Design of Urban Drainage and Stormwater Management Facilities Workshop

Webinaire / les 25 et 26 juin 2024 /
Code : 15-0616-ONL24

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Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

10:00 am to 6:00 pm Eastern (Will include the usual breaks)

After attending this course, you will be able to:

  • Strengthen your skills in urban drainage system design
  • Apply your knowledge of basic hydrology and hydraulics to drainage design problems
  • Develop a better understanding of technical design issues by focusing on related planning and environmental impact considerations
  • Apply your learnt techniques to enhance the protection of property owners from flood drainage and reduce pollution at a lower cost

To design an effective urban drainage and stormwater management system, knowledge of the technical design principles for each system component is required. After a brief refresher of basic hydrology, this course focuses on the practical application of sound planning and design practices, as well as specific stormwater management techniques and the latest trends toward alternative green infrastructure designs.

Case studies will be presented to demonstrate, in practical terms, the pros and cons of alternative strategies, how to avoid pitfalls and the characteristics of successfully designed systems. The uniqueness of this course is its emphasis on hands-on exercises for designing the various components of drainage and stormwater management systems.

Course Outline

  • Drainage & stormwater design criteria
  • Rainfall analyses
  • Hydrology methods of computing runoff
  • Hydraulic design of open channel flow
  • Alternative practices and green infrastructure designs
  • How to select facilities
  • Review of drainage design software
  • Writing and reviewing design reports
  • Workshop and Examples

Who Should Attend
Those involved with drainage and stormwater facilities, including:
Municipal Engineers • Consultants • Developers • Planners • Technical personnel

Special Features & Requirements 

Please download and install the following information:

Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

10:00 am to 6:00 pm Eastern (Will include the usual breaks)

Horaire : 10:00 AM - 6:00 PM EDT

Exigences techniques

Pour les utilisateurs de PC
OS: Windows 7, 8, 10 ou plus récent

Navigateur :
IE 11 ou plus récent, Edge 12 ou plus récent, Firefox 27 ou plus récent, Chrome 30 ou plus récent

Pour les utilisateurs de Macintosh
OS: MacOS 10.7 ou plus récent

Navigateur :
Safari 7+, Firefox 27+, Chrome 30+

OS: iOS 8 ou plus récent

OS: Android 4.0 ou supérieur

voir le programme complet


Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

10:00 am to 6:00 pm Eastern (Will include the usual breaks)

Day I

Welcome, Introduction, Workshop Preview, Learning Outcomes & the Assessment Method

Quick Review of Basic Hydrology

Drainage & Stormwater Design Criteria

  • Impacts of Urbanization
  • Rate control for flood management
  • Volume Control
  • Water balance, recharge & base flow criteria
  • Water quality control
  • Erosion control
  • Other Criteria & Considerations

Rainfall Analyses

  • Intensity-Duration-Frequency (IDF) data
  • Storm distribution in time
  • Historical storms
  • Storm frequencies
  • Design storms
  • Flood frequencies

Time of Concentration – Review of Design Equations & Selection

  • Bransby Williams Equation
  • Kirpich Equation
  • Airport Formula

Hydrology - Methods of Computing Runoff & Design Flows

  • Rational Method
  • Hydrograph Method
  • Computer models, data, and inputs
  • Runoff coefficients
  • Estimating discharge using recorded stream flow

Quick Review of Open Channel Flow

Basic Hydraulics

  • Basic laws of hydraulics
  • Types of flows
  • Manning’s Equation
  • Roughness coefficients
  • Backwater Effects
  • Stream Erosion & Threshold velocities
  • Effect of Urbanization on stream hydraulics

Hydraulic Design of Open Channel Flow

  • Manning’s Equation
  • Stable Channels
  • Composite Channels
  • Triangular Channels & Gutters
  • Closed conduits
  • Culverts & Bridges

Alternative Stormwater Best Management Practices

  • Lot controls
  • Conveyance controls
  • End of Pipe controls
  • Miscellaneous controls

Day II

Stormwater System Design Basics

  • Major-minor system design
  • Stormwater collection and inlets
  • Conveyance systems
  • Storage systems
  • Green Infrastructure / LID / BMP Designs
  • Stormwater Treatment Systems
  • Basic Steps in Drainage Analysis & Design

Review of Drainage Design Computer Software

  • Simple models compared to complex models
  • User expectations and required knowledge

Stormwater Management Design Reports

  • What to include for writers
  • What to expect from reviewers

Workshop Examples and Case Studies

  • Open Channel and Sewer Design
  • Storm Sewer System Design
  • Green Infrastructure / BMP Design

Questions & Answers & Feedback to Participants on Achievement of Learning Outcomes

Concluding Remarks & Final Adjournment


Nav Sandhu, P.Eng.

Nav Sandhu, P.Eng., is a Senior Water Resources Engineer with 20 years of experience.

He has extensive experience in stormwater management and drainage planning and design throughout Canada, ranging from servicing /planning studies to detailed design of complex systems. His stormwater infrastructure design experience includes storm sewer systems, culverts, above and below-ground detention and water quality facilities, diversion structures, control and outfall structures, infiltration systems, rip-rap protection works, and instream rehabilitation works. He’s also experienced in base-flow augmentation, source control/rainwater management and other LID systems-relatively new techniques that support sustainable design.

His stormwater engineering knowledge, municipal development, and highway experience make him an excellent resource for a range of clients. He has also provided expert opinions and reports on legal proceedings related to drainage throughout BC.


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