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Cambridge Phase 2-LR 970108Custom-Crete, Inc. 2624 Joe Field Rd Dallas, Texas 75229 972-243-4466 CONCRETE MIX DESIGN DESIGN NO. CC1060A DATE: 1/8/97 Client: Project: Required: Design Summary: Buckelew Construction City of Coppell - Manholes & Inlets - Estates of Cambridge Manor Phase II 3600 PSI - 28 Days NTCOG Class "C" 4 inch max slump, 5.0 % +- 1.0% air Average Strengths: 7-Day = 3990 28-Day = 5117 6 C.A. F.A. Water Additives: Sacks Per Cubic Yard 59.5 Percent Course Aggregate 40.5 Percent Fine Aggregate 32.00 Gallons / Yard 0.473 Air-Master Builders AE-90 (~ 0.53 Water Reducer- Master Builders Pozz 80 (~ Lbs / Lbs Oz/Sack 4.20z/Sack Materials: Cement: Flyash: C.A. F.A. Additives: Materials: Cement Fly Ash C.A. F.A. Water Air W. Reducer Accelerator Avg. Calculated Unit Weight: (PCF) Measured Unit Weight: (PCF) Measured Slump: Measured Air Content: 144.1 144.0 4.0 4.5 TXI Type I N/A TXI Grade #3 Gifford Hill Ferris Master Builders AE-90 Master Builders Pozzolith 80 Midlothian, Texas Bridgeport, Texas Ferds, Texas ASTM C-260 ASTM C-494 Batch Proportions (one cubic yard) Weight: (lbs) 564 0 1820 59% 1241 41% 267 32.00 3.18 oz 25.2 oz OZ Absolute Volume 2.8694 .0000 11.0063 7.5027 4.2716 1.3500 .0000 .0000 3891 Lbs TOTAL 27.0000 Cu Ft CONFIRMATION TEST Compressive Strenght (PSI) 7-Day 28-Day 3950 5250 4000 5090 4020 5010 3990 5117 Design No. CC1060A SUMMARY OF RESULTS Sieve Analysis 11/01/96 Fine Aggregates Gifford Hill Ferris Passing Sieve Size Percent Passing 3/8 ~4 #8 #16 #30 #50 #100 100 99 84 72 60 29 2 Finer Than No. 200 Sieve: Fineness Modulus: Specific Gravity: Absorption: Acid Insoluble: Magnesium Soundness: Sodium Soundness: Dnj Rodded VVt: 0.50% 2.53 2.65 0.8 14.0 3.2 2.7 111.1 Specifications 100 95-100 80-100 50-85 25-60 10-30 0-10 Max 3.0 2.3-3.1 Max 15% Max 10% COURSE AGGREGATE Sieve Size TXI Aggregates - Bridgeport, Texas Crushed Limestone 11/7/96 1-1/2" 1" 1/2" No. 4 No. 8 100.0 99.3 40.8 3.6 0.4 100 95-100 25-60 0-10 0-5 Finer Than No. 200 Sieve: Specific Gravity: Absorbtion: L.A. Abrasion, % loss Magnesium Soundness Sodium Soundness 0.60% 2.65 1.20% 27.0 8.0 3.0 Max 1.0 Max 45 10/17/96 Custom-Crete, Inc. Concrete Break Evaluation Mix # CC1060A I f' c = 3500 PSI 628 Days Test #: Date: Cyl #1 Cyl #2 Avg: 3/16/94 4420 4510 4465 2 4/18/94 4660 4750 4705 3 4/25/94 4580 4660 4620 4 11/23/94 4950 4790 4870 5 11/29/94 4990 5010 5000 6 12/22/94 4350 4330 4340 7 6/29/95 4620 4610 4615 8 7/24/95 4720 4770 4745 9 8/16/95 4760 4790 4775 10 9/5/95 4800 4750 4775 11 10/5/95 4320 4240 4280 12 10/17/95 4630' 4700 4665 13 11/2/95 4310 4690 4500 14 11/22/95 4830 4760 4795 15, 11/24/95 5010 5000 5005 16 1/12/96 5180 5440 5310 17 1/31/96 4910 4970 4940 18 2/2/96 4710 4840: 4775 19 2/5/96 4830 5010 4920 20 2/6/96 4310 4365 4337.5 21 2/13/96 5250 5150 5200 22 2/27/96 4700 4460 4580 23 3/15/96 5160 5090 5125 24 6/7/96 4700 4880 4790 25 6/14/96 4740 4620 4680 26 6/21/96 4940 4890 4915 27 6/24/96 4620 4520 4570 28 6/27/96 4700~ 4740 4720 29 7/12/96 4920 5120 5020 30 10/7/96 4730 4790 4760 Average: 4759.9 Standard Deviation: ( S ) = 247.8 f'cr = f'c+2.33S-500= 3577.4