Subpart 146.29-Detailed Regulations

Governing the Transportation of Military Explosives and Hazardous Munitions on Board Vessels

SOURCE: CGFR 62-11, 27 FR 5287, June 5, 1962 unless otherwise noted.

§ 146.29-1 Effective date.

The regulations in this subpart will become effective on and after July 1, 1962.

§ 146.29-3 Relationship to other regulations.

(a) Commercial shipments of explosives shall be conducted in accordance with 49 CFR Parts 171-189.

(b) Where reference is made to other hazardous materials in this subpart, the regulations in 49 CFR Parts 171189 apply.

[Amdt. 176-1, 41 FR 28122, July 8, 1976]

§ 146.29-7 Port security regulations.

The applicable provisions of 33 CFR Parts 6, and 121 to 126, inclusive, shall, unless specifically authorized to the contrary by any provision of this subpart, be complied with by vessels, masters, agents, or charterers thereof and by all persons engaged in handling, loading, stowing or unloading explosives.

§ 146.29-9 Import shipments.

Import shipments of military explosives shall be made in accordance with the provisions of the regulations in this subpart.

§ 146.29-11 Definitions and abbreviations.

For the purpose of the regulations in this subpart, certain words, phrases, and abbreviations are defined as follows:

(a) Military explosives. Military explosives for the purpose of this subpart consist of all Department of Transportation's Classes A, B, and C explosives as defined below shipped by, for, or to the Departments of the Army, Navy, or Air Force of the United States or similar types of explosives shipped by, for, or to the government of any country whose defense is deemed vital to the defense of the United States. However, this definition

shall not include those explosives shipped by, for, or to the Corps of En gineers, Department of the Army, for use in river and harbor works or other works under permits issued by that Agency, in which case the regulations in this part pertaining to commercial explosives shall apply. Military explosives are divided into two classes, as follows:

(1) Ammunition. Ammunition consists of all types of projectiles, cartridges, grenades, bombs, mines, torpedoes, torpedo warheads, propellant powder charges, pyrotechnics, rockets, missiles, special weapons, chemical, smoke or incendiary ammunition, or other "made up" explosive devices that are utilized by the armed forces in the prosecution of a war.

(2) Explosives in bulk. Explosives in bulk consist of any high explosives, black powder, and low explosives or propellant explosives in accordance with the definitions in §§ 146.20-1, 146.20-7, and 146.20-9, when such substances are shipped in containers other than containers such as bombs, grenades, mines, torpedoes, powder bags in individual containers, cartridges, projectiles, fuzes, detonators, caps, primers, and similar "made up” ammunition devices.

(b) Hazardous munitions. Hazardous munitions for the purpose of these regulations are those dangerous articles used as oxidizers or fuels for missile propulsive systems. Such fuels and oxidizers are listed in Tables XI-C and XI-D and will be stowed and handled in accordance with these tables when shipped with military explosives. When shipment is made on a vessel not carrying military explosives, the hazardous munitions may be shipped under the regulations contained in 49 CFR Parts 171-189.

(c) Related terms-(1) Adjacent hold; hold adjacent. Any hold which has as one of its boundaries a permanent steel bulkhead that is common, either partially or in its entirety, to another hold shall be termed "adjacent hold" or "hold adjacent" to the focal hold. This shall not be construed as meaning a hold above or a hold below said hold nor shall it include a hold that is situated diagonally from said hold and

has only a corner as a common boundary.

(2) Any hold above. "Any hold above" shall mean any hold that is partially or entirely in the same vertical plane over another hold even though there may be a hold or holds intervening.

(3) Any hold below. "Any hold below" shall mean any hold that is partially or entirely in the same vertical plane under another hold even though there may be a hold or holds intervening.

(4) Ammunition for cannon. Ammunition for cannon is fixed, semi-fixed or separate loading ammunition which is fired from a cannon, mortar, gun, howitzer or recoilless rifle.

(5) Ammunition for cannon with empty projectiles, inert-loaded projectiles, solid projectiles or without projectiles, and catapult charges exceeding 2 inches in diameter. Ammunition for cannon with empty projectiles, inert-loaded projectiles, solid projectiles or without projectiles, and catapult charges exceeding 2 inches in diameter, is fixed ammunition assembled in a unit consisting of the cartridge case containing the propelling charge and primer with empty, inertloaded, or solid projectiles, or without projectiles, which is fired from cannon, mortar, gun, howitzer, or recoilless rifle.

