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available the twenty (20) feet separation need not be complied with provided one or more of the following protections are provided:

(1) The bulkhead or deck is insulated with at least three (3) inches of insulation throughout its entire area subject to heat.

(2) A temporary wooden bulkhead of at least two inches thickness is constructed in the hold at least three inches off the engine room and six inches off the boiler room bulkhead and covering the entire area of the bulkhead that is subject to heat. The space between the permanent bulkhead and the temporary wooden bulkhead shall be filled full with bulk asbestos or mineral wool.

(3) A temporary wooden bulkhead constructed of one inch T and G sheathing located three feet off the boiler room or engine room bulkhead and filled with sand to a height of six feet above the tank top.

(g) Cargo compartments located “Tween decks” and having a boundary bulkhead which also forms a boundary to a boiler room, engine room, coal bunker, galley or a boiler room uptake casing may be utilized for the stowage of inflammable liquids under the conditions as outlined in paragraph (f) of this section except that the provision in paragraph (f) (3) of this section requiring filling with sand to a height of 6 feet shall be modified to provide for only 3 feet of sand.

(h) Infiammable liquids in drums or in export wooden cases having inside containers in excess of one quart capacity shall not be stowed as beam Allers. Wooden barrels, wooden boxes, and fiberboard boxes with inside containers of inflammable liquids of less than one quart capacity shall not be stowed as beam fillers unless it is possible to stow and observe “This Side Up". markings. (CGFR 59-14, 24 FR. 5271, June 30, 1959)

§ 146.21-30 Stowage of inflammable

liquids with explosives and other dan

gerous articles. The stowage of inflammable liquids with explosives and other dangerous articles shall conform to the following conditions:

(a) Inflammable liquids in any quantity shall not be stowed on deck im. mediately over a hold or compartment containing Class A or Class B explosives.

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

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

(d) Inflammable liquids shall not be stowed in the same hold or compartment with inflammable solids.

(e) Inflammable liquids shall not be stowed in the same hold or compartment with oxidizing materials.

(f) Inflammable liquids shall not be stowed in the same hold or compartment with corrosive liquids.

(g) Inflammable liquids in excess of one ton shall not be stowed in a hold beneath inflammable compressed gases stowed "On deck".

(h) Inflammable liquids shall not be stowed in the same hold or compartment over cylinders of non-inflammable compressed gases.

(i) Inflammable liquids shall not be stowed in the same hold or compartment with poisonous articles.

(j) Inflammable liquids shall not be stowed in the same hold or compartment with cotton, nor in the hold above or below one containing cotton. (CGFR 59-14, 24 F.R. 5271, June 30, 1959; CGFR 10–33, 25 F.R. 5237, June 11, 1960) $ 146.21-35 Boundary bulkheads.

Holds, with bulkheads in which cargo openings to adjacent holds are fitted, shall not be used for the stowage of inflammable liquids unless such openings are provided with means to securely close electrical apparatus are provided and such control means are located outside the boundaries of said space. Electrical power lines passing through a hold that is to be used for the stowage of inflammable liquids shall have such run of cable protected by metal covering to prevent damage and possible short circuit. Such metal protection shall be substantial enough to prevent crushing by reason of cargo which might be stowed against same. (CGFR 63–19, 28 F.R. 5380, May 30, 1963) $146.21-55 Smoking prohibited, warn

ing signs. (a) Smoking prohibited in the vicinity of inflammable liquid cargo stowed “On deck" and in holds in which such cargo is stowed or in the vicinity of ventilators from such holds.

(b) Signs carrying the legend

off and make the hold gas tight or unless the adjacent hold is also used for the stowage of inflammable or combustible liquid cargo. (CGFR 51–19, 16 F.R. 7220, July 24, 1951)

146.21-40 Hatch closing means.

All unit compartments or holds used for the stowage of inflammable liquids shall be provided with full and efficient hatch covers. Tarpaulins if fitted or required to be fitted shall be protected by dunnaging before overstowing with cargo. Such tarpaulins shall be in one piece and free of rents, tears, or holes. (CGFR 51-19, 16 F.R. 7220, July 24, 1951) & 146.21-45 Ventilation.

