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<br />e <br /> <br />6.2 Armoring Structures - 67 <br />6.2.1 Riprap Sizing and Design - 68 <br />6.2.2 Drainage Control and Underiayments - 69 <br />6.2.3 Scour Pro_n. 70 <br />6.3 Flow Deflection Structures - 71 <br />6.3.1 Structure Components - 71 <br />6.3.2 Spacing and Length Considerations - 71 <br />6.3.3 Frequency 01 OverIopping - 73 <br />6.3.4 Deposition Pallems - 73 <br />6.4 Force Reduction Methods - 73 <br />6.4.1 Genlflll Considerations - 73 <br />6.4.2 Grade Conlrol Sl/Uc\ures - n <br />6.4.3 PoraIIeI Fencing - n <br />6.4.4 Channel Cutoffs - 78 <br />6.4.5 Island Clearing and Channel Snagging - 78 <br />6.5 Slope Stabilization - 78 <br />6.5.1 Grading - 78 <br />6.5.2 Drainage - 79 <br />6.5.3 Relaining Structures. 79 <br />6.6 Vegetation - 80 <br /> <br />6.7 Environmental Features - 84 <br /> <br />6.8 Summary - 84 <br /> <br />CHAPTER 7 <br /> <br />Construction, Operation, and Maintenance 85 <br /> <br />7.1 Inlroduction - 85 <br /> <br />7.2 Construction Considetations - 85 <br />7.2.1 Equipment - 85 <br />7.2.2 Methods - 86 <br />7.2.3 Cluality Conlrol - 86 <br />7.3 Operation - 86 <br /> <br />7.4 Maintenance - 86 <br />7.4.1 Posl-Conslruclion Evaluation - 87 <br />7.4.2 Instrumenlation and Monitoring - 87 <br />7.4.3 Inspection - 87 <br />7.4.4 Mainl8nance Requirements - 88 <br />7.5 Summary 89 <br /> <br />. <br /> <br />Colorado Erosion Control Manual <br /> <br />v <br />