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ASCE Standard: 45-46-47: Standard Guidelines for the Design, Installation, and Operation and Maintenance of Urban Stormwater Systems -, 2017
- CONTENTS
- STANDARD GUIDELINES FOR THE DESIGN OF URBAN STORMWATER SYSTEMS, ANSI/ASCE/EWRI 45-16 [Go to Page]
- CONTENTS [Go to Page]
- PREFACE
- ACKNOWLEDGMENTS
- CHAPTER 1: SCOPE [Go to Page]
- 1.1 Applicable Standards
- CHAPTER 2: DEFINITIONS [Go to Page]
- 2.1 General
- 2.2 Terms
- CHAPTER 3: SITE ANALYSIS [Go to Page]
- 3.1 Basic Requirements [Go to Page]
- 3.1.1 Topography
- 3.1.2 Geography
- 3.1.3 Water Table
- 3.1.4 Geology
- 3.1.5 Water Source
- 3.1.6 Soil Information [Go to Page]
- 3.1.6.1 Soil Classification
- 3.1.6.2 Hydraulic Conductivity and Permeability
- 3.1.6.3 Strata and Layers
- 3.1.6.4 Soil/Water Chemistry
- 3.1.6.5 Temperature
- 3.1.6.6 Soil Testing
- 3.1.7 Environmental Factors [Go to Page]
- 3.1.7.1 Water Quality
- 3.1.7.2 Flooding
- 3.1.7.3 Wetlands
- 3.1.7.4 Principal or Primary Aquifers
- 3.1.7.5 Hydrology
- 3.1.8 Physical Constraints
- 3.1.9 Land Use
- 3.1.10 Zoning Regulations
- 3.1.11 Other Governmental Regulations
- CHAPTER 4: HYDROLOGY [Go to Page]
- 4.1 Quantity [Go to Page]
- 4.1.1 Design Points and Return Periods
- 4.1.2 Runoff Determination Methods [Go to Page]
- 4.1.2.1 Statistical Methods
- 4.1.2.2 Regional Methods
- 4.1.2.3 Transfer Methods
- 4.1.2.4 Rainfall Runoff Methods
- 4.1.3 Design Rainfall
- 4.1.4 Rainfall Abstraction
- 4.1.5 Runoff Hydrographs
- 4.1.6 Rational Method [Go to Page]
- 4.1.6.1 Assumptions
- 4.1.6.2 Runoff Coefficient
- 4.1.7 Time of Concentration [Go to Page]
- 4.1.7.1 Sheet Flow
- 4.1.7.2 Shallow Concentrated Flow
- 4.1.7.3 Open Channel Flow
- 4.1.8 Hydrograph
- 4.1.9 Calibration
- 4.1.10 Historical Information
- 4.2 Water Quality [Go to Page]
- 4.2.1 Pollutant Sources
- 4.2.2 Water Quality Impacts
- 4.3 Rainfall Runoff Computer Models
- CHAPTER 5: NONSTRUCTURAL CONSIDERATIONS [Go to Page]
- 5.1 Wetlands
- 5.2 Floodplains
- 5.3 Forests and Riparian Buffers
- 5.4 Stream Bank Assessment
- 5.5 Site Planning
- CHAPTER 6: SYSTEM CONFIGURATION [Go to Page]
- 6.1 Collection System Types [Go to Page]
- 6.1.1 Pipes or Conduits
- 6.1.2 Inlet Structures
- 6.1.3 Drainage Ways
- 6.1.4 Streets
- 6.1.5 Flow Controls
- 6.1.6 Retention/Detention Facilities [Go to Page]
- 6.1.6.1 Wetlands
- 6.1.6.2 Impoundments
- 6.2 Special Structures [Go to Page]
- 6.2.1 Pumping Stations
- 6.2.2 Vaults
- 6.2.3 Manholes
- 6.2.4 Cleanouts
- 6.2.5 Equipment Access Shafts
- 6.3 Applications [Go to Page]
- 6.3.1 Location Requirements
- 6.3.2 Site Restrictions
- CHAPTER 7: HYDRAULIC DESIGN [Go to Page]
- 7.1 Hydraulic Principles [Go to Page]
- 7.1.1 Flow Classification.
