_INSPECTION - C1981019 (38) - Laserfiche WebLink

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Colowyo C-1981-019 24 Mar 10 Pg 2/6 Roads: -The main haul road to the Gossard Loadout and facilities area is a paved road. The road was dry at the time of the inspection. The road was stable and well maintained and no problems were noted. - Colowyo has almost completed the new South Taylor haul road (approved through Technical Revision 76). The remaining work includes establishing a crown on the road, ensuring that the road is the proper grade and width for its entire length and surfacing the road. Colowyo is currently using the South Taylor Haul Road and has been using the road for several months now. The remaining construction items must be completed and the road must be certified by a registered, professional engineer. The haul road is partially an in-pit road (the portion that is within the limits of the West Pit) and partially a haul road that must be designed and certified pursuant to Rule 4.03.1 . Upon completion of the haul road Colowyo must certify the road pursuant to Rule 4,03.1(1)(d)(i) and provide the Division with a construction report and an as-built map of the road. - With the construction of the South Taylor Haul Road the majority of Haul Road A and all of Haul Road B have been removed from use for the mining operations. Portions of these roads remain open for access to the north side of the final cut of the Section 16 Pit and the East Pit. Since they are not using these haul roads, Colowyo has not been performing the routing maintenance on the roads. Although they remained stable at the time of the inspection, the road was impassable at a point just past the entrance to the East Pit reclamation. - The in-pit road to the overburden dump in the Section 16 Pit area was well maintained and stable at the time of the inspection. The roads to the East and West Taylor Fills and the lower portion of the South Taylor box-cut were all covered with snow and basically impassable at the time of the inspection (since Colowyo was not actively mining or dumping in these areas). - The roads in the Gossard loadout were all well maintained and stable at the time of the inspection. Hydrologic Balance: - The Gossard Pond (NPDES 003A) contained water approximately three feet below the discharge pipe and was not discharging. The pond embankment was covered with a small amount of snow but remains well vegetated and stable. The concrete sump at the inlet of the pond has done a good job in keeping sediment out of the pond. - The Rail Loop Pond (NPDES 006A) contained a small amount of water time of the inspection but was not discharging. The pond embankment was covered with a small amount of snow but remains well vegetated and stable and no erosional problems were noted. - The Stoker Siding Pond (NPDES 005A) contained water approximately four feet below the top of the discharge pipe and was discharging a trickle out of the weep hole. The pond embankment was covered with a small amount of snow but appeared to be well vegetated and stable. No erosional problems were noted on the pond embankment.