ML19319A630

Insp Repts 50-269/68-02,50-270/68-02 & 50-287/68-02 on 680305-07.Nonconformance Noted:Concrete in Unit 1 Containment Pad Failed to Meet 28 Day Specified Strength Test.Info Re Bacterial Analyses Encl

ML19319A630
Person / Time
Site:	Oconee
Issue date:	03/28/1968
From:	Long F, Seidle W US ATOMIC ENERGY COMMISSION (AEC)
To:
Shared Package
ML19319A629	List: ML19319A628 ML19319A630
References
50-269-68-02, 50-269-68-2, 50-270-68-02, 50-270-68-2, 50-287-68-02, 50-287-68-2, NUDOCS 7911180066
Download: ML19319A630 (39)

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Roport of Inspection '.in.,,, 7 -O . n :. e ,mN 3, f.y' . V.. ;, co Roport No. 50-269/68-2 ) s FM. L t> / .v 50-270/68-2 ~ ' 40 '. 3 .b ' 1,' 3, - 50-287/68-2 .i t . m.. .i m. 1f.13s .e - } -3 M i-';f.. Licensoo:- Duke Power Co:npany ,.~. CPPR-33, 3h and 35 . !J ' l Category A f ( Dates of Inspection: March 5, 6 and 7, 1968' y 1 Date of Provicus Inspection: February 1, 1968 .f' ,.( .r L / - y

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) --'L'-. f*n e.l& a 3/27ks". . : ', y}, ; Inspected Dy: Willia:s C. Saidle, Reactor Inspector ~ Da'to

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[ .Roviewed By: D ~M - k 8[ d ~ i F. J. Long, Senior R6detor Inspector Date' a e, .4 r;.. n..., ( 'n.'. 3. 3 + + J i .. '. L, Propriotary Infomation: ; None-i' an .~~. M .m. ~. s o

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's W......,; A (.' y ': l ". u sF' J. ! .j'm'..:).f, ' q 7 N 'Jf , :. c.p 1 L.h, ,@ M. y. '..'.. -. SCOPE 'l 3 ..j ,..,'1, A . t. e }, t b ) n' announced visit was 'made to the sito of threo 2568 Mwt pressurized W ' ' I h' y. l, vator power reactors now under construction near Seneca, Sout's Carolina. W,. - H : c s Particular attention was given to the overall quality assurance progra:n, ".<'m. D ?. and to the struct".ral concrote and roinforcer.cnt associated with Unit. V 45 d! * 'No.;1 containcent' building pad. ' i i

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' Safety Items _ - None ..'i:E .h.?,. .Nonconformanco Items _- One item was noted: Test cylinder break test, ': 0 - results indicated that some concreto associated with the Unit No. 1 ,d. containment building pad, first lift; failed to mo'et the 28-day I fe r-lcht' specified' strength requirements. (Sco Section E. 3) [ i;- p-r. i -Unusual Occurrences - None p + i Status of Previously Reported Problems 'Itcro woro no ite:ns of safoty significance or nonconfonr.anco noted in the previous report. [ - Other Sirnificant Items - Concreto placccent for the second lift of the Unit No.1 contairment building pad is in progress. Concreto compaction + around the bases of the tendon twapets, as viewed from the tendon inspec-l tion gallery, was comploto. No concrete work has started on Units 2 and 3 (SooSectionB.1) 1 p Excavation for the station intake cooling water structure is nearly up[ i I g I ? to grade. (SeeSectionB.4) f

• K Concreto placement for the intake canal skimor wall is 65% complete.

~ f y (Sco Section B.3); T u J '. ', On-sito Duke QA inspectors have.dotected defective wolds in vendor-fabricated thickened floor plato components associated with the contain - ' ~: 1. ment building leak tight liner installation. All welds are presentlyi 'being repaired. (See Section H)- { l]@y..r.73 ,ws migIn~ situ inspection of numerous Cadwelds revealed no defectivo splices.- E L d - ,: F.I i ' (See Section G) 1-f s . / l)'ananement Interview ~' An interv ew was con uc et d with Hager, Dick, Rogers,; t. + i d r l

p ".- ' and Wells at'the conclusion'of the inspection. The following' items were

^ U,P ;.. discussed: ' l '_. i m 1 y*l. (% ~*.' I1. ' Organization i l j! 't; , ^ J y ;.o.Duko's lack of success in staffing the civil, mechanical, electr ca, '., % - ic J and office field engineer positions was discussed. Dick stated j o k' that just prior to this neoting they had hired an olectrical field ' 9 } K,g.:

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{#),'.7,... . ~ have been unable to find qualified men to fill the other field engineer. According to Dick; the Ccmpany's recruiting personnel - j ' " ' ~ ~ ' . Q '? - engineer positions. Ho concurred with the inspector that the .S' P. field engineers contributo significantly to the QA program, and .o - - " ~. j'(;.., e 7 thorofore, priority should be given to staffing theso positions. M 2. Concreto Prob 1cm e

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- The inspector asked if considoration had boon given to a)ro .( drilling.that quadrant of the pad which, based on cylinder ly:g / break test results, contained concreto which fall bolcw tho .P> 7;' specified 28-day strength of 5000 psi. Rogers stated that a pp 3 few 6" x 10.5" cores wculd be rc~.oved for tests. He said a s , - 1; ~ drill was located and should to on-sito within the next two days.

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'Iho inspector expressed concern that becauso the batch plant is (. bi -a cocaercial operation supplying concreto to soveral largo custccers, - 2 '?. ~ _ Duke is not getting.the preferential treatment they chould. This f, si -l N ' - was noted particularly during batching, hauling, and placc=ent of the high strength, low shrink, low slump concrote for a section of R- .the Unit No.1 base pad witnessed by the inspector on March 6. l G,. '. Dick stated that this item, along with other batch plant deficien-l - t - Y s,.;v - 7-cies noted, will be discussed with batch plant management in a . p '!%.,: qi meeting

9. eduled for March 13.. He said also that tho obtainment

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. D>C)3:YO.W/M '.to requesting Florida Steel to provido a mill heat sample bar WR ~.The inspector asked Rogors if ~no had given additional thought 'q y.;p$, f4 [' - R 'with each rebar truck ship:ent. (Thesamplebarwouldenable. 1.. dtw M s '. Duke to conduct independent physical tests at the site.) ~ 1 '? . > 1 :. . Rogers.said ho contacted the mill by phone on March 6; honceforth 3 c 1 i. t 'b' two cample bars repmsonting each heat will accompany the shipments.; + l ,l s L J... n, ', 'M,. + * ~

