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2 <br />Table 2-l. <br />Design Criteria <br />Topic Design Criteria for the Proposed Action <br /> 23. Surface disturbance will be minimized to the extent reasonably Forest Plan, <br /> feasible in order to limit potential impacts. Soil that is removed 36 CFR 228 <br /> from all new disturbance areas will be windrowed or stockpiled for E, MCC <br /> use in reclamation. Topsoil will be segregated from subsoil and Project Plan, <br /> stored at a depth no greater than that prescribed by the Paonia Road Use <br /> District Ranger. No soil generated from excavation, slide removal Permit(FSM <br /> or other operations shall be deposited within the W1Z of any 2733.04b and <br /> drainage with flowing water. FSM 7730) , <br /> WCPH (FSH <br /> 2509.25) <br /> 24. All disturbed and inactive areas (cut/fill slopes) and soil stockpiles BMP, WCPH <br /> shall be seeded with a USFS approved temporary seed mixture (FSH <br /> within 7 days following disturbance to prevent noxious weed 2509.25) <br /> infestation and minimize erosion <br /> 25. All construction, reconstruction, and improvements will be WCPH(FSH <br /> stabilized by installation of drainage structures, where determined 2509.25) , <br /> appropriate by the responsible USFS official, concurrently with Road Use <br /> construction or maintenance activities. These structures shall be Permit (FSM <br /> maintained for the duration of the project and shall not be removed, 2733.04b and <br /> without approval, prior to reclamation of the disturbance. Any FSM 7730) <br /> culverts will be sized to safely pass the runoff from a 25-year event <br /> and to withstand flows from a 50-year event. The USFS will <br /> approve culvert sizes and lengths. Filter material will be installed <br /> below drainage outlets and down slope from rolling dips. Riprap <br /> will be installed below culvert outlets when directed by the USFS. <br /> 26. At road intersections with existing drainages, which cannot be Road Use <br /> easily carried by use of a temporary culvert, crossings will be Permit (FSM <br /> established. The approaches to any crossing shall be armored by 2733.04b and <br /> placing a minimum 8-inch depth of 1- to 3-inch clean crushed rock, FSM 7730) , <br /> 14 feet wide for a distance of 20 feet on each side of the drainage to WCPH (FSH <br /> minimize siltation, bank rutting, and erosion. Crossings will be 2509.25), <br /> constructed perpendicular to the flow line. When access is no <br /> longer needed, any temporary culverts, associated fill, and crushed <br /> rock shall be removed. Silt fences or appropriate sediment control <br /> devices shall be utilized to prevent siltation into existing drainages, <br /> ponds, or associated riparian areas. <br /> 27. The road surface will be constructed with an in-slope of 2 percent Road Use <br /> and the surface width shall not exceed 14 feet except in locations Permit (FSM <br /> that require curve widening, or those designated for turnouts. These 2733.04b and <br /> locations must be identified on the ground and approved by the FSM 7730) <br /> responsible USFS official. Side-casting will not be permitted where <br /> side slopes exceed 40 percent. <br /> <br />• <br />• <br />26 Deer Creek Ventilation Shaft and E Seam Methane Drainage Wells FEIS <br />