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vent such packages from falling to the floor or from having anything fall on them or slide against them during transit.

NOTE: For recommended methods of blocking and bracing, see Bureau of Explosives' Pamphlet 6.

(d) Explosives in local trains. To prevent delays to local freight trains, when there are shipments of explosives for different destinations loaded in a "peddle car" or "way car," the shipments for each destination must be stayed separately.

(e) Material for staying explosives. Forwarding and transfer stations for explosives must be provided with the necessary materials for staying.

(f) Heater cars banned. Explosives named in § 80.268 (a) (1), (2), inflammable liquids (red label) and inflammable gases (red label), must not be loaded in cars equipped with lighted heaters.** [Pars. 651-656]

80.284 Mixed loading and storage forbidden. Explosives named in § 80.268 (a) (1) that require a certified car, placarded "Explosives," must not be transported in the same car with, nor stored on railway property near, any of the dangerous articles other than explosives for which red, yellow, green, or white (acid or corrosive liquid) labels are prescribed herein, nor with charged electric storage batteries.

Explosives must not be loaded together nor with other dangerous articles, except as provided in the loading chart (see Part 73).** [Par. 657]

80.285 Explosives loaded to prevent injury and avoid transfer. In a car containing explosives, all other freight must be so loaded, and if necessary so braced and stayed, as to prevent injury to packages of explosives during transit. When practicable, explosives should be loaded so as to avoid transfer at stations.** [Par. 658]

80.286 Nonagency loading and unloading of explosives. If shipments of explosives are accepted at nonagency stations, provisions must be made for the proper certification and placarding of cars, examination of shipments, and loading and staying of packages in

cars.

Shipments of explosives must not be unloaded at nonagency stations unless the consignee is there to receive them or unless properly locked and secure storage facilities are provided at that point for their protection.

If delivery can not be so made, shipment must be taken to next or nearest agency station for delivery.*† [Par. 659]

80.287 Loading of dangerous articles other than explosives. Packages protected by labels must be so loaded that they can not fall to the car floor and in such manner that other freight can not fall onto or slide against them. Dangerous articles for which red, yellow, green, or white (acid or corrosive liquid) labels are prescribed herein, must not be loaded in the same car with explosives named in § 80.268 (a) (1). (See loading chart, part 73.) Packages protected by yellow labels must not be loaded in the same end of a car with packages protected by "Acid" or "Corrosive Liquid” labels.

*For statutory citation, see note to § 80.1.

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Metal barrels or drums containing inflammable liquids and cylinders containing compressed gases may be loaded on steel gondola or flat cars or into stock cars, but must not be loaded into hopper bottom cars.* [Par. 660]

NOTE: For recommended methods of blocking and bracing, see Bureau of Explosives' Pamphlet 6.

80.288 Loading matches. (a) Less-than-carload lots of "strikeanywhere" matches should be carefully loaded so that they can not fall to the car floor and so that other packages of freight can not fall on or injure them. Whenever practicable the packages of matches should be placed to facilitate ready removal from the car in case of fire. A smoking box of matches should not be broken open; the fire will cease of itself if air can be kept from it.

(b) Carload or less-than-carload lots of "strike-anywhere" matches which have been damaged by fire, or by water in extinguishing a fire, in transit or on carrier's property, must be reloaded in properly prepared cars, and braced or blocked before being forwarded to destination, to freight claim department or claim adjusters, or to original shipper or other parties for salvage. Great care should be taken to examine and repair damaged outside packages before reloading into car. All loose matches should first be destroyed. Individual interior boxes and paper-wrapped cartons or packages, as described in § 80.135 (f), (g), should then be carefully placed in tight outside packages complying, as nearly as circumstances will permit, with container specifications; but under no condition shall the outside package be of less strength than required by specification 15A, nor of greater capacity than authorized. Charred cases must not be used. Boards used in repairing wooden cases must be so nailed that they will not allow any interior boxes, cartons, or packages to fall out. In the event that the individual boxes or paper-wrapped packages do not fit snugly in the outside package, the vacant spaces should be filled tightly with dry and clean cotton waste, or elastic wads from dry newspapers or dry waste paper.*t [Par. 661]

80.289 Loading acids and other corrosive liquids and materials. (a) Carboys of acids or other corrosive liquids, except glacial acetic acid, should not be loaded in refrigerator cars. They must be so blocked and braced that they can not change position during transit when being handled with reasonable care. Carboys of nitric acid must not be loaded in box cars more than two tiers high. Car doors may be cleated in an open position if desired. Whenever practicable, flat cars should be used for loading carboys of acids.

reasonable_care.

