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Freeport NIP(8.1)-LR060421one Engineering E:w' >�c1 },iy�o Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 Project: Services. Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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..: 946 PLACEMENT DATE: 03/14/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 4.30an1 BATCH TIME: NA TEMPERATURE (F) AIR 50 F CONCRETE: 70 F TRUCK NO: 238 rICKETNO: 164256 AIR CONTENT 4 0 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Paving south side of Building 15 CONTRACTOR: Duke Construction, LP CONCRETE SUPPLIER: Rail Mix PLANT 1 SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 4" 6" AIR( 3% -5% TEST" METHOD ASTM C -172 ASTM C -31 4 Hold ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 except 9 1 2 CONCRETE COMPRESSIVE STRENGTH TEST REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" CYLINDER MARKED DATE AGE DIAMETER AREA SET NO. IESTED (days) (inches) (sq.in) 2 1 03/21/2006 7 6 00 28.26 2 2 04/11/2006 28 6 00 28 26 2 3 04/11/2006 28 6 00 28.26 8908 Ambassador Row, Dallas, rX 75247 2696 Gravel Drive, Fort Worth, TX 76118 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630 -9745 Report No.: Project No.: Date of Service: Report Date: 252568 0510795 03/14/2006 04/21/2006 SAMPLE LOCATION: 50' west, 5' south from northeast corner of paving MAXIMUM LOAD (Ibs. for ce) 125870 167620 164660 Average COMPRESSIVE STRENGTH (psi) 4450 5930 5820 5880 MEASURED SLUMP (inches) 50 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap LtIvOTATIONS. 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 OISS Page2of4 •,:one Engineering Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 CONTRACTOR. CONCRETE SUPPLIER. PLANT Project: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): MR TEST METHOD: CYLINDER MARKED DATE AGE SET NO. TESTED (days) 3 1 03/21/2006 7 3 4 Hold Duke Construction, LP Redi Mix 1 4000 psr 28 Days 4" 6" 3 -5% ASTM 0 -172 ASIM C -31 ASTM C -143 ASTM C -231 ASTM 0 -1064 ASTM C -1231 ASTM C-39 except 9 t 2 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA MIX DESIGN ID.. 946 PLACEMENT DATE: 03/14/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 5 15am BATCH TIME: NA TEMPERATURE (F) AIR 55 F CONCRETE: 70 F IRUCIC NO 126 TICICET NO: 164264 AIR CONTENT 4 4 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Paving south side of Building 15 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" MAXIMUM AREA LOAD (sq,in,) (lbs. force) 6 00 28.26 87530 28.26 125170 2826 126990 Average DIAMETER (inches) 3 2 04/11/2006 28 6 00 3 3 04/11/2006 28 6 00 8908 Ambassador Row, Dallas, IX 75217 2696 Gravel Drive, Fort Worth, IX 76118 7701 W Little York, Ste 600, Houston, IX 77040 Corporate Phone: (214) 630 -9745 Report No.: Project No.: Date of Service: Report Date: COMPRESSIVE STRENGTH (Psi) 3100 4430 4490 4460 252568 0510795 03/14/2006 04/21/2006 SAMPLE LOCATION: 85' east, 7' south from northwest corner of paving MEASURED SLUMP (i itches) 50 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, etc) or any other feature of similar subject matter provided by persons or conditions over which we have no cannot 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 OISS Page 3 of 4 :lone Engineering CIient: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd.., Ste 360 Dallas IX 75254 Project: Services: CONTRACTOR: CONCRETE SIA'PI IER: PLANT SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 4" 6" AIR 3% 5% TEST METHOD: ASTM C -172 ASTM C -31 ASTM C-143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 CYLINDER MARKED SE NO. Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 4 4 Hold Technician: Jimmy Hall Report Distribution: (I) Duke Construction L P (1) Extranet (I) Pond, Robinson Associates Duke Construction, LP Redi Mix 1 except 9 1 2 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" DATE AGE DIAMETER AREA TESTED (days) (inches) (sq.ln.) 4 1 03/21/2006 7 6 00 28.26 4 2 04/11/2006 28 6 00 28.26 4 3 04/11/2006 28 6 00 28 26 Started. 2 15am 8908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, Fort Worth, I'X 76118 7 701 W Little York, Ste 600, Houston, IX 77040 Corporate Phone: (214) 630-9745 Report No.: Project No.: Date of Service: Report Date: MIX DESIGN LD.: 946 PLACEMENT DATE: 0 WEATHER CONDITIONS: Clear TIME SAMPLED: 6 40an7 BATCH IIME: NA TEMPERATURE (F) AIR 58 F CONCRETE. 70 F TRUCK NO: 213 TICKET NO: 164274 AIR CONTENT 3.6 UNIT WEIGHT (pct): NA OVERALL PLACEMEN I LOCA TION: Paving south side of Building 15 SAMPLE LOCATION: 15' east, 5' north from southwest comer of paving MAXIMUM LOAD (lbs. force) 90750 130290 130130 Average COMPRESSIVE STRENGTH (psi) 3210 4610 4600 4610 252568 0510795 03/14/2006 04/21/2006 MEASURED SLUMP (inches) 40 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap K. Scott Watson, AFT 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, 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 [MSS Page 4 of 4 e En ineerhig waTti Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd., Ste 360 Dallas TX 75254 Project: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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: CONCRETE SUPPLTER: PLAN I Duke Construction, LP Redi Mix 1 SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 4" 6 AIR 3% 5% TES METHOD: ASTM C -172 ASTM C -31 1 4 Hold ASTM C -143 ASTM C-231 ASTM C -1064 ASTM C -1231 ASTM C -39 except 9 1.2 CYLINDER MARKED DATE AGE DIAMETER AREA SET NO. TEST ED (days) (inches) (sq•in.) 1 1 03/24/2006 7 6 00 28.26 1 2 04/14/2006 28 6 00 28.26 1 3 04/14/2006 28 6 00 28.26 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA NT1X DESIGN it 946 PLACEMENT DATE: 03/17/2006 WEATHER CONDITIONS: C1 TIME SAMPLED: 2.15am IEMPERAIURE (F) MR 46 TRUCK NO: 174 AIR CONTENT 3 0 REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" MAXIMUM LOAD (lbs. force) 105990 148630 146200 Average 8908 Ambassador Row, Dallas, IX 75247 2696 Gravel Drive, Fort Worth, TX 76118 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630 -97.5 Report No.: Project No.: Date of Service: Report Date: ear BATCH TIME: NA F CONCRETE: 60 F nom' NO: 164512 UNIT WEIGIHT (pct): NA OVERALL PLACEMENT LOCATION: Paving, east side of Building 14, and west side of Building 15 SAMPLE LOCATION: 5' east, 8' south from northwest corner of existing paving COMPRESSIVE STRENGTH (psi) 252793 0510795 03/17/2006 04/21/2006 3750 5260 5170 5220 MEASURED SLUMP (inches) 50 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, 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 Rom Engineering Services, Ltd O1SS Page I of 6 e Engineering Project: Services ST RENG IH: SLUMP (in): AIR TEST METHOD: 2 4 Hold Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd., Ste 360 Dallas TX 75254 CONTRACTOR: Duke Construction, LP CONCRETE SUPPLIER. Redt Mix PLANT 1 SPECIFICATION REQUIREMENTS 4000 psi 28 Days 4" 6" 3% 5% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 except r 7 CYLINDER MARKED DATE AGE DIAMETER AREA SET NO.. TESTED (days) (inches) (sq.in.) 2 1 03/24/2006 7 6 00 28.26 2 2 04/14/2006 28 6 00 28.26 2 3 04/14/2006 28 6 00 28 26 8908 Ambassador Row, Dallas, TX 75241 2696 Gravel Drive, Fort Worth, TX 76118 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630 -9745 CONCRETE COMPRESSIVE STRENGTH TEST Report No.: Project No.: Date of Service: Report Date: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 LD.: 946 PLACEMENT DAIE. 03/17/2006 WEATHER CONDITIONS: Clear T IME SAMPLED: 4.20am BATCH TIME: NA TEMPERATURE (F) AIR 50 F CONCRETE: 70 F TRUCK NO: 136 TICKET NO: 164521 AIR CONIENT 3 4 UNIT WEIGHT (pci): NA OVERALL PLACEMENT LOCATION: Paving. cast side of Building 14, and west side of Building 15 SAMPLE LOCATION: REPORT OF 'PESTS Concrete Compressive Cylinder 6" x 12" MAXIMUM LOAD (lbs. force) 108390 147280 145220 Average 8' west, 15' south from southeast corner of paving COMPRESSIVE STRENGTH (Psi) 3830 5210 5140 5180 252793 0510795 03/17/2006 04/21/2006 MEASURED SLUMP (inches) 50 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, 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 OISS Page 2 of 6 one Engineering Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd.., Ste 360 Dallas TX 75254 Project: Services: CONIRACTOR: Duke Construction, LP CONCRETE SUPPLIER: Redi Mix PLANT 1 SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days 4" 6" AIR 3% 5% TEST METHOD: CYLINDER MARKED SET NO. 3 1 ASTM C -172 ASTM C -31 ASTM C-143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 except 9 1 2 DATE AGE DIAMETER AREA TESTED (days) (inches) (sq.in.) 03/24/2006 7 6 00 28.26 3 2 04/14/2006 28 6 00 28.26 3 3 04/14/2006 28 6 00 28 26 3 4 Hold Water added at site 5 gallons 8908 Ambassador Row, Dallas, Tx 75247 2696 Gravel Drive, Fort Worth, IX 76118 7701 W L•ittic York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630.9745 CONCRETE COMPRESSIVE STRENGTH TEST Freeport XIV XV 800 700 W Bethel Road Coppell, Texas Obtain samples of fresh concrete al 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 946 PLACEMENT DATE: 03/17/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 6.20am TEMPERATURE (F) AIR 55 F TRUCK NO: 143 AIR CONIENT 4.0 Report No.: 252793 Project No.: 0510795 Date of Service. 03/17/2006 Report Date: 04/21/2006 BATCH TIME. NA CONCRETE: 70 F TICKET NO: 164536 UNIT WEIGHT (pd NA OVERALL PLACEMENT LOCATION: Paving, east side of Building 14, and west side of Building 15 SAMPLE LOCATION: REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" MAXIMUM LOAD (Ibs„ force) 119310 160420 I61380 Average 20' north, 12' east from southwest corner of paving COMPRESSIVE STRENGTH (Psi) 4220 5670 5710 5690 MEASURED SLUMP (inches) 50 FRACTURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap LiMI IATIONS. 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 0 ISS Page 3 of 6 r -x)ne Engineering 3ai. V5'. Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 CONTRACTOR: CONCRETE SUPPLIE• R: PLANT: Duke Construction, LP Redi Mix 1 SPECIFICATION REQUIREMENTS STRENGTH 4000 psi 28 Days SLUMP (in): 4" 6" AIR 3% 5% TEST MErnoD• ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1 ASTM C-39 accept 9 1 CYLINDER MARKED DATE AGE DIAMETER AREA SET NO- TESIED (days) (inches) (sq..in.) 4 1 03/24/2006 7 6 00 28 26 4 2 04/14/2006 28 6 00 .2816 4 3 04/14/2006 28 6 00 28.26 4 4 Hold 8908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, Fort Worth, TX 76118 770E W Little York, Ste 600, Houston, IX 77040 Corporals Phone: (214) 630 -9745 CONCRETE COMPRESSIVE STRENGTH TEST SAMPLE LOCATION: REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" MAXIMUM L OAD (lbs. force) 109640 148540 158680 Average Report No.: Project No.: Date of Service: Report Date: Project: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 PROJECT DATA MIX DESIGN I.D.,: 946 PLACEMENT DATE: 03/17/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 7 15am