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### Drainage Manual Chapters 11 & 12

Outlet Protection Form
 Chapter 11 Storm Drainage Systems Overview, Introduction, Inadequate Drainage, System Planning, Costs Symbols And Definitions Concept Definitions System Planning Introduction, General Design Approach, Required Data, Preliminary Sketch, Special Considerations, ConnDEP Requirements, Documentation Hydrology Introduction, Rational Method, Runoff Coefficient, Rainfall Intensity, Time of Concentration, Detention Storage Pavement Drainage Introduction, Longitudinal Slope, Cross Slope,  Roadside and Median Channels,  Bridge Decks, Hydroplaning, Underdrains Design Frequency and Spread Inlets General, Standard ConnDOT Inlets, Standard ConnDOT Grates, Inlets on Grade, Inlets at Low Points, Curbing, Inlet Locations Gutter Flow Calculations Introduction, Manning's n for Pavements, Uniform Cross Slope Procedure,  Composite Gutter Sections Procedure,  V Type Gutter Sections Procedure, Grate Inlets in a Sag, Slotted Inlets on Grade, Slotted Inlets in a Sag,   Inlet Spacing Computations (Gutter Flow Analysis),  Low Point Analysis Computations Manholes Location, Spacing, Standard ConnDOT Manholes (Standard Sheet M507-A),  Sizing Storm Drains Introduction,  General Guidelines,  Outlets,  Bridge Deck Outlets,  Storm Drainage System Design Procedures,  Check Storm for Sag Point,  Hydraulic Capacity Hydraulic Grade Line Introduction,  Tailwater, Exit Loss,  Bend Loss,  Pipe Friction Losses,  Structure Losses, Hydraulic Grade Line Design Procedure Outlet Protection Assessment of Erosion Potential, Types of Outlet Protection, Design Criteria, Tailwater Depth, Apron Dimensions, Preformed Scour Hole, Design Procedure for Riprap Outlet Protection References Typical Grading for Type "C-L" Catch Basins Located in a Swale Water Quality Flow (WQF) and Flow Diversion Guidance Chapter 12 Pump Stations Overview, Introduction, Design Considerations Symbols And Definitions Design Considerations Location, Hydrology, Collection Systems, Station Types, Pump Types, Submergence, Water-Level Sensors, Power, Discharge System, Flap Gates And Valving, Trash Racks And Grit Chambers, Ventilation, Roof Hatches And Monorails, Equipment Certification And Testing, Monitoring, Hazardous Spills Additional Considerations Construction, Maintenance, Retrofitting Stations, Safety, Environmental Recommend Design Criteria Objective, Station Type And Depth, Power, Discharge Head And System Curve, Main Pumps, Standby/Spare Pumps, Storage, Sump Pumps, Wet Well Design, Stormwater Pump Station Storage Design Procedure Introduction, Pump Station DesignDocumentation Philosophy References