(b) When less-than-carload shipments are loaded with other freight, the carboys must be placed near the doorways and must have wooden strips not less than 2 inches in height nailed to the car floor about 8 inches from the bracing. These strips must be arranged so that the liquid from a broken carboy will drain toward the doorway and outside the car. The space between the strips and the floor braces or blocking used for staying the carboy boxes must be covered with at least 1 inch thickness of clean and dry sand or earth, not sawdust or other combustible material. [As amended Dec. 15, 1931]

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*For statutory citation, see note to § 80.1.

(c) Nitric acid, when loaded in the same car with other acids or other corrosive liquids in carboys, must be separated from the other carboys. A 2- by 6-inch plank, set on edge, should be nailed across the car floor at least 12 inches from the nitric acid carboys, and the space between the plank and the carboys of nitric acid should be filled with sand, sifted ashes, or other incombustible absorbent material.

(d) Less-than-carload shipments of unboxed electric storage batteries (wet) must be so blocked and braced that they cannot change position during transit when cars are handled with reasonable care; and must be so loaded that other freight can not fall onto or slide against them. [As added Nov. 1, 1934]*+ [Par. 662]

80.290 Loading cylinders of compressed gases. Cylinders containing compressed gases must be loaded on their sides except when packed in boxes or crates, or when placed in suitable permanent racks in cars, or when securely braced.** [Par. 663]

80.291 Loading semihazardous materials-(a) Materials protected from sparks or water. Carload lots of alfalfa feed, so-called wet mixed feed, crude camphor, cotton, cotton batting, cotton wadding, cotton waste, excelsior, fiber, hay, hemp, jute, oakum, oil-well cables, rags, sawdust, sulphur, tow or straw, or other articles liable to be ignited by sparks, as well as unslacked lime and calcium carbide, both of which must be protected from water, should, when practicable, be loaded in tight cars with doors stripped, and this stripping for doors necessary to make cars sparkproof must be applied by the person loading the car.

(b) Materials after cooling. Lime, coke, including petroleum coke, coal briquets, chipped bone, ashes, or similar substances, must not be loaded in cars until thoroughly cooled.

(c) Storage batteries. Charged electric storage batteries for shipment must be completely protected so that short circuits will be prevented, and must not be loaded or stored with explosives. [As amended Oct. 14, 1932]

(d) Materials containing electrolyte. Before carload shipments of unwashed, exhausted, storage battery parts, including plates or other elements containing electrolyte, are loaded, cars to be used must be swept broom clean. Less-than-carload shipments must be packed in wooden boxes or barrels, or in iron or steel drums without holes in bottoms or sides.

(e) Materials containing sulphuric acid. Untreated lead dross, scrap, or waste from sulphuric acid tanks, or sulphate of lead containing free sulphuric acid, must be mixed with a sufficient quantity of sawdust or similar material to absorb the liquid, and must be packed for shipment in tight, wooden barrels.*+ [Pars. 664-668]

80.292 Empty containers. (a) Empty cylinders, barrels, kegs, or drums, previously used for the shipment of an inflammable, poisonous, or corrosive, gas or liquid, must have their filling and vent holes properly closed. They may be loaded in open or stock cars when desired. Cars should not be placarded, but lighted lanterns or other open-flame lights should be kept away.

*For statutory citation, see note to § 80.1.

