2016-08-01_REPORT - M1980244 - Laserfiche WebLink

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Newmont Mining Corporation Boo Cripple Creek&Victor Gold Mine . Squaw Gulch VLF CCLA NewFields Job No.475.0106.006 Week Ending Saturday,July 23,2016 using three fusion welding machine/operator combinations. Eighteen destructive testing samples were marked during fusion seaming. Approximately 770 linear feet of seam was extrusion welded using one extrusion welding machine/operator combination. Four destructive testing samples were marked during extrusion seaming. All destructive tests performed met project specifications. Non-destructive testing was performed for fusion welded seams. Repairs were performed using the extrusion welding method for all marked defects. Vacuum testing was performed for all extrusion welded seams and repairs. 2.3 Anchor Trench Approximately 500 feet of interim anchor trench was excavated along the Phase 1 9,950-foot bench and 625 feet of permanent anchor trench was excavated along the Phase 1 perimeter between the 9,850-foot and 9,950-foot bench in accordance with design drawings and project technical specifications. Anchor trench backfill was performed using a skid steer, a vibratory plate compactor and laborers. A NewFields representative monitored the backfill procedures to ensure that the anchor trench was constructed in accordance with the design drawings and project technical specifications. 2.4 Geomembrane Acceptance Panels P-2008 through P-2025 and P-2027 through P-2066 were accepted for Drain Cover Fill placement. The attached Figure 3 shows the acceptance areas. 3.0 STORM WATER MANAGEMENT Best Management Practices continued to be performed. 4.0 NEWFIELDS LABORATORY ACTIVITIES NewFields personnel performed sieve analysis, atterberg limits, compaction and permeability testing. The following samples were collected for laboratory testing: Soil Liner Fill: NFSLF-39-C and NFSLF-41-C (Dump 1 Processing Plant) Soil Liner Fill: NFSLF-40-R (Phase 1 VLF) Drain Cover Fill: NFDCF-9-R (Phase 1 VLF) Page 4