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'~DD~s~ Cater a`~ ~ ~ ~ f. ~ _ ' ~., -~ . ~~-~ ,~~ ~ ,r ,+h:,.~~. <br />~,C}Za, .~. ~1 .F s- ~k'T• ~?: .t t~'::~ ~., 'Y,~s7r~~.. .~ ~~~4 <br />>~ <br />. ~' <br />,, ;_ < .:,n...... , -.:... , . ~ ....:..:.: ~.~ .-.. ,. ~_;, .i ~ _ nom.:. xr .+f.. - <br />Top~c __~ ~~,~'= z ° ' `i~ilgst[CrK r~a;for ttie Pro{~+. ion, r ~ ~x~ ~''w~ ~..~ -"~.~-`~" - <br /> - <br />0 2509.25.) <br /> 24. All disturbed and inactive areas (cut/fill slopes) and soil BMI', <br /> stockpiles shall be seeded with a USFS approved WCPH (FSH <br /> temporary seed mixture within 7 days following 2509.25) <br /> disturbance to prevent noxious weed infestation and <br /> minimize erosion <br /> 25. All construction, reconstruction, and improvements will WCPH(FSH <br /> be stabilized by installation of drainage structures, where 2509.25) , <br /> determined appropriate by the responsible USFS official, Road Use <br /> concurrently with construction or maintenance activities. permit (FSM <br /> These structures shall be maintained for the duration of 2733.04b <br /> the project and shall not be removed, without approval, and FSM <br /> prior to reclamation of the disturbance. Any culverts will 7730) <br /> be sized to safely pass the runoff from a 25-year event <br /> and to withstand flows from a 50-year event. The USFS <br /> will approve culvert sizes and lengths. Filter material will <br /> be installed below drainage outlets and down slope from <br /> rolling dips. Riprap will be installed below culvert outlets <br /> when directed by the USFS. <br /> 26. At road intersections with existing drainages, which Road Use <br /> cannot be easily carried by use of a temporary culvert, Permit (FSM <br /> crossings will be established. The approaches to any 2733.04b <br /> crossing shall be armored by placing a minimum 8-inch and FSM <br /> depth of 1- to 3-inch clean crushed rock, 14 feet wide for 7730) <br /> a distance of 20 feet on each side of the drainage to WCPH (FSH <br /> minimize siltation, bank rutting, and erosion. Crossings 2509.25), <br /> will be constructed perpendicular to the flow line. When <br /> access is no longer needed, any temporary culverts, <br /> associated fill, and crushed rock shall be removed. Silt <br /> fences or appropriate sediment control devices shall be <br /> utilized to prevent siltation into existing drainages, ponds, <br /> or associated riparian areas. <br /> 27. The road surface will be constructed with an in-slope of 2 Road Use <br /> percent and the surface width shall not exceed 14. feet Permit (FSM <br /> except in locations that require curve widening, or those 2733.04b <br />. designated for turnouts. These locations must be and FSM <br /> identified on the ground and approved by the responsible 7730) <br /> USFS official. Side-casting will not be permitted where <br /> side slopes exceed 40 percent. <br />25 <br />