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(f) When runways for use of crew are built over stowed cargo, they shall be so constructed and fitted with rails and lifelines as to afford complete protection to the crew when in use.

(g) Explosives permitted by the regulations in this part to be stowed “On deck" shall not be stowed on or under a bridge deck or within a distance, in a horizontal plane, of 25 feet of an operating or embarkation point of any lifeboat.

(h) "On deck” cargoes of explosives shall not be stowed nearer than 25 feet in a horizontal plane to the access means provided for crew quarters.

(i) [Reserved]

(j) Fire plugs, sounding pipes, and access to same shall be maintained free and clear of explosive cargo stowed on deck.

(k) Of the open deck space available after allowing for above restrictions for the stowage of explosives "On deck", not more than 50 percent of such available deck space shall be occupied by the stowage of these articles or explosives.

146.20-21 Stowage of fireworks.

(a) Fireworks that can be "exploded en masse” shall not be offered or accepted for transportation except as high explosives and shall be stowed in magazines. Magazines may be of a portable type as detailed in $ 146.09–6.

(b) Fireworks (other than the type that can be “exploded en masse") shall, when permitted to be transported on passenger vessels, be stowed in metal lockers, such metal lockers to be located either “On deck under cover” or “Tween decks readily accessible". (See $ 146.09-5 for specifications of locker.)

(c) Fireworks shall not be stowed in the same hold in which magazines containing explosives are located.

(d) All containers packed with permissible special fireworks acceptable for transportation on board vessels in accordance with these regulations shall have attached the (red) special fireworks label as shown in $ 146.05–17(s). § 146.20-23 Stowage of explosives with

other dangerous articles. The stowage of explosives with other dangerous articles shall conform to the following conditions.

(a) Class A or Class B explosives shall not be stowed on a vessel carrying inflammable liquids below deck or in excess of one ton on deck unless the engine and boiler room spaces or one complete hatch intervenes.

(b) Class A or Class B explosives shall not be stowed in a hold or compartment immediately below an "On deck” stowage of less than one ton of inflammable liquids.

(c) Class C explosives shall not be stowed in the same hold or compartment with inflammable liquids.

(d) Class A or Class B explosives shall not be stowed in the same hold or compartment with, nor in a hold or compartment above, below or adjacent to one containing inflammable solids, nor in a hatch above which inflammable solids are stowed on deck.

(e) Class C explosives shall not be stowed in the same hold or compartment with infiammable solids.

(f) Class A or Class B explosives shall not be stowed in the same hold or compartment with, nor in a hold or compartment above, below or adjacent to one containing oxidizing materials, nor in a hatch above which oxidizing materials are stowed on deck.

(g) Dynamite, commercial boosters and/or other non-priming non-initiating types of explosives which are compatible with dynamite may be stowed in a magazine located in the same hold or compartment with nitro carbo nitrate or in holds or compartments adjacent to nitro carbo nitrate provided the nitro carbo nitrate is packaged in strong metal cans, metal or fiber drums, barrels, kegs, or wooden or fiberboard boxes with noncombustible inside containers.

(h) Class C explosives shall not be stowed in the same hold or compartment with oxidizing materials.

(i) Class A or Class B explosives shall not be stowed on a vessel carrying corrosive liquids below deck unless one complete hatch or the engine and boiler room spaces intervene, nor on a vessel carrying corrosive liquids on deck unless the engine and boiler room spaces or bridge structural erections intervene.

(1) Class C explosives shall not be stowed in the same hold or compartment with corrosive liquids.

(k) Class A or Class B explosives shall not be stowed on a vessel carrying inflammable compressed gases “On deck" unless the engine and boiler room spaces or bridge structural erections intervene, nor in the same hold with non-inflammable compressed gases.

(1) Class C explosives shall not be stowed in a hold or compartment immediately below an “On deck” stowage of inflammable compressed gases.

(m) Class A or Class B explosives shall not be stowed in the same hold or compartment with poisonous articles.

(n) Class C explosives shall not be stowed in the same hold or compartment with Class D poisons.

(0) Class A or Class B explosives shall not be stowed in the same hold or compartment with combustible liquids.

(p) Explosives shall not be stowed in the same hold or compartment with hazardous articles.

(q) Explosives shall not be stowed on a vessel carrying cotton unless the engine and boiler room spaces or one complete hatch intervenes.

