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SS9901-LR051026Construction Materials Testing and Environmental Consulting Texas CMT, Inc. 10044 Monroe Drive Dallas, Texas 75229 (214) 352-6957 Fax (214) 352-6972 www .texascmt.com REPORT OF CONCRETE MIX OBSERVATION Report Date: Client: Project: Contractor: Concrete Supplier and Plant: Location of Placement: October 26, 2005 Date Concrete Placed: October 14, 2005 City of Coppell DeForest & Sandy Lake Wastewater Lift Stations: Project SS 99-01 Can-ret Construction Southern Star 27 Flume Standard 6"x12" Area 28.27 Square Inches Concrete Report No.: 20 Project No.: 205-0126 MATERIALS ~=, SSD B.~ w~. OBSERVATION DATA Des~riptlon (Lbs/CuYd) Mix Number: 7503 Time Sample Batehed: 01:00 pm Cement: Time Sampled: 01:23 pm Sample Location: Flume slab Fly Ash: Track/Ticket No: 114/176321 Cogrse Aggregate: Temperature: Intermediate Aggregate: Ambient Range: 87°F Fine Aggregate:' Concrete Range: 85°F ~ Slump Range (inches): 6~h'' Admixteres: Weather Conditions: Clear I Time Started: 12:00 pm 2 Time Completed: 02:30 pm Added Water: 0 gallons Sample Air Content (%): N/A Total Cubic Yards Placed: 5 Requil d Strensth (Lbs./sq.h .): 4000 DLS 73 7 10/21/05 138,120 4,890 DLS 74 28 11 / 11/05 DLS 75 28 11/11/05 DLS 76 H HOLD Mr. Rick O'Dell - City of Coppell Mr. Todd C. Hoff- Canfer Construction Co. Ms. Erika K. Cooper - Turner, Collie & Braden Mr. Bobby Bart - Onsite cell: 469-556-6469