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Existing Conditions Vs. Design Criteria of Rule 4.03. 1- <br /> Rule 4.03. 1 of the Mined Land Reclamation Rules and <br /> Regulations states in part that haul roads shall : <br /> - have an overall grade not to exceed 10%. <br /> - the maximum pitch shall not exceed 15%. <br /> - no more than 300 ' of pitch grade may exceed 10% <br /> within any consecutive 1000 ' . <br /> - haul roads shall have a horizontal alignment as <br /> consistent with the existing topography as <br /> Possible. <br /> - cut slopes shall not be steeper than 1v: 1 .5h in <br /> unconsolidated materials or iv:0.25h in rock. <br /> - fill slopes shall not be steeper than iv: 2h. <br /> - fill on natural slopes steeper than lv:5h shall <br /> be plowed, keyed or otherwise stabilized prior <br /> to fill placement. <br /> - be able to be effectively reclaimed. <br /> Figure 3 shows the different grades on each of the road <br /> segments. As will be noted, only 4% of the 15 miles of haul <br /> roads exceeds the grade and maximum pitch limitations of <br /> Rule 4.03. 1. The overall grade of each segment is less than <br /> 10%. <br /> The horizontal alignment of the roads follows the <br /> existing topography. All sections of the haul road were <br /> constructed on the most stable slope available. <br /> For the most part all of the cut and fill slopes exceed <br /> the limitations set forth in Rule 4.03. 1. In some cases <br /> however, especially near the mine portals, the existing <br /> grade above a cut and the existing grade below a fill are <br /> steeper than the aforementioned limitations. <br /> Reclamation Report - <br /> Geo-Hydro's report identified six different areas on <br /> the road system that may be difficult to reclaim. These <br /> areas are: <br /> 1) High soil cut in a road. <br /> 2) High rock cut in a mine bench. <br /> 3) High thick fill in a road. <br /> 4) High thick fill in a mine bench. <br /> 5) High thin sliver fill . <br /> 6) Severe erosion area. <br /> In 1984, test plots were established at the #4 Mine <br /> that were representative of the six problem ayes. My <br /> geotechnical investigation of these test plots proved that <br /> all of these problem areas could be effectively reclaimed. <br /> Reclamation consists of rounding the steep cut areas, <br /> reducing the upper slopes of the fill areas, and different <br />