All cargo holds in which inflammable liquids are to be stowed and which are provided with means for ventilating shall, before any inflammable liquid cargo in a quantity in excess of 1 ton be stowed in such hold, have fire screens fitted at the weather end of the vent ducts. This fire screen shall consist of two layers of fine brass wire screen of at least a 20 x 20 mesh spaced not less than 12 inch or more than 172 inches apart. This screen may be removable, and if so fitted, means for effectively securing the same in place when in service shall be provided. Mushroom type heads shall have similiar fire screens so fitted as to completely and efficiently cover the open area. For holds that are gas tight and fitted with vent trunks such vent trunks may be efiiciently blanked off at both termini in lieu of fitting flame screens. Stowage of inflammable liquids in a quantity in excess of 1 ton shall not be permitted in holds or compartments that are fitted with gooseneck type of vent trunk heads. (CGFR 51-19, 16 F.R. 7220, July 24, 1951] $ 146.21-50 Electrical equipment in

holds. Inflammable liquids shall not be stowed in holds or compartments in which electrical apparatus of any type except explosion proof are fitted unless positive means for disconnecting all such

Inflammable Vapors Keep Lights and Fire Away

No Smoking

shall be posted at ch avenue of approach to inflammable liquid cargo when stowed "On deck" and in the vicinity of cargo hold ventilators when inflammable cargo is stowed in the hold. Such sign shall be painted on a white background using a bright red color for lettering. The letters shall not be less than 3 inches high. (CGFR 51-19, 16 F.R. 7220, July 24, 1951) $ 146.21-57 Use of power-operated in

dustrial trucks in spaces containing

flammable liquids. (a) In a space in which packaged flammable liquids are stowed, only approved power-operated industrial trucks with a recognized testing laboratory designation of EX, EE, GS, LPS, and DS (see § 146.09–15) may be used for handling cargo including the handling of such packaged flammable liquids. (CGFR 61-44, 26 F.R. 11019, Nov. 23, 1961)

$ 146.21-60 Potable spirits.

Potable spirits packed in strong, tight barrels, drums, casks, wooden or fiberboard boxes may, when stowed in a compartment not subject to artificial heat, be transported on board any vessel without further restriction. (CGFR 51-19, 16 F.R. 7220, July 24, 1951) & 146.21-65 Limited quantity ship

ments. (a) Inflammable liquids, except those enumerated in paragraph (c) of this section, in inside metal containers not over 1 quart capacity each, or in inside containers not over 1 pint or 16 ounces by weight each, packed in strong outside containers, except as otherwise provided, are exempt from specification packaging, marking other than name of contents, and labeling requirements.

(b) Such limited quantity shipments may be accepted on board vessels subject to the regulations in this part, provided the bill of lading or other shipping paper correctly describes the article and the required marking on the outside container is in accordance with the true name in the commodity list. Stowage shall be "On deck under cover” or “Tween decks" in a compartment not subject to artiicial heat.

(c) The following articles in any quantity are not exempt from any of the regulations in this subpart:

(1) Acrolein.
(2) Acrolein, inbibited.
(8) Aliphatic mercaptan mixtures.

(4) Aluminum triethyl and mixtures or solutions thereof.

(5) Aluminum trimethyl and mixtures or solutions thereof.

(6) Amyl mercaptan.
(7) Butyl mercaptan.
(8) Carbon bisulfide (disulfide).
(9) Dimethyldichlorosilane.
(10) Ethyl chloride.
(11) Ethyl mercaptan.
(12) Ethyl trichlorosllane.
(13) Ethyldichlorsilane.
(14) Ethylene imine, inhibited.
(15) Ethylene oxide.

(16) Inflammable (flammable) liquids which are also corrosive liquids or oxidizing materials under the regulations in this part.

(17) Isopropyl mercaptan.

(18) Lithium aluminum bydrido (ethereal).

(19) Methyl dichlorosilane.
(20) Methyl vlnyi ketone, inhibited.

(21) Methylchloromethyl ether, andydrous.

(22) Methylhydrazine.
(23) Methyltrichlorosilane.
(24) Nickel carbonyl.
(25) Pentaborane.

(26) Peroxides, organic, liquids or solutions, N.O.S.

(27) Propyl mercaptan.

(28) Pyroforic fuel and mixtures or solutions thereof.

(282) Pyroforic solutions.

(29) Spirits of nitroglycerin in excess of one percent by weight.

