The Los Angeles-class fast-attack submarine USS Columbia (SSN 771) departs Pearl Harbor Naval Shipyard in May 2021 for sea trials. Credit: US Navy photo by Mass Communication Specialist 1st Class Michael B. Zingaro via US Navy Office of Information.

Naval Facilities Engineering Systems Command (NAVFAC) Pacific has awarded a $2.8bn task order to the Dragados/Hawaiian Dredging/Orion JV for the replacement of Dry Dock 3 at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF).

This task order was granted under an earlier-awarded indefinite-delivery/indefinite-quantity multiple-award construction contract.

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Under this five-year project, a graving dock will be constructed and designated Dry Dock 5 to support PHNSY in continuing to serve the US Navy in the future by maintaining and modernising the nuclear-powered submarines of the US Pacific Fleet.

Programme executive officer for industrial infrastructure Pete Lynch said: “As part of the [US] Navy’s Shipyard Infrastructure Optimization Program (SIOP), replacing Dry Dock 3 at Pearl Harbor Naval Shipyard is a critical enabler of increased naval capability.

“This project is a key investment in increasing capacity and modernising our nation’s public shipyards through upgraded dry docks and facilities, new equipment, and improved workflow.”

When the Los Angeles-class submarines are no longer in service, Dry Dock 3 will become obsolete.

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Constructed in 1942 at PHNSY & IMF, this dry dock will not be able to service larger surface ships or Virginia-class submarines.

Pearl Harbor Naval Shipyard Officer In Charge of Construction (OICC) commanding officer captain Steve Padhi said: “We look forward to working with Dragados/Hawaiian Dredging/Orion JV, Pearl Harbor Naval Shipyard, and all our stakeholders on this project over the next several years in order to deliver this critical capability to the Fleet.”

The US Navy is investing in shipyard infrastructure for nuclear-powered warships.

The navy established SIOP to boost throughput at the four public shipyards by upgrading and modernising their dry docks, updating their physical layout, and replacing old capital equipment with advanced, modern tools and technologies.