(r) Small arms ammunition without explosives loaded bullets may be stowed in a hold or compartment above, below, or adjacent to a hold or compartment containing cotton provided the hatch covers separating the hold or compartment concerned are covered with asbestos paper, tarpaulins and dunnage. (CGFR 59-14, 24 F.R. 5270, June 30, 1959, as amended, CGFR 60–33, 25 F.R. 5237, June 11, 1960) $ 146.20–25 Stowage of explosives and

nondangerous cargo. Magazines in which explosives are stowed shall be protected from damage by heavy nondangerous cargo stowed in the same hold. Shafting, steel bar, steel shapes, pipe, heavy machinery and similar types of cargo shall, if stowed within the same hold, be so isolated or dunnaged or secured as to prevent damage to magazine under any conditions likely to be encountered during the voyage. 8 146.20–27 Stowage and dunnaging of

containers of explosives. (a) Containers of explosives shall be SO stowed and dunnaged as to prevent movement in any direction.

(b) Boxes of explosives marked “This Side Up” shall be so stowed.

(c) Kegs of black powder shall be stowed in an upright position, the bungs up, and each tier shall be completely dunnaged.

(d) The top tier of boxes and kegs shall be so braced and blocked or secured in such a manner that no displacement of any package can occur either upwardly or laterally.

(e) Containers of explosives shall be so braced and dunnaged that they shall not be liable to be pierced by the dunnaging or crushed by superimposed weight. (CGFR 52–8, 17 F.R. 6464, July 17, 1952, as amended by CGFR 57-33, 22 F.R. 8572, Oct. 29, 1957; CGFR 59–14, 24 F.R. 5270, June 30, 1959] 146.20–29 Preparation of magazines,

decks, hatches and holds before

handling explosives. (a) The floors of all magazines and holds shall be cleared of all rubbish and discarded dunnage, and be swept broom clean before commencing to load any explosive items of cargo. Bilges shall be examined and any residue of previous cargo removed therefrom.

(b) All decks, gangways and hatches over or through which explosives must be passed or handled in loading or unloading, shall be freed of all loose material and shall be swept broom clean both before and after loading or unloading.

(c) The hatches and cargo ports opening into a compartment in which explosives are stowed shall be kept closed at all times, except during loading or unloading of the compartment. When closed the hatches shall be covered with tarpaulins securely battened.

(d) Any deck loads over which explosives must be passed shall be limited in height to that of the hatch coaming, bulwark or three feet, whichever is greater. (CGFR 52-8, 17 F.R. 6464, July 17, 1952, as amended by CGFR 52-62, 17 F.R. 11881, Dec. 31, 1952; CGFR 58–9, 23 F.R. 4839, June 28, 1958] § 146.20–31 Loading and unloading ex.

plosives. No Class A dangerous explosives or Class B less dangerous explosives except special fireworks shall be loaded on board any vessel until all other cargo

has been placed on board the vessel. This applies to vessels moving from ports where cargo of explosives originate. At intermediate ports or at port of destination explosives shall not be loaded or unloaded at the same time that other cargo is being loaded or unloaded. § 146.20–33 Constructing of magazines.

All work in connection with the constructing of a magazine, or other conditioning of holds, decks, or hatches, shall be completed before the actual loading of explosives is undertaken. $ 146.20–35 Handling explosives.

(a) All explosives must be handled carefully. Packages of explosives must not be thrown, dropped, rolled, dragged or slid over each other or over the decks.

(b) Packaged Class A explosives shall be loaded and discharged from a vessel by hand, by using a regulation chute and mattress or by means of a mechanical hoist, pallet, skipboard, tray or pieplate, fitted with cargo net or sideboards. The maximum load handled in a pallet skipboard, tray or pieplate shall not exceed 2,400 pounds plus 10 percent. Rope net slings with pallet, skipboard, pieplate or similar base shall be so loaded that when lifted a minimum displacement of items shall occur and the cargo net shall completely encompass the load except on its topside. Not more than one third of the vertical dimension of any package shall extend above the sideboard of the tray. Drafts of explosives shall be hoisted and lowered carefully and only deposited or lowered on to a mattress.

(c) Blasting caps, detonating fuzes, fulminate of mercury and other initiating or priming explosives as defined in this subpart shall be considered as constituting a distinct class of dangerous explosives and they shall be handled with extreme care. A chute and mattress shall not be used when loading or discharging this class of explosives.

(d) “Can" hooks shall not be used for raising or lowering a barrel, drum, or other container of explosives. Metal bale hooks shall not be used in handling packages of explosives.

