Loading...
Gateway BP(3.1)-LR070927 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.: 296560 Project No.: 0712786 Date of Service: 08/23/2007 Report Date: 09/27/2007 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: 88 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/23/2007 Weather Conditions: Clear, warm Time Sampled: 03:50pm Batch time: 03:03pm Temperature - Air: 760F Concrete: 860F Truck No: 1219 Ticket No: 88053502 Air Content: 4.6% Unit Weight (pct): NA Overall Placement Location: Paving, parking lot, elevation 525.70, 526.50, 527.30, 527.70 Measured Slump (inches) 5.5 Sample Location: Same as above 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 08/30/2007 7 6.00 28.27 83,230 2,940 Unbonded Cap 2 09/20/2007 28 6.00 28.27 97,230 3,440 Shear 3 09/20/2007 28 6.00 28.27 99,600 3,520 Cone/Split Average 3,480 * 4 10/18/2007 56 * Does not comply with specified strength 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. (TM/LB) 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.: 296560 Project No.: 0712786 Date of Service: 08/23/2007 Report Date: 09/27/2007 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: 88 Specification Req u irements Strength: 3,600 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/23/2007 Weather Conditions: Clear, warm Time Sampled: 05: 11 am Batch time: 04:29am Temperature - Air: 740F Concrete: 810F Truck No: 1219 Ticket No: 88053515 Air Content: 4.7% Unit Weight (pet): NA Overall Placement Location: Paving, parking lot, elevation 525.70,526.50,527.30,527.70 Measured Slump (inches) 5.0 Sample Location: Same as above 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 08/30/2007 7 6.00 28.27 79,400 2,810 Unbonded Cap 2 2 09/20/2007 28 6.00 28.27 100,590 3,560 Shear 2 3 09/20/2007 28 6.00 28.27 97,450 3,450 Cone/Split Average 3,500 * 2 4 10/18/2007 56 * Does not comply with specified strength 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. (TM/LB) 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.: 296560 Project No.: 0712786 Date of Service: 08/23/2007 Report Date: 09/27/2007 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: 88 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/23/2007 Weather Conditions: Clear, warm Time Sampled: 06:30am Batch time: 05:40am Temperature - Air: 750F Concrete: 880F Truck No: 1198 Ticket No: 88053523 Air Content: 5.3% Unit Weight (pet): NA Overall Placement Location: Paving, parking lot, elevation 525.70, 526.50, 527.30,527.70 Measured Slump (inches) 5.0 Sample Location: Same as above 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 3 1 08/30/2007 7 6.00 28.27 90,320 3,190 Unbonded Cap 3 2 09/20/2007 28 6.00 28.27 119,550 4,230 Cone/Split 3 3 09/20/2007 28 6.00 28.27 108,680 3,840 Cone/Split Average 4,040 3 4 10/18/2007 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. (TM/LB) 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.: 296560 Project No.: 0712786 Date of Service: 08/23/2007 Report Date: 09/27/2007 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: 88 Specification Requirements Strength: 3,600 psi @ 28 days Slump (in.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/23/2007 Weather Conditions: Clear, warm Time Sampled: 08:10am Batch time: 07:07am Temperature - Air: 760F Concrete: 840F Truck No: 1046 Ticket No: 88053533 Air Content: 5.7% Unit Weight (pcf): NA Overall Placement Location: Paving, parking lot, elevation 525.70, 526.50, 527.30, 527.70 Measured Slump (inches) 5.5 Sample Location: Same as above 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 08/30/2007 7 6.00 28.27 96,910 3,430 Unbonded Cap 4 2 09/20/2007 28 6.00 28.27 116,210 4,110 Shear 4 3 09/20/2007 28 6.00 28.27 113,180 4,000 Shear Average 4,060 4 4 10/18/2007 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. (TMILB) Page 4 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.: 297075 Project No.: 0712786 Date of Service: 08/28/2007 Report Date: 09/27/2007 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.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/28/2007 Weather Conditions: Cloudy, calm Time Sampled: 03:02am Batch time: 02:23am Temperature - Air: 700F Concrete: 830F Truck No: 1187 Ticket No: 13695404 Air Content: 5.3% Unit Weight (pct): NA Overall Placement Location: Paving, N-100927.2721 to E-299427.2378, pg C1.01 Measured Slump (inches) 5.0 Sample Location: Same as above 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 1 1 09/04/2007 7 6.00 28.27 116,490 4,120 Cone/Shear 2 09/25/2007 28 6.00 28.27 143,720 5,080 Shear 3 09/25/2007 28 6.00 28.27 137,080 4,850 Shear Average 4,970 4 10/23/2007 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. (TM/LB) 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.: 297075 Project No.: 0712786 Date of Service: 08/28/2007 Report Date: 09/27/2007 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.): 4" - 6" Air (%): 3% - 5% 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 1.0.: 1524 Placement Date: 08/28/2007 Weather Conditions: Cloudy, calm Time Sampled: 04:30am Batch time: 03:28am Temperature. Air: 710F Concrete: 860F Truck No: 136 Ticket No: 13695414 Air Content: 5.0% Unit Weight (pet): NA Overall Placement Location: Paving, N-100927.2721 to E-299427.2378, pg C1.01 Measured Slump (inches) 5.0 Sample Location: Same as above 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 2 1 09/04/2007 7 6.00 28.27 115,270 4,080 Cone/Split 2 2 09/25/2007 28 6.00 28.27 141,130 4,990 Cone/Split 2 3 09/25/2007 28 6.00 28.27 140,570 4,970 Cone/Split Average 4,980 2 4 10/23/2007 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. (TMlLB) 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.: 297075 Project No.: 0712786 Date of Service: 08/28/2007 Report Date: 09/27/2007 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.