Loading...
Duke Lesley 3C-LR071217 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 296553 Project No.: 0711530 Date of Service: 08/23/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 01 Specification Requirements Strength: 3,000 psi @ 28 days Slump (in.): 5" - 7" Air (%): NA 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.: 7751 PW Placement Date: 08/23/2007 Weather Conditions: Sunny Time Sampled: 11 :25am Temperature - Air: 880F Truck No: 109 Air Content: NA Overall Placement Location: Piers (see report #296552) Batch time: 10:59am Concrete: 940F Ticket No: 13143 Unit Weight (pet): NA Measured Slump (inches) 7.0 Sample Location: Pier F/17 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 90,080 3,190 Unbonded Cap 1 2 09/20/2007 28 6.00 28.27 126,100 4,460 Shear 1 3 09/20/2007 28 6.00 28.27 120,980 4,280 Cone/Split Average 4,370 1 4 10/18/2007 56 6.00 28.27 124,910 4,420 Cone/Split Technician: Denny Harris Rone Engineering See Report 296552 for technician time~ ~ Report Distribution: ~ Orig: Duke Construction. LP (Dallas. TX) Attn: Mr. Paul Byrne . .' . . (1-ec copy) - 1-cc Potter Concrete Attn: Mr. Ryan Skelly K S It Waf. AET 1-cc City of Coppel! Attn: Mr. Lee Stone . p c~ t M son. 1-cc City of Coppel! Attn: Mr. Larry Davis rOJec anager ~ 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/KW) Page 1 of 1 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307471 Project No.: 0711530 Date of Service: 12/06/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: NA Specification Requirements Strength: 4,000 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 Mix Design I.D.: NA Placement Date: 12/06/2007 Weather Conditions: Clear Time Sampled: 08:30am Temperature - Air: 450F Truck No: NA Air Content: 5.2% Overall Placement Location: Paving, north and south approach and east approach on Dividend Drive Measured Slump (inches) 5.75 Batch time: Concrete: 660F Ticket No: NA Unit Weight (pcf): NA Sample Location: South approach on Beltline REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 107,380 Cylinder Marked Date Set No. Tested 1 1 12/13/2007 1 2 01/03/2008 1 3 01/03/2008 1 4 01/31/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 ~E:j ~[g 5J] t;] DO D Type 1 Type 2 Type 3 Type 4 Type 5 Remarks: Water added at site: 5 gallons Area (in') 28.27 Compressive Strength (psi) 3,800 Fracture Type Type2 Type 6 Rone Engineering p~ Started: 07:15am Finished: 10:00am Technician: Jose Villanueva Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Attn: Mr Ryan Skelly 1-ec Duke Construction, LP Attn: Mr. Jason Sulzener 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis ~ K. Scott Watson, AET Project 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, 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. (TMIJB) Page 1 of 1 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307463 Project No.: 0711530 Date of Service: 12/06/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 10 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9705 Placement Date: 12/06/2007 Weather Conditions: Partly cloudy Time Sampled: 05:55am Batch time: 05:21am Temperature - Air: 450F Concrete: 650F Truck No: 140 Ticket No: 9855 Air Content: NA Unit Weight (pet): NA Overall Placement Location: Mezzanine level 2, lines 1.1-9/C.1-N Measured Slump (inches) 4.0 Sample Location: Lines B.B/L.B REPORT OF TESTS Cylinder Marked Date Set No. Tested 1 1 12/13/2007 1 2 01/03/2008 1 3 01/03/2008 4 01/31/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 0E3 ~[g Krn E;] DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 138,600 Compressive Strength (psi) 4,900 Fracture Type Type2 Area (in') 28.27 Type 6 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. (CH/JB) Page 1 of 4 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307463 Project No.: 0711530 Date of Service: 12/06/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 10 Specification Requirements Strength: 4,000 psi @28 days Slump (in.): 3" - 5" Air (0/0): NA 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.: 9705 Placement Date: 12/06/2007 Weather Conditiops: Clear Time Sampled: 07:20am Temperature - Air: 450F Truck No: 140 Air Content: NA Overall Placement Location: Mezzanine level 2, lines 1.1-9IC.1-N Batch time: 07:12am Concrete: 650F Ticket No: 9865 Unit Weight (pet): NA Measured Slump (inches) 7.0 Sample Location: Lines 6.5/J.9 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 