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regulations in this part when being transported for hire except in compliance with the regulations in this part: Provided, however, That such vehicles are exempt from the provisions of the regulations in this part with respect to descriptions, descriptive name, packing, marking, labeling, and certification when having in the vehicle any permitted fireworks or small arms ammunition or any other dangerous articles or substances or any combustible liquid in tightly closed containers, provided such substances are not being carried by the automobile for hire. Such vehicles, their owners or operators shall, when entering upon and while being transported and when leaving a vessel, conform with all of the provisions of the regulations shown in the table in $ 146.27-100 applying to the transportation of such vehicles.

(b) Motorboats being transported on boat trailers shall be considered as part of the towing vehicle, and the provision of this section shall apply. Gasoline may be transported in the motorboat tanks, and in other containers, provided such tanks and containers are unbreakable, leakproof and have adequate closures. Containers shall not exceed 6 gallon capacity each, and two such containers shall be permitted for each engine. (CGFR 58-9, 23 F.R. 4842, June 28, 1958, As amended, CGFR 59-14, 24 F.R. 6268, June 30, 1959) 3 146.08–50 Cylinders laden in highway


(1) The installation is rigidly mounted and free of any movement other than normal vibration of operation.

(2) A shut-off control, easily accessible, is fitted to the fuel and electrical supply of refrigerating or heating equipment.

(3) The fuel storage tank, the fuel lines and the carburetor or other device shall be tight and show no signs of leakage.

(b) Refrigerating or heating equipment not fitted with automatic starting and stopping devices shall, if the vehicle operator desires the equipment to operate while on board the vessel, be started before the vehicle is taken on board. It may continue in operation while the vehicle is on the vessel, but if for any cause the motor ceases to operate it shall not be restarted until after the vehicle leaves the vessel.

(c) Vessels on voyages exceeding thirty (30) minutes duration shall provide a stowage for vehicles having refrigerating or heating equipment operated by internal combustion engines as will permit ready diffusion of exhaust gases to the open air. Passenger vehicles shall not be stowed in a position adjacent to vehicles operating internal combustion motors as would expose the occupants thereof to excessive concentrations of exhaust fumes from such motors.

(d) The master or person in charge of a vessel may, when he deems it necessary for any cause, require the vehicle operator to stop the operation of refrigerating or heating equipment attached to & ve. bicle while on board the vessel.

Cylinders of compressed gas of the type required by the regulations in this part to have valve protection cap fitted in place on the cylinder may be transported on board ferry vessels without having the valve protection cap in place when said cylinders are laden in highway vehicles and are not removed from the vehicles while on board the vessel 146.08–55 Vehicles having refrigerat

ing or heating equipment. (a) Vehicles, fitted with refrigerating or heating equipment using an inflammable liquid or gas or diesel oil as fuel, may be accepted for transportation, and such refrigerating or heating equipment may be operated while the vehicle is on board a vessel, provided the installation conforms with the following requirements:

Subpart 1.46.09—Cargo Handling and

Stowage Devices, U.S. Coast Guard Container Specifications SOURCE: The provisions of this Subpart 146.09 contained in order 74, 6 FR. 277, Jan. 11, 1941, unless otherwise noted. § 146.09–1 Magazines, location of.

(a) Magazines shall be located in a hold, preferably a tween deck hold that is dry and well ventilated. They shall be So located as not to be in horizontal proximity to crew or passenger accommodations nor below such Living spaces. Magazines shall not be built on or under the principal bridge or other navigation spaces. The bold or compartment in which & magazine is constructed shall provide a positive closing means to prevent all traffic through the area after

the explosives are stowed, except ingress and egress for inspection purposes.

(b) Magazines shall not be constructed in bearing with the collision bulkhead, nor with a bulkhead forming a boiler room, engine room, coal bunker or galley boundary. I it is necessary to construct a magazine in proximity to these bulkheads a cofferdam space of at least one foot shall be provided between the permanent bulkhead and the mag&zine bulkhead. This cofferdam space shall remain open to the free circulation of air and shall not be used for stowage or storage purposes.

