Stormwater Management for Land Development: Methods and Calculations for Quantity Control

ACKNOWLEDGMENTS.

1 INTRODUCTION TO STORMWATER MANAGEMENT.

1.1 Introduction.

1.2 Effect of Land Development.

1.3 Stormwater Design Criteria.

1.4 Comprehensive and Innovative Design.

1.5 Book Organization.

2 FLUID PROPERTIES AND BASIC STATICS.

2.1 Introduction.

2.2 Units.

2.3 Fluid Properties.

2.4 Pressure.

2.5 Forces on Submerged Objects.

2.6 Buoyant Force.

3 FLUID FLOW.

3.1 Introduction.

3.2 Flow Rate.

3.3 Conservation of Mass.

3.4 Energy Methods.

3.5 Bernoulli Equation.

3.6 Energy Losses.

3.7 General Energy Equation.

3.8 The Orifice.

4 OPEN CHANNEL FLOW.

4.1 Introduction.

4.2 Flow Classifications.

4.3 Hydraulic Radius and Depth.

4.4 Flow Behavior.

4.5 Steady Uniform Flow.

4.6 Specific Energy and Critical Depth.

4.7 Channel Sizing.

4.8 Circular Conduits Flowing Full or Partially Full.

4.9 The Weir.

5 HYDROLOGY, WATERSHEDS, AND SOILS.

5.1 Introduction.

5.2 The Hydrologic Cycle and Water Budget.

5.3 Watersheds.

5.4 Soils and Infiltration.

5.5 Watershed versus Site Hydrology.

6 RAINFALL.

6.1 Introduction.

6.2 Rainfall Characteristics.

6.3 VDF and IDF Charts.

6.4 Design Storms.

7 TRAVEL TIME.

7.1 Introduction.

7.2 Time of Concentration.

7.3 Sheet Flow.

7.4 Concentrated Flow.

7.5 Mixed Sheet and Concentrated Flow.

7.6 Channel or Pipe Flow.

7.7 Segmental Flow Analysis.

7.8 NRCS Segmental Method.

7.9 NRCS Lag Equation.

7.10 Comparison of Methods.

8 RUNOFF DEPTH AND PEAK FLOW.

8.1 Introduction.

8.2 Runoff Curve Number Method.

8.3 NRCS Graphical Peak Discharge Method.

8.4 Rational Peak Flow.

9 HYDROGRAPHS.

9.1 Introduction.

9.2 Unit Hydrograph Concepts.

9.3 NRCS Dimensionless Unit Hydrograph.

9.4 Delmarva Unit Hydrograph.

9.5 NRCS Tabular Hydrograph.

9.6 Rational Hydrograph.

10 ROUTING METHODS.

10.1 Introduction.

10.2 Channel Routing.

10.3 Muskingum Channel Routing.

10.4 Muskingum-Cunge Channel Routing.

10.5 Modified Puls Basin Routing.

11 DRAINAGE CONVEYANCE AND CONTROL.

11.1 Introduction.

11.2 Swales and Open Channels.

11.3 Storm Sewer Design.

11.4 Culverts.

12 MULTIPLE-EVENT DETENTION DESIGN.

12.1 Introduction.

12.2 Detention Volume Estimates.

12.3 Multiple-Stage Outlet Flow Analysis.

12.4 Storage and Outlet Design Procedure.

12.5 Design Example.

APPENDIX A: DEVELOPMENT OF THE MANNING EQUATION.

APPENDIX B: DEVELOPMENT OF THE MUSKINGUM ROUTING EQUATIONS.

APPENDIX C: DETAILED CALCULATIONS FOR EXAMPLE 11.4.

APPENDIX D: MOODY DIAGRAM.

INDEX.