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<".. ' a. J. V, ~' + 4;pg;49se.;f:h h [a.... '.,, t p ...m .W.., s 3,. .: d ;-. 4 n ,r> n. *sg** s**.; i. ,. n;3-av. J tii N 4 @. P;l,1 O,:WJ, q. p* - 4 .W. 4'l E '.' 5 Derective vendor Welds x'~ ' Personnel at tho _ interview shared the inspector's concern c._ - 3 ;u i' ' t ' that many of the steel components cupplied by the Southern A , m.. Boiler Shop, Memphis, Tennesseo, contained defective wolds, f. N'i ~T. all of which had been inspected at the shop by a third-party Dick stated that Duke was somewhat remiss in not - . l .t =QA inspector. 'vorbally infoming the inspector that these particular wolds 'C must be leak tight. However, the QA inspector did have a copy ' E,, e i g,p ? ~ of the specifications which, according to Eccers, spells this $'.C Dick said that in an effort to ' ~ requirc:r.cnt out quito clearly. correct velding deficiencies Duke has:

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- y _ a.f Brought the third-party QA inspector to the sito to

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~ observo the defoetive wolds. s'a Added a cecond inspector at the Southern Boiler Shop ,s, i,, -I Q 1 b. d-(Dukoman). ,.' i\\ l ,.. _.z.o m: ~ - : 'c. Instructed Duke Engineering Division to also provido ~ ' verbal instructions, as necessary, to alert the inspector j r :..,... ,... h l ; J ' i' i Mp:p,t : sl!i.E' -,; ~ ;_ to the quality of welds required. ~- d 7 +- ,y r n ..w w. DETAILS _ ? U. S.1 M.: %,

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,Q ilhM$h?'[J. R,1 Wells, Principal Field Engineer

[. R ig;# ' R. L.~ Dick, Project ManagerJ.-C. Rogers,ProjectEngineer/QAEngineer_ .y M M[-) g jiO M M g.L R.1D. Wylie, Job Superintend &nt' e h Concrete 7E 4' ',p' 9. f b R. B. McCrary, Supervisor of _ Toc. -9. C. R.' Baldwin, Concreto I t.tf ? W. C. Hughs, Concreto Inspector. (Placing and Batch P ant), i M i.:; @ j '; l M G hj M j T-R.1R. Crooms, Concrete Inspector (Batch Plant) ' 4.. 3 J.;T. Moore, _ Chiof Wolding Inspector.

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'I D H. J. Young,' Assistant Welding Inspector f.' lilM'N #' J,,H. Fotorson, Fiold Engineer - Electrical (Nov hire). g4 i A P. Hager, Design Engineer (Charlotto Office) 1 ' ' i b. -. p St 5 1T. E. Touchstone, Assistant Job Superintendent i,H@;\\v. ^ *f d'... 4 r- -. q

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'; 3:;,3*.2 :f 'Creenville Concrete Comenny c,;- .4.. g y. J... E.f ?.-g:*M. H. H. Mitchell, Vice President - Testing and Roscarch - . ~ -... -.. mW The Prescon' Corporation yf.;.x. D. Kennedy, Field Superintendent (Contairracnt Bldg. Tendons) c~- v; I -[ r.Q y m.( ,y v, 7d'c - B.[AdministrationandOrcanization r 1 e, .,j. l .1.'. Duke Management Channo - N. S. Ice, Vice President - Engineering, was recently appointed 7 's,. to. the Duke Power Company Board of Directors. ,2. 7 Duke Construction Organization e .i \\ y-y: 5k John H. Peterson accepted the position of Field Engincor - (Sco Attachment No. 1) He was a shift i. >t, Electrical on 3/6. Although supervisor at the Piqua reactor prior to joining Duke. 4 not a' collego degree holder, he has been through the Navy nuclear, s ,; f'

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} ) training progra:a including the 26-week course in Nuclear Power i. He. served aboard tha N.t ,. ii,, /q - 1 ' Engineering sponsored by Westinghouse. U.S.S. Nautilus.= . p. u.s R. The civil and mechanical' field engineer positions remain vacant, L. =: : .z. } ~ '.. h.MQ '~Y. T and according to Dick, there are no qualified candidates in sight. : W p; {r p.. }. n. ,;,.2.W3;,;QA Inspector Exnerience .c m g'ft.n ;. [', yR, /;.c; M WWF At the inspector's request Dick provided a' brief e 3 n., V.4.',

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~,- ] 1,"QQ 71;/ @,s' Q.8.~, McCrary (Supervisor - Concrote Inspection) 3 I }% ( , - 6( =n; g..Lp...p-, p.:, State Highway Dept. - nostly involved.-' .. e, t.sp 3 years College /,, 4, ,j 9~. 7 e ;; , ? !;f '+ j ?

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-.n .l j j p 'tM with concreto testing.. N, W;, m m. j ' M.;c.,E. T v. Baldwin_ (Concreto - Placing and lab. Technician). v. .;. r ~ CJ. H ; '. ]j*]V ' j9;G4 % ).'j Y;: 1

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. f ;. o,H b ' 2 years collego (non-engineering) e,e y. iM.M 11 year experience with concroto- + l yjj% O : A. 3: '

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- ~ - -, - - - - - - years exporience in concreto lab. 2 '.lb lf r. 2 Grooas (Concreto Batch Plant Inspector) j - 4 g .j c[. T 2 years collego (non-engineering). g R N., cy PresentVy in training status - no previous concreto experience.' 1 ~ i Boggs (Assistant Field Engincor - Civil) 1 + College ~graduato(non-engineering) r i: / . Air Forco pilot - 20 years + - e Construction experience with Daniel Construction Company L 7-. w, Hunnicutt (Assistant Field Engineer - Civil) j ? ,e .7. l J ; CivilEngincoringdegrco(GeorgiaTech,1962) L^

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~ Concerned with cabedr.ents,. strain gaugo installations, "J (.W i. ;, prestressed concreto. -r> t

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3. ( 2 ~ s. 3 . L 4. h Young (Assistant Inspector - Welding) %, '... O I ..c U 3 12 years in AEC cheaistry lab at SRO. 'O fri;! C 'S..'d.:. .dyearinnon-destructivetestinglabinColumbia,S.C. .j S ?. .o i - I; ' '. a l lGH .Recenth ccupleted one week courso in radiography sponsorod D g.y g;; @yN, by Pickor X-Ray, Cleveland, Ohio 7,. n -F. ~.,.. - .~. a -. n. r; .. y y, ; ?.l;[,,. c ' !, i,- j N ;,~ ~ g t Smothers (Assistant Field 2ngineer - Mech) a:

s 9@-.;d 4 : M. E.' Degree (N.C. State U.)

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..] C ? 9 ' p' $ i 7 ~ 1 I ] N diY Y /* '.; - 17 years construction experience 3,. i.N ', J ' - ' ~ V f l Worked for Du Pont and New York Shipbuilding. i 7g Jjd: 'E 4.;d,i J,:M. R.x* Hasloxperience'insp.seting piping systems. l . f.. # - ,4 ' } *n p _ n. . t 1 .s. --s ( -] ' p ' f:a.-Nr Moore (Chief Wolding Inspector), /d ;.; 4~ 2' ' s i . g,1, ' l

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yr c . 25 years welding experience - worked for Daniel Construction: Co., [. j 1 i L %g.' * ~j?g: Recently completed one-weck course in ultrasonic and other* < . shipyards, paper plants. 'l rC b "; '. -non-destructivo tosting nethods sponsored by the Sperry + y~'y' .. Products Corporation, Chicago, Illinois. ~ -i< g ', n:; '* Q,. t.