(c) When a magazine is to be constructed over a tween deck hatch, the hatch girders or strongbacks and the batch covers forming the tween deck hatch shall be of such design and size as to insure their carrying the imposed load with safety. Covers of the tween deck and over deck hatch shall completely close the hatch opening and it securely in place. Tween deck batch covers of wood forming the base of the magazine shall be completely covered with asbestos board at least 44 inch thick, fitted tight at the sides of the magazine, the joints of the asbestos board being staggered midway between joints formed by the wooden hatch covers. Magazines shall be constructed in accordance with the applicable provisions of $ 146.09–2, except floor shall be formed by dunnaging over the asbestos board. In the construction of a magazine care should be taken that no metal structural parts protrude within the magazine. If it is proposed to carry the stowage of explosives up into the over deck hatch coaming, this coaming shall be sheathed with wood. A magazine located in the hatchway may be so constructed as to occupy only a part of the area of the batchway. Portable magazines may be stowed in the square of the hatchway and either lashed or tommed to prevent movement.

(d) Construction and location of magazines for stowage of explosives other than as provided in this subpart or as provided in 146.20-16 shall be authorized by the Commandant of the Coast Guard. (CGFR 59-14, 24 F.R. 5269, June 30, 1959, as amended by CGFR 65-17, 30 F.R. 7438, June 5, 1965) $ 146.09-2 Magazines, construction of.

The following shall be observed in the construction of a magazine for stowage

of explosives requiring magazine stowage:

(a) Magazines may be constructed of steel or wood.

(b) Magazines constructed of steel shall have the whole of the interior completely protected by wood sheathing of a minimum thickness of 3/4-inch to form & smooth surface, free of projections. Metal stanchions within the magazine shall be boxed with wood of a thickness of not less than 34-inch. When steel decks or tank tops are utilized to form the floor of a magazine, a wooden floor of not less than 1/4-inch commerical lumber, constructed on bearers shall be fitted. Such floor may be portable but tight to prevent movement.

(c) Magazines constructed of wood shall have the bulkheads forming the sides and ends constructed of commercial 1-inch lumber, of 34-inch tongue and groove sheathing, or of 34-inch plywood, secured to uprights of at least a 3- by 4-inch size, spaced not more than 18 inches apart and secured at top, bottom and center with horizontal bracing. When 34-inch plywood is used, the uprights may be spaced on 24-inch centers. Uprights shall not be stepped directly onto de metal deck. A 2- by 4-inch bearer to carry the uprights shall be laid upon the metal deck. A 2- by 4-inch header shall be fitted against the underside of an overhead deck to receive the top of uprights. Top of uprights fitted against channel beams may be wedged directly to the beam with 2- by 4-inch spacers fitted between. Care shall be taken in securing upright framing that no nails penetrate to the interior of the magazine. When & magazine is constructed as a permanent compartment in the vessel, increased size and finish of lumber and other methods of fastening may be used provided such fastenings are recessed below the surface of the boarding to avoid projections within the interior of the magazine. All boardings shall be fitted and finished so as to form a smooth surface within the interior of the magazine. Construction shall be such as to separate all containers of explosives from contact with metal surfaces of the structure of the vessel. When a metal stanchion, post or other obstruction is located within the interior area of the magazine, such obstruction must be completely covered with wood of a thickness of at least 34-inch secured in place with nails or screws. All screws or nails used in the magazine for fastenThis boarding need not be applied to the over deck beams when the explosives are not stowed closer than twelve (12) inches of such beams. If explosives are stowed up to the over deck beams and into the square of the hatch formed by the coaming such over deck beams including the hatch coaming shall be effectively boarded over. The installation of such boarding shall be in accordance with the specifications for the construction of a magazine, except when cargo battens are fitted to the vessel's shell or bulkheads forming part of the hold such boarding may be secured vertically using the battens as an anchorage for the necessary securing means. & 146.094 Ventilation of magazines.

