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Table 2-1 Design Criteria Topic Design Criteria for the Proposed Action 34. Where construction in or immediately adjacent to WI ~ cannot be BMP avoided, specific protection and mitigation measures csigncd to protect or restore riparian values will be implemented. These may include, but would not be limited to: use of silt fence, erms, straw bales, or other measures to minimize sediment contrib lions to the riparian area; use of geotextiles as a base for road fills to avoid disturbance of riparian soils; placement of appropriate drainage structures to maintain effective flows through the ripa ion area, stabilize slopes, and minimize erosion; recovery, sloe piling, and replacement of riparian soils by horizon where soil dis turbance is unavoidable; and use of a USFS approved riparian see d mix and riparian plantings. Sediment filters and traps must be sed, unless waived in writing by a USFS representative. Silt fend g alone will generally not be considered adequate. All sediment co trot structures must be routinely inspected and maintained ntil their function has been replaced by adequate reclamation pr actices. Road Operations 35. Minnesota Creek, Dry Fork, and Horse Gulch roads will continue to BMP be open for public full size vehicle and ATV use throughout the project. MCC will sign roads warning the public of hoary truck traffic during the active drilling season. 36. All project temporary roads will be closed to public motorized BMP vehicle use during the active drilling season and during the winter months. Motorized will be restricted to administratively approved traffic during this closure period. Locked gates and signs meeting USFS MUTCD requirements will be provided, install~d, and maintained by MCC at the intersections of the Horse Gulch and West Flatiron roads, the Dry Fork Road and Long Draw Saddle ATV Trail, the Dry Fork and Upper Deep Creek roads and any other locations designated by the USFS official. The drilling season is expected to end each year in September, at which tit~ne certain temporary roads will be open for public motorized used until snow conditions preclude use. The roads that will be open tq public motorized use in the fall include West Flatiron, Long Draw Saddle, and West Bench Roads. 37. By September 1, MCC will post warning signs, at locations BMP designated by the USFS, to wam hunters of dangers associated with increased traffic on roads resulting from project acttvdtes, drilling operations, and methane-venting. Depending on the lo~ation of drill rigs during the big game seasons (typically only during early seasons), additional temporary gates may need to be iq~stalled to prevent public ATV access to active drill sites. Roads Closed to public motorized use due to drilling or methane-venting operations shall be clearly posted as "closed" using signs with m'ps of the closure area and the reasons for closure. At each closu a location Manual of Uniform Traffic Control Devices (MUTCD approved road closure devices must be used. To minimize conflicts with hunters, project traffic will not be allowed on the Minnesota Creek, Horse Gulch, and Dry Fork roads (except for emergen~y use) 1 28 Deer Creek Ventilation Shaft and E Seam Methane Drainage Wells FEIS ,