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2.02 MIXES <br />A. Cemented Rockfill: <br />1. Maximum Aggregate size of 2 -inch. <br />2. 6 percent (by dry weight) cement. <br />3. The Cemented Rockfill will be placed at a water content to be approved by CERTIFYING <br />ENGINEER, corresponding to approximately at optimum water content to wet of optimum <br />water content, as determined by ASTM D698. <br />PART 3: EXECUTION <br />3.01 INSTALLATION <br />A. CONTRACTOR shall prepare the underground working to minimize the amount of sloughing in of <br />material from the sides. <br />B. No water shall be added after leaving the mixing area/batch plant without the approval of <br />MANAGER and CERTIFYING ENGINEER. <br />C. The surface of hardened concrete on which fresh Cemented Rockfill is to be placed shall be rough, <br />and cleaned of all laitance and foreign substances. <br />D. The rock surface within the competent bedrock of the underground working shall be scaled to <br />removed any loose material prior to Cemented Rockfill placement. <br />E. Each 3 foot thick lift of the Cemented Rockfill shall be compacted according to a method <br />specification, approved by the MANAGER and CERTIFYING ENGINEER. <br />3.02 FIELD QUALITY CONTROL <br />A. All concrete testing (both field and laboratory testing) will be the responsibility of CONTRACTOR. <br />CONTRACTOR shall be responsible for cooperating with CQA Monitor during all testing activities. <br />CONTRACTOR shall provide equipment and labor to assist CQA Monitor in sampling, if requested, <br />and shall also provide access to all areas requiring testing activities. <br />B. Any Work found unsatisfactory or any Work disturbed by subsequent operations before acceptance is <br />granted shall be corrected by CONTRACTOR. <br />* ** END OF SECTION * ** <br />Section 03310 <br />Cemented Rockfill <br />Page 2 of 2 <br />September 3, 2008 <br />Revision 1 <br />SAProjects \1125E CCV CQA \I - Tech Specs \03310.r1.doc <br />