Every magazine shall be eficiently ventilated. Cowl deck ventilators, when fitted into or immediately adjacent to the magazine, shall be covered with a fine wire screen of not less than a 30 x 30 mesh at the weather end of the ventilator. Magazines which occupy only a portion of a hold and are not fitted with a ventilator entering into the magazine shall be so constructed on one side as to leave an open space of not more than one inch below the over deck frame.

ing shall be countersunk below the surface of the wood. Flooring of magazines shall be of not less than 144-inch commercial lumber, constructed on bearers. Such floor may be portable but tight to prevent movement. The door of the magazine shall be of substantial construction, fitted reasonably tight in its jamb and provided with a locking means of a tamper-proof type. The door shall be so located as to be easily accessible.

(d) I the bulkheads forming the sides of a magazine are to be constructed directly against the ship's side and battens are fitted, then 546-inch plywood may be used, provided the plywood is fastened to furring strips of not less than 1 inch by 3 inches, spaced not more than 18 inches apart, and securely fastened vertically to the battens.

(e) A magazine constructed in accordance with the provisions of paragraphs (b) and (c) of this section, in which it is proposed to stow containers of explosives within 12 inches of the overdeck beams, or batch coaming, shall have such deck beams and coaming sheathed with wood similar to that required for metal stanchions, posts or other obstructions by the provisions of paragraph (c) of this section.

(1) When a Class A magazine measures more than 40 feet in any direction, & partition bulkhead shall be fitted within the magazine as near half length as practicable, extending from the deck to at least the top of the stowage. Such partition bulkhead shall be constructed to the same scantlings as the sides of the magazine, except the boardings may be spaced not more than 6 inches apart alternately on both sides of the uprights. This bulkhead shall be constructed before loading commences and care sball be exercised that nail points do not protrude beyond the surface of the boarding. (CGFR 69-14, 24 F.R. 6269, June 30, 1959, Es amended, CGFR 61-57, 26 FR. 12082, Dec. 16, 1961) 8 146.09–3 Entire hold forming maga

zine. When

entire compartment or hold is utilized for the stowage of explosives that are required by the regulations in this part to be given magazine stowage, the entire compartment may be considered as & magazine. The frames and bulkhead stiffeners protruding into the compartment shall be effectively boarded over to provide a smooth surface for the stowage of the explosives.

$ 146.09–5 Metal lockers for stowage of

fireworks. Metal lockers required to be provided for the stowage of fireworks (class B less dangerous explosives), permitted by the regulations in this part to be accepted and transported on board passenger vessels, shall conform to the following specifications:

(a) Size. The cubic capacity of a locker shall not exceed 150 cubic feet.

(b) Division. Lockers exceeding 5 feet in height shall be fitted with a division shelf at about 12 height so constructed as to carry the imposed load without deflection.

(c) Gauge. The thickness of metal used in the construction of lockers shall not be less than No. 16 U.8. standard gauge.

(d) Type of construction. Design and construction of lockers shall be such as to provide smooth interior surfaces. stiftener elements, when fitted, shall not project beyond interior surfaces. Lockers shall be fitted with top and bottom closures except when "built in" to the structure of the vessels with the over and under deck forming the top and bottom of the locker. “Bullt in" construc



tion shall not be accepted when the over meet the approval of the Commandant or under deck is of wood.

of the Coast Guard. (e) Closures. Closing means may be (b) Portable magazines shall be removable plates or the hinged door type, marked on the top and sides in letters provided that in either case the locker at least 3 inches high with the legend shall, when closed in, be flame tight. “EXPLOSIVES-HANDLE CAREFULLY-KILP Lockers having portable plate closing LIGHTS AND TIRE AWAY." means shall have an opening provided