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u. c. e- . m y .. : }s.4.g c; ;~.g,.,.L.m v.. ;...q',".. ' * -7. - p. 4 ',s a 7 - i L.*.. b Q, %', @' ~ Wylie (Job' Superintendent) i. q ;_ < : .O.., M .,;P' 25 years ecnstruction experience - all with Duko 't j ? Dick agreed with the inspector's observation that many of the QA inspectors are limited in experience. However, Dick pointed i; . :: V. '<, M. '

• ~

out that such non as Rogers, Wells, Wylie, McCrary and Moore who. y,e, experienced work closely with the less experienced men and. e - ~ ~ are continually providing on-the-job training. Briefing sessions.. .) i

4 are held frcquently to alert tho inspectors to items of QA signif-ij' -

~ .icance that may be assoc ated with a now fortheccing phase of i c'. construction. s G> v 7 4.. Classification'or Project Identification + t 43-According to Dick the several Duke projects are identified as' follows: 1 n 4 y ' ~., g.z. Xcowee - Toxaway Project Complex includes, j p sr s L [ E,., ". das (not hydro. facility). The project is about 12% complete.. f' Keowee Project - Kcowce dam and power houso; Little' River w.. v > t. Jocasseo Dan and Power House Project - (Operate in 1974) .e.. ". '... : i - W g :a, t.., Oconce Nuclear Station Project - Three nuclear power stations 1 g 1' 9 designated Units 1, 2, and 3 Based on dollars spent the . 'W Y J. '9 +' [i... a, i g.. project is about 5% cceplete. 3 ;;; ] . lN. "6., ,g. 7 '); ! (3 -.

• 6

! l'.g*, ~ J 5.. B&W On.-Site Representation ' y.' 't 6, gly." }' %.; pq: .- i jyl; :ge X? stea:n generating systems will arrive on-site about January 1,-

1. '

,.J {( ' According to Rogers the first B&W equipent associated with the dh...) 2,.M ' 1969.. BLW will have personnel in residence at this the to .n? g r

• 31g & ', 4 receive and store the equipent.

. p . a i., a; qc - c ji V ' * ;;. ;<ij. inspector.. .t a; y.;ig f;.E.] An IBK-typo BkW equipent schedule was reviewed by thoThe equipent 7 ,i .%)[ p p, l...and delivery dates are tabulated on the data cheets. h, 7.l,1. o7 ~ si 1 ~ +. A.

• s.

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J'. ~1 , (,j y J _; * '. ( J-i, p ~^ g (* N a bg - 7.-. .s.: = 4.. - --j. -. L p -~.7 -~~~~$ v, t r - .w - ? ***? y+f ,.,1 w. .~ s % y y =- . - - = -

? f.. LJ Q p~,r-. i 46v=+4 u u.- u.'* ,,e 3. +. , '. -.,). .,...v. vt - s ,s: C 9_,9 7)e,J, y %.f; y eWj'Un.[. .J,~.T.% ' W. %. :y:. L r.- @La L.. a ,. < n.-. ;i.:, ", ' f.,:; s W' f Q n-M y;:fr A. ~ r. I 1.;' p *.,, s. .x -. 4 g.c p*3.g'(- u- .t ,,. y\\. s . g...... '. n;.. ; y. u t y z.ie .., y v.-, - a j r M # Q ;.c;...3 4,p ;, ;, ',. 5 ,, p, j/ v...), ,q 41 ..c{f,, a; - i t . n, 2 4 e, - .t c.

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~ B ' ,r. ~ '. Constimetion Progress a

1. Unit No. 3 The containment building base pad is being placed in two lifts l

The first lift is completo and contains about 2800 cu. yds. of S concreto. - This placement was mado in' four separato pic-shaped ~ ~ ' ~ ' 'y, pours of 700 cu. yd's, each. Placenent of the first of threo I + i sections in the second lift is cceplete. This amounts to an *

tv

~j wh S ~ l:.] j [ additional 500 cu. yds, for a total of 3300 cu. yds, of pad concreto placed to dato. ll3.

s The The tendon inspection gallery concrete work is car.plete.

l' i inspector nado special noto of the appearance of the concreto in the coilhg, particularly b the vicinity of tho tendon trumpot. [ base plates. ' Thero are no observable voids in any section of the. f-ceiling. Installation of the two 11' 6"-diameter (3/8" wall thickness) . carbon steel intake cooling water lines is about 50% coa,. 'to. N, r c - o ns

• - h.-e,. i 2.

Units No. 2 and 3 b,7 The basic excavation is cceplete. There is acco rock debris i i L frca the tendon gallery excavation that must be removed. However, l b:'l3 i, ;'c' . thoro was.no work in progress at either of these units during the Om .1 visit.. p, o 3: .m } (, j. +j 3., Skimir Wall - (In Intake Canal) c 3 . c. 3.. % # 4 4 p ,, y"gl,' Construction of this 675'-long concrete wall is 75% complete. V J d' t ,e k, 7'% a,.., f :. - About 3000 cu. yds. of 3000 psi strength concrete have been - }- ' tf,. T.P. ; placed to date.. Priority is being given to cenpleting the 'ly ,$' g~3-lg , structure by May 1968 as the lake back-up is scheduled to start ' ( '3-f. ,y 4 _,n s j g,1

pg,y c ? about that time.'

, j.. -. c, - I . h.,

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.,s f'3 O N;; Intake Cooling Water Structure z '! '[ Earth novers are working in this area; the excavation is almost ' .i o ..s., G 6{.3g l' i ~ .is; fp h,U.,[,#:h nto grade.- .c ,i ? . n - n ~' ? 1 i, g y.+ { h - fi-K . s... s. g; . ;. ; p..,.. .c i 'i 25 \\ *j. [* f a (continued).- g %F,'. 9~, m., j n , Y an v^ + .Q,:.t q3 y' %l o-t 2 q b+{ ;, N.7 ,i 1: j;G

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e Le.

'." % t,...^ s. e ? 9 m -..~. M i ?$ C. Latch Plant Operation '- Hauline to Site .n n.' 'L / The inspector, accanpanied by Wells and Rogers, visited thd Clemon Concrete batch plant on 3/6 to witness the batching, loading, mixing,- gf '.and delivery of 5000 psi strength concreto for uso in the Unit No.1 ~ - - - - 4r, pad. The following items of interest vero noted:

a..

.Q The plant is a fully automatic, 100 cu. yd. per hour, Butler Bin

".c facility privately owned and oporated by the Greenvillo Concrete Co.

