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ASCE Standard 66: Management Practices for Control of Erosion and Sediment from Construction Activities, 2017
- Cover
- Copyright
- CONTENTS
- PREFACE
- ACKNOWLEDGMENTS
- 1 INTRODUCTION AND SCOPE [Go to Page]
- 1.1 Appropriate Documents
- 2 BACKGROUND [Go to Page]
- 2.1 Erosion and Sediment Problems Associated with Construction Activities
- 2.2 Environmental Impacts of Sediment
- 2.2.1 In-stream and Off-stream Impacts
- 2.2.2 Specific Environmental Impacts
- 2.3 Economic Impacts of Sediment
- 2.4 Other Potential Nonsediment Pollutants
- 2.4.1 Metals
- 2.4.2 Nutrients
- 2.4.3 Pesticides
- 2.4.4 Spills and Illegal Dumping of Construction Materials
- 2.4.5 Miscellaneous Wastes
- 2.5 Economic Advantages of Compliance
- 2.6 Environmental Advantages of Compliance
- 3 REGULATIONS AND PERMITTING [Go to Page]
- 3.1 Model Ordinance
- 3.2 Federal Regulations
- 3.2.1 NPDES Program (Phases I and II
- 3.2.2 Phase II Municipal Requirements
- 3.3 State and Local Regulations
- 3.3.1 Declaration of Purpose and Objectives
- 3.3.2 Definitions
- 3.3.3 Application Guidelines
- 3.3.4 Permit Requirements and Approval Process
- 3.3.5 Contents of an Erosion and Sediment Control Plan
- 3.3.6 Design Requirements
- 3.3.7 Inspection and Monitoring
- 3.3.8 Maintenance Requirements
- 3.3.9 Enforcement Procedures
- 3.3.10 Training and Certification
- 4 CONTROL PROCESSES AND SITE PLANNING CONCEPTS [Go to Page]
- 4.1 Erosion Processes
- 4.1.1 Raindrop Erosion
- 4.1.2 Sheet Erosion
- 4.1.3 Rill Erosion
- 4.1.4 Gully Erosion
- 4.1.5 Channel Erosion
- 4.2 Factors Influencing Erosion
- 4.2.1 Climate / Rainfall (R
- 4.2.2 Soils and Soil Erodibility (K
- 4.2.3 Topography
- 4.2.4 Vegetative Cover (C
- 4.2.5 Conservation Practices (P
- 4.3 Sedimentation
- 4.4 Site Planning Concepts
- 4.4.1 Plan the Development to Fit the Site
- 4.4.2 Determine the Limits of Clearing and Grading
- 4.4.3 Divide the Site into Natural Drainage Areas
- 4.4.4 Minimize the Area and Duration of Exposure
- 4.4.5 Apply Perimeter Control Practices
- 4.4.6 Apply Erosion Control Practices to Prevent Excessive On-Site Damage
- 4.4.7 Keep Runoff Velocities Low and Retain Runoff On Site
- 4.4.8 Stabilize Disturbed Areas Immediately
- 4.4.9 Implement a Thorough Maintenance and Follow-Up Program
- 4.4.10 Summary of Concepts
- 5 CONTROL CONCEPTS, PRACTICES, AND STANDARDS [Go to Page]
- 5.1 Erosion and Sediment Control Concepts
- 5.1.1 Erosion Control Practices
- 5.1.2 Sediment Control Practices
- 5.1.3 Operation and Maintenance
- 5.2 Erosion Control Practices
- 5.2.1 Site Preparation
- 5.2.1.1 Land Grading/Roughening
- 5.2.1.2 Topsoiling
- 5.2.2 Vegetative Stabilization
- 5.2.3 Blankets and Matting
- 5.2.4 Road Stabilization
- 5.2.4.1 Construction Road Stabilization
- 5.2.4.2 Stabilized Construction Entrances
- 5.2.4.3 Stabilized Construction Entrances with Wash Racks
- 5.3 Sediment Control Measures
- 5.3.1 Sediment Barriers
- 5.3.2 Sediment Traps
- 5.3.3 Sediment Basins
- 5.4 Water Conveyance Measures
- 5.4.1 Dikes and Diversions
- 5.4.2 Downdrains and Flumes
- 5.5 Grass or Lined Waterways
- 5.6 Inlet and Outlet Protection
- 5.6.1 Riprap Inflow Protection
- 5.6.2 Gabion Inflow Protection
- 5.6.3 Stone Check Dams
- 5.6.4 Stone Outlet Structures
- 5.6.5 Rock Outlet Protection
- 5.7 Temporary In-Stream Construction Measures
- 5.7.1 Pump Around Practice
- 5.7.2 Culvert Pipe with Access Road
- 5.7.3 Diversion Pipe
