Excavation and Trenching Services for Water Infrastructure

The contract is for excavation, trenching, and exploratory digging services required for the installation and repair of potable water infrastructure, including mains, vaults, and service lines. It is structured as a subcontract under the Marine Maintenance organization, which operates through the Port of Seattle, and the work is categorized under NAICS code 238990 for other specialty trade contractors. Performance of the work is expected to occur at locations under the jurisdiction of the Port of Seattle, though specific city or state details are not provided. The solicitation was posted on July 25, 2026, and further details, including submission requirements and technical specifications, can be accessed through the Port of Seattle’s online portal. This contract supports critical public utilities infrastructure and requires qualified contractors with experience in water system construction and rehabilitation.