5 .The plant' is equipped with an icing ' facility whereby snow can be added, ' N.L h .as required, to control the batch temperature. The. course and fino aggregates are stored in silos. Remoto operated allo valves open on demand and allow the material to flow onto a ? ' conveyor bolt system which dischargos into the hopper. Dual moisture probes are used for dotomining the moisturo porcent in - f the aggregate. h' i @ a The plant hopper scales are calibrated by the Fairbanks Morso representa-3 , tives, of Grt.,cnville, S.C. 'The inspector noted that the calibration i sticker dates for the last calibration did not agrce with the Hopper Scalo_ t-

Inspection'and Service Report (Soo Attachment No. 2). The report was i

• ~ dated 1/27/68;thestickersweredated1/20/68. This discropancy was pointed,

l , y out to Mitchell..- He said they made two visits, one week apart, and 7.g '., apparently neglected to change the dates on the stickers. 'I $1- . DJ;. -: -- The inspector. observed the batching of 7 cu. yds, of 5000 psi strength t ' f' concreto (C-2 mix). ~ Grooms,'the Duke QA inspector, was observed checking, ' ' d. the hopper weights on tho trip ticket and noting the number of the truck ^ K,'::l(No. 92) that received the C-2 mix., 'Ihis check is important as other j~ h.[:H;M'"truckswerereceivingconcretoofadifferentdesignforplacementat L Clemson University. He indicated by his initials on the ticket that the. a y,1 ' batch was of the specified mix. He transferred the trip ticket fran the Q'~ control room directly to'the driver of truck No. 92 by means of a capsulo r, j chute device. / Grooms also maintains a Record of Concrete Batched data 'I .[y, sheet, an example of which is shown on. Attachment No. 3 i d j@ N ?. 4 The driver pulled the truck out fras under the hopper chuto, parked,. ~ %:r.m increased the drun revolution rate to " mix" speed and pemitted the dnia di L..to' turn until 70 revolutions woro noted on tho truck revolution countor ids (mininua turns specified). The dr a turn rato was then reduced to the fi .J alower " agitation" spoed. Mitchell then obtained a theolbarrow load of Sg. Ua ;#.e..- yh.; ;, c .~1 m . - ~ 3 s (Continued) - k- - [.Nh. 3p, l' j i ; ~ c e x.., s. W.~.n, )%, .,g gdy 'b, " * ' 'I ( w. n,f. ; f i; [p *, [.f 4 I f. m" g -., f t p w r.v-e r i a _ Ri ;b, ;

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( 'V' ~"4 g, g4 my s l i C r bf L-'

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-v 4< .I N,. ' concreto frc:a' the truck for simp, air content, and tcaporaturo accourc-1! . nonts. g,i',c ' ;

h..e batch plant tost results woro as follows:

, s!. 1 D j Slump 3" ,1M 7,j.' % Air 3% Q;,);. _ Temperature 50' F .l /,' ? Ambient air temperaturo 64* F \\ n. e'- 'Iho inspector followed the truck to tho site, a distanco of 9 hiles. Tho l N ; '. hauling time was about 20 minutes. The truck, after waiting about 10 j :. 7. - ninutes at the site, otarted the unicading operation. The concreto was ,h. placed in the Unit No. 1 base pad. After about 1/4 of the concrete was 1 dumped a whoolbarrow load was obtained for field testing and ensting of 5 - 'f. ,, test cylinders, one set each for 7, 28 and 90-day break tests, a The field test results voro as follows: s

tl Slump 2}"

(lossofA".3%) ) % Air 4 3% (gain of 1 i{ Temperature 52*F...(gain of 2*F) (same as batch plant reading) > Ambient Air Temperature 64*F Q, ', 2 ('!'. The inspector compared the weights of the batch ingredients automatically 5 ' printed.on the trip ticket with the design nix weights for C-2 concroto. The comparisons 'are tabulated below: u ~

77. T.,..

.,. - A ( C-2 Desicn x 7 cu : Hs. , Trip Ticket Hopper Weights

b' :Inpredients_,

Truck No. 92 (7 cu. yds.) +

$y md.

QS.: i Ec,. Sand'-

7875 lbs. ' 7890 lbs. N,, v.; t (df? f -11" Blacksburg ./ 7700 lbs..< 7740 lbs. 4;GW ~ Stone' r 'N s - ? a ,fi ',i, - ' ~ i' S,M %. 3/4". Blacksburg ; = - r .7700 lbs. 7740 lbs. W '?, Stone q; ; [- c., 5 t; 'z;.'. 1476lbs.(printedout) I .ater W =; ,s c316 lbs. II N. % noisture it, W.. , I, /V d,,

E ~ '

v,m.'." sand (4%)', - I. '- T - <t: s .c "~ p a = 9.;..,. ! i O s ;4- , 8. ~-:'~,:r W : ',,:..! 7: ' , (,,,..m., - s _t _ f,' ~ - +

• n

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4, U, -&-? s : 7, ,.7.. a; (-- ;,f. g 5 ~ L(. ,e.-s. ; ' ;l.b... r,., I e r q

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up - ,x ' ? p. ., n i .s. -. j ,,- ~.,- y,.q g e s. %,.

7..,,,,

e-Jit. . t 1 1 h_.

g. U.g_; GL _ _. L -U J L _ _ _. . _.., _.. l 3a.a.c 1,,g w =-

1. +$'ff,*Ny>

LJ LJ s "!'.S- ..!. :( ' A., '. N,.. '~~ > ~~- " W b;Q,g:. > m.9 '.1 n..j g..... .w s t. df : . x:..g,, , 9/g , s. b, ' 5.m.[-),. w%s N, v + .,e b b 'i ,,,,;:.h, >. ,[

• !^

. u.: r x;y . ; yf., k b ' '. z, s.. .. y ' m.,5l;k ...u J'. 'A= Ji 4:; c t g, &., p,,t " . <. 1., : :. p ,,,2 u y L-Q y r. -Q* ' t - l.. 4-m. i.,.C U . L Trip Ticket Hopper Weights 4 ,Tngredients-C-2 Des 5rn'x 7 ci. yds., Trnck No. 92 (7 cu. vos. ) -... _.1 l

• > W 63 Total Water 1715-1855 lbs.

1792 lbs. s e

• 'u......, Type II Portland 4060 lbs. -

4042 lbs. 1 l c,,,,, ,1: 'yj.Q ' Solair (air entrain-- i ...e... mont)x 42 oz.- 42 oz. Sika'(Plastiment ? rotarder) 84 oz. 84 oz. fpl L h All hoppor weights waro within the allowablo error of 15 of the C-2 + mix ingredient weights specified. The inspector noted that extrancous bits of input frequently appear-on the autmatically printed trip tickets. Attachment No. 4 is an examplo of the problem; the numbers lined out woro printed for some } {~. unknown reason. Rogers stated that they were aware of this problem, and' . that the batch plant ' operator has had soveral experts servico the equip- ~ mont in an effort to remove the " sneak circuit", but so far no success. O li - He said, however, that he would continue his efforts to get the condition a p ' : corrected. D. Concrete Placement. j .,.1; On 3/6 the inspector observed the placement of a portion of the second lift of the Unit No.1 containment building baso pad. The section . {L';., being placed involved about 520 cu. yds. of 5000 psi strength concrete. "' " The following observations were mado:

.j -

r, $i',, :.h ^ ' Two teams of about 10 men each woro placing the concreto. There %f;9 ' were four pneu:natic tube operators (Pr0's) assigned to each team. .j. .h(jW.The joli superintendent, assistant job superintendent and thrco concreto~- 5 j,f ~ . y. 4 9 + J.* placing inspectors woro at the pad observing the placement and giving. x['U(instructionsasnecessary. The concroto lab inspector received all { Q.y;.ty y 9 1 e.

