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Coppell Ind 2- LR150807 (2) 2424 STUTZ DR.  SUITE 400  DALLAS, TX 75235  TEL [214] 350 5600  FAX [214] 350 0019 CONCRETE CYLINDER TEST REPORT Tradepoint Business Park Building 1B Expansion 980 W. Bethel Road Coppell, Texas REPORTED TO: Hillwood Investment Properties 3090 Olive Street, Suite 300 Dallas, Texas 75219 ATTN: Mr. Mike Jones REPORT NO. 79 REG PROJECT NO. 20346 SAMPLE DATE: 08-07-15 TECHNICIAN: S. Adams PAGE: 1 of 3 CONTRACTOR: Hillwood Construction Services Location of Sample Set Number Location Quantity Represented (c.y.) 1 Slab: A.3-8.1 10/680 2 Slab: B.3-9 120/680 3 Slab: A.7-10.1 210/680 4 Slab: A.5-10.7 310/680 5 Slab: A.2-11.6 420/680 6 Slab: B.6-12.3 500/680 7 Slab: A.7-13.6 600/680 Design Information Source of Concrete Mix Identification Specified Strength (psi) Argos 1060 4000 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 1 8153 08-14-15 7 75550 6010 8153 09-04-15 28 82020 6530 8153 09-04-15 28 85680 6820 8153 09-04-15 28 82470 6560 6640 8153 Hold H 2 8154 08-14-15 7 71700 5700 8154 09-04-15 28 83900 6680 8154 09-04-15 28 83690 6660 8154 09-04-15 28 84660 6740 6690 8154 Hold H 3 8155 08-14-15 7 60430 4810 8155 09-04-15 28 70360 5600 8155 09-04-15 28 74180 5900 8155 09-04-15 28 71840 5720 5740 8155 Hold H REPORT NO. 79 REG PROJECT NO. 20346 SAMPLE DATE: 08-07-15 PAGE: 2 of 3 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 4 8156 08-14-15 7 61740 4910 8156 09-04-15 28 76290 6070 8156 09-04-15 28 74490 5930 8156 09-04-15 28 70270 5590 5860 8156 Hold H 5 8157 08-14-15 7 55750 4440 8157 09-04-15 28 76470 6090 8157 09-04-15 28 75820 6030 8157 09-04-15 28 74750 5950 6020 8157 Hold H 6 8158 08-14-15 7 50730 4040 8158 09-04-15 28 63970 5090 8158 09-04-15 28 63310 5040 8158 09-04-15 28 64960 5170 5100 8158 Hold H 7 8159 08-14-15 7 50340 4010 8159 09-04-15 28 63050 5020 8159 09-04-15 28 62960 5010 8159 09-04-15 28 62370 4960 5000 8159 Hold H Cylinder Data Set No. Cylinder ID Slump (inches) Time of Sample Air Temp. (°F) Concrete Temp. (°F) Air Entrainment (%) Unit Weight (lbs/ft3) Ticket Number 1 8153 4.5 2:15 AM 91 91 1.9 146.6 1663084 2 8154 5.0 3:30 AM 90 92 1.5 146.1 1663114 3 8155 5.5 4:30 AM 89 90 2.1 148.9 1663180 4 8156 5.25 5:40 AM 89 91 1.4 146.7 1663203 5 8157 4.75 7:15 AM 88 91 2.2 147.6 1663250 6 8158 4.75 8:35 AM 89 93 1.7 146.9 1663258 7 8159 5.0 10:45 AM 91 93 1.3 147.6 1663514 Note: (1) Concrete was sampled in accordance with ASTM C-31 (2) Concrete cylinders were tested in accordance with ASTM C-39 REPORT NO. 79 EG PROJECT NO. 20346 SAMPLE DATE: 08-07-15 PAGE: 3 of 3 E-Mail Distribution: (1) Hillwood Investment Properties/ Mr. Mike Jones (1) Hillwood Investment Properties/ Ms. Sandy Carroll (1) Hillwood Construction Services/ Mr. David Grayson (1) Hillwood Construction Services/ Mr. Tom McConnell (1) City of Coppell/Mr. O’Dell Submitted by: REED ENGINEERING GROUP, LTD. Registration Number F-3114 Bill Woolwine Sr. Manager, CMT CT/cn