PERMFILE106248 - Laserfiche WebLink

Home Browse Search

The remaining Excess Spoil will be utilized to achieve the postmining contours shown on Map 19. Detailed geotechnical investigations were completed for both the West Pit Fill and the Section 16 Fill by CTL/Thompson, Inc. Reports of the investigations are found in Exhibit 19. Construction plans for the fills, addressing the requirements of Rule 4.09, Disposal of Excess Spoil, can also be found in Exhibit 19. The topography following mining and reclamation activities is shown on the Postmining Topography Map (Map 19). Cross sections relating the premining and postmining topographic configurations are presented as the Premining and Postmining Cross Section Maps (Maps 20 and 20A). in the initial permit application, Map 30, Experimental Practice Design, showed the proposed Streeter Fill design. In the current application, the title of Map 30 has been changed to Streeter Fill Design and As-Built, to reflect termination of the Experimental Practice designation, and provide an as-built drawing of the constructed fill. As shown on Map 30, the minor differences between the design and the as-built configuration are insignificant. The primary difference, which increases stability, is the change in the top elevation of the fill from 7300 feet in elevation to 7200 feet. Coal Handling Structures Map No. I -Surface ownership shows pre-mining contours and Map 19A - Pos[mining Topography Gossard Area shows post-mining contours of [he loadout. All facilities no[ to be included as part of [he post-mining land use will be removed (see Section 2.05.5). After the facilities are removed, the land will be regraded to blend with the existing undisturbed topography, retopsoiled and revegeta[ed in accordance with Section • 2.05.4. The detailed description of the various coal crushing, handling and loadout facilities for [he Colowyo operation is found under [he Mine Facilities Section in 2.05.3. The location of the coal processing facilities is found on the Existing Structures -North Map (Map 21) and the Existing Structures -South Map (Map 22). • 2.05-37 Revision Date 5/8/03 Revision No. TR-56