46 C.F.R. § 45.177Download PDFCurrent through October 31, 2024Section 45.177 - Freeboard requirements(a) All barges must have a minimum freeboard of 24 inches (610 mm).(b) Additionally, open hopper barges must have a combined freeboard plus cargo box coaming height of at least 54 inches (1,372 mm). 46 C.F.R. § 45.177