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liability during SL6 and found the required liability amount to be $1,868,426.16. CEC did not reduce their <br />liability to the required amount subsequent to the approval of SL6. <br />During Midterm Review No. 6 (MT6), in accordance with Rule 3.02.2(4) the Division has reviewed the <br />adequacy of the reclamation bonding instruments and we have also reviewed the adequacy of the reclamation <br />cost estimate. There is currently a Corporate Surety in place for the Keenesburg Strip Mine in the amount of <br />$1,937,676.00. The Division calculated a new reclamation cost estimate taking into account the remaining <br />tasks to be completed that have not been released through the phased bond release process. The Division <br />estimated the reclamation cost to be $1,971,874.00 which is $34,198.00 more than the current bond held and <br />is $103,447.84 more than the required liability calculated during the review of SL6. Enclosed with this <br />document is a copy of the Division's estimate from MT6. <br />Costs for pit backfilling/grading, road ripping /grading, topsoil application, structure demolition, and <br />equipment mobilization and demobilization increased from the previous liability estimate. The costs for site <br />maintenance, water monitoring, and revegetation decreased from the previous liability estimate. An increase <br />in equipment costs can be attributed to some of the liability increase. However, the majority of the cost <br />increase can be attributed to task A02 which accounts for backfilling and grading parcels of B Pit that have <br />not received Phase 1 bond release. Based on these parcels acreages (Parcels 30, 31 and 32) and the depth of <br />spoil required to be placed on these parcels the volume used to estimate the cost of this task was calculated. <br />The previous cost estimate completed for RN6 and SL6 included a cost for this task however the volume used <br />was found to be insufficient. <br />Also, the Division added additional tasks C04 and C05 to finish grade the internal roads and access road. <br />Topsoiling cost increased based on a new estimate of volume needed for the B -Pit area. A new task was <br />added to address topsoil application on Parcel 25 which has not been granted Phase H bond release. The unit <br />costs for structural demolition also increased. Mobilization and Demobilization costs were re- evaluated, <br />loading and unloading times for non - roadable equipment was increased from the RN6 and SL6 estimate to <br />address the added cost the Division would incur to assemble and disassemble the equipment needed to <br />conduct reclamation. <br />Please see the enclosed cost estimate for details of these costs. <br />III. PROPOSED DECISION <br />Any person with a valid legal interest which might be adversely affected by this proposed decision may <br />request a formal public hearing before the Mined Land Reclamation Board in accordance with Rule <br />3.03.2(4). Public notice of this proposed decision will be published twice in the Fort Lupton Press as soon <br />as possible. Requests for public hearing must be submitted to the Division in writing within thirty days of the <br />first publication in the Fort Lupton Press. If no hearing is requested within that thirty days, the Division's <br />decision will become final. <br />