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§ 146.10-3 Barges classified. (a) Various types of "barges" are for the purpose of the regulations in this part classified as follows:

Class “A” Barges AA Hull constructed of steel or wood, completely decked over and stowing cargo "On deck in

open" only.

AB Hull constructed of steel or wood, completely decked over, itted with cargo hatches, ceiled

holds, and capable of stowing cargo “Under deck" or "On deck in open".

AC Hull constructed of steel or wood, completely decked over with superstructure house

covering the deck and fitted with cargo hatches or cargo doors, and capable of stowing cargo "On deck in open", "Under deck" in celled holds or "On deck within the house".

AD Hull constructed of steel or wood, completely decked over, fitted with cargo hatches, with

or without superstructure house covering the deck, and capable of stowing cargo "On deck" or "On deck within the house" or "Under deck", having holds that are not ceiled.

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Class "B" Barges BA Hull constructed of steel or wood with partial deck at ends and/or sides, fitted with

hatches with or without coaming and having ceiled holds and loading cargo “Under deck" only.

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BB Hull constructed of steel or wood with partial deck at ends and/or sides, with open celled

hold or holds.

BC Hull constructed of steel or wood with partial deck at ends and/or sides, with or without

hatches and having hold nr holds without ceiling.

Class "C" Barges CA Hull constructed of steel or wood, completely decked over and stowing cargo "On deck

in open" only, fitted with cargo mast and boom, and machinery for cargo handling, with or without house or houses on deck.

CB Hull constructed of steel or wood, completely decked over, having cargo hatches in deck,

and stowing cargo "On deck In open" or "Under deck", fitted with cargo mast and boom and machinery for cargo handling, with or without house or houses on deck.

Class "D" Barges

DA Hull constructed of steel having division bulkheads forming tight compartments (tanks)

integral with the hull of the barge, to be utilized for the transportation, in bulk, of dangerous substances in liquid form, other than inflammable and combustible liquids.

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DB Hull constructed of wood having division bulkheads and ceiling forming tight compart

ments integral with the hull of the barge, to be utilized for the transportation, in bulk, of dangerous substances other than liquids.

Class "E" Barges

EA Hull constructed of steel or wood, having cargo carrying compartments of hopper type

and fitted with bottom dump or side dump (known as dump scows, mud scows, garbage scrows, etc.).

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EB Barge constructed of wood completely decked and having boxlike structure on deck not

roofed over.

(b) The term “ceiled" applied to a barge constructed of wood means the hold space is fitted with a tight plank floor and that tight planking or wooden cargo battens are carried up the sides of the hold to provide a smooth floor and reasonably smooth sides without unnecessary projections. Floor or siding fitted “tight" shall have removable sections for purposes of clean-out and access for inspection of hull. When cargo battens are fitted at sides the floor shall be carried out to the skin of the barge and fitted reasonably tight around the frames.

(c) When applied to a barge constructed of steel, the term "ceiled” means the construction shall be such as to provide a reasonably flush floor or tank top and sides, free from unnecessary projections within the cargo space. Tight wooden flooring and ceiling or battens may be fitted in the cargo spaces of steel barges in lieu of steel platings.

$ 146.10–4 Carfioats and barges used as car floats. Explosives or other dangerous articles or substances laden in railway or highway vehicles in compliance with the provisions of the Interstate Commerce Commission regulations governing such transportation may be carried or conveyed on board carfloats and barges used as carfloats subject to the following conditions:

(a) Carfloats and barges used as carfloats shall not be utilized to transport, carry, convey or store vehicles laden with any explosive expressly prohibited by subsection 3 of R. S. 4472, as amended.

(b) Carfloats and barges used as carfloats shall not be utilized to transport, carry, convey or store vehicles laden with any permitted explosive or other dangerous article or substance unless in compliance with the provisions of the regulations in this part with respect to "Barges".

$ 146.10–50 Stowage of explosives or other There is indicated in this table the explosives or other dangerous articles or substances, separated according to barges. Unless otherwise stated in the table, a permitted stowage applies to substances when in containers only. substances which are loaded and carried without benefit of containers or wrappers, and received and delivered by

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1 Outside containers vulnerable to damage by water shall not be given this stowage.
: Outside containers vulnerable to damage by water shall be stowed under deck only.
: Outside containers vulnerable to damage by water shall be stowed under cover only.
* Substances affected by water shall not be given this stowage.
• Substances affected by water shall be stowed under deck only.
8 Substances affected by water shall be stowed under cover only.
7 Stowage shall be "on deck in house" only.

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(c) Dangerous cargo laden in vehicles being transported carfloats and barges used as carfioats is not subject to any other provision of the regulations in this part unless the packages, or the substances if in bulk, are removed from the vehicle for any reason other than transfer of the article or substance from the vehicle to a vessel.

(d) Transfer of explosives from vehicles on board carfloats and barges used as carfloats to vessels shall be governed by the permit requirements of 46 CFR 146.85, 146.87. (CGFR 57-33, 22 F. R. 8571, Oct. 29, 1957]

$ 146.10–5 on deck protection. Wooden barrels, wooden or fiberboard boxes, fiber drums, plywood drums containing explosives, inflammable liquids, inflammable solids or oxidizing materials or poisons that are stowed “On deck in open" on barges shall be protected by tarpaulins. The following hazardous

articles, burlap bags, camphene, calcium carbide, bleaching powder, cork, cotton, cotton and textile waste, excelsior, fibers, hay, naphthalene, oakum, wood shavings shall when stowed “On deck in open” on barges be protected by tarpaulins.

