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Newmont-Cripple Creek&Victor Gold Mine <br /> Technical Specification No.02271.DOCX <br /> Squaw Gulch VLF . <br /> Project No.475.0106.006 <br /> June 15,2016 <br /> 1 Stone Sized Typical Stone Percent of Material Smaller s <br /> (in)5o than Typical Stone Dimensions <br /> (in) <br /> 15 70—100 26 <br /> 50—70 21 <br /> 35—50 15 <br /> 2-10 5 <br /> Notes: <br /> 1. d5o=average stone size <br /> 2. based on typical rock weight <br /> 3. equivalent spherical diameter <br /> 4. 4)based on a specific gravity of2.5 <br /> D. Nominal stone size and total thickness of the riprap shall be as shown on the <br /> DRAWINGS. <br /> 2.2. Installation <br /> Stones with typical stone dimensions that are equal to dso and larger shall be placed at the <br /> top surface with faces and shapes matched to minimize voids and form as smooth a surface as <br /> practical. Dumping and backhoe placement alone is not sufficient to ensure a properly <br /> interlocked system. The material may be machine- placed to form a substantial bond as <br /> approved by MANAGER and CERTIFYING ENGINEER. <br /> Page 2 <br />