Projects > Barges Barge | Mauna Loa (Ex: Columbia) 362.5′ x 105′ x 23′ Deck Cargo Barge. Deadweight capacity 14,169 Short Tons Deck loading capacity 3,650 psf Fitted with 22′ high cargo binwalls Internal ballast pump room with two generators High Efficiency Hull with Hydra-Lift Skegs Built by Gunderson Marine. (Click any image to enlarge)