- 7.1.2 Energy Principle.
- 7.1.3 Momentum Principle.
- 7.1.4 Conservation of Mass.
- 7.2 Elements of Hydraulic Analysis [Go to Page]
- 7.2.1 Normal Depth
- 7.2.2 Water Surface Profile Classification
- 7.2.3 Hydraulic Jump
- 7.2.4 Hydraulic Head Losses Because of Friction
- 7.2.5 Form Losses [Go to Page]
- 7.2.5.1 Transition Losses
- 7.2.5.2 Pipe Junction Losses
- 7.2.5.3 Bend Losses
- 7.3 Hydraulic Structures [Go to Page]
- 7.3.1 Stormwater Inlets
- 7.3.2 Culverts [Go to Page]
- 7.3.2.1 Opening Size Determination [Go to Page]
- 7.3.2.1.1 Flood Flow Determination
- 7.3.2.1.2 Downstream Hydraulic Conditions
- 7.3.2.1.3 Culvert Hydraulic Design
- 7.3.2.2 Special Considerations [Go to Page]
- 7.3.2.2.1 Flow Continuity
- 7.3.2.2.2 Stone Riprap Outlet Design
- 7.3.2.2.3 Joint Design
- 7.3.2.2.4 Utility Interference
- 7.3.2.2.5 Standard Details
- 7.3.2.2.6 Safety Considerations
- 7.3.2.2.7 Freeboard
- 7.3.2.2.8 Flow over Top of Road
- 7.3.2.2.9 Special Hydraulic Losses
- 7.3.3 Bridges
- 7.3.4 Spillways and Drop Structures
- 7.3.5 Energy Dissipation and Outlet Structures [Go to Page]
- 7.3.5.1 Straight Drop Spillways
- 7.3.5.2 Flip or Roller Bucket Spillways
- 7.3.5.3 Impact Stilling Basin
- 7.3.5.4 Hydraulic Jump Stilling Basins
- 7.3.5.5 Baffled Chute Spillway
- 7.3.5.6 Energy Dissipating Headwalls
- 7.3.6 Open-Channel Linings [Go to Page]
- 7.3.6.1 Vegetated Channels
- 7.3.6.2 Lined Channels
- 7.3.6.3 Mortared Masonry, Poured Concrete and Metal or Plastic Prefabricated Channels
- 7.3.7 Pumps [Go to Page]
- 7.3.7.1 Vertical Pumps
- 7.3.7.2 Submersible Pumps
- 7.3.7.3 Centrifugal Pumps
- 7.3.7.4 Screw Pumps
- 7.3.7.5 Volute or Angle Flow Pumps
- 7.3.7.6 Discharge Conduits
- 7.3.7.7 Stormwater Pumping Station Design [Go to Page]
- 7.3.7.7.1 Introduction
- 7.3.7.7.2 Generalized Solution
- 7.3.7.7.3 Comparison to Other Methods
- 7.3.7.7.4 Pump Operation
- 7.3.7.7.5 Example
- 7.3.7.7.6 Extension of the Method
- 7.3.7.7.7 More Generally
- 7.4 Hydraulic Analysis Procedures
- 7.5 Flow Routing [Go to Page]
- 7.5.1 Muskingum Method or the Kinematic Wave Technique
- 7.5.2 Modified Kinematic Wave Routing Method
- 7.5.3 Modified Puls Method
- 7.6 Computer Models
- CHAPTER 8: STRUCTURAL DESIGN OF STORMWATER SYSTEMS [Go to Page]
- 8.1 Loading [Go to Page]
- 8.1.1 Dead Loads [Go to Page]
- 8.1.1.1 Soil Loads
- 8.1.1.2 Pipe Weight
- 8.1.1.3 Internal Fluid Weight
- 8.1.1.4 Foundation Loads
- 8.1.1.5 Surcharge Loads
- 8.1.2 Live Loads [Go to Page]
- 8.1.2.1 Highway Loadings
- 8.1.2.2 Train Loads
- 8.1.2.3 Aircraft Loads
- 8.1.2.4 Internal Hydraulic Transient Loads
- 8.1.3 Construction Loads
- 8.1.4 Jacking Loads
