Comprehensive Review of Drainage Design Methods for Culvert, Open Channel and Storm Sewer Design
Dec 13 - 14, 2021 /
Course Code: 12-1206-ONL21
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
After participating in this course, you will be able to:
- Consider technical issues in design related to planning and environmental impact
- Enhance protection of property from flood damage and reduce pollution at a lower cost
- Select computer software that is most suitable to your application of urban drainage design
- Participate in public consultation meetings with confidence
- Employ design methodologies learned in the course on your next urban drainage project
Changes in land use affect urban drainage and present challenges for engineers who must deal with drainage planning, runoff analysis, storm sewer hydraulics and watercourse drainage within government regulations.
This course provides participants with a comprehensive understanding of culvert, open channel, and storm sewer design, and allows designers already in the field to update their knowledge. The course will also address the use of computer software for design work. Workshops will allow you to work through examples using different methodologies and available software.
- Drainage and stormwater design criteria
- Rainfall analyses
- Time of concentration equations
- Methods of computing rainfall losses
- Estimating flows for drainage design
- Workshop for estimating design discharges
- Open channel flow
- Design of open channels and storm sewers
- Design of culverts and bridge openings
- Drainage design software
Who Should Attend:
Municipal Engineers and Managers • Planners • Civil Engineers • Environmental Engineers • Designers • Project Managers • Hydraulic Engineers • Technicians and Technologists
Special Features & Requirements
Please download and install the following information:
- Environment Canada databases are available through this link https://climatedata.ca/explore/variable/?var=idf/
- Environment Canada stream gauging database HYDAT: https://www.canada.ca/en/environment-climate-change/services/water-overview/quantity/monitoring/survey/data-products-services/explorer.html
Please test the installed software. When it opens do you see a map of Canada with a lot of green dots? - If yes, then you have been successful. - If no, then please open a File Explorer and go to the folder where the EC Software was installed. Typically this will be C:/Program Files (x86)/EC/ECDataExplorer/Support. In this folder will be a program from Microsoft, AccessRuntime.exe. Please run this program to install a Microsoft Access Database viewer that is used by the Environment Canada Data Explorer. Test the Data Explorer again to confirm that the map of Canada and the green dots appear. If they appear the program has been successfully installed.
- IDF Data - Environment Canada has made some changes for the IDF data. Here are their latest set of instructions. Note for everyone, that the Google App is no longer available and that the link as shown should be used to access the information. -Instructor suggests that the link be placed on the desktop to allow for easy access.
- Stream Gauging software. Please test the installed software. When it opens do you see a map of Canada with a lot of green dots? - If yes, then you have been successful. - If no, then please open a File Explorer and go to the folder where the EC Software was installed. Typically this will be C:/Program Files (x86)/EC/ECDataExplorer/Support. In this folder will be a program from Microsoft AccessRuntime.exe. Please run this to install a Microsoft Access Database viewer that is used by the Environment Canada Data Explorer. Then test the Data Explorer again to confirm that the map of Canada and the green dots appear. The program has been successfully set up.
Time: 10:00 AM - 6:00 PM Eastern Time
Please note: You can check other time zones here.
Welcome, Introduction, Course Preview, Learning Outcomes and the Assessment Method
Basic Hydrology – Refresher and Workshop
- Review of drainage concepts and needs
- Stormwater design criteria and level of service
- Design storms or floods-how to cope with lack of long and reliable data sets
- Storm frequencies-the danger of extrapolation
- Intensity-Duration-Frequency (IDF) data
- Historical storms
- Storm distribution in time
Drainage and Stormwater Design Criteria-Are We Playing Russian Roulette?
- Flood control-risks, liability and the unknown effect of climate change
- Water quality control
- Erosion control
- Water balance, recharge and thermal warming criteria-why is it so difficult to meet the criteria?
Time of Concentration –Review of Design Equations, Charts and Their Limitations
- Bransby Williams equation
- Kirpich equation
- Airport formula
Methods of Computing Rainfall Losses
- Use of runoff coefficients
- SCS curve number method
- Horton infiltration method
Workshop for Estimating Flows in Drainage Design
- Use of Rational Method for estimating design discharge
- Use of Statistical analyses of observed data to estimate design discharge
Open Channel Flow
- Basic laws of hydraulics
- Types of flows
- Manning's equation
- Roughness coefficients
- Stream erosion and threshold velocities
- Effect of urbanization on stream hydraulics
Design of Open Channels
- Manning’s equation
- Stable channels
- Composite channels
- Triangular channels and gutters
- Examples from Day Workshop
Design of Storm Sewers
- Gravity flow sewers
- Hydraulic losses
- Simple spreadsheet design approach
- Examples from Day 1 Workshop
Design of Culverts and Bridge Openings
- Culverts, inlet and outlet control
- Use of design charts
- Workshop examples
Drainage Design Software – A Review
- Available software tools
- Software selection
Questions and Answers, Feedback on Achievement of Learning Outcomes
Concluding Remarks and Final Adjournment
Jim is a water infrastructure specialist with over 40 years of experience in the fields of water resources and civil engineering. Jim has been responsible for a variety of projects from planning studies that establish design criteria to detailed flood relief designs of complex hydraulic systems and municipal infrastructure.
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Fee & Credits
$1295 + taxes
- 1.4 Continuing Education Units (CEUs)
- 14 Professional Development Hours (PDHs)
- ECAA Annual Professional Development Points
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