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Coppell Ind 2- LR150610 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. 42 REG PROJECT NO. 20346 SAMPLE DATE: 06-10-15 TECHNICIAN: B. Grant PAGE: 1 of 2 CONTRACTOR: Hillwood Construction Services Location of Sample Set Number Location Quantity Represented (c.y.) 1 Slab: G.5-7.7 30/600 2 Slab: H.4-6.8 170/600 3 Slab: H-6 270/600 4 Slab: H.4-4.9 360/600 5 Slab: G.5-3.5 480/600 6 Slab: H.2-1.9 550/600 Design Information Source of Concrete Mix Identification Specified Strength (psi) Argos 1060PPU 4000 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 1 5879 06-17-15 7 58490 4650 5879 07-08-15 28 74610 5940 5879 07-08-15 28 77140 6140 5879 07-08-15 28 78400 6240 6110 5879 Hold H 2 5880 06-17-15 7 58040 4620 5880 07-08-15 28 64650 5150 5880 07-08-15 28 72030 5730 5880 07-08-15 28 72810 5790 5560 5880 Hold H 3 5881 06-17-15 7 55210 4390 5881 07-08-15 28 70000 5570 5881 07-08-15 28 62570 4980 5881 07-08-15 28 69290 5510 5350 5881 Hold H REPORT NO. 42 REG PROJECT NO. 20346 SAMPLE DATE: 06-10-15 PAGE: 2 of 2 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 4 5882 06-17-15 7 55760 4440 5882 07-08-15 28 67260 5350 5882 07-08-15 28 70620 5620 5882 07-08-15 28 70230 5590 5520 5882 Hold H 5 5883 06-17-15 7 53000 4220 5883 07-08-15 28 64720 5150 5883 07-08-15 28 61360 4880 5883 07-08-15 28 62780 5000 5010 5883 Hold H 6 5884 06-17-15 7 53970 4290 5884 07-08-15 28 65760 5230 5884 07-08-15 28 67400 5360 5884 07-08-15 28 60450 4810 5130 5884 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 5879 3.0 2:50 AM 76 85 1.8 147.0 N/A 2 5880 3.0 5:00 AM 75 90 1.8 147.2 1625225 3 5881 5.0 6:35 AM 75 89 1.8 147.1 1625268 4 5882 3.75 8:15 AM 79 92 1.5 147.5 1625280 5 5883 4.0 10:10 AM 89 94 1.5 147.7 1625565 6 5884 4.75 11:00 AM 86 95 1.6 147.5 N/A Note: (1) Concrete was sampled in accordance with ASTM C-31 (2) Concrete cylinders were tested in accordance with ASTM C-39 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