Red Hawk-LR111209 X Alpha Testing, Inc.
2209 Wisconsin St., Suite 100 Concrete Compression Test
Dallas, TX 75229
(972)620 -8911 Report
TBPE Firm No. 813
Tested For: CRESTSTONE GROUP Date Issued: 12/15/2011
ATTN: DAVID HAYES Our Report #: 110991 -32
225 E. HWY 121, #120
COPPELL, TX 75019 PM: YONAS TANGA
Fax Number: (214) 488 -5255
Project Desc: RED HAWK RESIDENTIAL
NWC OF BETHEL SCHOOL RD. AND DENTON TAP RD.
FIELD DATA
Placement Location: INLET WALLS & BOTTOM
Sample Location: STORM LINE B @ STATION 2 +95
Date Placed: 11/11/2011 Plant Number: 3
Time Placed: 12:30 PM Delivery Ticket No.: 3299428
Slump (ASTM C -143): 3.25 Mix ID: 1701
Air Content: 4.75 (ASTM C -173) Made By: ALPHA
Air Temperature: 78
Specimen Temperature: 74 Cured Specification: ASTM C-31
Date Received: 11/12/2011
Field Data Submitted By: Montenegro, Daniel
Mix Data Submitted By: LMC
CYLINDER COMPRESSION TEST RESULTS
Lab Cure Break Cap Date Age Avg. Avg. Avg Depth/ Area: Max
No.: Type: Type: Spec: Tested: (Days): Length Width Diameter Sq. In. Load: PSI:
9 LAB C -1231 11/18/2011 7 8 N/A 4 12.56 57700 4590
10 LAB C -1231 12/9/2011 28 8 N/A 4 12.56 74280 5910
11 LAB C -1231 12/9/2011 28 8 N/A 4 12.56 75550 c ilee l
12 LAB HOLD HOLD 8 N/A 4 12.56 0
Specifications: 28
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Results to Date: PASS
CC: Creststone Group, Glenn Thurman, Inc., City of Coppell, KART
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Respectfully Submitted By: / of Alpha Testing, Inc.
Test Method: Unless noted, concrete was sampled and tested in accordance with ASTM C172, C143, C231, C173, C1064 AND C138 Compression strength tests per
ASTM C39. Our test results and reports are for the exclusive use of the Client (and their designated recepients on file in our office) and shall not be reproduced and /or
distributed except with express approval of ALPHA. The use of our name and test results must receive our written approval. Test results and reports apply only to the
samples tested and /or observed, and are not indicative of the qualities of apparently identical or similar specimens.
Geotechnical Engineering * Construction Materials Testing " Environmental Engineering* Consulting 19KA ')n