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<br /> <br />combination culvert and concrete ford may be used to pass the 2-year/24- <br />hour and the IU-year/24-hour storm events, respectively. This alternative <br />design is depicted on page 2.05-24, figure 2.05.3-12. Due to large, intense <br />precipitation, the steep grade of the terrain, and the preponderance of soils <br />with slow infiltration characteristics, this design is preferable. This <br />alternative design will in no way increase the potential for erosion. <br />(4.03.2(4)(e)(v)) <br />2. The landowner has requested the retention of the access road from Highway <br />12 to the coal loadout, as depicted on Map No. 2.05.3-1. This request can be <br />found in Exhibit ] 7. Retention of this section of road is compatible with the <br />approved post mining land use of rangeland. This road was also the pre- <br />existing road to access the ranch property. The running surface will be <br />reduced to 15 feet in the final configuration, with the remaining road area to <br />be ripped, topsoiled, reseeded and mulched. Cuts and fills will be blended to <br />conform to the natural topography prior to topsoiling and installed crossings <br />will be removed. The Division approves retention of the access road from <br />Highway l2 to the coal loadout. (4.03.2(1)(t)) <br />3. The designs of all proposed access roads have been certified by an <br />appropriately qualified engineer. The designs are based on geometric criteria <br />appropriate for the anticipated volume of traffic and weight and speed of <br />vehicles proposed. <br />4. All access roads will be located on ridges or on the most stable slopes to <br />minimize erosion. No part of any access road is located in the channel of an <br />ephemeral stream draining a watershed of at least 1 square mile, or in the <br />channel of intermittent or perennial streams, except at crossings. <br />5. Access roads have been designed in accordance with the regulatory <br />requirements pertaining to vertical alignment, horizontal alignment, width, <br />road cuts, and embankments. <br />6. Access road have been designed in accordance with the regulatory <br />requirements pertaining to drainage, surfacing and maintenance. <br />C. Light-Use Roads <br />Light-use roads are discussed in the permit application beginning on page 2.05-29 <br />and are shown on Map 2.05.3-1. Pre-existing light use roads will be left intact in <br />their existing condition following mining. Light use roads constructed during <br />mining will be reclaimed in the same manner as access roads upon completion of <br />mining. <br />II. Support Facilities <br />is <br />