PERMFILE115702 - Laserfiche WebLink

Home Browse Search

a,o5.3 (6) Overburden. A narrative and appropriate maps explaining the removal, handling, and storage of all overburden material in the permit area. Each narrative should include pit dimensions, overburden volumes, and swell factors anhcioated for each phase of the nroposed operation. Permanent excess spoil disposal strvctures shall geometry, and method of material placement. If appropriate for the nroposed operation, each plan should also include: (a) A surface blasting plan for the nroposed permit area, explainine how the annlicantintends to comply with the requirements of 4.08 and including the following: (i) Types and approximate amounts of explosives [o be used for each type of blasting operation to be conducted; (ii) A plan for recording and retention of the following drain blasting: (A) Drilling patterns, including size, number, depths, and spacing of holes; (f3) Charge and packing of holes: (C) Types of fuses and detonation controls; and (D) Sequence and timing of firing holes. (iii) Description of blasting +varnine and site access control equipment and procedures; • (iv) Description of types, capabilities, sensitivities, and locations of use of any blast monitoring equipment and procedures nroposed to be used: (v) Description of plans for recording and reporting [o the Division the results of preblasting surveys, if required; (vi) Description of unavoidable hazardous conditions for which deviations from the blasting schedule will be needed under 4.08.4(2); (vii) The limitations the operator will meet with regard to ground vibration and air blast, the bases for those lunitatiotts, and the methods to be applied itt conu'ollitte the adverse effects of blasting operations: and (viii) On a map locate each explosive storage and handling facility. RESPONSE No additional surface blasting using more than 5 pounds of explosive is planned to be employed at the Foidel Creek Mine. Two explosive bunkers will be installed southwest of the portal area on unreclaimed spoils. A 400 ft. by 100 ft. area was leveled and graded to insure that surface drainage does not discharge from the site. Explosive storage bunkers will be located in the area shown on Map 24, Surface Facilities. The explosive bunkers will conform to all Federal, State and local regulations as they pertain to location, construction and utilization. The bunkers will be removed prior to backfilling and grading. Within the Fish Creek Tipple permit area, Twentymile Coal Company does not intend to remove or stockpile overburden material. In addition, no surface blasting will be conducted. Therefore, the requirements of these subsections are not applicable. A~~~~ve~ aPa z a ?ooo Permit Renen•al No. 3 2.05-85 4/1/99