Drainage Manual Chapters 8 thru 10
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Chapter 8 |
Introduction, Purpose, Concepts, Symbols | |
| Design Practices |
ConnDOT, ConnDEP Requirement | |
| Design Criteria |
Structural Alternatives, Bridge or Culvert, Allowable Headwater, Review Headwater, Tailwater Relationship-Channel, Tailwater Relationship-Confluence with a Main Stream or Large Water Body, Minimum Culvert Size, Maximum Velocity, Minimum Velocity, Storage-Temporary or Permanent, Flood Frequency, Documentation | |
| Design Features |
Culvert Sizes and Shape, Multiple Barrels, Material Selection, Culvert Skew, End Treatment (Inlet or Outlet) | |
| Related Designs |
Buoyancy Protection, Outlet Protection, Relief Opening, Erosion And Sediment Control, Environmental Considerations And Fishery Protection, Design Philosophy, Performance Curves | |
| Design Equations |
General, Approach, Inlet Control, Outlet Control, Hydraulics (Outlet Control), Outlet Velocity | |
| Erosion, Sedimentation, and Debris Control |
Introduction, Scour at Inlets, Scour at Outlets, Sedimentation, Assessment of Erosion Potential | |
| Roadway Overtopping |
General, Length, Total Flow | |
| Performance Curves |
Inlet, Outlet, Roadway, Overall | |
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Introduction, Routing Equations, Design Procedure | ||
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General, Side-tapered, Slope-tapered Inlets, Hydraulic Design, Design Methods | ||
| References | ||
| Appendix A - Recommended Manning's n Values | ||
| Appendix B - Entrance Loss Coefficients (Outlet Control, Full or Partly Full) | ||
| Appendix C - Culvert Design Form | ||
| Appendix D - Tapered Inlet Design Form | ||
| Appendix E - Mitered Inlet Design Form | ||
| Appendix F - Field Investigation Form | ||
| Appendix G - Culvert Design Data Form | ||
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|
Chapter 9 |
Bridges |
Introduction, Purpose of Chapter, Structural Alternatives, Bridge or Culvert |
| Design Practices |
ConnDOT Design Practices, ConnDOT Practice-Substructures for Bridges over Waterways, ConnDEP Requirements, Flood Management Definitions | |
|
AASHTO General Criteria, ConnDOT General Criteria, Minor Structures, Small Structures, Intermediate Structures, Large Structures, Monumental Structures, Tidal Structures, Documentation | ||
| Design Procedure |
Survey Accuracy (Computation Method), Design Procedure Outline, Hydraulic Performance of Bridges, Methodologies, Coastal or Tidally Influenced Waterways | |
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Introduction, General Discussion ConnDOT Bridges, Data Available Through ConnDOT Scour Program, Scour Types, Engineering Judgement-A discussion of predicted local scour depths at abutments in Connecticut, Armoring, Scour Resistant Materials, Scour Evaluation Studies for ConnDOT Projects | ||
| Philosophy |
Introduction, Location of Stream Crossing, Coordination, Permits, Approvals, Environmental Considerations, Stream Morphology, Data Collection, Risk Evaluation, Scour, Preventive/Protection Measures, Deck Drainage, Construction/Maintenance | |
| References | ||
| Appendix A - Forms (Field Investigation and Hydraulic Data) | ||
| Appendix B - Amended Local Abutment Scour Equations for Connecticut | ||
| Appendix C - Bridge Scour Evaluation Report Format | ||
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Chapter 10 |
Storage Facilities | Introduction, Overview, Location Considerations, Detention And Retention, Computer Programs |
| Uses | Introduction, Quality, Quantity, Objectives, Downstream Effects | |
| Symbols And Definitions | ||
| Design Criteria | General Criteria, Release Rate, Storage, Grading And Depth, Outlet Works, Location | |
| Safe Dams Act | Background, Classification, New Dams, Planning Considerations | |
| Preliminary Computations | Data Required, Estimating Required Storage, Hydrograph Method, Triangular Hydrograph Method, NRCS Procedure, Regression Equation, Estimating Peak Flow Reduction | |
| Stage-Storage Relationship |
General, Rectangular Basins, Trapezoidal Basins, Pipes and Conduits, Natural Basins | |
| Outlet Hydraulics | General, Orifices, Weirs, Weirs (cont.), Discharge Pipes, Emergency Spillway, Composite Stage Discharge Curves | |
| Routing Procedure | ||
| Temporary Sediment Basin | ||
| Dry Pond (Detention Basin) | Introduction, Design | |
| Wet Pond (Retention Basin) | Introduction, Design | |
| Infiltration Controls | Introduction, Site Selection, Infiltration Trench, Infiltration Basin | |
| Land-Locked Retention | Introduction, Mass Routing | |
| Construction And Maintenance Considerations | ||
| Protective Treatment-Fencing | ||
| References | ||