\\

2. m,

u. {;ij[ J/.L Due to scmo,28-day strength tests falling below the specified minimum; Mi 1 ~ ~; 3 I - cd, of 5000 psi the design of the mix was changed, i.e., an additional !p' ' M - 40 lbs of cement was added to each cu. yd., the sand was reduced by r d. .,7<a' an equal amount, and a slight water increase was nado., 2 P u,,g,,.- r . n., _ ~

1..

p { { [...Q : 4 (continued) ,r 7; 2 ?,3 3,, l. g a,.::..,. q. m'. t... ,i.,., +t * .,p-

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f. w. '?f.m; n!-l.u;Q..+p'. ; n, g, 4. c 1m C:

.M p>t s n vkj;.y,;p';'y?+pf 'r s 1p ,*s L .[v., u.fi Q. e ;,s. p t 7? ,,4, 1 G /f ~ ' - { u L so Q) u y._,, 7 J.. ,g ai ,3. 1 Qy (, -l ~12~' c' J } ~dj. l ' 5 r.; Pf '<.1 ' t inecaing' trucks at tho ditcharga t.rca. It wcs noted that he mair.tained 2 P.

• f,qj '

a hcord of_ Concreto Placed data checto, a typical examplo of which.is ehown as Attachment No. 5.. i E y Ul

