Westport
The purpose of this study was to find a solution to reduce or eliminate chronic dredging from RM 257.00 to RM 253.00 and produce a report that communicates the results of the Hydraulic Sediment Response (HSR) model study.
The goals of this study were to:
- Investigate and provide analysis on the existing flow mechanics causing the sedimentation problems.
- Evaluate a variety of remedial measures utilizing an HSR model with the objective of identifying the most effective and economical plan to reduce or eliminate sedimentation from RM 257.00 to RM 253.00. Six criteria were used to evaluate each alternative.
- The alternative should reduce or eliminate sedimentation at RM 257.00.
- The alternative should reduce or eliminate sedimentation at RM 256.00.
- The alternative should reduce or eliminate sedimentation at RM 255.00.
- The alternative should reduce or eliminate sedimentation at RM 253.50.
- The alternative should maintain the navigation channel requirements of at least 9 foot of depth and 300 foot of width.
- The alternative should avoid and minimize negative impacts to environmental features within the reach.
- Communicate to other engineers, river industry personnel, and environmental agency personnel the results of the HSR model tests and the plans for improvements.