- 5.7.4 Channel Diversion
- 5.7.5 Fabric-Based Channel Diversion
- 5.7.6 Turbidity Curtain
- 5.8 Dewatering Practices
- 5.8.1 Removable Pumping Station
- 5.8.2 Sump Pit
- 5.8.3 Pumped Water Filter Bag
- 5.8.4 Sediment Tank
- 5.8.5 Dewatering Basin
- 5.9 Other Control Practices
- 5.9.1 Tree Protection
- 5.9.2 Dust Control
- 5.9.3 Chemical Soil Conditioners
- 6 EROSION AND SEDIMENT CONTROL PLAN [Go to Page]
- 6.1 Components of an Erosion and Sediment Control Plan
- 6.1.1 Narrative
- 6.1.2 Map/Site Plan
- 6.1.3 Construction Details, Specifications, and Notes
- 6.1.4 Calculations
- 6.2 Preparing an Erosion and Sediment Control Plan
- 6.2.1 Identify Issues and Concerns and Develop Goals and Objectives
- 6.2.2 Collect Site Data
- 6.2.3 Analyze Site Data
- 6.2.4 Develop Site Plan
- 6.2.5 Identify, Screen, and Select BMPs
- 6.3 Site Plan Development Concepts
- 6.3.1 Evaluate Site Drainage Patterns
- 6.3.2 Minimize Exposure
- 6.3.3 Retain Existing Vegetation
- 6.3.4 Stabilize and Protect Denuded Areas
- 6.3.5 Divert Runoff Away from Denuded Areas
- 6.3.6 Minimize Length and Steepness of Slopes
- 6.3.7 Prepare Conveyances and Outlets to Handle Concentrated or Increased flows
- 6.3.8 Trap Sediment On Site
- 6.3.9 Inspect and Maintain Control Measures
- 6.4 Evaluating an Erosion and Sediment Control Plan
- 6.4.1 General Considerations
- 6.4.2 Site Stormwater
- 6.4.3 Vegetation
- 7 CONTROL GUIDANCE FOR SPECIFIC TYPES OF DEVELOPMENT [Go to Page]
- 7.1 Road Construction Projects
- 7.2 Utility Construction
- 7.3 Commercial/Industrial Development, Small Scale
- 7.4 Commercial/Industrial Development, Large Scale
- 7.4.1 Phasing
- 7.4.2 Two-Stage Plans
- 7.5 Residential Development, Small Scale
- 7.6 Residential Development, Large Scale
- 7.6.1 Bulk Grading Stage
- 7.6.2 Site Improvement Stage
- 7.6.3 Home Construction Stage
- 8 CONSTRUCTION INSPECTION AND MAINTENANCE [Go to Page]
- 8.1 Inspector Guidance
- 8.1.1 Inspector Authority and Responsibilities
- 8.1.2 Conduct
- 8.1.3 Compliance
- 8.1.4 Violation Handling
- 8.2 Site Inspection
- 8.2.1 Inspection
- 8.2.2 Tolerances
- 8.2.3 Inspection Preparation
- 8.2.4 Preconstruction Conference
- 8.2.5 Office Preparation
- 8.2.6 Site Inspection
- 8.2.7 Causes of Noncompliance
- 8.2.8 Little or No Effort to Comply
- 8.2.9 Inadequate Design or Changes in Site Conditions
- 8.3 Inspection of Erosion and Sediment Control Practices
- 8.3.1 Entrances and Exits
- 8.3.2 Inlet Protection
- 8.3.3 Sediment Traps and Barriers
- 8.3.4 Perimeter Controls (Silt Fences
- 8.3.5 Stream Crossings
- 8.3.6 Buffer Zones
- 8.4 Maintenance
- 8.5 Inspecting Vegetation used for Erosion Control
- 8.5.1 Vegetation for Erosion Control
- 9 ENFORCEMENT [Go to Page]
- 9.1 General Guidelines
- 9.1.1 Available Remedies
- 9.1.2 Selecting Appropriate Remedies
- 9.1.3 Communication—An Asset to Enforcement
- 9.1.4 Additional Assistance in Determining Appropriate Remedy to Use
- 9.2 Failed Inspection Report
- 9.3 Notice of Violation
- 9.3.1 When to Use a NOV
- 9.3.2 Issuing a NOV
- 9.4 Stop Work Order
- 9.4.1 Posting SWO Forms
- 9.4.2 Serving of a SWO to Owner/Contractor at Site
- 9.4.3. Inability to Serve at the Site
- 9.5 Penalties
- APPENDIX A – CONTROL OF EROSION AND SEDIMENT MODEL ORDINANCE
- APPENDIX B – U.S. REGULATIONS AND PROGRAMS
- APPENDIX C – STATE EROSION AND SEDIMENT CONTROL REGULATORY AGENCIES
WITHIN THE UNITED STATES
- APPENDIX D – GLOSSARY
- APPENDIX E – REFERENCES
- INDEX [Go to Page]