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Northlake 635(5)-LR111017 R E E L7 E r - 1 1 r i i=4 1 1 G 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. 2 4699 Production Drive REG PROJECT NO. 17715 Dallas, Texas 75235 SAMPLE DATE: 09 -19 -11 ATTN: Mr. David Rupley TECHNICIAN: R. Weathersby PAGE: 1 of 2 Location of Sample Set Number Location 1 Quantity Represented (c.y.) 1 Paving: 155'S, 515'W from S.W. building corner 30/700 2 Paving: 225'S, 410'W from S.E. building corner 130/700 3 Paving: 150'S, 325'W from S.E. building corner 230/800 4 Paving: 210'S, 300'W from S.E. building corner 330/800 5 Paving: 175'S, 250'W from S.E. building corner 430/800 6 Paving: 150'S, 145'W from S.E. building corner 530/800 7 Paving: 160'S, 100'W from S.E. building corner 630/800 8 Paving: 265'S, 85'W from S.E. building corner 730/850 9 Paving: 130'S, 50'W from S.E. building corner 810/850 Design Information Source of Concrete Mix Identification 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 5668 09 -26 -11 7 57960 4610 5668 10 -17 -11 28 72740 5790 5668 10 -17 -11 28 72220 5750 5770 5668 Hold H 2 5669 09 -26 -11 7 48250 3840 5669 10 -17 -11 28 60020 4780 5669 10 -17 -11 28 63290 5040 4910 5669 Hold H 3 5670 09 -26 -11 7 42170 3360 5670 10 -17 -11 28 49700 3960 5670 10 -17 -11 28 57470 4570 4270 5670 Hold H 4 5671 09 -26 -11 7 48110 3830 5671 10 -17 -11 28 59710 4750 5671 10 -17 -11 28 57620 4590 4670 5671 Hold H 2424 STUTZ DR. • SUITE 400 • DALLAS, TX 75235 • TEL [214] 350 5600 • FAX [214] 350 0019 REPORT NO. 2 REG PROJECT NO. 17715 SAMPLE DATE: 09 -19 -11 PAGE: 2 of 2 Test Results Set Cylinder Age @ Total Load Compressive Average Strength No. ID Date Tested Test (Ibs.) Strength (psi) (psi) 5 5672 09 -26 -11 7 49720 3960 5672 10 -17 -11 28 57700 4590 5672 10 -17 -11 28 65350 5200 4900 5672 Hold H 6 5673 09 -26 -11 7 39560 3150 5673 10 -17 -11 28 53330 4240 5673 10 -17 -11 28 60130 4790 4520 5673 Hold H 7 5674 09 -26 -11 7 43100 3430 5674 10 -17 -11 28 51990 4140 5674 10 -17 -11 28 52720 4200 4170 5674 Hold H 8 5675 09 -26 -11 7 40730 3240 5675 10 -17 -11 28 46350 3690 5675 10 -17 -11 28 53990 4300 4000 5675 Hold H 9 5676 09 -26 -11 7 42370 3370 5676 10 -17 -11 28 52630 4190 5676 10 -17 -11 28 52240 4160 4180 5676 Hold H Cylinder Data Air Concrete Air Unit Set Cylinder Slump Time of Temp. Temp. Entrainment Weight Ticket No. ID (inches) Sample ( °F) ( °F) ( %) (Ibs /ft Number 1 5668 4.25 2:35 AM 72 87 3.4 146.4 1229213 2 5669 4.5 3:50 AM 70 86 4.9 143.2 1229243 3 5670 5.5 5:10 AM 68 85 5.2 143.0 1229280 4 5671 4.5 6:15 AM 68 83 4.8 143.6 1229333 5 5672 4.75 7:35 AM 66 85 4.9 143.4 1229373 6 5673 4.75 9:05 AM 72 87 5.2 143.2 1229424 7 5674 5.0 10:35 AM 76 88 5.3 143.0 1229515 8 5675 5.25 11:25 AM 78 87 5.4 143.0 1229589 9 5676 4.75 12:20 PM 84 88 5.1 143.4 1229618 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 -31 Distribution: (1) Mobley- Speed /Mr. David Rupley ,// / f ■ Bill Woolwine Sr. Manager, CMT BW /cn