(CGFR 69-14, 24 F.R. 6269, June 30, 1959, in an accessible side of the locker to per- as amended, CGFR 61-11, 26 FR. 8924, May mit insertion of a fire hose nozzle for 6, 1961, CGFR 64-20, 29 F.R. 6790, May 29, purpose of flooding. Such opening shall 1964; CGFR 65–17, 30 F.R. 7489, June 6, 1965) be of at least 3' in diameter, not more

$ 146.09_7 Specifications of moisture than 12" below the top of the locker, and

proofed paper bags. be atted with a metal flap cover to sub

SPTOLYICATTON MIN-W10 stantially preserve the iame tight re


TRANSPORTATION OF QUICKLIME BY WATER (f) Location. Lockers shall be so lo

General cated as to be readily accessible to companionways or cargo hatches. When 1, Compliance. Containers must comply fitted in vessels constructed of wood the with, or may exceed, details of the specificelockers shall be so located as to be easily


2. Capacity. Not over 100 pounds not. observed by a watchman on his rounds. Lockers shall be secured in place to pre

Material vent shifting in a seaway.

8. Paper. Kraft (100% sultato) paper. $ 146.09–6 Portable magazines for stow

4. Moisture proofing. Asphalt or other maage of explosives.

terial equal or superior to asphalt.

Construction Portable magazines used for the stowage of explosives shall conform to the 5. (a) Description. A multiwall paper bag following provisions:

constructed of not less than four plies, one

or more of which will be moisture proofed. (a) Portable magazines shall be constructed watertight of wood, or of metal

(b) Assembly of moisture proofed ply.

The assembly of the moisture proofed ply ined with wood 34-inch minimum

will be accomplished by combining two sheets thickness. Not more than 100 cubic

of Kraft (100% sulfate) paper having a basis feet plus 10 percent of explosives (gross)

weight of not less than 20 pounds each with shall be stowed therein.

not less than 25 pounds of asphalt applied (b) All inner surfaces of the magazine evenly to the paper surface. shall be smooth and free of nails, screws (c) Alternate moisture proofed ply. Any or other projections.

other moisture proofed Kraft paper of a total (c) When constructed of wood the basis weight of not less than 40 pounds scantlings and arrangement shall be not

before treatment, whose moisture proofed less than those required by $ 146.09-2,

qualities are equal or superior to the above

asphalt treated paper as determined by the and a strong, close fitting hinged cover

Thwing Vapometer test for moisture-papor or door fitted with hasps and padlock

transmission. shall be provided.

(d) Additional plies. Remaining plies of (d) When constructed of metal, the

the bag will be constructed of Kraft (100%) minimum thickness shall be not less than

sulfate paper, each sbeet having a basis Yo-inch sheet.

weight of not less than 40 pounds, and a Kady (e) Runners, bearers, or skids shall be or Mullen test of 40 pounds per square inch. provided to elevate the magazine a mini- The combined weight of sald remaining plies mum of 4 inches from the deck. Pad to be not less than the weights given in the eyes, ring bolts, or other suitable means following table:

Combined weight shall be provided for securing, and they shall be so lashed, chocked or braced as

of remaining plies

in addition to prevent movement in any direction.

moisture proofed (f) Portable magazines shall be stowed

Approximate weight of ply described in in the square of a tween deck hatch


(5) (6) except when other stowage is authorized

To and including 50 pounds.. 130 pounds by $ 146.20-16.

61 pounds to and including (g) Portable magazine containers may

80 pounds.--

150 pounds be used for the stowage of explosives

81 pounds to and including exceeding 100 cubic feet plus 10 percent 100 pounds--

170 pounds (gross) under such conditions of con- All weights given are on the basis of 480 struction, handling and stowage that (24 x 86 inch) sheets.

(e) Longitudinal seams. Longitudinal seams made by lapping not less than one inch and pasting.

