On Namur the 95th Seabees Battalion built a large supply depot. Some of the supplies were used to support the future Battle of the Marianas Islands. On Namur the Seabees built a 4,000 barrel fuel tank farm. To support the troops a 300-bed hospital and barracks were built from Seabees Quonset huts. To load and unload supplies the Seabees built a pontoon pier. The captured 450 by 33 feet pier was used also. These piers were not in deep water some ships had to unload to small crafts to get supplies to the piers. A small craft repair depot was installed with its own dock. Seabees built craft motor overhaul shop and a 100-ton marine railway. The marine railway was used dry dock: crash boats, picket boats, and Landing Craft Mechanized (LCM). Coral was quarried from the atoll lagoon for roads and runways. Seabees built a sawmill to lumber native woods. Some native labor was hired for clean-up and sanitation work. In June 1944 the construction battalions were replaced by CBMU 590,