1. 11 Two trucks dump concurrently. A convoyor bolt system transfore tho concreto to the pad fom.

~~~- - - ,9) *e e The rato at which the concroto was roccived at tho fom was woll controlled. The PTO's oystematically vibrated the concreto. The tubos wort (perated d.yjl vertically, not thrown outward and then pulled back in to the operator; "]f' the lattor cothod being incorrect. The placcuent inspectors appeared very i q alert to not allowing too much vibration which could causo segregation., l .[ ~ Tho inspector noted on the previous day that the concreto surfaco on which the.cocond lift would bo placed had boca thoroughly cand blasted ( and then vacuused. .. ' A neat cement mixturo (C-2 mix without the courso angregato) was being ( applied to the sand-blasted surface of the previously placed concroto 1 'y ,just ahoad of. the concroto placement to assuro a good bond. .( -E. SA Check of Questionable Concrete t l 1 ', ~ ' Tho inspector conducted a dotailed review of all pro-pour QA tests ~ i 1 associated with' one specific concroto placment, pour locatwn No. 3 - the fourth of four placersents mado in the first lift of the Unit No.1 contain ' ., ment building pad.M. This pour was selected for review becauso scmo of d 3 c f; f j (. p the 28-day strength test results foll below the specified minimum strength. L ,, for C-2 concroto. Wells provided the applicablo QA test records. The. j b '. c,-~ highlights of this revice sto as fol_ lows: l 6,.,: ;,( ;$, " ; 1.'.. ' Proplacmont Checks _ -V' . l '. c1 e., ./ j:.sijf ; t ' A Pro-nour Site Inmetion fom (Sco attachment No. 6) w's preparedI D 9 a ! 9.;; ' by McCrary which called for pour No. 3 on 2/1/68. According to.

r(7 p,r,;,. _

,Q-L Rogora this fom in prepared for all pending placcmonts. This .p j o ,i i, -(; -I., y, ? g > + j. h,S. $ Pour nwnbors' wore'predotomined on the design drawings. Tho actual' v ',,e, n ,s ,{

l. b ' pour acquenco was changed for placement convenience; henco pour.

.'j "!/.. 9 flocation No. 3 was actually tho fourth placcmont mado. Pour location r- .j,, Y %9, No. 3 is also designated pour No.119 on many records. ' Q a . ; b..,

x. 7. z

3..' -

n .s. s 'M@GiQ'[f W N N 'h.,,.,1t [ ;;'> (continued) 11 .o 1 y. ,._ g ..c., a; ' [' 7, '! w (qY,. d r j; 3 .h ,. :% 1 ~ + e ,+ g

p

'{% fj t-t y t .g r.n: e, t W,W, j y ", ' g e. ; ,- - L

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-s w m, of9 g,..e .e,+f.pd a pe A m i s ~W f,',g .ae ' - - e m *" -f n ' ;( p,. y"- m-w l k. s 't, i : ~-I k,,t.l.. x / w 1 e --->av e ,., -., '4 r-m m o .- -<=

~ f . ~ I.w ~. ~. N3C! I-a,- --.. L ...U-.-~--.~.--~~-.. bc.' -.a. ( - iq y p-(: 4 8' 'b i M .s g ~ $ 16: W E-.. I .. E g.M...-._.....,. i c. o ,. [;;[ '+f .s, )

1. I..

,~ i . N.. a. n _ f.1, '*[i. a .y. y* y,* . ~. > " ~ p.v..d, .; c,q'l.. E, x .c. ,m ...r v.: 4 3.. _ t.. ,4 ,45,;d. 4.'yCf:> 4' ;, tr -. g ; -(i ; :, ' '( . 7 ~, .;&, 4 j g.,j.? lp, i,

. ; r r

s . gj p., s y ..g;.a te.. %;,..', l'. ;

_13, j

Qe "g. ~ + placement involved 700 cu. yds, of C-2 mix concreto. no tom, ch,,,,, foremon, reinforcing foreman, electrical and mechanic field engincors (if applicablo), layout party, concreto foremen, and '? ~t'i, QA engincor certify by their signatures that the forrs is ready ' ~ " " ~ ~

• to receive the concreto. Tho inspector noted that all tho appli-cL

,2. cablo si natures were affixed to the form and tho appropriato l~ 6

N.-

spocific inspection itcas woro initialled by the concreto inspector,. 3 7-

2. Concrete Innredient Checks 1

, e i l ' l p. a. Cment l I- ,?,N A copy of tho mill test report representing the ccmont used I { in pour location No. 3 was not available. This item vill bo' ~ ',1,., checked on the next visit. Mitchell stated he had reviewed the eccent cubo test results l i !(-. '. *1 for the past six months and noticed the 7-day strength j increased frors a no:ninal 2880 to 3000 psi in Doccmber and has ' . i remained at this higher strength. He said the lower strength gain fras 7-28 days noted on pour No. 3 (discussed lator in l report) may be because of the higher early gain at 7 days.. i, ', i. .~, ^ y {. Ho said he was going to look into this itcs further - b., Cearso'tnd F'ina Arrrerate Tests' i-1, r j' ' 4 S , fine AFRrenate' L g 3 :,.y' ?. 4* The sand is sppplied by the Becker Sand and Graval Company, [ '- h m.~. Hagned, S. O, Test results of tho sand used in pour location. i ? l. j

i

• J '*y No. 3 are documented in the Fine Accrerate Tests _ report dated l

,' g j,, 1/31/68 a copy of which is attached (See Attachment No. 7). h g., j{' N"- m Contse Arrrenates - ()" and No. 67 Blacksburg Stone). Those pM J'.' d l ,"[.I.y, aggregates are supplied fro:s the Campbell Linestono Quarry, 1 The sieve analyses, specific gravity tests;.* .l .l Blacksburg, S.C. absorption measurements and cubic' foot weights for the aggr ,j - p '.ilf, y : l 6 sp '. '.',,i ? .7'c gates reprosentativo of that used in pour location No. 3 sre. n 7.

1 f y[t M,

.J tabu h ted in Attachment No. 8. The inspector noted that the x 7 h. ! ;F / L,? ! test results mako no mention of the aggregates' roactivity * ;.7, y 1 A.

7. '. potea. ',ial.

This item will be reviewed on the next visit.._,' m-11 - 4 l J t 1 .l;,, ' 8.. >: *., ' s :~ - L. S..' L x J y3 a 3._ c s * [l-. -[' m + -. J.i t,. h ;,, -'o + CT - s .W>'. -(continued),. i.. a ,3 v. r j ': ... [ i s '. 3 ,.* {.... ..i y c ,A l s + ' OI. .4, j;; =,' s s v~ t . O ,C,,.' p = [

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s . t.,. . 1 d,'.. 9 I< t..c c Water Tests

u. p. *,' + f' ! J-..1 The potablo water used at the batch plant' is supplied frcra kUI 1Iv ~!

the Sonoca, S.C., Water Department. A chemical analysis of ~ " - " - " N .*'.7'.~ this water was conducted by the South Carolina State Boani A

r of llealth on 10/26/67. (Sco Attachment No. 9, page 1, for

. [ i, ', p.. test results.) /- 1 c;4p. '.. The Anderson, S.C., Water Departeont supplies the water for g < tb

1. - l the ico used to cool the concreto. So=o ice was used during

1. } b. -

the pad placement. The South Carolina State Board of IIcalth conducted a chemical analysis of the Anderson water on 12/18/67. kl: e (Sco attaclment No. 9, page 2,for test results.) It is not apparent to'the inspector that the abovo water analyses indicate the amount of organics, if any, present in the water. 'Ihis was mentioned to Wells; ho said he would check into it. + d. Admixtures Two admixtures are used in the C-2 mix, Sika (plastiment-- rotarder) and Solair (air entraircent). Attachment No. 10 ( ! ; ~,, and 11 provido the specifications for these admixtures. 4 1. 7

3. Test Cylinder Strength Test Results_

F l g '.ETabulated below are the seven and 28-day strength test results .e. for pour location No. 3'(the slump and porcent air nessurements l ,;Q - areincluded):

. 1 4.

i. [,,[ ^ '

Pour focation No. 3

rm.-

h(O

7 ;g' Set Ide'ntification a

// I h. [

• Slump 7-dah!

28-day (! s s 4, I _ercent Air < Break (psi) Freak psi)f is 'j k.,. (Pour #119_l'- (inches) P .+1.,7'.' 3-4.7 3048 4315

i ij.

t. l: ' b':'a.:!, 19 [.N lh' I 14.2 i 3192 3 4934 - [ py.e' ~ 29.' - 2r 4.5 3228 5120 - -I: / 1 39; ',29 ,'5 3157 5279' ~ k3 ?pp 45 ' ; lh. 3 4271 6137 y '2 ' c 3.5 3537 4810 1 9 k ',. s 68 ': 2h 5 2918 5076 Hp 79-11 35 4050 6101 s@i.*! r.- ' 86 4 ..,;t-c j.g. p '..+. Q],,..

