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Sponsored by ASCE Continuing Education and the Coasts, Oceans, Ports and Rivers Institute (COPRI).
INSTRUCTORS:
William H. McAnally, Ph.D., P.E., D. NE, F.ASCE
Thomas J. Pokrefke, Jr, P.E., D.NE, M.ASCE
Purpose and Background
This webinar presents sustainable sediment management for navigation channels and ports. Navigation channels are the arteries through which economic prosperity flows, providing access to deep draft ships in coastal channels and shallow draft tows in inland waterways. In the U.S., 90 percent of import/export trade travels by ship and 26,000 miles of navigation channels serve thousands of ports and terminals from New York to Mobile to Seattle and as far inland as Lewiston, Idaho, St. Paul, Minnesota, and Pittsburg, Pennsylvania.
Channels must be wide and deep enough to safely accommodate vessel traffic, yet not so large as to require excessive dredging or habitat modification. Maintenance dredging is a major cost item and significant environmental impediment, imposing limits on existing navigation projects and sometimes prohibiting new projects. Knowledge of sustainable sediment management measures other than dredging and disposal is an essential element of navigation and sustainable engineering practice.
This webinar is one in a series designed by the COPRI Waterways Committee - Navigation Engineering Task Committee. The series presents an overarching picture of Navigation Engineering practice and principles and is tied to a series of ASCE Manuals of Practice.
Sustainable sediment management includes treating, preventing, and adapting to sedimentation in ports and channels while minimizing energy expenditures and environmental effects. Seven strategies are definted to achieve highly effective and sustainable navigation projects.
Learning Outcomes
- Review some basic sediment transport concepts
- Identify the characteristics of sustainable sediment management
- Learn to apply a systematic approach to managing navigation project sedimentation
- Obtain knowledge of some common structural and non-structural measures to reduce sedimentation issues in navigation facilities
- Learn what tools are available to design sustainable sediment management measures for navigation
- Non-engineers can follow the material if they have completed the Introduction to Navigation Engineering Webinar
Webinar Benefits
- Learn the 3 principles and 7 Strategies for solving sedimentation problems and how they achieve sustainability
- Examine typical sedimentation problems faced by port and waterway managers and how they are solved sustainably
- Learn how to evaluate the possible effects of sediment management, including criteria from Clean Water Act
- Explore case studies of successful sediment management approaches from around the world
Intended Audience
The webinar is useful to those who work in the private sector, engineers in the Corps of Engineers and other government agencies involved with navigation, and also to those who advise these organizations, such as attorneys. The discussion is technical, involving simple equations.
Webinar Outline
- Introduction and Overview
- Review Sedimentation Basics
- Typical Port and Channel Sediment Problems
- Sediment Management Methods
- Sustainability and Sediment Management
- Evaluating Sediment Management for Effectiveness and Sustainability