Big Creek Dam Alternative Analysis

The City of Newport is seeking a consultant to provide an alternative analysis for the Big Creek Dam Replacement Project. The project aims to replace two existing earthen dams that have been deemed unsafe by the Oregon Department of Water Resources, Dam Safety Program. The consultant will be responsible for evaluating the existing dams, assessing current water storage capacity and future needs, and identifying viable dam repair or replacement options. The consultant will also be required to provide a comprehensive alternative analysis, including a schedule, assignment of tasks, and a clear communication framework. The project is expected to last for 6 months, and the consultant will be required to work closely with City staff and stakeholders to ensure the project's success. Some key aspects of the project include: • Evaluating the existing upper and lower Big Creek Dams for structural integrity • Assessing current water storage capacity and future needs based on project growth and climate change • Evaluating alternative water sources, such as wells, desalination, and indirect and direct potable reuse • Evaluating alternatives for repair or replacement of the dams/reservoirs on Big Creek • Providing construction cost estimates for each alternative • Providing timelines for each option's useful life • Identifying advantages and disadvantages of each alternative