• J/i, Average strer.gth base'd on two cylindor breaks.

o. 4 e n. . W. ;. y '.,;' ? 3 T '(continued). ,v &.,. Q.3 4l] Q p f.it}n y > 3 s C g* c3 .s ,. g,..;-_.j. ..,.-.p. yy W*"*"""" ~ ~"?

• #.;ay '

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s..y

_ e.. o c.. 7, q [ .4- ' The 28-day test renults failed to/ ect the strength requiments. t Specification No. Obl60 (2.5 3)1 states ".... The average of any thrco consecutivo strength tests representing each class of. concrote tested at 28 days, shall be equal to or greater than tho.specified strength and not moro than 10% of the strength The tests chall have values less than the specified strength. strength of an individual test chall be the average of tho strengths p of the 2 specimens tested at 28 days...." The averago strength for the first throo 28-day breaks tabulated abovo was 4789 psi, j (The minimu:a strength specified for this C-2 mix used in pour As 6 test cyJinders are cast for location No. 3 is 5000 pai.) each 100 cu. yds, placed (slump measurements ovary 35 cu. yds.) it would appear that 100-300 cu. yds. plus, of pad concreto aro represented by the first thrco test cylinder cots cast. 03-160 (2 5 4) states that ".... If tha compressivo strength tests fail to meet abovo requirements (Section 2.5 3 as quoted abovo) tho QA Engincor may requiro that load tests be mado or cores drilled for the portions of tho work whors tho questionablo concreto has been placed. Should these tests indicato that the { concreto does not confona to this specification the concreto shall be removed and replaced...." Rogers stated that the following action is being taken: Several 6" x 10.5" cores yi,11 be removed fran the questionable a. concrete for break tests.0/

b. - Beginning with the p(lacement of the second lift for Unit No.1 the C-2 mix design Sco Attachment No.12) has been modified i

whereby for each cu. yd. 40 lbs. of cement was added, an equal amount of sand removed, and a slight increaso mado in p water. ~

c..The testing frequency has been doubled for the next several hundred ev. yds. placed to assure that the modified C-2 mix

'j1 ,,? meets-the slump and strength specifications. .I~ . i l. y-J/.0conco Station -~ 160, Specification For Concreto For' Reactor Building, 'j t ,4!- " dated 3/2/67 ~ [

2/

- Rogers : advised CO:II, by tolecon on 3/13,that5'coroshadbeenremoved

'i but not tosted,' '. j, 1, (continued)- i f 1 0% y g 'n4 W%@ [ ,=r 7- ,g f. 3' ,g,' 4 i k, -h.a, jo..,* 1 g ~ ' di m 1'l NE : h) 'i1 s. u 'T::r w,- L.

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f

, ;y p p - ( ', i., 3.; i ..n, <.3 m 4 4 .- f The 7-day concrote tost results for the modified C-2 mix placedin t .t) (c ': 't ..J' p, s ,J' p * ' l. ?, woro received frots Rogers by telecen on 3/14. The tabulation ,( below comparos those results'with the 7-day strength rosults for l the.cencrete placed in the first lift.- 'r ,,.L, Unit No.1 Contalment Buildins Paso Pa4 ,a ,. ? ' ' (Ocycn-Dsy Test Results - PSI)' g !. [pd,' f. t l 1 Pour Iccation No. st l n l 4^l f y', 4 3 5 \\' 1 2 500 cu. yds. 700 cu. yds. -700 cu. yds.- 700 cu. yds. 700 cu. -)as. (3/6/68) (2/3/68 J.. ~ (1/17/68) (1/25/68) (1/30/68). i ~ li,( h - 1....1 3855 3183 3599

3048, 4271' F

3608 2988 3192 3784 p ;!. 3174 ~ 3280 3855 4418 3228 3997 . i ~ 4174 3192 4147 3157 4023 ' 3086 : 3961' 4271 3731 a- '; 3802-4005 l F 3042. '.p 3467-3219 3537 3997 9 i

. 3678 3237 3599 2918 4c50.

4014-

k..'. -

., ~

• 4607' J..n.

3077, 4430

/., g. / 6.' a:E 4' w. I .,f., ! L' 1 g ~ W.y-,* Rogers stated that based on the 7-day test results for pour Ir.w .; e.v g... M]?'.B.'L_locationNo.5,the28-daystrengthtestresultsshouldaverag I: , l around 5700 psi, well above the specified mini =u:a of 5000 psi , ', for C-2 mix. - The inspector will obtain the 28-day test results .Q - *:, 4-when available. 'f i jb ' l 1(,,b F. ; Rebar t y. + L'b The Florida' Stee1 Corporation, Charlotte, N.C.,- is the robar supplier 2 q!ai i The 18-S rebar-

l. f h ; They buy semo of their rebar from Bath 1chen Steel Corp.

Attachment ? @j':' f tused in the contairment pad was produced by Bethlehem Stool. i f it. 7 +v . w. ' q. 4 1; h..J/ - Contains' 40 lbs. more cc:::ent por cu. yd. '. Also test iM 1 through 4 were cast in cardboard molds. Pour No. 5 cylindors were ] g/ 4 - . cast in metal molds. ~ 't 3- ~ q: a:

n.~

W .(continued)- ,y% g, G.' p po W m. e., e -t n - v.3 f, g; " ',, 1 .,r.+ ~~ .#, t r - - r-- we ~ *e hkr.n.h M..g y,

p. ; *4.O" --

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y i-~ - .r : d,:l K,

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f!$ $ 5: ~<

Y b? n. w w. $b II . f :.;. . M'.a ~ s. i w %n..w. q/q~.i n y.. 5Rj.f M:p ? %.;ig.n) i,3 K n 4,%> p f s. ., g4W c;,'y ' f+' -17 . i: m ~ <t., sa:nple bars do not accompany the rebar- .t;,,r-

Do inspector noted that min hetAs Duko is equipped with a Forney testing machine sized i

y. to handle 18-3 robar the inspector was surprised that independent tensile ~ truck shipnents. T tests.woro not conducted on the robar. Rogers stated that they had

2) % * -

, discussed this iters and decided that the Cadwald pull tests also tested '~ --- - - - (p no inspector agreed, provided the Codwolds did not fail to S. s M m the rebar, Also it would be a rather complicated meet the tensile strength limits. bookkooping job to relate tho' rebars in the Cadwold pun test to a particular j; - Rogors 'caid he could see the merit in conducting indopendent tests _y.' i 'hl-heat. (Sco Management Interview Ocction for and would investigate it further. j jf . follow-up action on.this itca.) . lS. " 0. Cadweld Solices {r The specifications requiro sist,e,r.splico tensilo otrongth tests to bo made at the following frequencios:M ...., ~ l out of fi~rdt 10 5 f-3 out of next 100 2 out of next subsequent 100 e . b addition, for every 50 sister splico tests a production splico is cut .' ' ' out and tasted. Approximately 1000 Cadwolds had been mado at the time of the inspector's No Cadweld failures have been detected to dato except for two ~[

; visit, Theso wero visually

' ',, where tho metal had burned through the sleeve. !U i rejected. L, U i lices in the ft y'd 'The' inspector visually checked about 30 Cadwold product on spFiller metal was evident 5 t-i V f Unit No. 3, base pad area;both ends of the sleeve of an splices checked, The concentricity of the,. .p.? - ified. p;haloeves was within the anowable tolerances spec 2lU. Attachment No. )), n ._*7 .1,f - M All Cadweld splice locations are recorded on a plot. ' is a copy of a' portion of the plot for the first lift - pour location and TH on the plot are docu:nented on a Cadweld Splice Record, a copy of .h. h Cadweld splices identified as T10 10

No. 3.< The pull test results for t e

]) "L - ^ which is' shown in attac'rnent No. 15.- The record indicates T10 (18-S robar), 'b .Tfailed at, 95,250 psi,6" from the splice. l Til (18-S robar) failed at, W "~ .. y g ; V109,000' psi,4" fro:s the aplice. - C s j .cth. y 7 3 y? O ,M i r X d:'p; ';,g ERof. 0.S. 160,1.6.4 e-w g;p ,.ct Jr 2 4 .r: a 'l 1 ,, y.-{ +, -(continued)i + r g._ : ' 3 t c, $h I,'Q ; ~ ' 9., l:.. ;. n.. w m :s:~ f e m.n a\\c,+

