Gateway BP(3.1)-LR080102
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.: 303891
Project No.: 0712786
Date of Service: 11/01/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
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
Measured
Slump
(inches)
4.75
Mix Design 1.0.: 23601524
Placement Date: 11/01/2007
Weather Conditions: Calm, clear
Time Sampled: 04:00am Batch time: 02:33am
Temperature - Air: 500F Concrete: 740F
Truck No: 1067 Ticket No: 88055996
Air Content: 2.8% Unit Weight (pet): NA
Overall Placement Location:
Paving - south side of building 2 from 5'-160' south, 0'-220' east from southwest
corner, east side of (continue)
Sample Location:
20' south, 20' east from southwest corner 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 11/08/2007 7 6.00 28.27 67,640 2,390 Shear
1 2 11/29/2007 28 6.00 28.27 109,150 3,860 Cone/Split
1 3 11/29/2007 28 6.00 28.27 111 ,080 3,930 Cone/Split
Average 3,890
4 12/27/2007 56 6.00 28.27 127,170 4,500 Cone/Split
Remarks: building 2 from 0'-150' north, 5'-50' east from southeast corner
Batch plant notified about air test results
L1MITA 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/KW) Page 1 of 6
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.: 303891
Project No.: 0712786
Date of Service: 11/01/2007
Report Date: 01/02/2008
Project: Gateway Business Center
Cappell, 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: Redi Mix
Plant: 88
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
Measured
Slump
(inches)
5.0
Mix Design I.D.: 23601524
Placement Date: 11/01/2007
Weather Conditions: Calm, clear
Time Sampled: 06:08am Batch time: 05:21am
Temperature - Air: 520F Concrete: 740F
Truck No: 1245 Ticket No: 88056010
Air Content: 5.5% Unit Weight (pct): NA
Overall Placement Location:
Paving - south side of building 2 from 5'-160' south, 0'-220' east from southwest
corner, east side of (continue)
Sample Location:
110' south, 100' esat from southwest corner 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
2 1 11/08/2007 7 6.00 28.27 69,660 2,460 Shear
2 2 11/29/2007 28 6.00 28.27 124,150 4,390 Cone/Split
2 3 11/29/2007 28 6.00 28.27 120,010 4,240 Cone/Split
Average 4,320
2 4 12/27/2007 56 6.00 28.27 132,810 4,700 Cone/Split
Remarks: building 2 from 0'-150' north, 5'-50' east from southeast corner
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.
(CH/KW) Page 2 of 6
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.: 303891
Project No.: 0712786
Date of Service: 11/01/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
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
Measured
Slump
(inches)
4.5
Mix Design 1.0.: 23601524
Placement Date: 11/01/2007
Weather Conditions: Calm, clear
Time Sampled: 07:09am Batch time: 06:29am
Temperature - Air: 470F Concrete: 720F
Truck No: 1090 Ticket No: 88056021
Air Content: 3.8% Unit Weight (pct): NA
Overall Placement Location:
Paving - south side of building 2 from 5'-160' south, 0'-220' east from southwest
corner, east side of (continue)
Sample Location:
90' south, 30' east from southeast corner 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
3 1 11/08/2007 7 6.00 28.27 81,330 2,880 Cone/Split
3 2 11/29/2007 28 6.00 28.27 116,170 4,110 Cone/Split
3 3 11/29/2007 28 6.00 28.27 114,310 4,040 Cone/Split
Average 4,080
3 4 12/27/2007 56 6.00 28.27 134,040 4,740 Cone/Split
Remarks: building 2 from 0'-150' north, 5'-50' east from southeast corner
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/KW) Page 3 of 6
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.: 303891
Project No.: 0712786
Date of Service: 11/01/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
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
Measured
Slump
(inches)
4.0
Mix Design I.D.: 23601524
Placement Date: 11/01/2007
Weather Conditions: Calm, clear
Time Sampled: 08:48am Batch time: 07:54am
Temperature - Air: 510F Concrete: 740F
Truck No: 1337 Ticket No: 88056034
Air Content: 3.1 % Unit Weight (pcf): NA
Overall Placement Location:
Paving - south side of building 2 from 5'-160' south, 0'-220' east from southwest
corner, east side of (continue)
Sample Location:
30' south, 40' east from southeast corner 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
4 1 11/08/2007 7 6.00 28.27 103,010 3,640 Cone/Split
4 2 11/29/2007 28 6.00 28.27 130,390 4,610 Cone/Split
4 3 11/29/2007 28 6.00 28.27 137,240 4,850 Cone/Split
Average 4,730
4 4 12/27/2007 56 6.00 28.27 151,890 5,370 Cone/Split
Remarks: building 2 from 0'-150' north, 5'-50' east from southeast corner
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/KW) Page 4 of 6
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.: 303891
Project No.: 0712786
Date ot Service: 11/01/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
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
Measured
Slump
(inches)
4.5
Mix Design 1.0.: 23601524
Placement Date: 11/01/2007
Weather Conditions: Calm, clear
Time Sampled: 10:36am Batch time: 09:15am
Temperature - Air: 580F Concrete: 740F
Truck No: 1245 Ticket No: 88056051
Air Content: 4.6% Unit Weight (pet): NA
Overall Placement Location:
Paving - south side of building 2 from 5'-160' south, 0'-220' east from southwest
corner, east side of (continue)
Sample Location:
70' north, 30' east from southeast corner 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
5 1 11/08/2007 7 6.00 28.27 71 ,740 2,540 Shear
5 2 11/29/2007 28 6.00 28.27 124,210 4,390 Cone/Split
5 3 11/29/2007 28 6.00 28.27 122,420 4,330 Cone/Split
Average 4,360
5 4 12/27/2007 56 6.00 28.27 133,210 4,710 Cone/Split
Remarks: building 2 from 0'-150' north, 5'-50' east from southeast corner Water added at site: 30 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.
(CH/KW) Page 5 of 6
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.: 308634
Project No.: 0712786
Date of Service: 12/20/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 135
Specification Requirements
Strength: 3,000 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
Batch time: 07:43am
Concrete: 580F
Ticket No: 13559813
Unit Weight (pet): NA
Measured
Slump
(inches)
4.75
Mix Design 1.0.: 330j1504
Placement Date: 12/20/2007
Weather Conditions: Cloudy
Time Sampled: 08:42am
Temperature - Air: 550F
Truck No: 1247
Air Content: 3.6%
Overall Placement Location:
Sidewalk, ramps - paving repair at various locations surrounding buildings 1 and 2
Concrete Compressive Cylinder 6" x 12"
Maximum
Load
(Ibs)
96,490
Area
(in')
28.27
Type 6
Sample Location:
Pavement repair behind building #1 at front parking 48' north, 6' east from southeast
corner of building #1
REPORT OF TESTS
Compressive
Strength
(psi)
3,410
Fracture
Type
Type2
Cylinder
Marked Date
Set No. Tested
1 1 12/27/2007
1 2 01/17/2008
1 3 01/17/2008
1 4 02/14/2008
Age
(days)
7
Diameter
(in)
6.00
28
28
56
t8][3 ~~ 5J] E;] DO D
Type 1
Type 2 Type 3 Type 4
Type 5
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/KW) 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.: 304062
Project No.: 0712786
Date of Service: 11/02/2007
Report Date: 01/02/2008
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
REPORT OF TESTS
Concrete Compressive Cylinder 6" x 12"
Cylinder Maximum Compressive
Marked Date Age Diameter Area Load Strength
Set No. Tested (days) (in) (in') (Ibs) (psi)
1 1 11/09/2007 7 6.00 28.27 71,700 2,540
2 11/30/2007 28 6.00 28.27 100,570 3,560
3 11/30/2007 28 6.00 28.27 94,070 3,330
Average 3,440 *
4 12/28/2007 56 6.00 28.27 122,220 4,320
Contractor: Constructors & Associates
Concrete Supplier: Redi Mix
Plant: 88
Specification Req uirements
Strength: 3,600 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 4% - 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 1.0.: 23601524
Placement Date: 11/02/2007
Weather Conditions: Cloudy
Time Sampled: 04:30am
Temperature - Air: 600F
Truck No: 1070
Air Content: 2.5%
Overall Placement Location:
Fire lane and park paving on north side of building 2
Measured
Slump
(inches)
8.0
Batch time: 04:09am
Concrete: 710F
Ticket No: 88056117
Unit Weight (pet): NA
Sample Location:
45' west, 40' north from northwest corner of building 2
Fracture
Type
Cone/Split
Cone/Split
Cone/Split
Cone/Split
* Does not comply with specified strength
Remarks: Water added at site: 15 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.