(80) Trichlorosilane.
(31) Trimethylchlorosilane.
(32) Dimethylhydrazine, unsymmetrical.
(33) Vinyl trichlorosilane.
(84) Zinc ethyl.

(35) Zirconium, metallic, solutions от mixtures thereof.

(36) Methyl magnesium bromide in ethyl ether in concentrations not over 40 percent.

(37) Trlisobutyl aluminum and mixtures and solutions thereof.

(38) Ethyl aluminum sesquichloride and mixtures and solutions thereof.

(39) Diethyl aluminum chloride and mixtures and solutions thereof.

(40) Ethyl aluminum dichloride and mixtures and solutions thereof.

(41) Methyl aluminum sesquichloride and mixtures and solutions thereof.

(42) Methyl aluminum sesquibromide and mixtures or solutions thereof. (CGFR 51-19, 16 FR. 7219, July 24, 1951 as amended by CGFR 67–88, 22 FR. 8581, Oct. 29, 1957; CGFR 57-49, 22 F.R. 10062, Dec. 14, 1957; CGFR 58-9, 23 F.R. 4846, June 28, 1958, CGFR 58-48, 28 F.R. 9636, Dec. 12, 1958; CGFR 59-14, 24 FR. 5271, June 30, 1959; CGFR 62–11, 27 F.R. 5282, June 6, 1962) $ 146.21-70 Limited quantity ship

ments of paint products. (a) Paint, enamel, lacquer, stain, shellac, varnish, aluminum, bronze, gold, wood filler, liquid, and lacquer base liquid and thinning, reducing and removing compounds therefor, and driers, liquid, therefor, when packed in inside glass or earthenware containers of not over l. quart capacity each, or metal containers not over 5 gallons capacity each, and packed in strong outside containers are exempt from specification packaging, marking other than name of contents, and labeling requirements. When fiberboard box is used for such shipments by water gross weight must not exceed 65 pounds.

(b) Such shipments may be accepted on board all vessels subject to the regulations in this part, provided the bill of lading or other shipping paper correctly describes the article in accordance with the true name as shown in the commodity list. Stowage shall be "On deck under cover" or "Tween decks" in a compartment not subject to artificial heat. (CGFR 51-19, 16 F.R. 7221, July 24, 1951)

$ 146.21-75 Limited quantity ship

ments of polishes. (a) Polishes, metal, stove, furniture and wood, liquid, when packed in inside glass or earthenware containers of not over 1 quart capacity each, or metal containers not over 5 gallons capacity each, and packed in strong outside containers are exempt from specification packaging, marking other than name of contents, and labeling requirements.

(b) Such shipments may be accepted on board all vessels subject to the regulations in this part, provided the bill of lading or other shipping paper correctly describes the article in accordance with the true name as shown in the commodity list. Stowage shall be "On deck under cover” or “Tween decks" in & compartment not subject to artificial heat. (CGFR 51-19, 16 F.R. 7221, July 24, 1951)

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Stowage:

“On deck protected."

"On deck under cover." Outside containers: Steel barrels or drums: (ICC-5, 5A, 50, 5G) not over

110 gal. cap. (ICC-5M) not over 65 gal. cap. (ICC-170) STO, not over 35

gal. cap. (IOC-177, 37A) WIC of glass,

not over 9 pts, cap. each (IOC-6) WICICC-28, poly.

ethylene, not over 55 gal. (ICE-RJ, 37A) WIC ICC

2SL, not over 55 gal. cap. Aluminum barrels or drums

(ICO-42B, 420) not over 110

gal. cap. Wooden barrels or kegs, WIC

(ICO-11A, 11B) not over 16

gal. cap. Wooden boxes, (ICC-15A, 15B,

15C, 16A, 19A, 19B) WIO, not over 10 gal. total cap. Fiberboard boxes, WIO (ICC

12A, 12B) not over 65 lb. gr.

wt. Fiber or plywood drums (ICC21C, 22A, 22B) WIC not over

1 gal. cap. Cylinders as prescribed for any compressed gas except acety.

leno. Authorized for stowage "On

deck in open" only: Portable tanks (ICC-51) not

over 20,000 lb. gr. wt. Authorized for stowage “On

deck" and "First deck

below": Motor vehicle tank trucks

complying with ICC regulations (trailerships and trainships only). Tank cars complying with

ICC regulations (trainships only).

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