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M. SEDI LENT : Yes :vo B 'NIPs <br /> Drainage Structures: _ _ <br /> 8 ) . Are culverts with functional riser/sinker boards installed <br /> B1 <br /> on appropriate lateral and side ditch connections ? <br /> 9) . Are the culvert structures properly installed and maintained ? = B 1 <br /> Ditch Infrastructure <br /> 10 ) . Are there settling basins or sumps to trap sediment at field ditch 0 B2 <br /> connections to laterals and other main canals prior to discharge ? <br /> 11 ) . Are these basins maintained at an appropriate frequency ? I] B ? <br /> 12) . Are ditches and canals constructed with proper side J =' B3 <br /> bank stabilization methods ; i . e . sloping or shoring ? <br /> Ditch Management: <br /> 13 ) . Is vegetative cover maintained near canal or ditch banks ? ❑ El B4 , B5 <br /> 14 ) . Are there vegetative buffer strips maintained near environmentally ! = B4 <br /> sensitive lands ? <br /> 15 ) . Are measures taken to prevent side-bank erosion due to the flow ❑ 0 B8 <br /> of water directly down the sides of the banks (i . e . berms) ? <br /> 16 ) . Are riprap, concrete headwalls, sandbags, or wingwalls 0 0 B9 <br /> used to protect canal banks from erosion? <br /> Bed/Furroiv Management: <br /> 17 ) . Are water furrows properly shaped and grassed to prevent erosion, D 0 13101 <br /> Al -4 <br /> rutting, and other problems that may result in excess sediment <br /> transport off- site ? <br /> 18 ) . Is a narrow herbicide band maintained with a width appropriate 0 0 1311 <br /> for the size of the trees? <br /> 19) . Are vegetated water furrows, drain tiles, and settling basins used J 0 B10 - 14 <br /> to insure minimum movement of sediment to off- site water bodies ? <br /> Construction Activities: <br /> 30 ) . Are measures taken to prevent erosion (sediment loss) during 0 0 BIO , 15 <br /> earth- working activities (i . e . , hay bales or ribbon turbidity barriers) ? <br /> 3 <br />