(CH/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.: 304062
Project No.: 0712786
Date of Service: 11/02/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 4% - 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.: 23601524
Placement Date: 11/02/2007
Weather Conditions: Cloudy
Time Sampled: 05:30am
Temperature - Air: 650F
Truck No: 1382
Air Content: 3.0%
Overall Placement Location:
Fire lane and park paving on north side of building 2
Measured
Slump
(inches)
8.0
Batch time: 04:37am
Concrete: 710F
Ticket No: 88056125
Unit Weight (pet): NA
Sample Location:
20' north, 55' east from corner 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) (in2) (Ibs) (psi) Type
2 1 11/09/2007 7 6.00 28.27 62,860 2,220 Shear
2 2 11/30/2007 28 6.00 28.27 91,700 3,240 Cone/Shear
2 3 11/30/2007 28 6.00 28.27 97,270 3,440 Cone/Split
Average 3,340 *
2 4 12/28/2007 56 6.00 28.27 120,080 4,250 Cone/Split
* Does not comply with specified strength
Remarks: Water added at site: 15 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.
(CH/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.: 304062
Project No.: 0712786
Date of Service: 11/02/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
Specification Requirements
Strength: 3,600 psi @ 28 days
Slump (in.): 3" - 5"
Air (%): 4% - 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.: 23601524
Placement Date: 11/02/2007
Weather Conditions: Cloudy
Time Sampled: 08:00am
Temperature - Air: 650F
Truck No: 1206
Air Content: 4.2%
Overall Placement Location:
Fire lane and park paving on north side of building 2
Measured
Slump
(inches)
8.5
Batch time: 06:27am
Concrete: 71~F
Ticket No: 88056137
Unit Weight (pet): NA
Sample Location:
25' north, 5' west from corner 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
3 1 11/09/2007 7 6.00 28.27 58,830 2,080 Shear
3 2 11/30/2007 28 6.00 28.27 93,610 3,310 Cone/Split
3 3 11/30/2007 28 6.00 28.27 96,250 3,400 Cone/Split
Average 3,360 *
3 4 12/28/2007 56 6.00 28.27 115,520 4,090 Cone/Split
* Does not comply with specified strength
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.
(CH/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.: 304062
Project No.: 0712786
Date of Service: 11/02/2007
Report Date: 01/02/2008
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: Redi Mix
Plant: 88
Specification Requirements
Strength: 3,600 psi @28 days
Slump (in.): 3" - 5"
Air (%): 4% - 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.: 23601524
Placement Date: 11/02/2007
Weather Conditions: Cloudy
Time Sampled: 09:30am
Temperature - Air: 650F
Truck No: 1070
Air Content: 3.9%
Overall Placement Location:
Fire lane and park paving on north side of building 2
Measured
Slump
(inches)
8.0
Batch time: 07:49am
Concrete: 710F
Ticket No: 88056146
Unit Weight (pet): NA
Sample Location:
35' east, 20' north from southeast building corner
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 11/09/2007 7 6.00 28.27 71 ,400 2,530 Shear
4 2 11/30/2007 28 6.00 28.27 95,600 3,380 Shear
4 3 11/30/2007 28 6.00 28.27 99,510 3,520 Cone/Shear
Average 3,450 *
4 4 12/28/2007 56 6.00 28.27 120,410 4,260 Cone/Split
* 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.
(CH/KW) Page 4 of 5