(1) Bottom closure. Bottom closure made by folding and interlapping and pasting; or taped sewed and dipped in a waterproofing compound; or sewed and taped over stitching.

(8) Top closure. By wire tles consisting of not less than two No. 16 Birmingham wire gauge or heavier wires; or by valve mouth with top of bag folded and interlapped and pasted; or by valve mouth with top of bag taped, sewed and dipped in waterproofing compound; or sewed and taped over stitching.

8. Test. The finished container, filled and closed, must be capable of withstanding a drop test of 4 feet on the butt without sifting or rupture of any ply.

Marking 7. In each container. By marks at least one inch high as follows:

(2) Min-W10. This marking shall be understood to certify that the container complies with all specification requirements.

(b) Name and address of maker located above or below the mark specided in (7) (a). $ 146.09–8 Specifications of moisture

proofed paper lined burlap bags.





burlap in the direction of the warp and filling and equal to 10 percent in a diagonal direction.

(e) Seams. Bags must be made with comented center seams and taped bottoms to make them silt proof and airtight and to provide strength at least equal to the bag material.

(1) Closure. Bags to be wire tied with two No. 16 Birmingham wire gauge or heavier wire ties.

6. Test. The Anished container, filled and closed, must be capable of withstanding a drop test of 4 feet on the butt without suiting or rupture of any ply.

Marking 7. On each container. By marks at least 1 inch high as follows:

(a) MIN-W11. This marking shall be un. derstood to certity that the container complies with all specification requirements.

(b) Name and address of maker located above or below the mark specified in (7)(a). 8 146.09–11 Chutes and conveyors for

handling explosives. (a) Chutes for loading and unloading explosives shall be constructed as follows: of smooth planed boards not less than 1" thick. Side guards of the same material 4" high. Assembly shall be with brass screws only. D-shaped wooden strips or runners not more than 6" apart and running lengthwise of the chute shall be fastened to the upper surface of the slide by means of glue and wooden dowels extended through the bottom of the chute. No metallic means of construction shall protrude beyond the inner face of the chute. Four lashing rings shall be provided, one at each outside corner of the chute for purposes of securing during use. No specification marking required.

(b) Roller conveyors constructed of aluminum or other non-sparking material may be used for loading or unloading explosives. The conveyor shall be grounded when in use, and suitable brakes provided when the angle of descent is such as to make them necessary.

(c) Powered conveyors may be used when the design, construction and specifications are approved by the Commandant of the Coast Guard. (CGFR 56–29, 21 F.R. 7055, Sept. 20, 1966) 8 146.09–12 Mattresses for explosives.

Landing mattress for loading or unloading explosives. A stuffed mattress at least 4' wide by 6' long and not less than 4" thick, or a heavy jute or hemp mat of like dimensions, are acceptable landing mattresses.

1. Compliance. Containers must comply with, or may exceed, details of the speci. fications.

2. Capacity. Not over 100 pounds net.


8. Burlap. At least equal in equallty and strength to 71/2 ounce 40 inch (712/40) Calcutta common burlap. Thread count at least 9 per inch warp and 9 per inch filler.

4. Paper. No. 1 Kraft creped. Finished weight of 40 pounds per ream (480 sheets 24 x 36 inch) after creping.


8. (a) Description. Burlap bag lined with a water proofed paper lining.

(b) Assembly of moisture proofed lining. The assembly of the moisture proofed Uning will be accomplished by combining two plies of creped paper having a finished weight of not less than 40 pounds each, evenly coated between the two plies with asphalt of any desirable type, of minimum 150° F. melting point, over the entire area of paper, with minimum coverage of 110 pounds per ream.

(c) Assembly of moisture proofed ply and burlap. The burlap will be lined with the moisture proofed creped paper by cementing together with a suitable latex compounded adhesive to securely attach paper lining to the burlap.

(d) Stretch of paper lining. After they are cemented to the burlap the stretch of the paper lining must equal the stretch of the

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