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Shake & Shingle 2-LR100716 CONCRETE CYLINDER TEST REPORT Ingle Office Buildings 3 & 4 Northlake Drive and E. Belt Line Road Coppell, Texas REPORTED TO:REPORT NO. Ratcliff Constructors 51 4200 Beltway Drive REG PROJECT NO. 16566 Addison, Texas 75001 SAMPLE DATE: 06-18-10 ATTN: Mr. Charley Conway TECHNICIAN: R. Hollings PAGE: 1 of 2 CONTRACTOR: Ratcliff Constructors Location of Sample Set Number Location Quantity Represented 1 Paving: 45’N, 20’E from S.E. corner of Building 3 30/165 2 Paving: 160’N, 15’E from S.E. corner of Building 3 110/165 Design Information Source of Concrete Mix Identification Specified Strength (psi) TXI 8273 3500 Test Results SetCylinder Age @ Total Load Compressive Average No.IDDate Tested Test(lbs.)Strength (psi) Strength (psi) 1 914 06-25-10 7 66420 5290 914 07-16-10 28 76320 6070 914 07-16-10 28 76630 6100 6090 914 Hold H 2 915 06-25-10 7 49740 3960 915 07-16-10 28 68810 5480 915 07-16-10 28 71810 5720 5600 915 Hold H Cylinder Data AirConcrete AirUnit SetCylinder Slump Time of TemperatureTemperatureEntrainmentWeight Ticket 3 No.ID(inches)Sample (°F)(°F)(%) (lbs/ft)Number 1 914 4.0 5:35 AM 80 84 4.6 147.4 1013188 2 915 5.0 7:10 AM 82 88 4.5 147.7 1013258 2424 STUTZ DR. SUITE 400 DALLAS, TX 75235 [214] 350 5600 [214] 350 0019 TELFAX REPORT NO. 51 REG PROJECT NO. 16566 SAMPLE DATE: 06-18-10 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 Bill Woolwine (1) Pavecon Commercial Concrete/ Sr. Manager, CMT Mr. Chad Robertson BW/rt Mail Distribution: (1) Pross Design Group/Mr. Mark Pross