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ORIGINAL -PUBLIC FILE <br />(Page 2) <br />MINE ID # OR PROSPECTING ID #: nn-i9Rn-yea <br />INSPECTION DATE: ~/5/n~ ti~7/6/n~ INSPECTOROS INITIALS: -8~- <br />OBSERVATIONS <br />The Division conducted a liner placement of the Phase IVC barrier area. The barrier was <br />required to allow CC&V to place and leach ore in Phase IVC lined and certified area. <br />Previous plan was to move the load out Bin area from the current location and have the two <br />acres that it occupied by the load out bin, which is lined but not certified, re-lined and <br />certified, However, the cost of moving the load out bin as envisioned in 2000 when <br />amendment # 8 was approved had increased by a larger amount than anticipated. CC&V decided <br />to move the load out bin if and when a mine expansion application is submitted at a future <br />date. In the mean time CC&V wanted to start placing ore and leach in the already lined <br />certified portion of the Phase IVC area by placing a barrier lined area delineating the <br />uncertified portion from the certified portion of the Phase IVC area. <br />CC&V submitted Technical Revision # 48 to place the barrier along the entire length of <br />the Phase IVC lined and certified area, with an adequate buffer certified lined area <br />separating the two acres covered by the load out bin area. The width of the exposed liner <br />was three feet. <br />In addition to the Division being present, Golder and Associates QA/QC, David Geier, <br />geotechnical engineer and Mark Vanoni of CC&V were present during the placement of the <br />liner. The placement of the barrier liner and all the repair work was conducted in <br />accordance with the approved specification in Amendment # 8. <br />The entire length of the welded liner from the toe, to the top of the pad length was <br />vacuum tested. All repaired liner was also vacuum tested. <br />Repair work was conducted in accordance with the approved specification for liner . <br />deployment in Amendment # 8. All areas of defect were identified and marked for repair <br />addition to the obvious tear, all <br />and vacuum tested. Prior to liner <br />nuclear density test of the clay 1 <br />exceed the required compaction. G <br />certification report for the area <br />feet wide and the entire length of <br />Enough buffer lined certified area <br />certified and uncertified portion <br />repair work, the entire length of <br />walked and observed. <br />scratches deeper than a thumb nail were also repaired <br />repair work and deployment as requested by DRMS, a <br />finer was conducted and the clay was found to meet or <br />older and associates will provide the QA/QC and <br />In <br />covered under the TR. The area exposed was only three <br />the lined area of Phase IVC West side the Load out Bin. <br />was left in place as an added protection between the <br />of the Phase IVC. During the placement of the liner and <br />the exposed liner from the toe to the top of the pad was <br />I' B L <br />18 E Contact Address <br />NAME: TIM COMER <br />OPERATOR: CCBV <br />STREET: P_~ atlx 191 <br />CITY/STATE/ZIP: VIC'T(~R.CnI nRAf)(~ ROR60 <br />I' FS <br />r HW <br />I' HMWMD (CH) <br />I' <br />r SE <br />t WQCD (CH) <br />I' OTHER <br />cc: I' CE <br />