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DR0601-LR060804Ellerbee- Walczak, Inc. GEOTECHNICAL ENGINEERING & CONSTRUCTION MATERIALS TESTING SERVICES COMPRESSIVE STRENGTH (6x12" CYLINDER) REPORT NO.: EW- CS- 06 -94cyl PR03ECT: Cribbs Street CLIENT: Ed A. Wilson DATE OF PLACEMENT: 08/04/06 CONCRETE SUPPLIER: Redi -Mix STRENGTH RECr. * */28 DAYS: 3 sac grout DESIGN ID #: 502 CONSOLIDATION: Rodding TECHNICIAN: Hector Martinez METHOD: ASTM -C31 TEST LOAD STRENGTH ADDN.INFO. ID # SLUMP AGE DATE X 1000 PSI 1 6.00" 7 08/11 4.73 167 Ticket# 1667073 2 7 08/11 5.73 203 Truck# 273 3 28 09/01 Time 4:00 4 28 09/01 Temp Amb 99 /Conc 99 Air 5.0% *Remarks: Redi -Mix truck was two hours late. LOCATIONS: Set #1 Slotted drain - MacArthur Blvd Sta. 1 +50 * *Specified Strength Requirement or as shown on Concrete De!ivery Ticket. Curtis W. Hawk, C.E.T. /kdh cc: Ed Wilson 4501 Broadway Ave • P O Box 14809 • Haltom City, Texas 76117 Office 817 - 759 -9999 • Fax 817 - 759 -1888