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Stone Size dam' <br />(in) <br />Percent of Material Smaller than Typical <br />Stone <br />Typical Stone Dimensions' <br />(in) <br />6 <br />70— 100 <br />12 <br />50 — 70 <br />9 <br />35 -50 <br />6 <br />2 -10 <br />2 <br />• <br />• <br />Notes: <br />1. <br />2. <br />D. Nominal stone size and total thickness of the riprap shall be as shown on the DRAWINGS. <br />2.02 INSTALLATION <br />Section 02271 <br />Rip Rap <br />d = average stone size <br />based on typical rock weight <br />3. equivalent spherical diameter <br />4. 4) based on a specific gravity of 2.5 <br />Stones with typical stone dimensions that are equal to d and larger shall be placed at the top surface with <br />faces and shapes matched to minimize voids and form as smooth a surface as practical. Dumping and backhoe <br />placement alone is not sufficient to ensure a properly interlocked system. The material may be machine- placed <br />to form a substantial bond as approved by MANAGER and CERTIFYING ENGINEER. <br />S: \Projects \1125E CCV COA \I - Tech Specs \02271.r1.doc <br />* ** END OF SECTION * ** <br />ame <br />Page 2 of 2 September 3, 2008 <br />Revision 1 <br />