Blue Coast Engineering is a full service coastal engineering firm, providing analysis, design and construction oversight services to our clients. We utilize leading edge design techniques and analysis tools to develop cost effective, sustainable solutions for our clients.
Areas of expertise include:
Blue Coast completed design for a cobble berm (i.e. dynamic revetment) at the Westport by the Sea (WBTS) condominium development on the Pacific Coast in Westport, WA. The purpose of the cobble berm is to provide short-term (< 5 years) shoreline protection at the WBTS properties for design storm events, in combination with an existing dune cap already constructed along the shoreline. Blue Coast also assisted with the permitting process and construction oversight. The project was constructed in winter 2021-2022.
Blue Coast is responsible for providing engineering support services for the Port of Kalama dredge program including technical studies for environmental review, providing engineering plans, technical specifications, bid package and construction support for dredging of deep-water berth and placement of material at in-water and beach nourishment sites. Blue Coast provides evaluation of monitoring surveys of dredge material placement at in-water and beach nourishment sites to evaluate fate and dispersion of sediment for environmental compliance. Blue Coast also evaluates large-scale hydrodynamics and sediment transport patterns in an annual monitoring report to assist with long range planning of site facilities at Port of Kalama.
Blue Coast assisted the City of Blaine with refining an existing design (in-line with existing permits) and developing a set of 90% and final design drawings and documents for a shoreline project. Blue Coast also assisted with developing the construction bid package and provided construction oversight for the project.
Blue Coast has been working since 2006 on this research program to determine shore impacts from passenger-only fast ferries operating between Seattle and Bremerton. Since 2006 there have been multiple phases of the study and work completed led to the selection of vessels to be used on the route. Some key aspects of the study included: evaluation of over 300 coastal structures to determine their interaction with beach morphology and vulnerability to wave forces, a field data collection program to provide multi-year measurements of biological, oceanographic, and geomorphic conditions to assess the coastal impacts of a fast ferry system, vessel wake modeling and in-situ testing, and continued monitoring of the shorelines after vessel operations commenced.
Blue Coast completed a wind-wave analysis for the Oakland Bay Marina located near Shelton, Washington. The Shelton Yacht Club is undertaking repair and redesign of the marina and has proposed to install a floating breakwater constructed of concrete pontoon floats placed around the north and east perimeter of the re-designed marina to provide protection from wind-waves, particularly from northeasterly winter storm events. Blue Coast completed a wind-wave climate analysis to demonstrate the for a concrete float breakwater. The analysis compared the existing wave climate against published design criteria for small craft harbors and provided preliminary guidance on the breakwater design parameters to improve the wave climate within the marina.
Blue Coast worked with GeoEngineers to conduct a coastal processes assessment and site characterization, including a geomorphic site assessment, wind climate analysis, wind-wave calculations, and extremal water levels at the Mutiny Bay boat launch on southern Whidbey Island. Island County Public Works maintains the boat launch and under the County’s maintenance permit issued by the Washington Department of Fish and Wildlife (WDFW), sediment and debris at the site are to be placed on the down-drift side of the boat launch and spread evenly. Recent complaints from nearby property owners prompted Public Works to identify best practices for clearing and placing the accumulated sediment. Blue Coast provided recommendations for best management practices.
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