Laserfiche WebLink
<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 />N - Availability of Records <br />N - Backfill & Grading <br />N - Excess Spoil and Dev. Waste <br />N - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />N - Gen. Compliance With Mine Plan <br />N - Other <br />N - Processing Waste <br /> <br />R - Roads <br />N - Reclamation Success <br />R - Revegetation <br />N - Subsidence <br />N - Slides and Other Damage <br />R - Support Facilities On-site <br />R - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />R - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a Division partia inspection of the Colowyo Mine conducted by Zach Trujillo of Colorado Division of <br />Reclamation, Mining and Safety (DRMS) on September 26, 2017. Tony Tennyson representing Tri-State <br />Generation and Transmission Association (Tri-State) and Kurtis Blunt representing Colowyo Coal Company <br />(Colowyo) accompained the inspection. The weather for inspection was clear and ground conditions were dry. <br />Tempeture during the inspection was around fifty five degrees fahrenheit. <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 />Section 25 pond has been completed. The primary spillway has been fitted with a flume at the outlet point. The <br />emergency spillway has been cut in and armored with rip rap. Pond embankments have been seeded. The pond <br />held no water at the time of the inspection. <br /> <br />Both Section 36 and the Middle Pond were nearing completion at the time of the inspection. The pond both had <br />the emergency spillway staked for cutting but had not yet been c ompleted yet. Both ponds had minor cutting <br />observed at the inlet. <br /> <br />The Coal Stockpile Pond was completed. The embankments have been seeded. The spillway is cut and well <br />armored with rip rap. No issues were observed. <br /> <br />Silt fence and waddles were observed along all disturbed areas associated with the Collom Haul Road Project. No <br />signs of sediment leaving off -site was observed. <br /> <br />The Final East Pit Ditch was inspected. Reach 1 of the ditch has been reconstructed back to the approved design. <br />Additional clay like material was added to the reach along with the rip rap to help stabilize the channel.