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Northlake 635(5)-LR111021 REEL1 I EI IGIr IEERII - IG GEOTECHNICAL AND G R O LJ P ENVIRONMENTAL CONSULTANTS CONCRETE CYLINDER TEST REPORT Lakeshore Paving Addition Lakeshore Drive and Crestside Drive Coppell, Texas REPORTED TO: Mobley -Speed REPORT NO. 4 4699 Production Drive REG PROJECT NO. 17715 Dallas, Texas 75235 SAMPLE DATE: 09 -23 -11 ATTN: Mr. David Rupley TECHNICIAN: R. Hollings PAGE: 1 of 2 Location of Sample Set Number Location 1 Quantity Represented (c.y.) 1 Paving: 85'S, 30'E from S.W. corner of Crestside 30/690 Drive at Lakeshore Drive 2 Paving: 120'S, 95'E from S.W. corner of Crestside 110/690 Drive at Lakeshore Drive 3 Paving: 180'S, 155'E from S.W. corner of Crestside 220/690 Drive at Lakeshore Drive 4 Paving: 90'S, 190'E from S.W. corner of Crestside 330/690 Drive at Lakeshore Drive 5 Paving: 135'S, 220'E from S.W. corner of Crestside 400/690 Drive at Lakeshore Drive 6 Paving: 180'S, 295'E from S.W. corner of Crestside 510/690 Drive at Lakeshore Drive 7 Paving: 105'S, 370'E from S.W. corner of Crestside 600/690 Drive at Lakeshore Drive Design Information Source of Concrete 1 Mix Identification 1 Specified Strength (psi) TXI 8205 3600 Test Results Set Cylinder Age @ Total Load Compressive Average Strength No. ID Date Tested Test (Ibs.) Strength (psi) (psi) 1 5738 09 -30 -11 7 72910 5800 5738 10 -21 -11 28 72980 5810 5738 10 -21 -11 28 71740 5710 5760 5738 Hold H 2 5739 09 -30 -11 7 56370 4490 5739 10 -21 -11 28 71020 5650 5739 10 -21 -11 28 70200 5590 5620 5739 Hold H 3 5740 09 -30 -11 7 62840 5000 5740 10 -21 -11 28 81750 6510 5740 10 -21 -11 28 77190 6140 6330 5740 Hold H 2424 STUTZ DR. • SUITE 400 • DALLAS, TX 75235 • TEL [214] 350 5600 • FAX [214] 350 0019 REPORT NO. 4 REG PROJECT NO. 17715 SAMPLE DATE: 09 - 23 - 11 PAGE: 2 of 2 Test Results Set Cylinder Age @ Total Load Compressive Average Strength No. ID Date Tested Test (Ibs.) Strength (psi) (psi) 4 5741 09 -30 -11 7 62430 4970 5741 10 -21 -11 28 67510 5370 5741 10 -21 -11 28 77310 6150 5760 5741 Hold H 5 5742 09 -30 -11 7 64910 5160 5742 10 -21 -11 28 69950 5570 5742 10 -21 -11 28 62910 5010 5290 5742 Hold H 6 5743 09 -30 -11 7 76000 6050 5743 10 -21 -11 28 79820 6350 5743 10 -21 -11 28 78810 6270 6310 5743 Hold H 7 5744 09 -30 -11 7 67150 5340 5744 10 -21 -11 28 70620 5620 5744 10 -21 -11 28 70850 5640 5630 5744 Hold H Cylinder Data Air Concrete Air Unit Set Cylinder Slump Time of Temp. Temp. Entrainment Weight Ticket No. ID (inches) Sample ( °F) ( °F) ( %) (lbs/ft _ Number 1 5738 4.0 1:15 AM 64 70 4.0 144.8 1232715 2 5739 5.0 2:05 AM 64 72 4.2 145.2 1232729 3 5740 4.5 3:15 AM 64 76 3.7 144.7 1232745 4 5741 5.0 5:10 AM 62 78 3.5 144.9 1232764 5 5742 5.0 6:10 AM 64 78 4.0 145.1 1232789 6 5743 4.0 6:55 AM 64 82 3.7 144.8 1232832 7 5744 5.0 8:30 AM 68 86 4.3 144.4 1232900 Note: (1) Concrete was sampled in accordance with ASTM C -31 (2) Concrete cylinders were tested in accordance with ASTM C -39 Mail Submitted by: Distribution: (1) Mobley- Speed /Mr. David Rupley REED ENGINEERING GROUP, LTD. E -Mail Registration Number F -3114 Distribution: (1) Mobley- Speed /Mr. David Rupley /51.•;t h Bill Woolwine Sr. Manager, CMT BW /cn