_INSPECTION - C1982057 (13) - Laserfiche WebLink

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June 4,2013 C-1982-057/Seneca 11-W Mine JLE any bond release for the impoundment. Stock tank T-20 was holding water and discharging. The stock tank appeared stable and functional. A certified as-built is included in Exhibit 13-27 of the permit. SCC has not submitted the permanent impoundment demonstration in accordance with Rule 4.05.9(13) for this impoundment,nor documentation that the landowner wishes this impoundment to left as a permanent feature. SCC has not provided the required documentation that the SEO has approved the retention of this impoundment in accordance with Attachment 20-2. This documentation must be submitted prior to approval of any bond release for the impoundment. Stock tank T-18 was holding water and the embankment was stable and vegetated. A certified as-built is included in Exhibit 13-27 of the permit. SCC has not submitted the permanent impoundment demonstration in accordance with Rule 4.05.9(13)for this impoundment,nor documentation that the landowner wishes this impoundment to left as a permanent feature. SCC has not provided the required documentation that the SEO has approved the retention of this impoundment in accordance with Attachment 20-2. This documentation must be submitted prior to approval of any bond release for the impoundment. Drainage PM-41)is under consideration for Phase I bond release. This steep channel has been lined with turf re- inforced matting (TRM). A large rill was observed in the center of this channel;however it is not very long. Mr. Karo indicated that SCC will repair the rill in the near future. Some vegetation has begun to establish in the channel and on the TRM. Overall,this channel appears to be constructed as it is designed. The slope of the channel was measured to be 50%which matches the slope that is depicted on the approved Post Mine Topographic Map Exhibit 20-2. Drainage PM-21)is under consideration for Phase I bond release. This drainage is lined with rip-rap and appears stable. An un-named drainage in the shrub enclosure adjacent to the PM-21)drainage has eroded with deep side cuts. This drainage will need to be repaired. Stock Tank T-26 is holding water but is not discharging. This impoundment appears stable and functional. SCC has not provided the required documentation that the SEO has approved the retention of this impoundment in accordance with Attachment 20-2 of the permit. This documentation must be submitted prior to approval of any bond release for the impoundment. Stock Tank T-27 is holding water but is not discharging. Overall this impoundment appears stable and functional. It appears all of the required documentation has been submitted in order for this impoundment to remain as a permanent feature. For Pond 017,the Division checked the configuration of the pond to determine if it was constructed in accordance with the As-Built and designs approved in the permit. The top width of the embankment was 17 feet. The emergency spillway bottom width was found to be about 17 to 20 feet and at times greater. The emergency spillway was rip-rapped. The principle spillway culvert was 36 inches in diameter. The outslope of the Number of Partial Inspection this Fiscal Year: 12 Number of Complete Inspections this Fiscal Year: 4 Page 5 of 12