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Table 2-1 Design Criteria Topic Design Criteria for the Proposed Action 9. For roadway section with 6 inches OR LESS of new structural Road Use surfacing section or existing surfacing sections with a y aggregate Permit (FSM segregation or contamination by intruding fine materi ls, no rutting, 2733.04b and pumping or plastic deformation of the roadway surfac will be FSM 7730) , allowed. Rutting, plastic deformation, or pumping of the surface BMP, will result in the proponent's operations, on that road, ceasing GMUG immediately and remaining shutdown until repairs and Forest improvements are made to prevent additional damagelto the Standard structural section. For surfacing sections with GREATER THAN 6 inches of new structural surfacing section any rutting pumping or plastic deformation in excess of structural section thickness (T) divided by 3 (T/3) will not be allowed and will result #n proponent's operations, on that road, ceasing immediately and re arcing shutdown until repairs and improvements are made to prevent additional rutting. 10. This T/3 limitation applies to any forest road utilized by the Road Use proponent, even if it is not part of the project area or transportation Permit (FSM plan. Once shutdown, operations will not resume until approved 2733.04b and repairs or improvements are made to resolve the problem. These FSM 7730) , limitations apply to any NFSR even if it is not included in the BMP, project area or transportation plan. GMUG Forest Standard 11. Previously approved ATV trails upgraded for project nse would Previous remain open following project completion and would be NEPA decommissioned to ATV trails. decision New roads 12. Light-use or low-volume (Service Level 3, 4 & 5) pulj lic roads Road Use (designed to applicable design standards based on Am erican Permit (FSM Association of State Highway and Transportation Offi cials 2733.04b and (AASHTO) "Guidelines for Geometric Design of Ver y Low- FSM 7730) , Volume Local Roads (ADT<400) Low Volume Roadl Standards) AASHTO and pads will be graveled. Surfacing access roads, inc luding open Design channel crossings of minor tributaries should utilize avel or Standard crushed rock on the running surface of the road to red ce ongoing erosion of the channels by vehicle traffic. 13. Although somewhat conflicting with direction regardi ng Lynx Water (LCAS), based on geologic instability and wet azeas v rarrant that Conservation new project specific roads will be laid out on top of ri dges (or the Practices top one-third of hillside). Handbook (WCPH) (FSH 2509.25) 14. Stream crossings will be minimized in number and en gineered to Federal Coal protect streams from sedimentation and erosion and ill Lease additionally be laid out at right angles to flow. Stipulation 1 CJ 24 Deer Creek Ventilation Shaft and E Sea i Methane Drainage Wells FEIS '