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• (Page 2) • <br />MINE ID # OR PROSPECTING ID # M-80-244 <br />INSPECTION DATE 7-15-99 INSPECTOR'S INITIALS BK <br />The Division conducted a construction progress inspection of the Phase III area on 7-15- <br />99.Present during the inspection were, Mr. Scott Lewis, Mr. Phil Barnes, and Mr. Terry <br />Mendziak of CC&VG. <br />The main purpose of the Inspection was to visually see secondary and tertiary under drain <br />construction progress. About 470 feet of the under drain system appears to have been <br />completed according to the weekly construction report. With the exception of one tertiary <br />under drain measuring appx. 15 feet, orienting South to South East, all were covered so we <br />were only able to observe that one. The upper portion of this under drain, shoed some <br />expressions of ground water as surface water. The Division requested to widen that portion <br />of the under drain so it can capture all the ground water. Mr. Mendziak, the resident <br />engineer who is supervising the construction, agreed to widen that portion of the under drain <br />as requested.Earth moving operation was continuing and it appears, within a few days, the <br />upland 100 year 24 hour diversion will be in place once the appropriate grade has been <br />established. <br />work was also continuing backfilling the old underground workings. A couple of the backfilled <br />underground workings were observed from the top of the Phase II leach pad. <br />Inspected the main under drain area for Phase I AND II. THIS WILL ALSO BE THE MAIN DISCHARGE <br />AREA FOR PHASE III ONCE THE PHASE THREE UNDER DRAIN IS COMPLETED. Both 24 inch and the four <br />inch pipes were discharging, no samples were collected. <br />THE FOLLOWING READINGS WERE COLLECTED FROM THE LOW VOLUME COLLECTION SYSTEM PUMPS FOR PHASE <br />I AND HIGH VOLUME AND LOW VOLUME PUMPS FOR PHASE II. <br />Phase I Low volume collection system pump #1 MEASURED 0.11 FEET OF HEAD. <br />Pump #2 MEASURED 0.34 FEET OF HEAD. <br />BOTH PUMPS WERE ON.FLOW RATE WAS 4.65 gpm <br />Phase II Low volume collection system pump #1 MEASURED .42 FEET OF HEAD. <br />Pump #2 MEASURED .18 FEET OF HEAD. <br />BOTH PUMPS WERE ON. FLOW RATE WAS 3.2 GPM <br />Phase II high Volume collection system pump #4 MEASURED 20.7 FEET OF HEAD <br />PUMP #5 MEASURED 20.7 FEET OF HEAD. <br />PUMP #6 MEASURED 24.7 FEET OH HEAD. <br />As reported in previous inspections, CC&VG HAS BEEN ENCOUNTERING MECHANICAL PROBLEMS WITH THE <br />FLOW METERS. Mr Lewis had agreed to look into other options as soon as possible. <br />Continued the inspection to the main pit area where CC&VG requested to utilize a portion of <br />an area where a portion of the previous 100 year 24 hour diversion is located above the <br />crusher area to be used as additional soil liner storage area.Since that portion of the <br />Diversion is no longer function due to dynamic changes in the area because of the expansion <br />of the main pit and Arequa gulch waste storage areas the Division agreed with the request. <br />CC&VG agreed to submit a written request and provide a new map of the area showing the <br />current configuration of the Diversion structure. <br />Inspected the East and North CRESSON AREAS work was continuing as approved in Amendment #7. <br />A brief discussion regarding Leak detection sump # 4 was held. As reported in previous <br />inspection reports, the sump appears to be capturing surface water expressed as ground water <br />whenever the area receives measurable PPT. CC&VG and their resident hydrologist Mr. Mason had <br />been diligently working trying to determine the source of this water. Since the Leak <br />detection trench and sumps were not designed to capture surface water, the Division requests <br />CC&VG to provide a plan that will identify and solve this possible problem. The Division is <br />aware of the fact that the sump will be moved and the trench extended to cover the Phase III <br />`p~.~~ °78~~ ~3 <br />