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Freeport NIP(7.0)-LR031003Ro Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 1 1 1 2 1 3 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. Duke Realty Services, LP Potter On site 4000 psi 28 Days 3" 5" 3 -6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP (inches) Concrete Compressive Cylin DATE TESTED 5.0 10/02/2003 5.0 10/23/2003 5.0 10/23/2003 1 4 5.0 11/20/2003 Pump truck used REPORT SAMPLE LOCATION: OF TESTS der 6" x 12" (area 28.27 sq AGE (days) 7 28 28 56 in.) MAXIMUM LOAD (lbs. force) 144655 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 Report No.: Project No.: Date of Service: Report Date: 195220 037333 09/25/2003 10/03/2003 PROJECT DATA MIX DESIGN I.D.: 7752 PLACEMENT DATE: 09/25/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 5:15am BATCH TIME: 4:51am TEMPERATURE (F) AIR 75 F CONCRETE: 88 F TRUCK NO: 115 TICKET NO: 454 AIR CONTENT 4.3 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Northwest parking starting at 50' west of northwest corner of Building, west 120', south 140', northwest loading ramp sidewalk northwest corner of Ruby Road, Coppell Road, north 1300' Northwest corner of Building, 20' south, 75' west COMPRESSIVE STRENGTH (psi) FRACTURE TYPE 5120 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap 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. 01DD Page 1 of 5 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 2 1 2 2 2 3 2 4 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. SPECIFICATION REQUIRE PROJECT DATA Duke Realty Services, LP MIX DESIGN 1.D.: 7752 Potter PLACEMENT DATE: 09/25/2003 On site WEATHER CONDITIONS: Partly cloudy TIME SAMPLED: 6:2Oam BATCH TIME: 5:50am TEMPERATURE (F) AIR 75 F CONCRETE 89 F TRUCK NO: 116 TICKET NO: 463 AIR CONTENT (9v): 3.8 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Northwest parking starting at 50' west of northwest corner of Building, west 120', south 140', northwest loading ramp sidewalk northwest corner of Ruby Road, Coppell Road, north 1300' MENTS 4000 psi 28 Days 3 -6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP (inches) DATE TESTED 5.5 10/02/2003 5.5 10/23/2003 5.5 10/23/2003 5.5 11/20/2003 Water added at site: 10 gallons CONCRETE COMPRESSIVE STRENGTH TEST REPORT OF TESTS Report No.: Project No.: Date of Service: Report Date: SAMPLE LOCATION: Northwest corner of Building, 60' south, 150' west Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) AGE (days) 7 28 28 56 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 195220 037333 09/25/2003 10/03/2003 MAXIMUM COMPRESSIVE LOAD STRENGTH FRACTURE (Ibs. force) (psi) TYPE 120985 4280 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap 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 Rome Engineers, Ltd. 01DD Page 2 of 5 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. Duke Realty Services, LP Potter On site 4000 psi 28 Days 3 -6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP DATE (inches) TESTED 3 1 5.5 10/02/2003 3 2 5.5 10/23/2003 3 3 5.5 10/23/2003 3 4 5.5 11/20/2003 Water added at site: 10 gallons Standby: relocate pump truck 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 Report No.: Project No.: Date of Service: Report Date: 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 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) MIX DESIGN I.D.: 7752 PLACEMENT DATE: 09/25/2003 WEATHER CONDITIONS: Partly cloudy TIME SAMPLED: 7:50am BATCH TIME: 7:33am TEMPERATURE (F) AIR 78 F CONCRETE: 86 F TRUCK NO: 116 TICKET NO: 473 AIR CONTENT 3.3 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Northwest parking starting at 50' west of northwest comer of Building, west 120', south 140', northwest loading ramp sidewalk northwest comer of Ruby Road, Coppell Road, north 1300' SAMPLE LOCATION: Loading ramp, north corner, 40' west, 10' south AGE (days) 7 28 28 56 MAXIMUM LOAD (Ibs. force) 123270 COMPRESSIVE STRENGTH (Psi) 195220 037333 09/25/2003 10/03/2003 FRACTURE TYPE 4360 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap 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. OIDD Page 3 of 5 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Freeport 10 500 Freeport Parkway Coppell, TX Services: 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. CONTRACTOR: Duke Realty Services, LP CONCRETE SUPPLIER: Potter PLANT: On site SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 3" 5" AIR (cc): 3 -6% TEST METHOD: ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 CYLINDER MARKED SET NO. 4 1 4 2 4 3 4 4 MEASURED SLUMP (inches) DATE TESTED 5.75 10/02/2003 5.75 10/23/2003 5.75 10/23/2003 5.75 11/20/2003 Water added at site: 10 gallons PROJECT DATA REPORT OF TESTS SAMPLE LOCATION: Northwest comer of Buiding, 160' west, 85' south Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) AGE (days) 7 28 28 56 MAXIMUM LOAD (lbs. force) 111615 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 Report No.: Project No.: Date of Service: Report Date: UNIT WEIGHT (pcf): NA 