Section 176.174 - Transport of Class 1 (explosive) materials in shipborne barges(a) Fixed magazines may be built within a shipboard barge. Freight containers may be used as magazines within a barge.(b) Shipborne barges may be used for the carriage of all types of Class 1 (explosive) materials. When carrying Class 1 (explosive) materials requiring special stowage, the following requirements apply:(1) Class 1 (explosive) materials in compatibility group G or H must be stowed in freight containers.(2) Class 1 (explosive) materials in compatibility group K or L must be stowed in steel magazines.(c) Class 1 (explosive) materials of different compatibility groups may not be stowed within the same shipborne barge unless under §176.144(b) of this subpart they are authorized to be stowed in the same compartment.Amdt. 176-30, 55 FR 52696, 12/21/1990, as amended at 69 FR 76185, 12/20/2004