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_USDA united States Natural Resources Conservation Service <br /> Department of <br /> Agriculture <br /> Operation & Maintenance Plan <br /> Streambank and Shoreline Protection (Code 580) <br /> Landowner/Operator: Ron Helm Date: 6/20/22 <br /> NRCS Service Center: Macon Conservation District: Macon <br /> Practice Location: T17N R 3E Sec. 14 Tract/Field ID:n/a <br /> (Lat/Long or UTM Coord,or Sec/TS/R) <br /> Expected Lifespan <br /> The minimum expected lifespan of this practice is at least 20 years. <br /> Follow the operation and maintenance plan below to keep your streambank stabilization measures <br /> functioning as intended: <br /> • Inspect treated areas and associated practices annually, after significant storm events, and after <br /> ice flow to identify repair and maintenance needs. <br /> • Check all rock riprap sections for accelerated weathering and displacement. Replace to original <br /> grades if necessary. Some movement of smaller stone and sorting of material is expected. <br /> • If any crest stones(large rocks used to form the center ridge of a rock riffle or stream barb)are <br /> displaced,the structure should be repaired immediately. <br /> • Periodically inspect the bank area above the rock keys. If any settlement or displacement of the <br /> earth fill is observed, the settled area should be promptly refilled and compacted to prevent the <br /> formation of a surface flow channel that would erode the supporting bank material. <br /> • All settlement or cracks in the soil should be investigated to determine the cause and immediately <br /> repaired. <br /> • Remove any debris that accumulates at the protected section, and immediately upstream or <br /> downstream from the installed structures. <br /> • In cases where the bank is left in a near vertical position, expect continued bank failure until a <br /> stable slope is reached. <br /> • Natural regeneration of native vegetation including woody plants should be left intact to improve <br /> bank stability and wildlife habitat. <br /> • If fences are installed, they shall be maintained to prevent unauthorized human or livestock entry. <br /> • Control livestock access on unfenced areas. <br /> • Keep machinery away from steep side slopes. Keep equipment operators informed of all potential <br /> hazards. <br /> • Immediately repair any vandalism,vehicular, or livestock damage. <br /> NRCS, IL O&M-Page 1 of 2 February 2012 <br /> Page 165 of 221 <br />