2016-01-07_PERMIT FILE - C2010089A (5)

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Access Roads Under the definition of Access Roads provided in Section 1.04 of the Rules, there are no access roads on the site. There are 3 Haul Roads for the NHN permit area. Light -Use Roads At the NHN Mine, light -use roads will only be used on an intermittent basis for purposes other than transportation of coal including, but not limited to, roads used for monitoring and periodic maintenance of monitoring facilities and reclamation areas, intermittent equipment passage from one mine area to another mine area, or other occasional use. General Requirements WFC will construct, maintain and reclaim light -use roads to minimize erosion and siltation, air and water pollution and damage to public and private property. To the extent possible, using the best technology currently available, light -use roads will not cause damage to fish, wildlife, or related environmental values and will not cause additional contributions of suspended solids to stream flow or to runoff outside the permit area. Any such contribution shall not exceed the limitations of State or Federal law. The light -use roads at the mine site will be designed with appropriate ditches, grades and culverts to control erosion and runoff. All light -use roads will be constructed basically "on -grade" and the location will be partially limited by the grades of the existing or postmining areas. Stream fords will not be used during construction of roads unless approval is first obtained from the regulatory authority. Location WFC will locate light -use roads on ridges or on a stable slope in order to minimize erosion. No part of any light use road will be located in the channel of an ephemeral stream where the upstream watershed is larger than one square mile and in intermittent or perennial streams unless specifically approved by the DRMS. Stream fords of an ephemeral stream when the upstream watershed is larger than one square mile and intermittent or perennial stream will be approved by the DRMS before construction proceeds. All other stream crossings will consist of culverts in flowing streams, consistently wet areas, and in ephemeral channels as necessary to allow passage and to minimize disturbance of the hydrologic balance. Light -use roads will utilize culverts designed to safely pass the 10 -year, 24-hour precipitation event. Ditches and drainage control will be established during construction and maintenance of the roads to minimize erosion and to assist traffic passage. Design and Construction Light -use roads will be field engineered to follow the existing topography as much as practicable. Topsoil will be removed and stockpiled in accordance with WFC's topsoil salvage plan. The horizontal and vertical alignment will be dictated by the topography and the need to avoid obstructions. Light -use road surfacing material will be Section 2.05.3(3) Page 10 Sept. 2015 (TR -11)