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(2) A temporary wooden bulkhead of at least two inches thickness is constructed in the bold at least three inches off the engine room and six inches of 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 of the boiler room or engine room bulkhead and Alled 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 boller 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 olling with sand to a height of 6 feet shall be modified to provide for only 3 feet of sand.

(h) Inflammable Uquids in rums or in export wooden cases having inside containers in excess of one quart capacity shall not be stowed as beam fillers. 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 Allers unless it is possible to stow and observe “This Side Up" markings. (CGFR 59–14, 24 F.R. 5271, June 30, 1959, as amended by CGFR 66-28, 31 F.R. 8299, June 14, 1966)

mediately over a bold or compartment containing Class A or Class B explosives.

(b) Inflammable Uquids 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 batch intervenes.

(c) Infiammable 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 Uquids 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".

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

(1) 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.

(k) Flammable liquids shall not be stowed in the same hold or compartment with radioactive materials. (CGFR 59-14, 24 F.R. 5271, June 30, 1959; CGFR 60-33, 25 F.R. 5237, June 11, 1960; CGFR 68–142, 34 F.R. 2101, Feb. 12, 1969) 8 146.21–35 Boundary bulkheads.

Holds, with bulkheads in which cargo openings to adjacent holds are Atted, shall not be used for the stowage of inflammable liquids unless such openings are provided with means to securely close 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, 1961)

$ 146.21-30 Stowage of inflammable

liquids with explosives and other dangerous 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

mable liquids shall have such run of cable protected by metal covering to prevent damage and possible short circuit. Such metal protection shall be substantlal enough to prevent crushing by reason of cargo which might be stowed against same. (CGFR 63–19, 28 F.R. 6380, May 80, 1963) $ 146.21-55 Smoking prohibited, warn

ing signs. (a) Smoking is 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

8 146.21-40 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 i 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, 1961) 8 146.21-45 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 142 inches apart. This screen may be removable, and 1 so fitted, means for effectively securing the same in place when in service shall be provided. Mushroom type heads shall have similar fire screens so fitted as to completely and eficiently cover the open area. For holds that are gas tight and fitted with vent trunks such vent trunks may be eficiently 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. (CGPR 51-19, 16 FR. 7220, July 24, 1961) 8 146.21-50 Electrical equipment in

holds

Inflammable Vapors Keep Lights and Fire Away

No Smoking

shall be posted at each 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 & bright red color for lettering. The letters shall not be less than 3 inches high. (CGFR 61-19, 16 F.R. 7220, July 24, 1951; CGFR 65–17, 80 F.R. 7439, June 6, 1966) $ 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 of approved types EX, EE, GS, LPS, and DS (see $ 146.09–15(b) of this part) may be used for handling cargo including the handling of such packaged flammable liquids. (CGFR 67-23, 32 F.R. 8150, June 7, 1967) & 146.21-60 Potable spirits.

Potable spirits packed in strong, tight barrels, drums, casks, wooden or Alberboard boxes may, when stowed in a compartment not subject to artificial heat,

Inflammable Uquids 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 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 inflam

be transported on board any vessel without further restriction. (CGFR 61-19, 16 F.R. 7220, July 24, 1961) 8 146.21-65 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 1s 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 artificial 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) Alphatic mercaptan mixturn.

(4) Aluminum triethyl and mixtures or solutions thereof.

(5) Aluminum trimethyl and mixtures or solutions thereof.

(6) Amyl mercaptan.
(7) Butyl mercaptan.
(8) Carbon bisulado (dloulade).
(9) Dimethyldichlorosilane.
(10) Ethyl chloride.
(11) Ethyl mercaptan.
(12) Ethyl trichlorosllano.
(18) Ethyldichlorkilano.
(14) Ethylone imine, inhibited.
(16) Ethylene ozide.

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

(17) Isopropyl mercaptan.

(18) Lithium aluminum bydride (ethereal).

(19) Methyl dichlorosllano.
(20) Methyl Vinyl ketono, inhibited.

(21) Methylchloromethyl othor, ankydrous.

(22) Mothylhydrasino.
(23) Methyltrichlorosilano.
(24) Nickol carbonyl.
(25) Pentaborane.

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

(27) Propyl mercaptan.

(28) Pyroforic fuel and mixtures or solutions thereof.

(282) Pyroforic solutions.

(29) Spirits of nitroglycerin exceeding ono percent by weight.

(80) Trichlorosilano. (81) Trimothylchlorosllano. (32) Dimethylhydrazino, unsymmetrical. (33) Vinyl trichlorosilano. (34) Zinc ethyl. (35) Zirconium, metallic, solutions

08 mixtures thereof.

(36) Methyl magnesium bromide in othy! 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 mix. tures and solutions thereof.

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

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

(42) Methyl aluminum sesquibromide and mixtures or solutions thereof. (CGPR 51-19, 16 F.R. 7219, July 24, 1951 as amended by CGFR 67-83, 22 PR. 8681, Oct. 29, 1957; CGFR 57-49, 22 F.R. 10062, Doc. 14, 1957; CGFR 58-9, 29 F.R. 4846, June 28, 1958, CGFR 58-48, 28 F.R. 9636, Dec. 12, 1968; CGFR 59-14, 24 FR. 6271, June 30, 1959; CGFR 62–11, 27 F.R. 5282, June 5, 1962; CGFR 64–20, 29 FR. 6791, May 23, 1964) $ 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 lquart 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)

compartment not subject to artificial heat. (CGFR 51–19, 16 F.R. 7221, July 24, 1951] $ 146.21-77 Limited quantity ship

ments of cements. (a) Cements, except cements containing carbon bisulfide, when packed in 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 a compartment not subject to artificial heat. (CGFR 65–52, 30 F.R. 15218, Dec. 9, 1965) $ 146.21-79 Limited quantity

ments of inks. (a) Inks, when packed in 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 a compartment not subject to artificial heat. (CGFR 65-52, 30 F.R. 15218, Dec. 9, 1965)

ship

$ 146.21-75 Limited quantity ship

ments of polishes. (&) Polishes, metal, stove, furniture and wood, lquid, 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 a

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Stowage:

"On deck protected." "On deck under cover." Outside contalners: Steelbarrels or drums: (DOT-6, 5A, 60,5G) not over

110 gal. cap. (DOT-8M) pot over 56 gal.cap. (DOT-170) BTO, not over 55

gal. cap. (DOT-17H,37A) WIC of glass

not over 9 pts, cap. each Cylindrical steel overpack: (DOT-6D) WIC DOT-28, not

over 55 gal. cap. Aluminum barrels or drums: (DOT-42B, 420) not over 110

gal. cap. (DOT-42H) not over 55 gal,

cap. Wooden barrels or kegs, WIO

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

gal. cap. Wooden boxes, (DOT-18A, 18B,

150, 16A, 19A, 19B) WIO, not over 10 gal. total cap. Fiberboard boxes, WIÒ (DOT12A, 12B) not over 66 lb. gr.

wt. Fiber or plywood drums (DOT

21C, 22A, 22B) WIC not over

1 gal. cap. Cylinders as prescribed for any

compressed gas except acoty. lene. Authorized for stowage “On

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

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

deck" and “First deck

below": Motor vehicle tank trucks complying with DOT regulations (trallerships and trainships only). Tank cars complying with

DOT regulations (trainships only).

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