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(6) Ammunition for cannon with projectiles. Ammunition for cannon with explosive projectiles, gas projectiles, smoke projectiles, incendiary projectiles or illuminating projectiles is fixed ammunition assembled in a unit consisting of the cartridge case containing the propelling charge and primer, and the projectiles, fuzed or unfuzed.

(7) Ammunition for small arms with explosive bullets or explosive projectiles. Ammunition for small arms with explosive bullets or ammunition for small arms with explosive projectiles is fixed ammunition to be used in machine guns or similar fire arms and consists of a metallic cartridge case, the primer and the propelling charge, with explosive bullet or explosive projectile with or without detonating fuze, the component parts necessary

for one firing being all in one assembly.

(8) Boosters, bursters and supplementary charges. Boosters and supplementary charges consist of a casing containing a high explosive and are used to increase the intensity of explosion of the detonator of a detonating fuze. Bursters consist of a casing containing a high explosive and are used to rupture a projectile or bomb to permit release of its contents.

(9) Cargo hold. A cargo hold is a space allotted entirely to the carriage of cargo and is bounded by permanent steel bulkheads, decks and the shell of the vessel; the deck openings being provided with means of effectively closing the hold against the weather, and in the case of superimposed holds, effectively closing off each hold.

(10) Cargo net. A cargo net is a net made of fiber or wire rope and used as a means of handling loose or package cargo to and from the hold of a vessel.

(11) Cargo transporter. This term covers a noncollapsible, reusable steel shipping box of not over 135 cubic feet capacity, used for shipping separate items of cargo as a unit, and handled on board ship by "life-on/lift-off" methods. Such container must conform to Military Specification MIL-B11886 or MIL-B-21560. It is commonly referred to as "Conex Box."

(12) Chemical ammunition. Chemical ammunition used in warfare is all kinds of explosive chemical projectiles, bombs, grenades, mines, etc., loaded with toxic, tear, or other gas, smoke or incendiary agent, also such miscellaneous apparatus as cloud-gas cylinders, smoke generators, etc., that may be utilized to project chemicals.

(13) Compartment. A compartment is any space formed by permanent steel bulkheads and the ship's side and decks. The limits of a compartment are determined by the integrity of the bulkheads, shell or decks forming its boundaries. Access openings fitted with doors, hatch covers (steel or wood) or bolted plates are accepted as preserving the integrity of deck, bulkhead or shell.

(14) Compatible explosives. Compatible explosives as used in § 146.29-100 shall mean explosives that have com

patibility in accordance with the admixture charts in § 146.29-99.

(15) Complete round. A complete round of "cannon ammunition," "artillery ammunition" or "gun ammunition" includes ammunition used in cannon or gun of caliber .75 in. and above. It includes complete round with components. The complete round comprises all of the components necessary to fire the cannon or gun once. These components are, in general, the projectile, fuze, propelling charge and primer. Depending upon both the type of propelling charge and method of loading the required components into the weapon, complete rounds "cannon ammunition,” “artillery ammunition" or "gun ammunition" are described as fixed, semifixed, separated or separate loading ammunition.

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(16) Container. A container is a cargo carrying body other than a portable tank which may be designed and constructed to be removed from a chassis or wheels for water transportation. Military explosives, permitted to be transported in containers are limited to explosives of Coast Guard Classes I and II, with the exception of Class II-J, which are compatible in accordance with the admixture charts in § 146.29-99. All other types of military explosives, including Class II-J may be carried in containers on approval of the Commandant.

(17) Definition of other hazardous materials. The definitions of other hazardous materials are in 49 CFR Parts 171-189.

(18) Detonating fuzes. (i) Detonating fuzes, Class A are used in the military service to detonate the high explosive bursting charges of projectiles, mines, bombs, torpedoes, and grenades. In addition to a powerful detonator, they may contain several ounces of a high explosive, such a tetryl or dry nitrocellulose, all assembled in a heavy steel envelope. They may also contain a small amount of radioactive component.

