46 C.F.R. § 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).
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(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).