(e) Except as otherwise provided in this paragraph, power-operated industrial trucks shall not be used in a space in which Class A, Class B, or Class C explosives are stowed.

(1) The Commandant may grant authority for the use of approved poweroperated industrial trucks with a recognized testing laboratory designation of “EX” (see $ 146.09-15) in spaces in which Class A, Class B, or Class C explosives are stowed in when it can be shown that sucli trucks can be used with safety.

(2) In a space in which packaged small arms ammunition without explosive bullets is stowed when it can be shown power-operated industrial trucks with a recognized testing laboratory designation of "EX,” “EE” “LPS," "GS" and "DS” (see § 146.09–15) may be used with safety for handling cargo including the handling of such packaged small arms ammunition. (CGFR 52-8, 17 F.R. 6464, July 17, 1952, as amended by CGFR 52–62, 17 F.R. 11881, Dec. 31, 1952; CGFR 58-9, 23 F.R. 4839, June 28, 1958; CGFR 61-44, 26 F.R. 11019, Nov. 23, 1961; CGFR 62–48, 27 F.R. 12134, Dec. 7, 1962] § 146.20–37 Cargo working equipment.

(a) Before explosives are loaded or unloaded on or from a vessel the master or other person in charge of the vessel shall be required to ascertain by examination the condition and working order of all slings, crates, baskets, boxes, chutes, mattresses, tackle and other equipment to be used in the transfer operation.

(b) Any and all equipment which in the judgment of the master or other person in charge of the vessel is not in safe working condition shall be rejected and he shall prohibit its use and take such precautions as he may deem necessary to be certain such rejected equipment is not used for the purpose of loading or unloading explosives. The master or other person in charge of the vessel shall keep watch of all equipment used during the transfer of explosives and if any part of the equipment shows any defect or is damaged in use, work shall be stopped and the damaged or defective equipment repaired or replaced before permitting the loading or unloading to continue.

(c) This inspection of cargo working equipment shall apply to the vessel's equipment and to stevedores or other contractor's equipment. $ 146.20–39 Installation

of loading chute. The incline of the chute to be used in loading explosives shall be such that

the velocity of the packages sliding will not be great enough to cause violent shock when coming in contact with other packages on the chute, or when reaching the bottom of the chute. If otherwise, men shall be stationed alongside the chute to retard and control the velocity of the packages. Chutes shall be carefully wiped down with waste moistened with machine oil before packages of explosives are transferred. § 146.20-41 Lights, tools and equip

ment.

(a) No artificial light except electric lights or electric lamps or floodlights shall be used while loading or unloading explosives.

(b) Flashlights of a non-spark type shall be provided by the vessel owner or operator for persons required to enter holds in which explosives are stowed.

(c) Members of the crew of the vessel and other persons permitted on board the vessel to aid and assist in loading or unloading explosives, shall not be permitted to have or carry on their persons, firearms, matches, bale hooks or metallic tools.

(d) No person engaged in loading Class A dangerous explosives or Class B less dangerous explosives shall wear boots or shoes shod or strengthened with iron nails or other metal, unless such boots or shoes are covered with rubber, leather, felt or some such non-sparking material. $ 146.20-43 Fires.

(a) No unnecessary fire shall be permitted on docks, lighters or vessels, while loading or unloading explosives.

(b) Fires deemed necessary must be properly safeguarded and left in constant charge of some competent person assigned for that purpose by the master for the entire period of cargo transfer.

(c) A line of fire hose of sufficient length to cover the area of loading operations and connected with an adequate water supply shall be laid ready for use. $ 146.20–45 Smoking.

(a) Smoking is prohibited on or near any vessel loading or unloading explosives at a waterfront facility. Smoking areas may be designated by the Coast Guard officer having jurisdiction provided such areas are located at a safe

distance from the vessel. “No smoking” signs shall be posted during operations of handling, loading or unloading such cargo. At least one "No Smoking" sign shall be located on the pier at a reasonable distance from the vessel when such handling, loading or unloading is taking place.

(b) Smoking is prohibited on or near any vessel handling, loading or unloading explosives at an explosives anchorage, except the Coast Guard officer having jurisdiction may, with concurrence of the master or person in charge of the vessel, designate a compartment as a smoking area. “No Smoking” signs shall be posted conspicuously outside the entrance to this compartment and in other parts of the vessel during the loading or unloading operations. (CGFR 58-9, 23 F.R. 4839, June 28, 1958) $ 146.20–47 Liquor or drugs.

