Pacific North West Projects

Anchorage, AK –  Maintenance Dredging

  • Anchorage, Alaska
  • USACE Alaska District
  • 2018 – 2020
  • Amber

About

Alaska and its geography make it isolated and in need of imports. Port of Alaska Anchorage is essential to the imports for Alaska making up 50 percent of all imports into the state. This project was completed with the USACE Alaska District.

The goal of this project was to dredge the collecting silt, gravel, and sand on the seafloor allowing vessels to traverse the port with ease. This was a multiple-year contract spanning 2018 to 2020. Amber, was the lead engineer on this project. Throughout the project, the contracted company provided surveying, dredging, and disposal of approximately 1,100,000 cubic yards of shoaled material per year over a three-year contract period.

This project also included transitional dredging of approximately 600,000 cubic yards of virgin material for Anchorage Harbor. With this disruption of materials throughout the project, training was obtained through environmental consultants to observe and plan for beluga whales in the area.

  • Seattle, WA – Environmental Remediation
  • Lower Duwamish
  • 1633,400 sq. ft.
  • Completed on schedule
  • Ranged from -17’ to -23’ MLLW

The project was located on the upper reach of Lower Duwamish Waterway, this project required remediation dredging. Members of the CES team provided project planning services and ensured the project was able to start on schedule, within budget, and aware of environmental concerns for the area.

Over the 633,400 square feet surface area with required the removal of approximately 122,800 CY.  The depths range ranged from -17’ to 23’ MLLW. Some excavation was required but the vast majority was dredged with a mechanical clamshell dredge. This was a major project awarded by King County at a Superfund site, requiring the use of a mechanical clamshell dredge with environmental containment systems.

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Long Beach, CA – Redevelopment

Long Beach with its longstanding as the second busiest port in the country is vital to the flow of goods from the Pacific into the US. This project on Pier E Berth E22 involved both demolition and construction

Oakland, CA – Maintenance Dredging

This project maintained the Oakland channel which receives 99% of containerized goods navigating to Northern California. The Oakland Harbor channel steers around 100,000 TEU into its ports every month.

Ventura Harbor, CA – Maintenance Dredging

This project was completed with USACE Los Angeles District in 2022. Amber was the lead engineer on this project. The equipment used throughout the project was a cutter suction dredge.