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Freeport NIP(5.1)-LR 970702.TI II -Pl~-lq~7 11 :PI2 TFXAq IN'DI-I.I.I.I~TI~IIr.~, INC... W.141 McFadden & Miller, Inc.... P.O. Box 59882 Dallas, TX 75229 AZ~n: Mr. Jori Jac0bson .. ~: Freeport No~th'%3 500 s. Royal Lane ' Coppell 96~3 .. The attached concrete-mix C-33 or ~ C-330'aq~rega~e.is proposed for.use on the a~ve referenced projee= for-ready-mixed co,ur'erie ~o De furnished~ TXI .... .. 3 ..... To ensure that the'~orrect 'mix is 'delivered to."your ~roject, please order by the'mix design ~utt~er which appears ~n the uppcr left hand corner of the mix desx~. Texas Industries certifies the= ~he ~ove ~x desi~, when u=dered by specified dooign identity, and delivered %y TXI, will meez or exceed the indicated de~i~ strength at the desi~a~ed a~e whcn tected in accorda-~e with the applic~le and current ~ Standards C 31, C 39, C 78, C 172, C 293, applicable. provision~ of c 9&, and evaluated in accordance wxth applxc~le provisions of the ACI 318 Buil~ng Code. TXI would like to be included on your mailing lis= ~o receive all test reports. ~ C 94 entitles a manufacturer to receive cop%es of all test reports when snreng=h of concrete ie used ae a baszs for acceptance. Contact us if you have any ~estions or re~ire any additional info~a~i~n. Pluase no~i~y 'desi~ prior to its use. Failure to ~t~fy us prior to first ~%acemen~ ~hall cons=itute aocept~ce. To ens~ that the proper mix desi~ is ordered, please send a copy of this letter, al=er approval, to tbs ~cve referenced projec= to be use~ by the person ordering the concrete for this job. JdL-02-1997 11:03 TEXAS INDUSTRIES. INC. P.02 Mix ~: 964.~ Description: -~.50SK ADMIX/AEA 1"CS Strength: .. 4000 .ps.i ~ 28 Days ..-. .- . .:. .... :: '. ..-~:.. '.? · . PAVING Maxin%um Coarse Aggregate: 1" - ~4 CRU~D STONE Maximum Water/Cement Rat-lo:'. 5.'64 gal/sack or 0.499 lbs/lb Cement/Cementitious .Content. 5.50 sacks (per cub.ic yard) Maximum Placement- Slump: 5.00 inches -: Air Entraining Agent-.~.'... :.ASTM C-260 Admixture: "' ASTM C-494 Type A '" ... MATERIAL QUANTITIES .PER'-1.0 CUBIC- YARD AT S.S.D ~.. '.- ~,.._-,-.., ~ .. - ~' . ,>' ....- 517. lbs. 'ASTMrC-:150' 'TYPE. I CEMENT · 1840 lbs. 1" --%4 .CRUSHED STON~.' 1312 lbs. CONCP, ET~ SAND' ' .:' ~"-' 258 lbs. or 31,0 Gallons Of Water .' 2.0 to 4.0. Oz/~wt. of"ASTM 'C-494' Type A Specified Air C-o~ten~.: :3.0% .':' 6.0% · Placement Slump: -'~ "- - 4.00 + or"- '1..00 'inches -.-.. : -'.~ -.~-- .., . -' . ..... . .-: .~.,..~.~-ii~.., £._ ... ........ . .. -~'. :.: . ~ ',,~.":-'~-~. -.-.. .-'.:- .-I II -~D-- 1 q~? 1 1: b3~ TFXRR [ I,ID, I I.~Tl~ l F~, ! NC.. p. ~.:{ PUMPING NOTES / R~COMMENDATIONS 1. 5" minimum diamete~ lines with no reduction to smaller li~es .... .. . . 2,. "Kgep rub~e~.hose, to;ab~olut~ minimum length and pla~ pipe W~-as few 90 ~e~ree an~le~ a~ pO~sib3~. 3. Samples for slump and strength test's shouid be ~aken ~ dj=charge end of hog, ~or strength guarantee to be valid. 4. To' prime pump lines, a minimum of 8.0 sack grout should be u~e~ fgr lubrica~ign. In the case of szren~th concrete, e.cu~¥a±e~.t strengt~ ~rout should be used iZ the ~rou~ :-. remains ~n the"placem~nt. '"'.- ~' - $. Pd~p mixes are based On minimum cement' conten~ pumpud at ~' ground level. As pump line increases in length or height and/or layout con%~gura=ion changes~ additional cemanu-may · be required =o assure strength and pumpab'ility at additional '- -'..cost. to the contractor. 