12/13/2007 7 6.00 28.27 95,780 3,390 Type2 2 2 01/03/2008 28 2 3 01/03/2008 28 2 4 01/31/2008 56 0r:3 [1]~ NB lSl DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 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. (CH/JB) Page 2 of 4 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, 8te 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 307463 Project No.: 0711530 Date of Service: 12/06/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 10 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9705 Placement Date: 12/06/2007 Weather Conditions: Clear Time Sampled: 09:30am Temperature - Air: 480F Truck No: 130 Air Content: NA Overall Placement Location: Mezzanine level 2, lines 1.1-9/C.1-N Batch time: 09:17am Concrete: 660F Ticket No: 9875 Unit Weight (pet): NA Measured Slump (inches) 6.0 Sample Location: Lines 1<14.5 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 12/13/2007 7 6.00 28.27 111,960 3,960 Type2 3 2 01/03/2008 28 3 3 01/03/2008 28 3 4 01/31/2008 56 ~~ ~[g [IDJ E;J DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 LIMIT A nONS: 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. (CH/JB) Page 3 of 4 Rone Engineering ..- Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307463 Project No.: 0711530 Date of Service: 12/06/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Potter Concrete Plant: 10 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 3" - 5" Air (%): NA 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.: 9705 Placement Date: 12/06/2007 Weather Conditions: Clear Time Sampled: 11 :20am Temperature - Air: 500F Truck No: 140 Air Content: NA Overall Placement Location: Mezzanine level 2, lines 1.1-9/C.1-N Sample Location: Lines L.8/5.3 REPORT OF TESTS Batch time: 11 :02am Concrete: 660F Ticket No: 9885 Unit Weight (pct): NA Measured Slump (inches) 5.0 Cylinder Marked Date Set No. Tested 4 1 12/13/2007 4 2 01/03/2008 4 3 01/03/2008 4 4 01/31/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 0~ ~Q] fill] ~ DO D Type 1 Type 2 Type 3 Type 4 Type 5 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 105,620 Area (in') 28.27 Type 6 Compressive Strength (psi) 3,740 Fracture Type Type2 Technician: Brad Hickman Started: 04:30am Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Attn: Mr Ryan Skelly 1-ec Duke Construction, LP Attn: Mr. Jason Sulzener 1-cc City of Coppel! Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis 12~ft;;ii: K. Scott Watson, AET Project Manager Finished: ~ 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. (CH/JB) Page 4 of 4 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W LitUe 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.: 307303 Project No.: 0711530 Date of Service: 12/05/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: 88 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 5" maximum Air (%): NA 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.: 340K1601 Placement Date: 12/05/2007 Weather Conditions: Cloudy Time Sampled: 05:25am Temperature - Air: 400F Truck No: 1218 Air Content: NA Overall Placement Location: 3rd floor, slab Batch time: 04: 19am Concrete: 600F Ticket No: 88057414 4nit Weight (pet): NA Measured Slump (inches) 5.0 Sample Location: 15' west, 10' south from southwest corner of slab 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) (inZ) (Ibs) (psi) Type 1 1 12/12/2007 7 6.00 28.27 99,800 3,530 Type2 1 2 01/02/2008 28 1 3 01/02/2008 28 1 4 01/30/2008 56 ~r3 ~Q] ~ t;] DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 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. (DMlJB) Page 1 of 5 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassatlor Row, Dallas, TX 75247 n01 W Little York, Ste 600, Houston, TX 77040 4421 Freitlrlch, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 307303 Project No.: 0711530 Date of Service: 12/05/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: 88 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 5" maximum Air (%): NA 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.: 340K1601 Placement Date: 12/05/2007 Weather Conditions: Cloudy Time Sampled: 06:35am Temperature - Air: 430F Truck No: 1188 Air Content: NA Overall Placement Location: 3rd floor, slab Batch time: 06:01 am Concrete: 640F Ticket No: 13603338 Unit Weight (pet): NA Measured Slump (inches) 5.5 Sample Location: 35' west, 25' south from southwest corner of slab REPORT OF TESTS Cylinder Marked