREGATE TYPE I Equivalent thickness is the solid thschness that would be obtained it the same 1 hr. 2 hr. 3 hr. 4 hr. amount at conc,ere coniamea ,n , noiio,

, unit were re cast without core holes. -

PUMICE 1.8 3.0 4.0 4.7 Calculating Estimated Fire Resistance Example EXPANDED SLAG 2.2 3.3 4.2 5.0 An 8* hollow masonry wall is constructed of expanded slag EXPANDED SHALE OR CLAY 2.5 3.7 4.7 5.5 units reported to be 55 . solid.

What is the estimated fire re.

sistance of the wall?

LIMESTONE, SCORIA, CINDERS, OR UNEXPANDED SLAG 27 40 5.0 59 (modular units)

Ea Th = 0.55 x 7.625 in. - 4.19 inches CALCAREOUS GRAVEL 2.8 4.2 5.3 6.2 ,,,,,, ,,,,,, , ,,, ,,,, n,,;,,,,,,

requires 4.20 inches SILICEOUS GRAVEL 3.0 4.5 ""'"'"""'""'*"

5.7 6.7

' Percentage solid can be calculated from net area or net vosume values as determined by ASTM C 140" Methods of Testing Concrete Masonry Units." .

~& ~

~-- _

~

s,p ' s-l2 m. ~

go m_ ~

Brich 8kxk ~

[ lh' E4Th* _

1. ,p- g,,ck giock Eg Th .

, l 1.< -ar _q s r -r s-

~

p f,/,,, /

- ,,,,,,,,,,,,,s

,,,,s,

- ~ /

~~ / s s,P' a> s y

/e" /, '

~ &n , .

. /

/

e," / / /,

$' %//

/

,\ &:e l a ~-

'l /

/

/

/

/

/

,/

/

\

l so m, ,,,

,, - /' / ,' I su -

/ / / 1 En th .  % / / ,,,,- t o .n.

/ y- l

, ~ 4 r-s r ,/ ,,, '*'

cav.tr -

/ / < < -s s'.~ ' d /

/

/

Series of wall sections showing equivalent thicknesses.

~

4/

/~

l

h N, # , g 4-y s s _

x\s gN N N N, Z

'N 's x Qgk{ -

N 'N - N

'N b N

l 8 Re.ntm

• Eg Th . 7.7* I Eq Th . 8*_ 3-

.g  %

is s %

"u

/p ,

s \s O \ M 8yh N

o \M\ skis \

//// b c

B E\

is\

s N NN N 'g \ s Uu B///O 8 s MQ\ \\% \ \ \

sss

\

)-_ -/,jM/ h Bc

/ p;s y\'st 3, $ s

% x

's Ns s \

s s

(

s s

\s\ss

-///s/. f q{h g\s 's'ss

~

\

= \\

z -

/j/ - { s's

\

~"

l = -=

\ '

8.

Hotto.

10 en. Bach- 4 en. 6.n. 12 m Stock Cavety p.,1, tam Hoiso. Homo. g, yn ,

Eg Tn .,

60 80% $5 50 60 % 38*-46' 31;; A91:; al'a Series of wall sections showing equivalent thicknesses.

,) D NATIONAL CONCRETE MASONRY ASSOCIATION P.O. Bo2 9185. Rosslyn $lation. Arhngton, Virginea 22209

-