Laserfiche WebLink
SUMMARY OF DOCUMENTATION <br /> COAL BASIN MINES RECLAMATION COST ESTIMATE <br /> Reclamation requirements were taken from the approved permit application package. Where information <br /> was vague or incomplete, Division staff were consulted, as noted for each task outlined below. <br /> All volume/area/quantity information, unless otherwise noted, were estimated based on aerial <br /> photographs, materials within the permit application package, and previous Division reclamation cost <br /> estimates. <br /> All production data for earthmoving projects, unless otherwise noted, derived from Caterpillar Handbook <br /> based on actual site conditions as measured from maps in permit application package. <br /> Task 1 - Backfill Mine #1 entry portals <br /> Number of openings (4), based on Map II-B-2 from permit application package. Dimensions <br /> from 1983 Division estimate. Permit @ V-D-3.a.; Rule 4.07.3 <br /> Production capability of dozer greatly derated to reflect difficulty of and care required in moving <br /> material in confined area and placing against block wall. <br /> Task 2 - Backfill Mine #1 fan portals <br /> Number of openings (2), based on Map II-13-2 from permit application package. Dimensions <br /> from 1983 Division estimate. Rule 4.07.3 <br /> Production capability of dozer greatly derated to reflect difficulty of and care required in moving <br /> material in confined area and placing against block wall. <br /> Task 3 - Backfill Mine #2 entry portals <br /> Number of openings identified on aerial photographs, dimensions from 1983 Division estimate. <br /> Permit @ V-D-3.a.; Rule 4.07.3 <br /> Production capability of dozer greatly derated to reflect difficulty of and care required in moving <br /> material in confined area and placing against block wall. <br /> Task 4 - Backfill Mine #2 fan portals <br /> Number of openings identified on aerial photographs, dimensions from 1983 Division estimate. <br /> Rule 4.07.3 <br /> Production capability of dozer greatly derated to reflect difficulty of and care required in moving <br /> material in confined area and placing against block wall. <br /> Task 5 - Backfill Mine #4 entry portals <br /> Number of openings (4) based on Map II-B-2 from permit application package. Dimensions <br /> from 1983 Division estimate. Permit @ V-D-3.a.; Rule 4.07.3 <br /> Production capability of dozer greatly derated to reflect difficulty of and care required in moving <br /> material in confined area and placing against block wall. <br />