Engineering Support during Construction of River and Wetland Restoration Projects: Case Studies for Optimization
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
River and wetland restoration projects differ widely in the optimal level of engineering support required during construction. Virtually all restoration projects benefit from some on-site direction during construction; however, while some projects lend themselves well to "on-the-fly" design elements, other projects require much more detailed design plans and less variance from the designed placement of project features during construction. This paper discusses three restoration projects constructed in Oregon in the summer of 2007, each representing a differing project scale with varying levels of engineering involvement during construction. The projects are discussed in terms of their individual project features, including advantages and disadvantages of field-directed changes by feature. The case studies support the conclusion that in river and wetland restoration projects, particularly those projects involving significant amounts of revegetation, field input during construction from both a biologist and engineer is highly beneficial to the project, so long as the allowance for variation is written into the contract documents.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Case studies
- Construction engineering
- Construction management
- Ecological restoration
- Ecosystems
- Engineering fundamentals
- Environmental engineering
- Field tests
- Methodology (by type)
- Project management
- Research methods (by type)
- River engineering
- River systems
- Rivers and streams
- Tests (by type)
- Water and water resources
- Wetlands (fresh water)
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