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concrete class placed in any one day;one specimen tested at 7 days,two specimens <br /> tested at 28 days,and one specimen retained in reserve for later testing if required. <br /> f. When total quantity of a given class of concrete is less than 50 cu.yd.,Architect may ` <br /> waive strength testing if adequate evidence of satisfactory strength is provided. <br /> C. Test results will be reported in writing to Architect,ready-mix producer,and Contractor <br /> within 24 hours after tests.Reports of compressive strength tests shall contain the Project identification name <br /> and number,date of concrete placement,name of concrete testing service,concrete type and class, location <br /> of concrete batch in structure,design compressive strength at 28 days,concrete mix pmportions and materials, <br /> compressive breaking strength,and type of break for both 7-day tests and 28-day tests. <br /> END OF SECTION 03300 <br /> POURED-IN-PLACE CONCRETE <br /> Page 8 of 8 <br />