195220 037333 09/25/2003 10/03/2003 MIX DESIGN I.D.: 7752 PLACEMENT DATE: 09/25/2003 WEATHER CONDITIONS: Partly cloudy TIME SAMPLED 9 BATCH TIME: 8:37am TEMPERATURE (F) AIR 82 F CONCRETE: 88 F TRUCK NO: 1 TICKET NO: 483 AIR CONTENT 4.4 OVERALL PLACEMENT LOCATION: Northwest parking starting at 50' west of northwest comer of Building, west 120', south 140', northwest loading ramp sidewalk northwest comer of Ruby Road, Coppell Road, north 1300' COMPRESSIVE STRENGTH (Psi) FRACTURE TYPE 3950 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap 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. OIDD Page 4 of 5 Ro =gin Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 5 1 5 2 5 3 5 4 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. Duke Realty Services, LP Potter On site 4000 psi 3 -6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP (inches) Technician: Shawn Deal Report Distribution: (1) Duke Realty Services, LP (1) Duke Realty Services, LP (1) City of Coppell Engineering Dept. (1) Potter Concrete 28 Days Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) DATE TESTED 5.0 10/02/2003 5.0 10/23/2003 5.0 10/23/2003 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA REPORT OF TESTS 5.0 11/20/2003 56 sidewalk pour, equipment failure on batch plant. Started: 4:30am (I) Pacheco Koch Consulting Engineers (I) Engineering Analyst (1) City of Coppell Bldg. Inspections 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 Report No.: Project No.: Date of Service: Report Date: 195220 037333 09/25/2003 10/03/2003 MIX DESIGN I.D.: 7752 PLACEMENT DATE: 09/25/2003 WEATHER CONDITIONS: Partly cloudy TIME SAMPLED: 1 1:30am BATCH TIME: 1034am TEMPERATURE (F) AIR 86 F CONCRETE: 89 F TRUCK NO: 1 TICKET NO: 493 AIR CONTENT 4.1 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Northwest parking starting at 50' west of northwest comer of Building, west 120', south 140', northwest loading ramp sidewalk northwest comer of Ruby Road, Coppell Road, north 1300' SAMPLE LOCATION: Sidewalk from comer of Ruby and Coppell, 10' north AGE (days) 7 28 28 MAXIMUM LOAD (Ibs. force) 120135 Standby to finish paving on parking and to move to east side building for Finished: 12:15pm COMPRESSIVE STRENGTH (Psi) 4250 Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap K. Scott Watson, AET CMT Operations Manager FRACTURE TYPE 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. 01DD Page 5 of 5 Ro =gin Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 1 1 1 2 1 3 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. SPECIFICATION REQUIREMENTS Duke Realty Services, LP Potter On Site 4000 psi 28 Days 5" maximum 3% 6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP (inches) 4.0 4.0 4.0 DATE TESTED 08/14/2003 09/04/2003 09/04/2003 1 4 Hold CONCRETE COMPRESSIVE STRENGTH TEST Report No.: Project No.: Date of Service: Report Date: PROJECT DATA MIX DESIGN LD.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 7:25am BATCH TIME: 7:08am TEMPERATURE (F) AIR 84 F CONCRETE: 90 F TRUCK NO: 104 TICKET NO: 117888 AIR CONTENT 4.3 UNIT WEIGHT (pct): NA OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. SAMPLE LOCATION: 10' west, 10' south of northeast comer REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) AGE (days) 7 28 28 MAXIMUM LOAD (Ibs. force) 97065 131990 128490 Average 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 COMPRESSIVE STRENGTH (Psi) 3430 4670 4540 4610 192290 037333 08/07/2003 10/03/2003 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap 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. 01 Page 1 of 6 Ro =gin Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 5" maximum AIR 3% 6% TEST METHOD: ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 CYLINDER MARKED SET NO. 4 1 4 2 4 3 4 4 DATE TESTED 08/14/2003 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. Duke Realty Services, LP Potter On Site MEASURED SLUMP (inches) 5.0 5.0 5.0 09/04/2003 09/04/2003 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) AGE (days) 7 28 28 5.0 10/02/2003 56 MIX DESIGN I.D.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 10:50am BATCH TIME: 10:32am TEMPERATURE (F) AIR 86 F CONCRETE: 91 F TRUCK NO: 114 TICKET NO: 117918 AIR CONTENT 4.8 OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. SAMPLE LOCATION: 175' west, 10' north of southeast corner MAXIMUM LOAD (Ibs. force) 111310 113250 Average Does not comply with specified strength. 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 Report No.: Project No.: Date of Service: Report Date: UNIT WEIGHT (pct): NA COMPRESSIVE STRENGTH (Psi) 86170 3050 120670 4270 192290 037333 08/07/2003 10/03/2003 3940 4000 3970 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap Unbonded Cap 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. 