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/28/2007 Weather Conditions: Cloudy, calm Time Sampled: 04:53am Batch time: 04:31am Temperature - Air: 730F Concrete: 900F Truck No: 1032 Ticket No: 13695425 Air Content: 4.9% Unit Weight (pet): NA Overall Placement Location: Paving, N-1 00860.9060 to E-299563-1 017, pg C1.01 Measured Slump (inches) 5.5 Sample Location: Same as above 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 3 1 09/04/2007 7 6.00 28.27 113,850 4,030 Cone/Split 3 2 09/25/2007 28 6.00 28.27 115,930 4,100 Shear 3 3 09/25/2007 28 6.00 28.27 125,370 4,430 Shear Average 4,270 3 4 10/23/2007 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. (TMILB) 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.: 297075 Project No.: 0712786 Date of Service: 08/28/2007 Report Date: 09/27/2007 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.): 4" - 6" Air (%): 3% - 5% 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.: 1524 Placement Date: 08/28/2007 Weather Conditions: Cloudy, calm Time Sampled: 07:03am Batch time: 06:16am Temperature - Air: 730F Concrete: 880F Truck No: 1187 Ticket No: 13695443 Air Content: 4.5% Unit Weight (pet): NA Overall Placement Location: Paving, N-1 00860.9060 to E-299563.1 017, pg C1.01 Measured Slump (inches) 5.0 Sample Location: Same as above 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 09/04/2007 7 6.00 28.27 85,270 3,020 Cone/Split 4 2 09/25/2007 28 6.00 28.27 100,550 3,560 Cone/Split 4 3 09/25/2007 28 6.00 28.27 109,020 3,860 Cone/Split Average 3,710 4 4 10/23/2007 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. (TM/LB) Page 4 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.: 296989 Project No.: 0712786 Date of Service: 08/27/2007 Report Date: 09/27/2007 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. PROJECT DATA 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 Measured Slump (inches) 4.0 Mix Design I.D.: 1551 Placement Date: 08/27/2007 Weather Conditions: Partly cloudy, calm Time Sampled: 02:35pm Batch time: 01 :24pm Temperature. Air: 930F Concrete: 910F Truck No: 5023 Ticket No: 3235884 Air Content: 4.3% Unit Weight (pet): NA Overall Placement Location: Inlet top, northwest corner of west parking lot, leave out area around storm drain, 100' north, 80' of (cont) Sample Location: Same as above 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 09/03/2007 7 6.00 28.27 98,500 3,480 Unbonded Cap 1 2 09/24/2007 28 6.00 28.27 125,880 4,450 Cone/Split 1 3 09/24/2007 28 6.00 28.27 127,460 4,510 Shear Average 4,480 4 10/22/2007 56 Remarks: Cont: southeast corner of west parking lot 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, LId. (TMfLB) Page 1 of 2 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.: 296792 Project No.: 0712786 Date of Service: 08/24/2007 Report Date: 09/27/2007 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.): 3" - 5" 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 1.0.: 1551 Placement Date: 08/24/2007 Weather Conditions: Clear, warm Time Sampled: 02:15pm Batch time: 01:23pm Temperature - Air: 950F Concrete: 940F Truck No: 1050 Ticket No: 3235802 Air Content: 3.8% Unit Weight (pet): NA Overall Placement Location: Inlet top, far northwest building corner Measured Slump (inches) 4.0 Sample Location: Same as above 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 08/31/2007 7 6.00 28.27 110,370 3,900 Unbonded Cap 1 2 09/21/2007 28 6.00 28.27 139,980 4,950 Cone/Split 1 3 09/21/2007 28 6.00 28.27 134,290 4,750 Cone/Split Average 4,850 4 10/19/2007 56 Remarks: Water added at site: 5 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. (TMfLB) Page 1 of 2 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Cylinder Maximum Compressive Marked Age Diameter Area Load Strength Fracture Set No. (days) (in) (in') (Ibs) (psi) Type 1 1 7 6.00 28.27 81,960 2,900 Unbonded Cap 2 09/20/2007 28 6.00 28.27 102,810 ~ 3 09/20/2007 28 6.00 28.27 101,870 Average 3,620 4 10/18/2007 56 Rone Engineering . Client: Transwestern Commercial Services 5001 Spring Valley Dallas, TX 75244 Project: Contractor: Constructors & Associates Concrete Supplier: Redi-Mix Plant: 136 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 3" - 6" Air (%): NA Test Method: ASTM C-172 ASTM C-31 (except 10.1.2) ASTM C-143 ASTM C-231 ASTM 4 AST A Remarks: Water added at site: 5 gallons }d,~\~g1 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.: 296613 Project No.: 0712786 Date of Service: 08/23/2007 Report Date: 09/27/2007 PROJECT DATA Mix Design 1.0.: 1501 Placement Date: 08/23/2007 Weather Conditions: Clear, warm Time Sampled: 10:03am Batch time: 09:34am Temperature - Air: 830F Concrete: 890F Truck No: 1350 Ticket No: 13695089 Air Content: 1.6% Unit Weight (pcf): NA Overall Placement Location: Paving, building 1, slab, level 1 , grid lines 15.5-A/12-9.0 Measured Slump (inches) 5.5 Sample Location: Same as above J 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. (TM/LB) Page 1 of 2