- 8.1.5 Other Loads
- 8.2 Embedment
- 8.3 Pipe and Culvert Structural Requirements [Go to Page]
- 8.3.1 Concrete Pipe [Go to Page]
- 8.3.1.1 Concrete Pipe Design
- 8.3.1.2 Standard Installations
- 8.3.1.3 Indirect Design Method
- 8.3.1.4 Direct Design Method [Go to Page]
- 8.3.1.4.1 Pressure Distributions
- 8.3.1.4.2 Design Method
- 8.3.2 Flexible Pipe [Go to Page]
- 8.3.2.1 Metal Pipe [Go to Page]
- 8.3.2.1.1 Ring Compression Design
- 8.3.2.1.2 Allowable Stresses
- 8.3.2.1.3 Limitations of Steel Pipe with Longitudinal Seams
- 8.3.2.1.4 Standard Product Selection
- 8.3.2.2 Plastic Pipe Design [Go to Page]
- 8.3.2.2.1 Deflection
- 8.3.2.2.2 Buckling
- 8.3.2.2.3 Bending
- 8.3.3 Box Culverts [Go to Page]
- 8.3.3.1 Structural Plate Box Culverts
- 8.3.3.2 Reinforced Concrete Box Culvert, Precast
- 8.3.3.3 Reinforced Concrete Box Culvert, Cast-in-Place
- 8.3.4 Pipe Joints
- 8.3.5 Trenchless Technology [Go to Page]
- 8.3.5.1 Tunneling
- 8.3.5.2 Lining
- 8.3.6 Geosynthetics
- 8.4 Pipe Appurtenances and Other Structures [Go to Page]
- 8.4.1 Pipe Appurtenances
- 8.4.2 Other Structures
- CHAPTER 9: MATERIALS [Go to Page]
- 9.1 Environmental Considerations
- 9.2 Economic Considerations
- 9.3 Pipe and Culvert Materials [Go to Page]
- 9.3.1 Rigid Pipe [Go to Page]
- 9.3.1.1 Concrete Pipe
- 9.3.2 Metal Pipe
- 9.3.3 Thermoplastic Pipe [Go to Page]
- 9.3.3.1 Acrylonitrile-Butadiene-Styrene (ABS) Pipe
- 9.3.3.2 Polyethylene (PE) Pipe
- 9.3.3.3 Polyvinyl Chloride (PVC) Pipe
- 9.3.4 Box Culverts [Go to Page]
- 9.3.4.1 Reinforced Concrete Box Culverts, Precast
- 9.3.4.2 Structural Plate Box Culverts
- 9.3.5 Pipe Joints
- 9.4 Other Materials and Products
- CHAPTER 10: REGULATIONS AND PERMITS [Go to Page]
- 10.1 Regulations [Go to Page]
- 10.1.1 Urban Stormwater Systems
- 10.1.2 Urban Surface Drainage Systems
- 10.2 Permits [Go to Page]
- 10.2.1 Contract Documents
- 10.2.2 Terms and Provisions
- CHAPTER 11: REFERENCES [Go to Page]
- 11.1 Cited References
- 11.2 General References
- STANDARD GUIDELINES FOR THE INSTALLATION OF URBAN STORMWATER SYSTEMS, ANSI/ASCE/EWRI 46-16 [Go to Page]
- CONTENTS [Go to Page]
- FOREWORD
- ACKNOWLEDGMENTS
- CHAPTER 1: SCOPE
- CHAPTER 2: DEFINITIONS
- CHAPTER 3: CONTRACT DOCUMENTS [Go to Page]
- 3.1 Plans
- 3.2 Specifications
- 3.3 Other
- CHAPTER 4: PRECONSTRUCTION SITE INSPECTION [Go to Page]
- 4.1 Surface Features
- 4.2 Subsurface Features [Go to Page]
- 4.2.1 Utilities
- 4.2.2 Geologic Conditions
- CHAPTER 5: CONSTRUCTION [Go to Page]
- 5.1 Safety
- 5.2 Soil Erosion and Sediment Control
- 5.3 Site Preparation
- 5.4 Materials Receiving, Handling, and Storage
- 5.5 Line and Grade