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3', ~.. a' t<, 1 ~ * - m, -le-n.l.- }4< y M *,. I The inspector mado a spot check of th'o production splico pull test reuults. '? The following resulta vero notodt; ~ ~"

• ~

.E'- . Ecbar Sizo ' Bicak Test Resulti (mi)_' Failuro Point Iocation --.._.6..... .e T41D - Baso pad second' lift- ' 11 72,436 robar ~ ( .~ f, Tr-13 base pad, ' 14 50,000

j.f

sleeve 3 ,L ccond lift , 1, . t..h ' BR45 - base pad, -first lift 18-S 89,000 rebar i t . cording to Wells Cadwold TR-13 abovo was cut out and tested after it The test result confimed that it was a 1, been visually rojected. poor splico. ~ 'iho specificationl states that ".... the strength of 95% of tho Cadweld' I ,( 2 yield splices tested shall bo greater than 125% of the specified minimu: Wolls i..,. t strength for the particular bar sizo and ASt! specifications...." ?

Jj stated that they have co:aplied with the specifications.

- 1, Each man was Ten nen were qualified by ERICO to mako Cadweld splices. d issuod a cortification card, All Cadwold operators aro carpenters by [ The neces of the ' craft with the exception of Young, tho inspectcr. ,' ' ' qualified Cadwolders are listed below: - Q o Nrham. Halo _ - i >>: e, h- *.er Williams ,; I.h Satterfield Floyd Baldwir. RI ' t ' Dowsan. d g j N, ' Stinnett Young.(Inspector)- Vendor Weld Problems _. s. gI/;c M. it 1. : ' ; _ Discussions with Moore revealed that the en-sito welding inspectors .' ~ 'l ' - have discovored defective wolds in many of the contairnent building stcol. ]; ' ! ' [, cc:sponents supplied to date by Southern Boiler Co., Mc:nphis, Tonnessoo.. f .c td ,. d,

• Specifically, the following defects'vero no e :

+ a J.;,, w . + L. y ...r

1. g

• 6.

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~19~ .L ~;f. ' ~ I ~ 4 ,, l. Thickened Moor' Pinto Undar Stenm Concrator - This plate is [( : ', 7, ' part of the floor linor installation and therefore must be i- .W ' ' [' l :, 'l* . leak tight. Moore said that the four 30"-long diagonal welds '..D, that join tie 1"-thick plate' sections together appeared to not have cufficient pene'. ration. Subsequent X-rays confimed ~ 7 --- - - f, y' ' .o the observation. Tho walds were removed by an air-are and rowalded-M in the field.. ..n t . $y 2. Thickened Moor Plate Under Shieldjnfr Wall Support - This '1"-thick i + 5 J, < ' ' > plate is also part of tho floor liner installation and must be i _ icak tight. One 12" wold appeared to not have sufficient penetra-j p tion. The defect was confimed by a subsequent X-ray. The weld _ ;"F W was repaired in the field. I ' l ' 3.. Cadweld Siceves Velded to Plato _ - Vertical dowels e.mbedded in ~ , the pad will pass through Cadweld s1 coves wolded on to 1"-thick p.,,, floor plates.' The welds must be leak tight. About 25 plates + containing several attached sleeves have been received to.date. !1 [.- All plates centained one or more defective sleeve wolds. 'Ihe i( . probics was that of undercutting. The defective welds are being 6_, . repaired in the field. ^ " t. O. J Tho_ correctivo action taken by Duk'o to improve the quality of wolds r.ade.. ' in the vendor's chop in discussed in the manace=ent coction of this report, . :L. c ..; Y. ',I 6 i *

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Co11 forms per 100 ML./25. F.- 0 , ~. - + l . REMARKS: Analysis indicates water to be of satisf actory chemical'and . bacteriological quality.. 3 .&3 .i 1 E. 9 J: ,. 4...... .t i 3 a, ,f .{, e Respectfully Submitted, Ly ~ P LADORA*IORY 4 3 I. 4- .t.' ~ q J Attac1r'ent W 9

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v ,7.t.p c,pca p o p. 0Wil 9 pl11t,0IDpaillJ.cacuicAt.s con inouarnv. oceraruen r :? 'iQt.e. ~ y:* ,. k. '(, S t u W. JACMSON ULVD.. CHIC ACO. ILt.. GO604 * .y., . v" ' [' .' GM C AN AS A.$ Will Capt A03 AN CO.. tskellD. f otosuf 0. O Nf A83 0 3.. f.i g : + y ;;. Y, - - - * - - ~ ]..; SOIAIR AIR ENTRAINING ADMIXTURES b 7 * .c . OENERAL: 'p .j e'*y ...c9 Solair Air Entraining Admixturco are light colored quality ? i. products designed and developed specifically for uso na an air en. ,. [ training agent in concreto. to most modern chemical products availabic have been usod. These matericia woro developed and tested. in a roscarch program involving the leading indopondent National Durcau i g <7 of Standarda inspected laboratories. Sey will produco concreto of uniform air content and maximum reflectanco. b .c-fh)2%~ p.Rqy => ~.p4 gj -,.g2 8 W " N ','-A c- . -... J. Q c<f)f;x* { g g,;p g,g.;4 m gY: ,r = f. =- / /f f 1 u. f ... u -.. g _ _ _ (q "y < g' 1*'. '~~~' O l qf' .i ...ii. u,, $Yhj'b,=$hhhhge %g *.~ --.. * ;. N.' ~- p w. 1k

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L 3 . : :8 / - ~. _ ._ _. L.,, - L_.s d; u l. ' ' l] ', ', I. .g. . 1 .u w p ( 'USE INSTRUCTIONS _ Solair Air Entraining Admixturo (single otrongth) is II generally used at a level of approximately one ounco por bag of. .g '.. I; .. ; U " cement to entrain the usually required 4 to 6f, air. Solair 2X 'j ":' So a. double otrcncth noterial and proporticnatoly loca of the material in uced to obtsin the camo rcLults. Solair 4X is a quad- .I' d .;r).f ruple atrength natoria1 i [; f;.:U' Solair products do not stain or clog equipmont. They do - not form difficult-to-removo deposits nor do they thickon porcoptibly, f. '^. upon cooling. Solair Air Entraining Admixturou can bo uced in j', + conventional dispensing oquipmont and have bocn copocially for:::ulated .[ -* ?.;l to givo absoluto ninimun variation in disponcor.cutput. They nix rapidly and thoroughly with wator or dircctly in tho concreto mix. n 1 ~ PERFORPANCE:

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s l.s ' n e Solair Air Entra'ining Admixturca have undergono extensivo. toots by indopendent laboratorion. Tncy equal or excood the rc-quironont of the following apecifications: I 'Amorican Socioty For Tosting I?atorials (AS7d) ' n '.. Specification C-260-60T. 3 I u 'Amorican Society For Tonting Katorials (ASTM) [s.'. Specification C-260-63T. l 2. / ~American Association of Stato Highway Officials (AASHO) .i [ }L-J Spoeification M-154-60.. i I ANALYSIS t t.:. x u i Solair Air Entraining Admixturos may to field checked by ^ r.aosay equipment which in usually readily available in any stato highway * ( / laboratory. Ancay'of the product may be accompliched by titrimetry, F ? - rofractivo index dotornination, _opacific gravity dotormination or, - 1,, l u-g Kjeldahl nitrogon dotormination. Eocauco of tho naturo of this uniquo ..j. . P' l af'l ~ matorial, the normal ovon loso moisturo toct does not givo valid. or 4,- 'l .3'y uniform ronults and should not bo unod. ~ .yM. AVAIIABILITT AND STORAGE: 1 J.. g;. Solair Air Entraining Admixturos are availablo in lined, ji-C. reusable black and yollow 'druns (suitable for highway markors) in 11 single., double or quadruplo strongthe.. Liko 'any fino chenical, it 1. I chould not to nubjectod to oxooacivo abuco in ctoragojhowovor, if it, .Ji 1is frozon, upon thawing thoro will to no chango,in its perfor. anco .a U 7,*.charactoristics. Solair Air Entraining. Admixturca are high quality. idoration and A q *. air entraining agonta and docorvo your corious cons .1 : G N p ovaluation in any. typo of ocustruction work you,may to considoring. . : p.. ,-Attechment No. 10 l f. g EM'8 2 0 2 - i' 7 ,(~ y

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