6.. TX.I'6a,-hnot control, 'and is therefo~ not ~esponsible for ...e~ce~sive'lc~ of ~n~rainea air c6ntent when .l~s occurs as -'... a result of boom ?onfiguration or free fal% discharge from .huge'. To cn~ure minimum air losa when Dumping, maiDtain a continuous flow of concrete through.~he entire length of ...pipe and ac not'subj'ect ~oncrete to free"fall. w? ire.~h&~sinu a~l available back uO data ~or the reference~ mzx_de~gn(~). I~ the strength information is not aYallable, or ~s .$n~uff~caent, confirmation tests may have.to be conducted by your laboratory. ~. .. submit:ed.. ,' , JUL-02-1997 11:04 TEXAS INDUSTRIES, INC. P.04 · .~'~ . ~-.'-' .. ~ ~ ~r ~lenc ~e ~l~(in} ~ ~ ~I I PSI ~ PS~ A~ A~age A~ v~ 3 .................... --. ~ ..... i.L .... ' .............. ~s ............................................. ~ 03/L7/97 TL A .25 4.~% 4JO0 SZO0 S000 SO00 200 2 03/17/~7 ' 7~-' 4.7~i~ ~ 4.~% ~S50 44~0 4505 4~S3 : 3 03/17/97 'Ge ~.~ 4.~% %540 44=~. - 4~75 4660 4660 4 03/IT/97 41 58 65-.. S.00. ' ' '4,0~ · ~200 S140 S~70 ~TgO 4~17 60 G 03/~7/9T ' 4~ SS S& S,~0 4.5% S0&0 5210 S075 48G? ~073 70 '... 8 03/20/99 ~'" ~2: S~Q0 ' ;'~ S'~0% ' i 3s90' 4070 &03o 48i~ 4920 9 03/20/97 '60 ' " ~. GG.~:~ ~' -, · 4,8~ 4230 .45S0 43~ 480a ~G92 220 ' ~ 03/21/97 ~ 5,00 4.5~ 4400 4610 4505 &TX9 4342 210 ~ 'Q3/22/97 4~'""- OS ". 06~ .- - S..~G" -" ~,2~ 4190 4~9~ 419~' 4~75 ~275 O ,k3 03/21/97 41" . i'~3, : ' ~4 = . · 4.QO ', ' 2,7%' - .49~ 4730 * 473~ 4GG0,, 4&77 ~6 03/22/S~ 63 ~O 5.00 4,4% 4590 4670 4630 4673 46&2 " 1~ 03/24/97 7S 5- 00 4,5% 4380 4410 4395 ~6SG 4600 30 LU o3/~/97 75 '' '~'S.~S - 4-3~ = 4~40 4240 4~40 4026 &368 200 ~s 03/2i/s? 3~ so 66 4 ,S0 . N/A 4~0 %360 44S0 4G~B 4328 20 03/3~/97 70 5,00 ' ' 4.2% ~S0 4030' 4~40 4E9~ 4243 220 21 03/3~/9~ 70 &,2~ - -' 4.4% 4~70 *2ZO 4~S0 4S?S 4260 40 23 04/09/9~ 25 S~ ~ '7 .... d.0o ' ' 3,SI 4800 4650 472s 45G8 4393 24 04/10/97 7~ S.25 S.0~ 3e~Q &030 3~so ~542 43~3 ~ ~/1Q/97 70 ~.uO 4.It 4540 ~00 4470 4539 43m2 27 05/0B/97 40 77 84 ~.SO 3.8~ 4390 4220 430~ 45~1 4~8 L~O . 2S GS/OS/~ 40 ?~ 84 S.GO 4.3~ 48~0 4~90 4900 4551 4827 180 t i: - .].- :, · ~ --~' _- , - .TI II --ffi~-.lqc~?1 1:1~1.~ TF×A~ ~'NI'~I.~TRIF.~, INC. p.R.~ COP~EI~TARY OF STATISTICAL EVALUATION OF CONCR~.T/ DESIGN RESULTS Mix Num: 9G~3 Strength: 4000 pul Paragraph 5.5 of ACI 318-89 provides that as data becomes available during eonstruction, the amount by which (F'cr) must exceed the specified value of (F'c) may be reduced, pro%ided: (a} 30 or Tara test results are available and average ot te~t rm~ult~ exo,~ds that re.qgired by Section ~.3.2.1, using a s~andard deviation c~culated in accordance with Section 5.3.1.1, or (b) 15 to 29 ~es~.resul~s are available and average of.'te~ results exceed? that required by Su~ion_5.3,2.1, =oin~ a standard deviation calculated in accordance with Section 5.3.1.2. -. T~e requireU average compz-ussive s=rensth ha~ %een calculated using a standard deviation calculated ~n accordance with ACI.31B-89 Section 5.3..Z.1 or Section 5.3.1..2 an~ is ~he lar~er. :, -.. value of these calculations: " P'cr - F'c ~ 1.34(SD) ~ 4000 + 1.34( ~18.0) - 4S60 F'cr - F'c + 2.33(SD) - 500 = 4000 + ~.33( 4~8.0) - 500 = 4474 ~~X OF STATISTICAL ANALXSIS 28 Day Test Data Number of Tests .......................... 30 Maximum Val%~e ............................ 56S5 Minimum Value ............................ ~950 psi Rsnge ..... %' .............................. 1705 psi Average S=reng~h ........................ 4562 pgi 'Standard Deviation ..... ' . .. 418 psi Req~.ired Average S=reng~h 'minimum probabxlity conditions of ACI ~18-89 Seution 5.3.2.1 ................ 4~60 Design excess beyond code requirements... 2 psi TOTAL P. 05