BATCH TIME. NA TEMPERATURE (F).. Am 55 F CONCRETE: 70 F TRUCK NO: 238 T ICKE T NO: 164547 AIR CONTENT 3 8 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Paving, east side of Building 14, and west side of Building 15 30' south, 10' west from northeast corner of paving COMPRESSIVE STRENGTH (psi) 3880 5250 5610 5430 252793 0510795 03/17/2006 04/21/2006 MEASURED SLUMP (inches) 40 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, 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 11SS Page 4 of 6 Client: Dulce Construction LP Mr Bruce Barclay 5495 Belt Line Rd., Ste 360 Dallas TX 75254 Project: Services: CONTRACTOR: Duke Construction, LP CONCRETE SUPPLIER: Redi Mix PLANT: 1 SPECIFICATION REQUIREMENTS STRENGIH: SI -UMP (in): AIR TEST METHOD: CYLINDER MARKED SET NO. 5 1 5 2 5 3 ngine Tin 5 4 Hold 4000 psi 28 Days A" 6" 3% 5% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 DAIE AGE TESTED (days) 03/24/2006 7 04/14/2006 28 04/14/2006 28 elect,' 9 1 2 Water added at site 5 gallons 8908 Ambassador Row, Dallas, [X 75247 2696 Gravel Drive, Fort Worth, TX 76118 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630 -9745 CONCRETE COMPRESSIVE STRENGTH TEST SAMPLE LOCATION: REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" DIAMETER (inches) 6 00 6 00 6 00 MAXIMUM AREA LOAD (sq.in.) (lbs. force) 28.26 95450 28 26 161270 28 26 149820 Average Report No,: Project No,: Date of Service: Report Date: COMPRESSIVE STRENGIH (Psi) 3380 5700 5300 5500 252793 0510795 03/17/2006 04/21/2006 Freeport XIV XV 800 700 W Bethel Road Copped, Texas 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 946 PLACEMENT DATE: 03/17/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 7 45am BAICH TIME: NA TEMPERATURE (F) -AIR 55 F CONCRETE: 70 F TRUCK NO: 230 rICKET NO 164554 AIR CONTENT 4 0 UNIT WEIGHT (pet): NA OVERALL PLACEMENT LOCATION Paving, cast side of Building 14, and west side of Building 15 25' south, 7' east from northwest corner of paving MEASURED SLUMP (inches) 50 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, 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 )1SS Page 5 of 6 Ong ineering Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas IX 75254 Project: Services: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 Construction, LP CONCRETE SUPPLIER: Redi Mix PLANT 1 SPECIFICAIION REQUIREMENTS STRENGIH: SLUMP (in): AIR TEST METHOD: 6 4 Hold Technician: Jimmy Hall Report Distribution. {1) Duke Construction LP (I) Exiranet (1) Pond, Robinson Associates 4000 psi 28 Days 4 -6" 3% 5% ASTM C -172 ASTM C -31 ASTM C -14.3 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 except 9 1 CONCRETE COMPRESSIVE STRENGTH TEST PROJECT DATA REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" CYLINDER MARKED DATE AGE DIAMETER AREA SET NO TESTED (days) (inches) (sq.in.) 6 1 03/24/2006 7 6 00 28.26 6 2 04/14/2006 28 6 00 28.26 6 3 04/14/2006 28 6 00 28.26 Started: 1 15am 5908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, Fort Worth, 1 x 76118 7701 W Little York, Ste 600, Houston, ix 77040 Corporals Phone: (214) 630 -9745 Report No.: Project No.: Date of Service: Report Date: MIX DESIGN I.D.: 946 PLACEMENI DATE: 03/17/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 10'00am BATCH TIME: NA TEMPERATURE(F) AIR 54 F CONCRETE: 70 F TRUCK NO: 277 TICKET NO: 164576 AIR CONTENT 4.2 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Paving, cast side of Building 14, and west side of Building 15 SAMPLE LOCATION: 7' south, 12' west from northeast corner of paving Finished: 12.00pm MAXIMUM LOAD (Ibs. force) 95930 131700 123220 Average COMPRESSIVE STRENGTH (psi) 252793 0510795 03/17/2006 04/21/2006 Scott Watson, AET CMT Operations Manager MEASURED SLUMP (inches) 50 FRACTURE TYPE 3390 Unbonded Cap 4660 Unbonded Cap 4360 Unbonded Cap 4510 LIMITA rloNs. 