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DR0601-LR060731Ellerbee - Walczak, Inc. GEOTECHNICAL ENGINEERING & CONSTRUCTION MATERIALS TESTING SERVICES COMPRESSIVE STRENGTH (6x12" CYLINDER) REPORT NO.: PROJECT: CLIENT: DATE OF PLACEMENT: CONCRETE SUPPLIER: STRENGTH REQ.* * / 28 DAYS: DESIGN ID #: CONSOLIDATION: TECHNICIAN: METHOD: EW- CS- 06 -91cyl Cribbs Street Ed Wilson 07/31/06 Redi -Mix 4200 psi 115 Rodding Hector Martinez ASTM -C31 LOCATIONS: Set #1 Inlet Top ADDN. INFO. Ticket# 172730 Truck# 204 Time 4:05 Temp Amb 101 /Conc 99 Air 4.0% Sta. 0 +91 * *Specified Strength Requirement or as shown on Concrete Delivery Ticket. Ellerbee - Walczak, Inc. Curtis W. Haw , 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 TEST LOAD STRENGTH ID # SLUMP AGE DATE X 1000 PSI 1 2.50" 7 08/07 108.8 3849 2 7 08/07 106.1 3753 3 28 08/28 4 28 08/28 LOCATIONS: Set #1 Inlet Top ADDN. INFO. Ticket# 172730 Truck# 204 Time 4:05 Temp Amb 101 /Conc 99 Air 4.0% Sta. 0 +91 * *Specified Strength Requirement or as shown on Concrete Delivery Ticket. Ellerbee - Walczak, Inc. Curtis W. Haw , 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