(ii) Detonating fuzes, Class C are those that are so made and packed that they will not cause functioning of other fuzes, explosives, or explosive devices in the same or adjacent containers.

(19) Division bulkhead. (i) When part of a compartment or hold is utilized for the stowage of military explosives, the remaining portion of such compartment or hold may be utilized for the stowage of general cargo provided a temporary wooden bulkhead is constructed in the compartment or hold to completely divide and protect the stowage of military explosives from the general cargo. The scantlings and construction of such bulkheads shall be as follows: For tween deck compartments or holds construction shall be of commercial 2-inch boarding, secured on 4" x 6" uprights spaced not to exceed 30 inches center to center. For lower holds construction shall be of commercial 2-inch boarding secured on 6" x 6" uprights, spaced not more than 24 inches center to center. Random widths of boarding may be used. The boarding shall be close fitted edge to edge and butt to butt to form a smooth surface facing the explosive stowage. Nails shall not protrude beyond the surface of the boarding.

(ii) See § 146.29-81(e) for construction of a partition bulkhead within a Class "A" magazine measuring more than 40 feet in any direction.

(iii) When general cargo is to be stowed adjacent to the exterior of the Class "A" magazine see § 146.29-61(b).

(20) Dunnage. Lumber of not less than 1-inch commercial thickness laid over tank tops, decks or against bulkheads, frames, plating, ladders, etc., or used for filling up voids, or fitted around the cargo for the purpose of preventing damage during transportation.

(24) Explosive torpedoes. Explosive torpedoes, such as are used in warfare, are metal devices containing a means of propulsion and a quantity of high explosives.

(25) Fixed ammunition. Fixed ammunition describes "cannon ammunition," "artillery ammunition" or "gun ammunition" of the type comprising a cartridge case with primer, a propellant charge and a projectile (fuzed or unfuzed) all of these components being assembled as a unit for one firing.

(26) Grenades. Grenades, hand or rifle, are small metal or other containers designed to be thrown by hand or projected from a rifle. They are filled with an explosive or a liquid, gas or solid material such as a toxic or tear gas or an incendiary or smoke producing material and a bursting charge.

(27) Guided missile ammunition. Includes missile or rocket bodies and related components; warheads (explosives, chemical practice, etc.); propellants (liquid or solid); fuzes and arming devices with associated components; fins, stabilizers, or control surfaces; either or all of which may be in complete round configuration or as separately packaged items, as issued to assemble complete rounds as fired.

(28) Hatch. An opening in the weather deck and all decks below in the same vertical plane through which cargo, etc., is passed. This term is also used in the regulations in this subpart to designate the entire series of holds served through one weather deck hatch.

(29) Igniters. Igniters consist of fiberboard, plastic, paper or metal tubes containing a small quantity of igniting compound which is ignited by the action of a primer, pull wire or scratch composition.

(30) Jet thrust units (jato), explosive (Class A), or igniters jet thrust (jato), explosive (Class A). Jet thrust units (jato), explosive (Class A), are metal cylinders containing a mixture of chemicals capable of burning rapidly and producing considerable pressure. Under certain conditions the chemical fuel with which the unit is loaded may explode. Jet thrust units are designed to be ignited by an electric igniter. They are used to assist airplanes to

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take off. Igniters jet thrust (jato), explosive (Class A) and igniters, rocket motor, Class A explosives, are devices consisting of an electrically operated or remotely controlled ignition element and a charge of fast burning composition meeting the definition prescribed for Type I Class A explosives assembled in a unit for use in igniting the propelling charge of jet thrust units or rocket motors. Under certain conditions the burning composition may explode.

(31) Jet thrust units (jato), Class B explosives. Jet thrust units (jato), Class B explosives are metal cylinders containing a mixture of chemicals capable of burning rapidly and producing considerable pressure. Jet thrust units are designed to be ignited by an electric igniter. They are used to assist airplanes to take off.

(i) Igniters, jet thrust (jato), Class B explosives, and igniters, rocket motor, Class B explosives are devices consisting of an electrically operated or remotely controlled ignition element and a fast-burning composition which functions by rapid burning rather than detonation, assembled in a unit for use in igniting the propelling charge of jet thrust units, rocket motors, or rocket engines.

