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Freeport NIP(7.0)-LR030428RoneEn g 8908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, Fort Worth, TX 76118 6300 Rothway, Ste. 150, Houston, TX 77040 Corporate Phone: (214) 630-9745 CONCRETE COMPRESSIVE STRENGTH TEST Client: Project: Services: Duke Realty Services, LP Arm: Mr. JeffLangston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Report No.: 175197 Project No.: 037333 Date of Service: 04/18/2003 Report Date: 04/28/2003 Freeport 10 500 Freeport Parkway Coppell, TX Obtain samples of fresh concrete at the placement locations, perform required field testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. PROJECT DATA CONTRACTOR: Duke Realty Services, LP CONCRETE SUPPLIER: Potter PLANT: OIl site SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi ~ 28 Days SLUMP (in): 5" - 7" AIR (%): NA TEST METHOD: ASTM C- 172 ASTM C-31 ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 MIX DESIGN I.D.: 9361 PLACEMENT DATE: 04/18/2003 WEATHER CONDITIONS: Cloudy TIME SAMi;LED: 3:14pm BATCH TIME: 2:50pm TEMPERATURE OF) - AIR 76 F CONCRETE: 78 F TRUCKNO: 108 TICKET NO: 113894 AIR CONTENT (%): NA UNIT WEIGHT {pcl):. NA_ OVERALL PLACEMENT LOCATION: Please refer to ~*port #175196 for column lines to all the piers drilled today SAMPLE LOCATION: Lines P-5, Q-5 and R-5 REPORT OF TERTR Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) CYLINDER MEASURED MARKED SLUMP DATE SET NO. (inches) TESTED MAXIMUM COMPRESSIVE AGE LOAD STRENGTH FRACTURE (days} (lbs. farce) (psi) TYPE 1 1 7.0 04/25/2003 7 1 2 7.0 05/16/2003 28 1 3 7.0 05/16/2003 28 1 4 7.0 06/13/2003 56 See report #175196 for technician time. Technician: Rick Smith Report Distribution: (1) Duke Realty Services, LP (1) Duke Realty Services, LP (1) City of Coppell Building Dept. (1) Potter Concrete Started: Finished: (1) Pacheco Koch Consulting Engineers (1) Engineering Analyst (1) City of Coppell Engineering Dept. 94830 3350 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap K. Scott Watson CMT Operations Manager LIMITATIONS: The test results presented herein were prepared based upon the specific samples provided for testing. We assume no responsibility for variation in quality (composition, appearance, performance, etc.) or any other feature of similar subject matter provided by persons or conditions over which we have no control. Our letters and reports are for the exclusive use of the clients to whom they are addressed and shall not be reproduced except in full without the written approval of Rone Engineers, Ltd. 01DK Page 1 of 1