$ 146.10–6 Stowage of explosives. (a) Barges having cargoes of permitted explosives and other dangerous articles are required to observe the provisions of the stowage and storage chart of explosives and other dangerous articles in $ 146.1050.

(b) Explosives required by the regulations in this part to be stowed in magazines shall when on board barges as cargo be stowed either in a house or "Under deck" as permitted for the particular type of barge by the provisions of table shown in $ 146.10-50. (Order 74, 6 F. R. 280, Jan. 11, 1941, as amended, 9 F. R. 14343, Dec. 6, 1944)

dangerous articles or substances on board barges. their classification, that are permitted or restricted in their transportation and stowage on board the various class When such substances are permitted "in bulk" a notation to that effect appears in the table. ("In Bulk" means the vessel without mark or count.)

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No........ Yes 14. Yes 3 ..- No.---- No..---... No.---- No. No, except Yes ? 1... Yes 36... Yes... Yes, except No..--- Yes. bulk in

liquids. tanks.

"Transportation of inflammable or combustible liquids, in bulk, is governed by rules and regulations for tank vessels.

NOTE: Containers of dangerous articles vulnerable to damage by water or dangerous substances affected by water when loaded in weatherproof railroad vehicles in accordance with requirements of the Interstate Commerce Commis. sion regulations are exempt from the provisions of stowage restrictions shown in this table and numbered (1) to (7), inclusive.

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SUBPART-DETAILED REGULATIONS

GOVERNING EXPLOSIVES SOURCE: $ $ 146.20-1 to 146.20-300 tained in CGFR 52–8, 17 F. R. 6464, July 17, 1952; CGFR 52-62, 17 F. R. 11881, Dec. 31, 1952, except as otherwise noted.

$ 146.20-1 An explosive. For the purpose of the regulations in this subchapter an explosive is defined as any chemical compound, mixture, or device, the primary or common purpose of which is to function by explosion, i. e., with substantially instaneous release of gas and heat, unless such compound, mixture, or device is otherwise specifically classified in the regulations in this part. (CGFR 52-8, 17 F. R. 6464, July 17, 1952, as amended by CGFR 53–26, 18 F. R. 5216, Sept. 1, 1953) $ 146.20-3 Prohibited Or

not permitted explosives. The offering of the following explosives for transportation, carriage, conveyance, storage, stowage, or use on board vessels is forbidden:

(a) Fulminates or other detonating compounds in bulk in dry condition.

(b) Explosive compositions that ignite spontaneously or undergo marked decomposition when subjected for 48 consecutive hours to a temperature of 75° C. (167° F.).

(c) Explosives containing an ammonium salt and a chlorate.

(d) Liquid nitroglycerin, diethylene glycol dinitrate, or other liquid explosives not authorized by the Commandant of the Coast Guard.

(e) Explosives condemned by the Bureau of Explosives (except properly packed samples for laboratory examinations). Appeal may be made to the Interstate Commerce Commission from such condemnations.

(f) Leaking or damaged packages of explosives.

(g) Condemned or leaking dynamite shall not be repacked and offered for shipment unless the repacking is done by a competent person in the presence of, or with the written consent of, an inspector, or with the written authority of the chief inspector of the Bureau of Explosives.

(h) Firecrackers, flash crackers or salutes, the explosive content of which exceeds 12 grains each in weight, or pest control bombs, the explosive content of which exceeds 18 grains each in weight.

(i) Fireworks that combine an

explosive and a detonator or blasting cap.

(j) Fireworks containing an ammonium salt and a chlorate.

(k) Fireworks containing yellow or white phosphorus.

(1) Fireworks or fireworks compositions that ignite spontaneously or undergo marked decomposition when subjected for 48 consecutive hours to a temperature of 75° C. (167° F.).

(m) Fireworks, properly condemned by the Bureau of Explosives, except properly repacked samples for laboratory examinations.

(n) Toy torpedoes, the maximum outside dimension of which exceeds 78 inch, or toy torpedoes containing a mixture of potassium chlorate, black antimony and sulfur with an average weight of explosive composition in each torpedo exceeding 4 grains.

(0) Toy torpedoes containing a cap composed of a mixture of red phosphorus and potassium chlorate exceeding an average of one-half (0.5) grain per cap.

(p) Fireworks containing copper sulfate and a chlorate.

(q) New explosives (except samples for laboratory examination (see $ 146.20– 13)) until approved for transportation by the Bureau of Explosives.

(r) Loaded firearms. (CGFR 52–8, 17 F. R. 6464, July 17, 1952, as amended by CGFR 54-16, 19 F. R. 4929, Aug. 6, 1954; CGFR 56–29, 21 F. R. 7055, Sept. 20, 1956]

$ 146.20-5 Acceptable explosives. (a) Acceptable explosives are divided by the Interstate Commerce Commission regulations into three classes according to degree of hazard in transportation, as follows:

Class A explosives, detonating or otherwise of maximum hazard.

Class B explosives, inflammable hazard.
Class C explosives, minimum hazard.

(b) Acceptable explosives are defined by the Interstate Commerce Commission regulations as set forth in this subpart, and such definitions are binding upon all shippers making shipments of any explosives by common carrier vessels engaged in interstate or foreign commerce by water. Such definitions are accepted and adopted and form part of the regulations in this subchapter applying to all shippers making shipments of explosives by any vessel and shall apply to the own

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