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 ofRone Engineering Services, Ltd ■iSS Page 6 of 6 5 e En sneering Project: Services: 1 4 Hold Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 Freeport XIV XV 800 700 W Bethel Road Coppell, Texas 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.: 946 PLACEMENT DATE: 03/14/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 2.20am BATCH TIME: NA TEMPERATURE (F) AIR 50 F CONCRETE: 68 F TRUCK NO: 126 TICKET NO: 164239 AIR CONTENT 3.2 UNIT WEIGHI (pci): NA OVERALL PLACEMENT LOCATION Paving south side of Building 15 CONTRACTOR. Duke Construction, LP CONCRETE SUPPLIER: Redi Mix PLANr 1 SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 4" 6" AIR 3% 5% TEST METHOD: ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 excep' 9 1 2 CONCRETE COMPRESSIVE STRENGTH TEST REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" CYLINDER MARKED DATE AGE DIAMETER AREA SET NO TESTED (days) (inches) (sq.in.) 1 1 03/21/2006 7 6 00 28.26 1 2 04/11/2006 28 6 00 28 26 1 3 04/11/2006 28 6 00 MAXIMUM LOAD (lbs. force) 126840 170500 171640 Average 3908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, fort Worth, IX 76118 7701 W Little York, Ste 600, Houston, IX 77040 Corporate Phone: (214) 630 -9745 Report No.. Project No.• Date of Service: Report Date: COMPRESSIVE STRENGTH (psi) 25.2568 0510795 03/14/2006 04/21/2006 SAMPLE LOCATION: 15' west, 10' south from northeast corner of paving 4490 6030 6070 6050 MEASURED SLUMP (inches) 40 FRACTURE IYPE 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, 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 CO whom they are addressed and shall not be ape reproduced 1 of 4 except in full without the written approval of Rone Engineering Services, Ltd 01SS 1 4 Hold Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 Services: ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 Project: Freeport XIV R. XV 800 700 W Bethel Road Coppell, Texas 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 946 PLACEMENT DATE: 03/15/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 4.10am BATCH TIME: NA TEMPERATURE (F) AIR 50 F CONCRETE: 65 F TRUCK. NO: 143 TICKET NO: 164343 AIR CONTENT 4 0 UNIT WEIGHT (pcf): NA OVERALL PLACEMENT LOCATION: Paving east side of Building 15 CONTRACTOR: Duke Construction, LP CONCRETE SUPPLIER: Redi Mix PLANT 1 SPECIFICATION REQUIREMENTS STRENGTH: 4000 psi 28 Days SLUMP (in): 4 -6" AIR 3% 5% TESI METHOD: except 9 1 2 CONCRETE COMPRESSIVE STRENGTH TEST REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" MARKED DATE AGE DIAMETER AREA SET NO. TESTED (days) (inches) (sq.in.) 1 1 03/22/2006 7 6 00 28.26 1 2 04/12/2006 28 6 00 28.26 1 3 04/12/2006 28 6 00 28.26 SAMPLE LOCATION: 8' north, 4' west from southeast side of curve MAXIMUM LOAD (lbs. force) 109660 153440 146930 Average 8908 Ambassador Row, Dallas, IX 75217 2696 Gravel Drive, Fort Worth, IX 76118 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630 -9745 Report No.: Project No.: Date of Service: Report Date: COMPRESSIVE SIRENGTH (psi) 252644 0510795 03/15 /2006 04/21/2006 3880 5430 5200 5320 MEASURED SLUMP (inches) 50 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, 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 trey are addressed and shall not be d reproduced 3 except in full without the written approval of Rom Engineering Services, Ltd OISS Dne Engineering Client: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas