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<br />3. <br />PART 3: EXECUTION <br />3.01 INSTALLATION: <br />The Cemented Rockfill will be placed at a water content to be approved by <br />CERTIFYING ENGINEER, corresponding to approximately at optimum water <br />content to wet of optimum water content, as determined by ASTM D698. <br />A. CONTRACTOR shall ptepaze the underground working to minimize the amount of sloughing in <br />of material from the sides. <br />B. No water shall be added after leaving the mixing azea/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 <br />rough, 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 <br />CONTRACTOR. CONTRACTOR shall be responsible for cooperating with CQA Monitor <br />during all testing activities. CONTRACTOR shall provide equipment and labor to assist CQA <br />• Monitor in sampling, if requested, and shall also provide access to all azeas requiring testing <br />activities. <br />B. Any Work found unsatisfactory or any Work dishubed by subsequent operations before <br />acceptance is granted shall be corrected by CONTRACTOR. <br />*** END OF SECTION *** <br />L <br />Section 03310 <br />Cemented Rockfill <br />Page 2 of 2 <br />Golder Associates <br />December 9, 1998 <br />Revision 0 <br />