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Vistas of C P2-LR 970117 ]-18-1995 3:54AM FROM P. 2 .JAN--I?--gT CRI ~9:.~ AM RE~I-MIN. INC. 817 4~,~ 598~ REDI-MIX CONCRETE CONCRETE MIX DESIGN #?32 CLIENT : GILCO DATE: 1/17/97 PRO~ECT : Vistas of Coppe11 LOCATION : Coppe11, Texas MIX # 732 OESIGN SPECIFICAfION$' 6.0 Rack #RR/A£A 28 Oay ~re,qth: 4000 Cement Content: 6.00 sack Fly Ash Content.: 00.0 % Maximum Placesent SlumP 4 inch .tm Size Aggrega . · ASTM C33 Size No. 57 Water Reductng Admxture: AS111 C494 Type A or O Air Entraining Admixture; ASIM~C260 4 - 6 Max ¥/C Ratio: 0.45 lb/lb MATERIALS: One Cubic ,Yard Welghts.(SSO) ABS.¥OLUME Cement ASTM C150 564 lbs. 2.869 Fly Ash ASTM C618 O0 lbs. Coarse Aggregate 1850 lbs. 11.062 F~ne Aggregate 1254 lbs. 7.581 Water 30.0 gals 4.138 Admixture ASTH C494 17.0 oz/yd Admixture ASlll C260 1.40 oz/yd _. 1.350 27,000 cf PLEASE NOTE , ASTM C94 Standard Specifications ~or Ready M~x Concrete states as follows; "When the concret, e strength ,'~a used as a basis for acceptance~ the manufacturer shall be entitled to copies of test reports,. Ihe indlv~dual who samples and tests concrete must be certified ACl Level ~." A~dit~onai ~ater added in excess, of Specified slump ~s at customers risk. TO ENSURE PROPER OESIGN ORDER SY MI, #73g ~a~- L-~q~f_er~on, CSI ,'~'- Date l~echn~fa,1 Services manager REDI-MIX. Inc. 1-18-19g~ 3:B~A~4 FROM P. 3 817 485 59~5 Frequency Distribution: 25 Day Compressive Strength Moving Within Moving AYg: 3 C of V StD:3 Seq Sample Sample comp com? C~m~ Comp Num ID Date psi ps1 ~ psi 13 47599 6/25/96 4685 4513 2,7 - 14 48200 7/ 3/96 3880 4357 2.6 15 48223 7/ 8/96 4520 4362 Z.5 - 16 1204'1 7/10/96 5230 4543 2.3 - 17 48389 7/10/96 45?5 4775 ~,1 - 18 48476 7/11/96 4985 4930 1.8 19 40061 7/22/96 4870 4810 1.2 20 11036 T/25/96 5155 5003 1.3 2X 12969 7~25/96 4770 4932 1.3 22 12979 7/25/96 4925 4950 1.1 - 23 12989 7/25/96 4585 4760 1.2 ' 24 12999 7/25/96 4900 4803 1.3 - 25 50353 7/25/96 4410 463~ 1.6 26 40413 7/29/96 6325 5212 1.8 ' 27 304~0 8/12/96 5045 5260 2.1 - 28 11386 8/23/96 3575 4982 2.3 - ~9 12047 9/10/96 5230 4617 2.4 - 30 12052 9/10/96 4530 4445 2.2 536 1 - 18-1995 3: 5,SAM FROM REDI-MIX, INC. 1445 MacARTHUR DR. SUITE 136 CARROLLTON, TX 75007 (972) 316-0273 Frequency Distribution Analysis 28 Day Compressive Strength Mix: 73~ F'c: 4000 psi 01/17/97 ACI 214 SUMMARY statistical strength Summary Average $%rength based on 30 tests : 4840 psi Overall Standard Deviation = 536 Control is GoOd Overall ¢Oef~icient of variation : 11.07 % Overall within-test coefficient of variation : 2.05 control is F~cellent chance of strength fallin~ below 4000 psi : 5.8 % chance of strength falling below 3500 psi : 0.6 % Chance of "A~erage Of 3" below 4000 psi : - % ACI 214 MinimUm Recommended Strength : 4748 psi Chance of stren~%h less than specified - 500 <= 1 in 100 , Chance of "Average of 3" less than specified <= 1 in 100 ~ Moving Within Moving i Avg: 3 C of V StD:3 : 28 day 28 day 28 day 28 day Sample Sample Comp Com? Comp comp 1 051496 4/16/96 5905 - ~ 2 5370~ 4/17/96 5000 - - 3 539~7 4/19/96 4080 4995 - - 4 55129 5/ 8/96 5040 4707 - 5 115628 5/ 9/96 5335 4818 - 6 56~77 S/~i/96 ~65 5180 - 7 46667 6/12/96 4865 5122 - 8 46703 6/12./96 5035 5022 - 9 575~ 6/14/96, 4705 4~6$ - - I: 10 57896 6/19/96 5025 4922 2.7 - I' 11 58211 6/24/96 4350 4693 Z.9 - 12 47592 6/25/96 4505 4627 2.8 - P.