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Gateway BP(3.1)-LR070913 Rone Engineering . Client: Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 295589 Project No.: 0712786 Date of Service: 08/14/2007 Report Date: 09/13/2007 Project: Gateway Business Center Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Constructors & Associates Concrete Supplier: LMC Plant: 3 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 4" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 1551 Placement Date: 08/14/2007 Weather Conditions: Sunny Time Sampled: 02: 15pm Temperature - Air: 1050F Truck No: 1096 Air Content: 3.4% Overall Placement Location: Inlets Batch time: 01 :29pm Concrete: 920F Ticket No: 3235136 Unit Weight (pet): NA Measured Slump (inches) 3.0 Sample Location: Inlets, front parking lot in front of building 2 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 1 1 08/21/2007 7 6.00 28.27 90,430 3,200 Unbonded Cap 2 09/11/2007 28 6.00 28.27 116,060 4,100 Cone/Split 3 09/11/2007 28 6.00 28.27 124,710 4,410 Cone/Split Average 4,260 4 10/09/2007 56 Remarks: Water added at site: 10 gallons 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, 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 Engineering Services, Ltd. (KW/KW) Page 1 of 2 Rone Engineering .. 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Client: Report of Concrete Compressive Strength Test Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 Report No.: 295527 Project No.: 0712786 Date of Service: 08/14/2007 Report Date: 09/13/2007 Project: Gateway Business Center Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Constructors & Associates Concrete Supplier: Redi-Mix Plant: 136 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 5" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 23601524 Placement Date: 08/14/2007 Weather Conditions: Sunny Time Sampled: 03:05am Temperature - Air: 780F Truck No: 1032 Air Content: 4.1 % Overall Placement Location: Paving Batch time: 02:44am Concrete: 900F Ticket No: 13693938 Unit Weight (pcf): NA Measured Slump (inches) 4.75 Sample Location: Block B, lot 1, south section REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type - 1 1 08/21/2007 7 6.00 28.27 77,420 2,740 Unbonded Cap 2 09/11/2007 28 6.00 28.27 99,820 3,530 Cone/Split 3 09/11/2007 28 6.00 28.27 103,600 3,660 Shear Average 3,600 4 10/09/2007 56 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, 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 Engineering Services, Ltd. (KW/KW) Page 1 of 5 Rone Engineering . Client: Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 295527 Project No.: 0712786 Date ot Service: 08/14/2007 Report Date: 09/13/2007 Project: Gateway Business Center Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Constructors & Associates Concrete Supplier: Redi-Mix Plant: 136 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 5" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 23601524 Placement Date: 08/14/2007 Weather Conditions: Sunny Time Sampled: 04:16am Temperature - Air: 780F Truck No: 1036 Air Content: 5.1 % Overall Placement Location: Paving Batch time: 03:29am Concrete: 920F Ticket No: 13693943 Unit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: Block B, lot 1, center section REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in2) (Ibs) (psi) Type 2 1 08/21/2007 7 6.00 28.27 85,240 3,010 Unbonded Cap 2 2 09/11/2007 28 6.00 28.27 108,320 3,830 Cone/Shear 2 3 09/11/2007 28 6.00 28.27 106,430 3,760 Cone/Shear Average 3,800 2 4 10/09/2007 56 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, 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 Engineering Services, Ltd. (KW/KW) Page 2 of 5 Rone Engineering . Client: Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 295527 Project No.: 0712786 Date of Service: 08/14/2007 Report Date: 09/13/2007 Project: Gateway Business Center Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Constructors & Associates Concrete Supplier: Redi-Mix Plant: 136 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 5" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design I.D.: 23601524 Placement Date: 08/14/2007 Weather Conditions: Sunny Time Sampled: 05:21am Temperature - Air: 800F Truck No: 1036 Air Content: 5.3% Overall Placement Location: Paving Batch time: 04:46am Concrete: 950F Ticket No: 13693958 Unit Weight (pcf): NA Measured Slump (inches) 6.0 Sample Location: Block B, lot 1, north section REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in2) (Ibs) (psi) Type 3 1 08/21/2007 7 6.00 28.27 76,780 2,720 Un bonded Cap 3 2 09/11/2007 28 6.00 28.27 103,670 3,670 Cone/Shear 3 3 09/11/2007 28 6.00 28.27 113,070 4,000 Shear Average 3,830 3 4 10/09/2007 56 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, 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 Engineering Services, Ltd. (KW/KW) Page 3 of 5 Rone Engineering . Client: Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freidrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 295527 Project No.: 0712786 Date of Service: 08/14/2007 Report Date: 09/13/2007 Project: Gateway Business Center Coppell, Texas Services: Obtain samples of fresh concrete at the placement locations, perform required testing, cast compressive strength samples and bring samples back to the laboratory for curing and testing in accordance with applicable standards. Contractor: Constructors & Associates Concrete Supplier: Redi-Mix Plant: 136 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 5" maximum Air (%): 3% - 6% Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM C-1 064 ASTM C-138 ASTM C-39 PROJECT DATA Mix Design 1.0.: 23601524 Placement Date: 08/14/2007 Weather Conditions: Sunny Time Sampled: 06:50am Temperature - Air: 800F Truck No: 1017 Air Content: 4.9% Overall Placement Location: Paving Batch time: 06: 1 Dam Concrete: 950F Ticket No: 13693969 Unit Weight (pet): NA Measured Slump (inches) 5.25 Sample Location: Block B, lot 1, east section REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Date Age Diameter Area Load Strength Fracture Set No. Tested (days) (in) (in') (Ibs) (psi) Type 4 1 08/21/2007 7 6.00 28.27 85,930 3,040 Unbonded Cap 4 2 09/11/2007 28 6.00 28.27 109,090 3,860 Cone/Shear 4 3 09/11/2007 28 6.00 28.27 117,780 4,170 Cone/Split Average 4,010 4 4 10/09/2007 56 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, 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 Engineering Services, Ltd. (KWIKW) Page 4 of 5