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Shake & Shingle 2-LR100506CONCRETE CYLINDER TEST REPORT Ingle Office Buildings 3 & 4 Northlake Drive and E. Belt Line Road Coppell, Texas REPORTED TO:REPORT NO. Ratcliff Constructors 36 4200 Beltway Drive REG PROJECT NO. 16566 Addison, Texas 75001 SAMPLE DATE: 04-29-10 ATTN: Mr. Charley Conway TECHNICIAN: R. Hollings PAGE: 1 of 2 CONTRACTOR: Ratcliff Constructors Location of Sample Set Number Location Quantity Represented 1 Bldg. 3 Slab: C.5-3 30/435 2 Bldg. 3 Slab: A-1 110/435 3 Bldg. 3 Slab: B-5.5 210/435 4 Bldg. 4 Slab: A-2 310/435 5 Bldg. 4 Slab: C-4.5 410/435 Design Information Source of Concrete Mix Identification Specified Strength (psi) TXI 0046 4000 Test Results SetCylinder Age @ Total Load Compressive Average No.IDDate Tested Test(lbs.)Strength (psi) Strength (psi) 1 329 05-06-10 7 47990 3820 329 05-27-10 28 329 05-27-10 28 329 Hold H 2 330 05-06-10 7 49860 3970 330 05-27-10 28 330 05-27-10 28 330 Hold H 3 331 05-06-10 7 50520 4020 331 05-27-10 28 331 05-27-10 28 331 Hold H 4 332 05-06-10 7 41350 3290 332 05-27-10 28 332 05-27-10 28 332 Hold H 5 333 05-06-10 7 43090 3430 333 05-27-10 28 333 05-27-10 28 333 Hold H 2424 STUTZ DR. SUITE 400 DALLAS, TX 75235 [214] 350 5600 [214] 350 0019 TELFAX REPORT NO. 36 REG PROJECT NO. 16566 SAMPLE DATE: 04-29-10 PAGE: 2 of 2 Cylinder Data AirConcreteAirUnit SetCylinder SlumpTime of TemperatureTemperatureEntrainmentWeightTicket 3 No.ID(inches)Sample(°F)(°F)(%) (lbs/ft)Number 1 329 4.0 4:20 AM 62 66 1.3 149.6 991730 2 330 5.0 5:10 AM 64 68 1.5 149.2 991738 3 331 5.0 6;20 AM 64 70 1.2 150.1 991748 4 332 4.0 7:40 AM 64 74 1.6 149.8 991778 5 333 4.5 8:45 AM 64 78 1.4 150.4 991867 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) Pavecon Commercial Concrete/ Mr. Chad Robertson Mickey Lawson Assistant Manager, CMT Mail ML/rt Distribution: (1) Pross Design Group/Mr. Mark Pross