No person who, in the judgment of the master or other person in charge of the vessel, may be considered as being under the influence of liquor or of drugs, shall be permitted on board a vessel while loading, unloading or transporting explosives. $ 146.20–49 Damaged or leaking con

tainers of explosives. (a) Any container of explosives showing evidence of damage or leakage of a liquid ingredient shall not be accepted for transportation or storage on board any vessel.

(b) Any container of an explosive when offered for transportation, or storage, showing excessive dampness or which is moldy or shows outward signs of any oil stain or other indications that absorption of the liquid part of the explosive is not perfect, or that the amount of the liquid part of the explosive is greater than the absorbent can carry, shall not be accepted for transportation. The shipper must substantiate any claim that a stain is due to accidental contact with grease, oil, or similar substance. In case of doubt the container shall be refused. $ 146.20-51 Containers found damaged

or leaking on board vessels. (a) Any container of explosives found damaged or leaking while on board a vessel shall either be repacked or removed

from the vessel, whichever course appears advisable within the judgment of the master. If the master elects to jettison the container such jettisoning shall not be accomplished within any area adjacent to the coast line nor in shallow water.

(b) If upon arrival at a foreign port it is found that a container has been damaged or is leaking, the master should consult the local port authorities and request instructions as to disposition of the insecure package.

(c) The owner, charterer, agent, master, or person in charge of a vessel shall report in writing the occurrence of damaged or leaking containers of explosives to the District Commander of the United States Coast Guard or his authorized representative for the district in which the substance was taken on board the vessel setting forth a description of the container; the damage sustained; when possible, a reason for the damage; the name and address of the consignor and consignee (or shipping mark); and a statement of the disposition of the container.

(d) When the failure of a container of explosives results in a casualty involving loss of life, personal injury or damage to the vessel, no report other than those required by the provisions of $$ 136.05–1 to 136.05–10, inclusive, of this chapter, shall be made. $ 146.20-53 Magazine vessels storing

explosives. (a) For the purposes of the regulations in this part, a magazine vessel storing explosives is defined as follows: A magazine vessel is any type of water-borne craft used for the receiving, storing or dispensing of explosives, but not transporting same.

(b) Permitted type of magazine vessels: Single deck vessels with or without house on deck shall be the only acceptable type for use in the storage of explosives.

(c) Stowage on board magazine vessels: Class A dangerous explosives and Class B less dangerous explosives in excess of 5,000 pounds stored in any magazine vessel shall be stowed below deck. No amounts of such explosives shall be stowed above deck unless the vessel is fitted with a deck house the stowage area of which conforms with

the requirements of the regulations in this part for the stowage of explosives. Blasting caps and electric blasting caps in excess of 1,000 shall not be stored on the same magazine vessel with Class A dangerous explosives or Class B less dangerous explosives.

(d) The compartment on board & magazine vessel used for stowage of explosives shall be ceiled with wood throughout in such manner as will provide a smooth interior surface. Any metal stanchions within such compartment shall be boxed in the same manner as the compartment is ceiled. Overhead ceiling need not be fitted when the over deck is weather tight. All nail and bolt heads shall be countersunk and all exposed metal shall be covered with wood.

(e) Initiating and priming explosives of the Class A dangerous explosives group when stowed on board magazine vessels at the same time as high explosives are being stowed shall be stowed in a compartment separate from other explosives. Blasting caps and electric blasting caps shall be stowed in a location on board the magazine vessel that shall be separated from the other explosives on board the vessel by a horizontal distance of at least 25 feet from any bulkhead or partition forming a boundary of a compartment in which other explosives are stowed.

(f) Magazine storage vessels having & dry storage space capable of being used for any purpose whatsoever shall have a cofferdam of the minimum width of 24 inches fitted between such dry storage space and the adjacent explosive stowage compartment. This cofferdam may be of wood or steel and be formed by two tight thwartship bulkheads extending from the skin of the vessel to the overdeck. A watertight hatch shall be fitted in the weather deck if such compartment extends thereto for access to such cofferdam. $ 146.20–55 Lighting in stowage com

partments. No artificial means of lighting shall be fitted within a compartment used for the storage of explosives. The use of oil or chemical burning lamps or lanterns is prohibited on board a magazine vessel except for required navigation, anchorage, warning lights and living

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