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ASCE Standard 66 2017

ASCE Standard 66 2017

$59.58

ASCE Standard 66: Management Practices for Control of Erosion and Sediment from Construction Activities

Published By Publication Date Number of Pages
ASCE 2017 106
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Prepared by the Management Practice for the Control of Erosion and Sediment (MPCES) Standards Committee of the Standards Development Council of the Environmental and Water Resources Institute of the American Society of Civil Engineers Management Practices for Control of Erosion and Sediment from Construction Activities, Standard ANSI/ASCE/EWRI 66-17, establishes guidelines for controlling accelerated erosion caused by human activities at construction sites. Uncontrolled erosion is costly and accompanied by a host of financial, legal, and environmental problems. This Standard provides tools to ensure that the discharge of sediment does not significantly increase at a construction site compared with preconstruction conditions. Standard 66-17 offers step-by-step guidance for state and local officials looking to establish effective and cost-conscious programs to manage erosion and sediment. Topics include Sediment and erosion problems associated with construction activities; Regulations and permitting at federal, state, and local levels; Processes associated with erosion and sedimentation, and concepts for site planning; Concepts, practices, and standards for erosion and sediment control, including water conveyance measures, inlet and outlet protection, temporary in-stream measures, and dewatering practices; Erosion and sediment control plans, including plan components, preparation, site plan development, and evaluation; Guidance for specific construction situations, including road, utility, large and small commercial or industrial developments, and large- and small-scale residential developments; Inspection and maintenance; and Enforcement. Appendixes provide a model ordinance, a summary of U.S. regulations and programs, contacts for state erosion and sediment control regulatory agencies, a glossary, and a reference list. Standard 66-17 serves federal, state, and local environmental regulators, building code officials, construction managers, and site owners with straightforward guidance to minimize the effects of erosion and sediment near construction sites.

PDF Catalog

PDF Pages PDF Title
1 Cover
3 Copyright
6 CONTENTS
10 PREFACE
12 ACKNOWLEDGMENTS
14 1 INTRODUCTION AND SCOPE
1.1 Appropriate Documents
16 2 BACKGROUND
2.1 Erosion and Sediment Problems Associated with Construction Activities
17 2.2 Environmental Impacts of Sediment
2.2.1 In-stream and Off-stream Impacts
2.2.2 Specific Environmental Impacts
18 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
19 2.4.5 Miscellaneous Wastes
2.5 Economic Advantages of Compliance
2.6 Environmental Advantages of Compliance
20 3 REGULATIONS AND PERMITTING
3.1 Model Ordinance
3.2 Federal Regulations
3.2.1 NPDES Program (Phases I and II
21 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
22 4 CONTROL PROCESSES AND SITE PLANNING CONCEPTS
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
23 4.2.1 Climate / Rainfall (R
4.2.2 Soils and Soil Erodibility (K
4.2.3 Topography
24 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
25 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
26 5 CONTROL CONCEPTS, PRACTICES, AND STANDARDS
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
27 5.2.1.2 Topsoiling
5.2.2 Vegetative Stabilization
5.2.3 Blankets and Matting
28 5.2.4 Road Stabilization
5.2.4.1 Construction Road Stabilization
29 5.2.4.2 Stabilized Construction Entrances
30 5.2.4.3 Stabilized Construction Entrances with Wash Racks
5.3 Sediment Control Measures
5.3.1 Sediment Barriers
34 5.3.2 Sediment Traps
36 5.3.3 Sediment Basins
37 5.4 Water Conveyance Measures
5.4.1 Dikes and Diversions
38 5.4.2 Downdrains and Flumes
40 5.5 Grass or Lined Waterways
5.6 Inlet and Outlet Protection
5.6.1 Riprap Inflow Protection
42 5.6.2 Gabion Inflow Protection
43 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
44 5.7.1 Pump Around Practice
5.7.2 Culvert Pipe with Access Road
46 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
47 5.8.1 Removable Pumping Station
5.8.2 Sump Pit
49 5.8.3 Pumped Water Filter Bag
5.8.4 Sediment Tank
5.8.5 Dewatering Basin
51 5.9 Other Control Practices
5.9.1 Tree Protection
5.9.2 Dust Control
5.9.3 Chemical Soil Conditioners
54 6 EROSION AND SEDIMENT CONTROL PLAN
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
55 6.2.1 Identify Issues and Concerns and Develop Goals and Objectives
6.2.2 Collect Site Data
56 6.2.3 Analyze Site Data
57 6.2.4 Develop Site Plan
6.2.5 Identify, Screen, and Select BMPs
58 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
59 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
60 6.4.1 General Considerations
6.4.2 Site Stormwater
6.4.3 Vegetation
62 7 CONTROL GUIDANCE FOR SPECIFIC TYPES OF DEVELOPMENT
7.1 Road Construction Projects
7.2 Utility Construction
63 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
64 7.6 Residential Development, Large Scale
7.6.1 Bulk Grading Stage
7.6.2 Site Improvement Stage
7.6.3 Home Construction Stage
66 8 CONSTRUCTION INSPECTION AND MAINTENANCE
8.1 Inspector Guidance
8.1.1 Inspector Authority and Responsibilities
8.1.2 Conduct
8.1.3 Compliance
67 8.1.4 Violation Handling
8.2 Site Inspection
8.2.1 Inspection
8.2.2 Tolerances
8.2.3 Inspection Preparation
68 8.2.4 Preconstruction Conference
8.2.5 Office Preparation
8.2.6 Site Inspection
70 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
71 8.3.2 Inlet Protection
8.3.3 Sediment Traps and Barriers
72 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
74 9 ENFORCEMENT
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
75 9.3.2 Issuing a NOV
76 9.4 Stop Work Order
77 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
80 APPENDIX A – CONTROL OF EROSION AND SEDIMENT MODEL ORDINANCE
86 APPENDIX B – U.S. REGULATIONS AND PROGRAMS
92 APPENDIX C – STATE EROSION AND SEDIMENT CONTROL REGULATORY AGENCIES
WITHIN THE UNITED STATES
96 APPENDIX D – GLOSSARY
100 APPENDIX E – REFERENCES
104 INDEX

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ASCE Standard 66 2017
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