01 Page 4 of 6 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: 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. Duke Realty Services, LP Potter On Site SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 5" maximum AIR 3% 6% TEST METHOD: ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 CYLINDER MARKED SET NO. 2 1 2 2 2 3 MEASURED SLUMP DATE (inches) TESTED 5.0 08/14/2003 5.0 09/04/2003 5.0 09/04/2003 2 4 Hold Water added at site: 5 gallons. 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 Report No.: Project No.: Date of Service: Report Date: 192290 037333 08/07/2003 10/03/2003 PROJECT DATA MIX DESIGN I.D.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 8:35am BATCH TIME: 8:14am TEMPERATURE (F) AIR 84 F CONCRETE: 91 F TRUCK NO: 104 TICKET NO: 117898 AIR CONTENT 3.7 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. SAMPLE LOCATION: 25' west, 5' north of southeast corner REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28 27 sq in.) AGE (days) 7 28 28 MAXIMUM LOAD (Ibs. force) 94935 122430 123040 Average COMPRESSIVE STRENGTH (Psi) 3360 4330 4350 4340 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap 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. 01 Page 2 of 6 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 3 1 3 2 3 3 Duke Realty Services, LP Potter On Site 4000 psi 28 Days 5" maximum 3% 6% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP DATE (inches) TESTED 5.0 08/14/2003 5.0 09/04/2003 5.0 09/04/2003 3 4 Hold 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 PROJECT DATA REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) SAMPLE LOCATION: 150' west, 10' south of northeast comer AGE (days) 7 28 28 MAXIMUM LOAD (lbs. force) 94595 124485 125795 Average Report No.: Project No.: Date of Service: Report Date: COMPRESSIVE STRENGTH (psi) 3350 4400 4450 4430 192290 037333 08/07/2003 10/03/2003 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. MIX DESIGN I.D.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 9:50am BATCH TIME: 9:36am TEMPERATURE (F) AIR 86 F CONCRETE: 91 F TRUCK NO: 104 TICKET NO: 1 17908 AIR CONTENT 3.9 UNIT WEIGHT (pct): NA OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap 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 Rene Engineers, Ltd. 11 Page 3 of 6 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SLTPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 5" maximum AIR 3% 6% TEST METHOD: CYLINDER MARKED SET NO. MEASURED SLUMP (inches) 5 1 5.0 5 2 5.0 5 3 5.0 Duke Realty Services, LP Potter On Site ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 5 4 Hold 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 Report No.: Project No.: Date of Service: Report Date: 192290 037333 08/07/2003 10/03/2003 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 MIX DESIGN I.D.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 12:10pm BATCH TIME: TEMPERATURE (F) AIR TRUCK NO: 114 AIR CONTENT 4.7 OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. SAMPLE LOCATION: REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) DATE AGE TESTED (days) 08/14/2003 7 09/04/2003 28 09/04/2003 28 MAXIMUM LOAD (lbs. force) 87440 111600 114740 Average Does not comply with specified strength. 11:49am 88 F CONCRETE: 94 F TICKET NO: 11 7928 UNIT WEIGHT (pci): NA 100' east, 10' north of southwest corner COMPRESSIVE STRENGTH (Psi) FRACTURE TYPE 3090 Unbonded Cap 3950 Unbonded Cap 4060 Unbonded Cap 4010 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. )1 Page 5 of 6 RoneEngineers Client: Duke Realty Services, LP Attn: Mr. Jeff Langston 5495 Belt Line Road, Suite 360 Dallas TX 75254 Project: Services: CONTRACTOR: CONCRETE SUPPLIER: PLANT: SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 6 1 6 2 6 3 6 4 Duke Realty Services, LP Potter On Site 4000 psi 28 Days 5" maximum 3% 6% ASTM C -172 ASTM C -31 ASTM C -I43 ASTM C -231 ASTM C -1064 ASTM C -138 ASTM C -39 MEASURED SLUMP (inches) 5.0 5.0 5.0 Technician: Lanny Gist Report Distribution: (1) Duke Realty Services, LP (1) Duke Realty Services, LP (1) City of Coppell Engineering Dept. (1) Potter Concrete DATE TESTED 08/14/2003 09/04/2003 09/04/2003 Hold PROJECT DATA SAMPLE LOCATION: REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" (area 28.27 sq. in.) Started: 6:30am Finished: 2:30pm (1) Pacheco Koch Consulting Engineers (1) Engineering Analyst (1) City of Coppell Bldg. Inspections MAXIMUM LOAD (lbs. force) 89155 117525 118990 Average 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 PRESSIVE STRENGTH TEST Report No.: Project No.: Date of Service: Report Date: 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. MIX DESIGN LD.: 7752 PLACEMENT DATE: 08/07/2003 WEATHER CONDITIONS: Clear TIME SAMPLED: 1:10 pm BATCH TIME: 12:50pm TEMPERATURE (F) AIR 94 F CONCRETE: 94 F TRUCK NO: 103 TICKET NO: 1 17938 AIR CONTENT 4.0 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: North half of north parking lot, building column line R to Z. 20' east, 10' south of northwest comer COMPRESSIVE STRENGTH (psi) 192290 037333 08/07/2003 10/03/2003 K. Scott Watson, AET CMT Operations Manager FRACTURE TYPE 3150 Unbonded Cap Unbonded Cap Unbonded Cap 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. 01 Page 6 of 6