Pearl Harbor Dry Dock 5 Advances Underwater Concrete and Waterfront Work

September construction on the P-209 Dry Dock 5 project at Joint Base Pearl Harbor-Hickam advanced underwater concrete, quay-wall work and support facilities, according to an October 1, 2026 update from the Navy’s construction office.

Crews placed 1,860 cubic yards of concrete 40 to 60 feet underwater and installed more than 5,500 pounds of reinforcing steel nearly 80 feet underwater for a slab in the pump well. The pump well will remove water from the completed dry dock.

Multiple systems are moving in parallel

Along the west quay wall, crews drove steel piles more than 100 feet long and approached completion of that pile-driving phase. Concrete placement continued for crane-rail grade beams that will support future waterfront lifting operations.

The fire-water pumphouse and tank slabs are complete, while a prefabricated sewer-water lift station is standing and moving into roof work. Four of ten tilt-up structures now have concrete walls and roofs. A second temporary concrete batch plant has also been certified to support upcoming dry-dock wall construction.

What it means

Analysis: The update shows a project transitioning from deep enabling work into more visible structural production. Underwater placement, long piles and pump-well construction are technically difficult activities whose completion can unlock faster progress on walls, crane systems and support buildings.

The on-site batch-plant capacity is another schedule indicator. Large marine concrete placements depend on consistent supply and quality control; a second certified plant adds redundancy and production capacity as wall volumes increase.

Dry Dock 5 is intended to support future readiness at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility. The strategic value is not the concrete quantity alone, but the maintenance capacity the completed dock will provide for Navy vessels. Commissioning will eventually have to integrate pumping, power, fire protection, cranes and waterfront systems before the asset can enter service.

Sources

• U.S. Navy Dry Dock 5 progress update, October 1, 2026

Representative U.S. Navy infrastructure photograph; Dry Dock 5 is not pictured. Photo: Ensign Isaiah Martino, U.S. Navy. Public domain. No editorial alterations; WordPress may resize or crop for display.