Date Set No. Tested 2 1 12/12/2007 2 2 01/02/2008 2 3 01/02/2008 2 4 01/30/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 ~[3 ~~ ffij bJ DO D Type 1 Type 2 Type 3 Type 4 Type 5 Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 89,650 Compressive Strength (psi) 3,170 Fracture Type Type3 Area (in') 28.27 Type 6 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. (DMlJB) Page 2 of 5 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307303 Project No.: 0711530 Date of Service: 12/05/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: 88 Specification Requirements Strength: 4,000 psi @28 days Slump (in.): 5" maximum Air (%): NA 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.: 340K1601 Placement Date: 12/05/2007 Weather Conditions: Sunny Time Sampled: 08:30am Temperature - Air: 500F Truck No: 1182 Air Content: NA Overall Placement Location: 3rd floor, slab Batch time: 06:57am Concrete: 650F Ticket No: 13603349 Unit Weight (pct): NA Measu red Slump (inches) 5.0 Sample Location: 45' south, 35' west from southwest corner of slab Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 89,910 Area (inZ) 28.27 Type 6 REPORT OF TESTS Compressive Strength (psi) 3,180 Fracture Type Type2 Cylinder Marked Date Set No. Tested 3 1 12/12/2007 3 2 01/02/2008 3 3 01/02/2008 3 4 01/30/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 l8~ ~~ fill] [J DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 L1MrrA TIONS: 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. (DMlJB) Page 3 of 5 Rone Engineering . Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 8908 Ambassador Row, Dallas, TX 75247 7701 W Little York, Ste 600, Houston, TX 77040 4421 Freldrich, Ste 195, Austin, TX 78744 Corporate Phone: (214) 630-9745 Report of Concrete Compressive Strength Test Report No.: 307303 Project No.: 0711530 Date of Service: 12/05/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: 88 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 5" maximum Air (%): NA 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.: 340K1601 Placement Date: 12/05/2007 Weather Conditions: Sunny Time Sampled: 10:06am Temperature - Air: 550F Truck No: 1048 Air Content: NA Overall Placement Location: 3rd floor, slab Batch time: 08:47am Concrete: 650F Ticket No: 88057429 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: 40' east, 35' north from northeast corner of slab 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 12/12/2007 7 6.00 28.27 107,310 3,800 Type3 4 2 01/02/2008 28 4 3 01/02/2008 28 4 4 01/30/2008 56 ~t3 ~~ KG] [;] DO D Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 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. (DMlJB) Page 4 of 5 Rone En~== Client: Duke Construction, LP 14241 Dallas Pkwy, Ste 1000 Dallas, TX 75254-2936 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.: 307303 Project No.: 0711530 Date of Service: 12/05/2007 Report Date: 12/17/2007 Project: Point West Office I 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: Duke Construction, LP Concrete Supplier: Redi-Mix Plant: 88 Specification Requirements Strength: 4,000 psi @ 28 days Slump (in.): 5" maximum Air (%): NA 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.: 340K1601 Placement Date: 12/05/2007 Weather Conditions: Sunny Time Sampled: 12:00pm Temperature - Air: 600F Truck No: 1356 Air Content: NA Overall Placement Location: 3rd floor, slab Batch time: 10:55am Concrete: 700F Ticket No: 88057440 Unit Weight (pet): NA Measured Slump (inches) 4.5 Sample Location: 20' east, 30' north from northeast corner of slab REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" Maximum Load (Ibs) 117,790 Cylinder Marked Date Set No. Tested 5 1 12/12/2007 5 2 01/02/2008 5 3 01/02/2008 5 4 01/30/2008 Age (days) 7 Diameter (in) 6.00 28 28 56 ~E:J ~[g ~ E;J DO 0 Type 1 Type 2 Type 3 Type 4 Type 5 Area (in') 28.27 Compressive Strength (psi) 4,170 Fracture Type Type2 Type 6 Rone Engineering p~ Started: 04:15am Finished: 01:30pm Technician: Jimmy Scott Report Distribution: Orig: Duke Construction, LP (Dallas, TX) Attn: Mr. Paul Byrne (1-ec copy) 1-cc Potter Concrete Attn: Mr Ryan Skelly 1-ec Duke Construction, LP Attn: Mr. Jason Sulzener 1-cc City of Coppell Attn: Mr. Lee Stone 1-cc City of Coppell Attn: Mr. Larry Davis ~ K. Scott Watson, AET Project 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, 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. (DMlJB) Page 5 of 5