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• <br />TAB 18 <br />BACKFI LLING AND GRADING <br />Introduction <br />The loadout area was originally disturbed by construction activities during the time <br />period 1978 - 1979. The majority of the earth moving operations were conducted as a direct <br />result of the grade requirements for the railroad spur. The topography of the land prior <br />to construction was such that construction of the spur required much more cut than it did <br />fill. The following discussion regarding bac kfilling and grading is limited to those <br />areas disturbed due to construction and will be graded only when the loadout is no longer <br />needed. <br />Timing of Backfilling and Grading <br />The loadout area and railroad spur will be graded in conjunction with closure or final <br />reclamation of the facility. This date has not yet been determined (see Tab 17, <br />• Reclamation Schedule). <br />Nethod for Backfilling and Grading <br />To the extent possible, most grading will be conducted by dozing material into the cut <br />areas. This will leave a Swale that has positive drainage (see Exhibit 18-1). This is <br />not inconsistent with the post mine land use of pasture land. Leaving an undulating <br />topography will also be of benefit to wildlife as escape and thermal cover. Please refer <br />to Ezhibit 18.2 for pre- and post-operational cross sections. <br />Disturbance beyond the existing disturbance boundary to backfill or slope certain areas to <br />en acceptable grade may be necessary. Prior to this operation, if topsoil exists in this <br />area, it will be selvaged prior [o disturbance. Depending on the Location, the topsoil <br />may be pushed beck out of the way or picked up and stockpiled or redistributed. <br />After the buildings end coal conveyance equipment has been removed, the area will be <br />graded to blend into the surrounding topography (Exhibit 18-1). <br />• Please refer to ieb 23, Bonding, for specifics pertaining [o demolition, disposal, <br />1 Revised 03/01/93 <br />