- 5.6 Excavation [Go to Page]
- 5.6.1 Excavation Limits
- 5.6.2 Handling of Excavated Material
- 5.6.3 Sheathing and Shoring [Go to Page]
- 5.6.3.1 Trench Boxes with Subtrench
- 5.6.3.2 Trench Boxes without Subtrench
- 5.6.4 Dewatering
- 5.7 Foundation Preparation
- 5.8 Placement of Drainage Materials [Go to Page]
- 5.8.1 Pipe
- 5.8.2 Geocomposite Drainage Materials
- 5.8.3 Other Drainage Materials
- 5.9 Backfill
- 5.10 Site Restoration
- CHAPTER 6: INSPECTION [Go to Page]
- 6.1 Inspection of Materials [Go to Page]
- 6.1.1 Prefabricated or Premanufactured Components
- 6.1.2 Bedding, Backfill, and Envelope Materials
- 6.1.3 Storage of Materials
- 6.2 Inspection of Equipment [Go to Page]
- 6.2.1 Safety
- 6.2.2 Suitability and Conformance
- 6.3 Inspection of Construction [Go to Page]
- 6.3.1 Sequencing
- 6.3.2 Construction Layout
- 6.3.3 Excavation and Dewatering
- 6.3.4 Construction
- 6.3.5 Backfilling
- 6.3.6 Televising
- 6.3.7 Testing
- 6.4 Acceptance of Construction
- 6.5 Recording Observations
- 6.6 Record Drawings
- CHAPTER 7: REFERENCES
- APPENDIX A: INSPECTOR’S CHECKLIST FOR PRELIMINARY INSPECTION ACTIVITIES
- APPENDIX B: INSPECTOR’S CHECKLIST FOR CONSTRUCTION PROCEDURES
- STANDARD GUIDELINES FOR THE OPERATION AND MAINTENANCE OF URBAN STORMWATER SYSTEMS, ANSI/ASCE/EWRI 47-16 [Go to Page]
- CONTENTS [Go to Page]
- FOREWORD
- ACKNOWLEDGMENTS
- CHAPTER 1: SCOPE
- CHAPTER 2: DEFINITIONS
- CHAPTER 3: OPERATION AND MAINTENANCE PLAN [Go to Page]
- 3.1 Scope
- 3.2 Responsibilities
- 3.3 Design Criteria
- 3.4 Scheduled Procedures
- 3.5 Unscheduled Operating Procedures [Go to Page]
- 3.5.1 Line Blockage
- 3.5.2 Control Structure Blockage
- 3.5.3 Manholes and Catch Basin Blockage
- 3.5.4 Other Urban Stormwater System Components
- 3.6 Preventive Maintenance Procedures [Go to Page]
- 3.6.1 Checklists
- 3.6.2 Annual System Inspections
- 3.7 Safety [Go to Page]
- 3.7.1 Structures
- 3.7.2 Mechanical
- 3.7.3 Electrical
- 3.7.4 Underground Procedures
- 3.7.5 Other Safety Considerations
- CHAPTER 4: WATER QUALITY [Go to Page]
- 4.1 Environmental Indicators
- 4.2 Water Quality Standards
- CHAPTER 5: PERIODIC INSPECTION [Go to Page]
- 5.1 Underground Safety
- 5.2 Inspection [Go to Page]
- 5.2.1 Closed Conduits
- 5.2.2 Open Channels
- 5.2.3 Manholes and Confluence Structures
- 5.2.4 Catch Basins
- 5.2.5 Retention/Detention Ponds
- 5.2.6 Major Structures
- 5.2.7 Flapgates and Duckbill Backflow Preventers
- 5.2.8 Pump Stations
- CHAPTER 6: MAINTENANCE [Go to Page]
- 6.1 Cleaning
- 6.2 Electrical
- 6.3 Mechanical
- 6.4 Repair
- 6.5 Rehabilitation
- 6.6 Safety
- CHAPTER 7: APPLICABLE DOCUMENTS and REFERENCES
- INDEX [Go to Page]