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Coppell Ind 2- LR150803 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. 74 REG PROJECT NO. 20346 SAMPLE DATE: 08-03-15 TECHNICIAN: R. Pulcher PAGE: 1 of 2 CONTRACTOR: Hillwood Construction Services Location of Sample Set Number Location Quantity Represented (c.y.) 1 Slab: D-8.5 90/580 2 Slab: E.3-9 130/580 3 Slab: D-10.4 220/580 4 Slab: D-11.2 350/580 5 Slab: D.2-12 410/580 6 Slab: D.9-13.9 580/580 Design Information Source of Concrete Mix Identification Specified Strength (psi) Argos D10001060PPU 4000 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 1 7919 08-10-15 7 58920 4690 7919 08-31-15 28 7919 08-31-15 28 7919 08-31-15 28 7919 Hold H 2 7920 08-10-15 7 61010 4850 7920 08-31-15 28 7920 08-31-15 28 7920 08-31-15 28 7920 Hold H 3 7921 08-10-15 7 64200 5110 7921 08-31-15 28 7921 08-31-15 28 7921 08-31-15 28 7921 Hold H REPORT NO. 74 REG PROJECT NO. 20346 SAMPLE DATE: 08-03-15 PAGE: 2 of 2 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 4 7922 08-10-15 7 57640 4590 7922 08-31-15 28 7922 08-31-15 28 7922 08-31-15 28 7922 Hold H 5 7923 08-10-15 7 64160 5100 7923 08-31-15 28 7923 08-31-15 28 7923 08-31-15 28 7923 Hold H 6 7924 08-10-15 7 62040 4940 7924 08-31-15 28 7924 08-31-15 28 7924 08-31-15 28 7924 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 7919 4.75 3:00 AM 79 93 0.9 148.8 1659406 2 7920 4.75 3:30 AM 79 94 0.9 149.2 1659410 3 7921 4.5 4:15 AM 80 87 1.0 148.4 1659449 4 7922 4.75 5:35 AM 80 88 1.0 149.2 1659503 5 7923 4.5 6:15 AM 81 90 1.1 148.8 1659532 6 7924 4.75 9:20 AM 86 93 1.0 149.2 1659775 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