# Transport of Class 1 (explosive) materials in shipborne barges.

**Citation:** 49 CFR 176.174  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(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 followin

## Document text

(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, Dec. 21, 1990, as amended at 69 FR 76185, Dec. 20, 2004]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-176.174>
- Source ID: `ecfr`
- SHA-256: `8da2b6345e5be27e3343b0e861ad278d03d20a9ea606e1ecd8971923709ef8c4`
- Retrieved: 2026-08-20T05:46:14.489Z
- Exported: 2026-08-24T03:47:21.183Z
- Document slug: `49-cfr-176-174`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "176",
  "section": "176.174",
  "subpart": "Subpart G—Detailed Requirements for Class 1 (Explosive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```