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Shake & Shingle 2-LR100707 CONCRETE CYLINDER TEST REPORT Ingle Office Buildings 3 & 4 Northlake Drive and E. Belt Line Road Coppell, Texas REPORTED TO:REPORT NO. Ratcliff Constructors 46 4200 Beltway Drive REG PROJECT NO. 16566 Addison, Texas 75001 SAMPLE DATE: 06-09-10 ATTN: Mr. Charley Conway TECHNICIAN: R. Weathersby PAGE: 1 of 2 CONTRACTOR: Ratcliff Constructors Location of Sample Set Number Location Quantity Represented 1 Building 3 Slab Leave out: 50’N, 3’E from S.W. building corner 10/100 2 Building 4 Slab Leave out: 2’S, 25’W from N.E. building corner 90/100 Design Information Source of Concrete Mix Identification Specified Strength (psi) TXI 0046 3000 Test Results SetCylinder Age @ Total Load Compressive Average No.IDDate Tested Test(lbs.)Strength (psi) Strength (psi) 1 805 06-16-10 7 61080 4860 805 07-07-10 28 75950 6040 805 07-07-10 28 70990 5650 5850 805 Hold H 2 806 06-16-10 7 58780 4680 806 07-07-10 28 72740 5790 806 07-07-10 28 73160 5820 5810 806 Hold H Cylinder Data AirConcreteAirUnit SetCylinder SlumpTime of TemperatureTemperatureEntrainmentWeightTicket 3 No.ID(inches)Sample(°F)(°F)(%) (lbs/ft)Number 1 805 4.25 3:30 AM 74 78 1.4 147.6 1008525 2 806 4.5 5:50 AM 74 83 1.7 146.8 1008575 2424 STUTZ DR. SUITE 400 DALLAS, TX 75235 [214] 350 5600 [214] 350 0019 TELFAX REPORT NO. 46 REG PROJECT NO. 16566 SAMPLE DATE: 06-09-10 PAGE: 2 of 2 Note: (1) Concrete was sampled in accordance with ASTM C-31 (2) Concrete cylinders were tested in accordance with ASTM C-39 E-MailSubmitted by: Distribution: (1) Ratcliff Constructors/ REED ENGINEERING GROUP, LTD. Mr. Charley Conway Registration Number F-3114 (1) City of Coppel/Mr. Larry Davis (1) City of Coppell/Mr. Mike Arellano (1) Ratcliff Constructors/Mr. Derek Free (1) McHale Engineering/ Mr. Gary McHale Mickey Lawson (1) Pavecon Commercial Concrete/ Assistant Manager, CMT Mr. Chad Robertson ML/rt Mail Distribution: (1) Pross Design Group/Mr. Mark Pross