(ii) Starter cartridges, jet engine, Class B explosives, consist of plastic and/or rubber cases, each containing a pressed cylindrical block of propellant explosive and having in the top of the case a small compartment that encloses an electric squib, small amounts of black powder and smokeless powder, which constitute an igniter. The starter cartridge is used to activate a mechanical starter for jet engines.

(32) On deck. "On deck" means that that article may be stowed on the open weather deck of the vessel.

(33) Overstow. The term "overstow" as used in these regulations shall mean to stow directly over.

(34) Pallet. A pallet is a tray so designed as to be picked up by a fork truck or similar cargo handling equipment. Pallets are not usually equipped with sideboards.

(35) Palletized unit. Individual packages or unpackaged items stowed in a compact mass upon a pallet or skids

and banded together and to the pallet or skids by metal straps to form a unit consisting of pallet and packages.

(36) Partition bulkhead. A partition bulkhead is a temporary bulkhead constructed of commercial 1-inch lumber of widths not less than 4 inches, secured alternately on both sides of the uprights and spaced not more than 6 inches apart. The uprights are at least 2" x 4" size, spaced not more than 30 inches apart.

(37) Percussion fuzes, combination fuzes, and time fuzes. Percussion fuzes, combination fuzes, and time fuzes are devices designed to ignite powder charges of ammunition or to initiate an intermediate charge (booster) in projectiles, bombs, etc. When such fuzes are assembled with booster charges they are properly described as "detonating fuzes."

(38) Pieplate. A pieplate is the term generally applied to a round, oval or hexagonal tray without sideboards.

(39) Primers. Primers are devices used to ignite the powder charges of ammunition. For small-arms ammunition, the primers are "small-arms primers" or "percussion caps."

(40) Propellant explosives, solid, Class A. Propellant explosives, Class A, are solid chemicals or solid chemical mixtures which are designed to function by rapid combustion of successive layers, generally with little or no smoke. The combustion is controlled by composition, size, and form of grain. Propellant explosives, Class A, include some types of smokeless powder for small arms and some types of solid propellant explosives for jet thrust units, rockets, or other devices. Any propellant explosive is Class A which detonates in any one out of five trials when tested in the package in which it is offered for transportation. In conducting the test, one propellant container shall be surrounded by inert loaded containers of the same weight, including one inert container placed on top of the propellant container. The propellant shall be ignited by means of a commercial electrical squib placed within 4 inches of the bottom of the container. The presence of a crater and absence of flame shall be considered as evidence of detonation.

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(41) Propellant explosives, Class B. Propellant explosives, Class B, are solid chemicals or solid chemical mixtures which function by rapid combustion of successive layers, generally with little or no smoke. The combustion is controlled by composition, size, and form of grain. Any propellant explosive is Class B which fails to detonate in five trials when tested in the packages in which it is offered for shipment. (See (40) for test.) Propellant explosives, Class B, include smokeless powder for cannon, smokeless powder or solid propellant explosives for rockets, jet thrust units. or other devices. Black powder is not included in this classification.

(42) Rocket ammunition. Rocket ammunition is fixed ammunition which is fired from a tube, launcher, rails, trough, or other device as distinguished from cannon ammunition which is fired from a cannon, gun, or mortar.

(43) Rocket motor, Class A explosives. Rocket motor, Class A explosives, is a device containing a propelling charge and consisting of one or more continuous type combustion unit(s) closed at one end (closure may be an igniter with a thrust plate) and with a nozzle(s) at the other end. (The rocket motor carries its own solid oxidizer-fuel combination.) The propelling charge consists of a mixture of chemicals and/or chemical compounds which when ignited is capable of burning rapidly and producing considerable pressure and which will sustain a detonation. Rocket motors, Class A explosives, should be nonpropulsive in shipment (see paragraph (c)(i) of this section). Rocket motors, Class A explosives, are designed to be ignited by an electrically actuated device which may be an igniter, or by other means. They are used to propel and/or provide thrust for guided missiles, rockets, or spacecraft.

(i) A rocket motor to be considered "nonpropulsive" must be capable of unrestrained burning and will not move appreciably in any direction when ignited by any means. Blast deflectors, thrust neutralizers, or other similar devices must be proven adequate by test prior to authorization for use.