{"operation":"document","citation":"49 CFR 176.77","title":"Stowage of barges containing hazardous materials on board barge-carrying vessels.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) A barge which contains hazardous materials may be transported on board a barge-carrying vessel if it is stowed in accordance with the requirements of this section.\n\n(b) A barge which contains hazardous materials for which only “on deck” stowage is authorized must be stowed above the weather deck","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-176-77.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-176-77.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-176-77","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-176.77","body":"(a) A barge which contains hazardous materials may be transported on board a barge-carrying vessel if it is stowed in accordance with the requirements of this section.\n\n(b) A barge which contains hazardous materials for which only “on deck” stowage is authorized must be stowed above the weather deck and be vented to the atmosphere.\n\n(c) A barge which contains hazardous materials for which both “on deck” and “below deck” stowage is authorized may be stowed above or below the weather deck.\n\n[Amdt. 176-30, 55 FR 52689, Dec. 21, 1990, as amended at 76 FR 56317, Sept. 13, 2011]","truncated":false,"body_characters":579}