FLOOD02395

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Basin: Statewide
• Title: Colorado Erosion Control Manual
• Date: 11/1/1992
• Prepared For: State of Colorado
• Prepared By: US Army Corps of Engineers
• Floodplain - Doc Type: Educational/Technical/Reference Information

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CHAPTER 7

6.2 Annoring Structures - 67
6,2,' Ri~rap Sizing and O.sign - 66
6.2.2 Drainage Control and UndEtrlayments - 69
6.2,3 Scour Pro\9Clion - 70
6.3 Flow Deftection StruCtures. 71
6.3.1 StJ'Ucture Components - "l1
6.3.2 Sf:acing and Length Considerations.. ~r1
6,3,3 Froquency of Overtopping - 73
6.3,4 O.~osition Patterns - 7'3
6.4 Force Reduction Methods - 73
6,4,' GlK1eral Considerations - 73
6.4.2 Grade Control Structurel>> - n'
6,4,3 Parallel Fencing. 77
6,4,4 Channel Cutoffs - 78
6,4,5 Island Clearing and Chann.al Snagging, 78
6.5 Slope Stlbilization - 78
6,5,' Gmding. 78
6,5,2 Drainage. 79
6.5.3 Rela.ining Structures.. j1}
6.6 Vegetation - 80

6.7 Environmental Features - 84

6.8 Summary - 84

Construction, Opera.tion, and Maintenance 85

7.1 In1roduc don - 85

7.2 Constrnaion Considerations - 85
7,2,' EqJipment, 85
7,2.2 Methods - 86
7,2,3 Quality Control - 86
7.3 Operation - 86

7.4 Mainterumce - 86
7.4.1 Po'st-Consb'Uction Evalunticln.. 87
7.4.2 Instrumentation and Monitoring - 87
7,4,3 Inspection. 87
7.4.4 Maintenance Requirements.. 88
7.5 Summary 89

Colorado Erosion Control Manual

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