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Cripple Creek & Victor Gold Mining Company <br />Laboratory Liner Extension <br />Final Report ameO <br />Quality Assurance Monitoring &Test Results <br />January 14, 2014 <br />2.5 Concrete <br />Concrete placed for the Laboratory Liner Extension slab was delivered in two trucks on <br />January 23, 2013. AMEC personnel observed the placement to ensure that it met <br />specifications. Concrete samples were taken from truck 090, the first of the two trucks. <br />Laboratory results indicate an average 28 -day strength of 5,330 psi; which is 133 <br />percent of the 4,000 psi required strength. All laboratory reports and delivery tickets <br />for the concrete placed at the Laboratory Liner Extension can be found in Appendix E. <br />slprojects \1125m -cc &v lab liner extension\h2 - design \lab liner extension \roc report\lab liner roc report.docx <br />