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March 30, 2017 C-1981-019/Colowyo Coal Mine ZTT <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 7 <br />Number of Complete Inspections this Fiscal Year: 3 <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 />N - Air Resource Protection <br />R - Availability of Records <br />R - Backfill & Grading <br />N - Excess Spoil and Dev. Waste <br />R - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />R - Gen. Compliance With Mine Plan <br />N - Other <br />N - Processing Waste <br /> <br />R - Roads <br />R - Reclamation Success <br />R - Revegetation <br />N - Subsidence <br />N - Slides and Other Damage <br />N - Support Facilities On-site <br />Y - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />Y - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a complete inspection of the Colowyo Mine conducted by Zach Trujillo of Colorado Division of <br />Reclamation, Mining and Safety (DRMS) on March 30, 2017. Ku rtis Blunt and Angela Aalbers representing <br />Colowyo Coal Company (Colowyo) accompained the inspection. The weather was overcast with strong winds and <br />wet ground conditions. Access to the site was partially limited due to muddy ground conditions from seasona l <br />snow melt. Temperatures for the day were around fifty degrees fahrenheit. <br />AVAILABILITY OF RECORDS – Rule 5.02.4(1): <br />All records are kept on site at the Colowyo Mine’s office building. Please see the Division’s Availability of <br />Records checklist at the end of this inspection report for more detailed information <br /> <br />BACKFILL and GRADING – Rule 4.14 <br />Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Highwall Elimination 4.14.1(2)(f); <br />Steep Slopes 4.14.2, 4.27; Handling of Acid and Toxic Materials 4.14.3; Stabilizatio n of Rills and Gullies 4.14.6: <br />Spoil was being backfilled along the eastern end of the South Taylor Pit. <br /> <br />Regrade work has begun for the 2017 West Pit Parcel located along the eastern end of the pit. One dozer was <br />actively shaping spoil to achieve post -mining topography. <br /> <br />EXPLOSIVES – Rule 4.08 <br />Distance Prohibitions 4.08.4; Warnings 4.08.4; Cont rol of Adverse Effects 4.08.4: <br />Explosives were set for a blast later that day along the southwestern end of the South Taylor Pit. The blast was set <br />to occur around 4 PM that day. The Division was not present during the blast. <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;