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SECTION 5.5: EROSION CONTROL <br />Materials <br />Installation <br />Maintenance <br />and Inspection <br />EC 8: BERWDIVERSION <br />• Berms and diversions should be constructed of compacted soil or coarse <br />aggregate. <br />• All berms shall have an uninterrupted positive grade to a stabilized <br />outlet. The outlet should be capable of conveying concentrated runoff <br />into an undisturbed, stabilized area at a non - erosive velocity. <br />• Berms shall be compacted as needed to prevent unequal settlement. <br />• Diversion channels shall be excavated or shaped to line, grade, and cross - <br />section as indicated in the plans and as required to meet the criteria as <br />specified. <br />• All trees, brush, stumps, obstructions, and other objectionable material <br />shall be removed and disposed of so as not to interfere with the proper <br />functioning of the diversion. <br />• Berms and diversion channels should be stabilized with riprap, turf <br />reinforcement or appropriate measure for protection against erosion and <br />failure. <br />• Inspection and maintenance must be provided periodically and after each <br />rain or snowfall event that causes runoff. <br />• Sediments accumulated against the berm should be removed periodically <br />and properly disposed of. <br />• Erosion along the berm should be repaired with the stabilization measure <br />re- established. <br />5-28 <br />