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Security Fire Systems-LR170630
2424 STUTZ DR. SUITE 400 DALLAS, TX 75235 TEL [214] 350 5600 FAX [214] 350 0019 CONCRETE CYLINDER TEST REPORT Security Fire Systems 196 S. Freeport Parkway Coppell, Texas REPORTED TO: Security Fire Systems, Inc. 196 Freeport Parkway Coppell, Texas 75019 ATTN: Mr. Mike Alexander REPORT NO. 40 REG PROJECT NO. 21753 SAMPLE DATE: 06-30-17 TECHNICIAN: D. Decuir PAGE: 1 of 2 CONTRACTOR: Trest Construction Location of Sample Set Number Location Quantity Represented (c.y.) 1 Slab: A.3-1.4 28.5/256 2 Slab: C.4-1.8 171/256 3 Slab: E.6-3.7 256/256 Design Information Source of Concrete Mix Identification Specified Strength (psi) LMC 1600 4000 Test Results Set No. Cylinder ID Date Tested Age @ Test Total Load (lbs.) Compressive Strength (psi) Average Strength (psi) 1 2701 07-07-17 7 59970 4770 2701 07-28-17 28 82550 6570 2701 07-28-17 28 74170 5900 2701 07-28-17 28 77130 6140 6200 2701 Hold H 2 2702 07-07-17 7 53270 4240 2702 07-28-17 28 79830 6350 2702 07-28-17 28 72280 5750 2702 07-28-17 28 51680 4110 5400 2702 Hold H 3 2703 07-07-17 7 44610 3550 2703 07-28-17 28 61760 4920 2703 07-28-17 28 57330 4560 2703 07-28-17 28 60870 4840 4770 2703 Hold H REPORT NO. 40 REG PROJECT NO. 21753 SAMPLE DATE: 06-30-17 PAGE: 2 of 2 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 2701 5.5 8:01 AM 83 80 1.7 146.1 76840711 2 2702 5.5 10:49 AM 86 91 1.6 146.2 64436997 3 2703 5.75 11:53 AM 87 95 1.6 146.6 63017343 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) Security Fire Systems, Inc./ Mr. Mike Alexander (1) GPF Architects, LLC/Mr. Greg Frnka (1) Trest Construction/Mr. Gilbert Trevino (1) City of Coppell/Mr. Matthew Mabry (1) Trest Construction/ Mr. Clement Wang (1) Trest Construction/Mr. Eric Larsen Submitted by: REED ENGINEERING GROUP, LTD. Registration Number F-3114 Cary Tipps Project Manager, CMT CT/cn