TX 75254 Project: Freeport XIV XV 800 700 W Bethel Road Coppell, Texas Services Obtain sarnples 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 LD-: 946 PLACEMENT DATE: 03/15/2006 WEATHER CONDITIONS: Clear TIME SAMPLED: 6 15ain BATCH TIME: NA TEMPERATURE (T) AIR 50 F CONCRETE: 70 F TRUCK NO: 143 TICKET NO: 164354 AIR CONTENI 4.2 UNIT WEIGHT (pet): NA OVERALL PLACEMENT LOCATION: Paving cast side of Building 15 CONTRACTOR: Dulce Construction, LP CONCRETE SUPPLIER: Redi Mix PLANT: 1 SPECIFICATION REQUIREMENTS STRENGTH 4000 psi 28 Days SLUMP (in): 4" 6" AIR 3% 5% TEST METHOD: CYLINDER MARLED SET NO 2 1 2 2 2 3 2 4 Hold ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 except 9 12 Water added at site 10 gallons CONCRETE COMPRESSIVE STRENGTH TEST REPORT OF TESTS Concrete Compressive Cylinder 6" x 12" DATE AGE DIAMETER AREA TESTED (days) (inches) (sq .in.) 03/22/2006 7 6 00 28.26 04/12/2006 28 6 00 28.26 04/12/2006 28 6 00 28.26 MAXIMUM LOAD (lbs- force) 102680 135340 135000 Average 8908 .Ambassador Row, Dallas, TX 15247 2696 Gravel Drive, Port Worth, TX 7611a 7701 W Little York, Ste 600, Houston, TX 77040 Corporate Phone: (214) 630-9745 Report No.: Project No Date of Service: Report Date: 252644 0510795 03/15/2006 04/21/2006 SAMPLE LOCATION: 100' north, 3' west from southeast side of curve COMPRESSIVE STRENGTH (Psi) 3630 4790 4770 4780 MEASURED SLUMP (inches) 60 FRACIURE TYPE Unbonded Cap Unbonded Cap Unbonded Cap LIMITATIONS. The lest results presented herein were prepared based upon the specific samples provided for testing We assume no responsibility for variation in quality arc for (composition, e exclusive u se of the clients any o whom the are addressed and shall a not provided e reproduced except in full without the n approval of Ronc Engineering Services, Ltd Page 2 of 3 OISS Ron Engineering CIient: Duke Construction LP Mr Bruce Barclay 5495 Belt Line Rd Ste 360 Dallas IX 75254 Project: Services: CONTRACTOR: Duke Construction, LP CONCRETE SUPPLIER. Redi Mix PLANT SPECIFICATION REQUIREMENTS STRENGTH: SLUMP (in): AIR TEST METT -OD: 3 4 Hold Technician Jimmy Hall Report Distribution: (1) Duke Construction LP (1) Extranet (1) Pond, Robinson Associates 4000 psi 28 Days 4" 6" 3 -5% ASTM C -172 ASTM C -31 ASTM C -143 ASTM C -231 ASTM C -1064 ASTM C -1231 ASTM C -39 uccpt 4 1 2 CONCRETE COMPRESSIVE STRENGTH TEST rr eeport XIV XV 800 700 W Bethel Road Coppell, Texas 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 T.D.: 946 PLACEMENT DATE: 03/15/2006 WEATHER CONDITIONS: Clear IIME SAMPLED 8 1 5am BATCH TIME: NA TEMPERATURE (F) AIR 52 F CONCRETE: 70 F TICKET NO: 164370 UNIT WEIGHT (pct): NA TRUCK NO: 301 AIR CONTENT 3 6 OVERALL PLACEMENT LOCATION: Paving cast side of Building 15 REPORT OF TESTS Concrete Compressive Cylinder 6" x I2" CYLINDER MARKED DATE AGE DIAMETER AREA SET NO. TESTED (days) (inches) (sq,in.) 3 1 03/22/2006 7 6 00 28.26 3 2 04/12/2006 28 6.00 28 26 3 3 04/12/2006 28 6 00 2826 Started 3 15am SAMPLE LOCATION: 40' south, 10' west from northeast comer of paving Finished: 10:30am MAXIMUM LOAD (lbs. force) 100450 152680 155350 Average 8908 Ambassador Row, Dallas, TX 75247 2696 Gravel Drive, Fort Worth, TX 76118 7701 W Little York, Ste G00, Houston, TX 77040 Corporate Phone: (214)630-9745 Report No..: Project No.: Date of Service: Report Date: COMPRESSIVE STRENGTH (psi) 3550 252644 05I0795 03/15/2006 04/21/2006 5400 5490 5450 Scott Watson, AET CMT Operations Manager MEASURED SLUMP (inches) 40 FRACTURE TY PE 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, 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 OISS Page 3 of 3