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February 16, 2017 C-1996-084/Lorencito Canyon Mine BFB <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 7 <br />Number of Complete Inspections this Fiscal Year: 2 <br /> <br /> Page 2 of 7 <br /> <br /> <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br />NA - Air Resource Protection <br />N - Availability of Records <br />NA - Backfill & Grading <br />R - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />Y - Gen. Compliance With Mine Plan <br />N - Other <br />NA - Processing Waste <br /> <br />R - Roads <br />R - Reclamation Success <br />N - Revegetation <br />NA - Subsidence <br />N - Slides and Other Damage <br />NA - Support Facilities On-site <br />N - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />N - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />The Lorencito Canyon Mine was photographed from an airplane by Brock Bowles of DRMS on February 16. <br />These photos were reviewed by Rob Zuber of DRMS on February 17, 2017. The weather was clear. The ground <br />was clear of snow except for small patches on north-facing slopes. <br />EXCESS SPOIL and DEVELOPMENT WASTE – Rule 4.09 <br />Placement; Drainage Control; Surface Stabilization: <br />Fills 7, 8, and 9 were inspected; all were generally in good condition. There were no signs of instability or <br />significant erosion on the faces, although some rills were seen on Fill 7 (west side). <br /> <br />HYDROLOGIC BALANCE - Rule 4.05 <br />Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10; <br />Diversions 4.05.4; Effluent Limits 4.05 .2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br />Drainage – Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />The following ponds were inspected: 5, 6, 7, 8, 9, and 9A. All but Pond 5 held water in some form (water, ice, <br />and/or snow). No issues were identified with embankments or spillways. <br /> <br />ROADS – Rule 4.03 <br />Construction 4.03.1(3)/4.03.2(3) <br />Drainage 4.03.1(4)/4.03.2(4) <br />Surfacing and Maintenance4.03.1(5) and (6)/4.03.2(5) and (6) <br />Reclamation 4.03.1(7)/4.03.2(7): <br />No problems with roads were identified except near Pond 8. This area still requires maintenance. <br />