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(b) Carboys previously used for the shipment of corrosive liquids when presented to carriers for transportation in carload or less-thancarload shipments as "empty" carboys, must be thoroughly (completely) drained. (See § 80.251 (h).) Whenever practicable they should not be loaded in car containing valuable or perishable freight. [As amended Dec. 10, 1935]

(c) Empty bottles previously used for the shipment of nitric acid or nitric-acid mixtures should be securely stoppered.*+ [Par. 669]

80.293 Lights used in handling explosives. When necessary to use lights while handling explosives, it is recommended that where practicable incandescent electric lights be provided.** [Par. 670]

80.294 Precautions against inflammable vapors. (a) A box car or a container of a container car placarded "Inflammable," or known to contain inflammable liquids, must not be entered with a lighted lantern, torch, or other fire, until both car doors have been opened and sufficient time allowed for ventilation and escape of any vapors. The presence of these vapors will generally be indicated by characteristic odors. When leakage is continuous, ventilation will not remove the danger. The leaking package should be located and removed, using electric lights or waiting for daylight. [As amended Oct. 14, 1932]

(b) Delivery to carrier or transportation of cars fumigated with inflammable liquids is prohibited until 48 hours have elapsed after fumigation.** [Par. 671]

80.295 Handling loaded cars-(a) Cars placarded and in condition before movement. (1) A car known to require certificates and the "Explosives" placards must not be taken from a station, siding, transfer station, interchange point, siding, or yard, unless the car is properly placarded and certified as per §§ 80.274 (f), 80.278 (a), and unless the car is in proper condition.

(2) The carrier must see that its representative in charge of a station, siding, yard, or terminal, from which cars are taken makes a thorough check and record of the cars bearing "Explosives," "Inflammable," "Corrosive Liquid," "Compressed Gas," "Poisonous," or "Poison Gas," placards with the billing, to see that all required placards and certificates are attached, that those not required are removed, and that placarded cars are placed in trains as required by the regulations in Parts 72-80.

(b) Notice to train crews. The carrier must make proper provision for notifying the train and engine crew of the presence and location in the train of cars placarded "Explosives."

(c) Expediting; fire or accident duty. Every possible effort must be made to expedite the movement of cars placarded "Explosives" and no unnecessary delay shall be allowed to occur at initial, interchange, or transfer stations, nor in yards. It must be the duty of some designated employee to see that in case of fire or accident these cars are moved to a place of safety.

(d) Replacement of placards and certificates. Cars placarded "Explosives" must be frequently inspected to see that the placards

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*For statutory citation, see note to § 80.1.

and car certificates are intact. Whenever placards become detached or lost in transit, the employee of the carrier in charge of the train must see that they are replaced on arrival at the next division terminal yard if a through freight train, or at first station stop if a local freight train.

(e) Explosives and inflammables on mixed trains. Between points where separate trains are operated for freight service only, cars containing explosives must not be handled in a train that carries passengers. Between points where only mixed-train service is operated, or where passengers are carried in the caboose car of a freight train a car containing a freight shipment of explosives, or a tank car placarded "Inflammable," may be hauled, but such cars must not be placed next to cars carrying passengers; and whenever it is practicable to do so cars placarded "Explosives" must be placed between cars not bearing "Inflammable," "Corrosive Liquid," "Compressed Gas," "Poisonous," or "Poison Gas" placards. Cars placarded "Explosives" must have air and hand brakes in service. [As amended Apr. 7, 1931]

(f) Position of explosives and loaded placarded tank cars in trains. (1) Cars placarded "Explosives" must be placed in through freight trains near the middle of the trains and must not be nearer than the sixteenth car from the engine, electric locomotive, or motor car, nor the eleventh car from the caboose, if the length of the train will permit. Where helper engines or electric locomotives are employed ahead of caboose, cars placarded "Explosives" must be separated from such helpers by at least one car.

(2) Cars placarded "Explosives" may be placed in local freight, local pickup, and local set-out trains not nearer than the second car from the engine, electric locomotive, or motor car, or caboose, when placing them near the middle of the train would require additional switching at way stations.

(3) Cars placarded "Explosives" must not be placed in through or local trains next to loaded tank cars, wooden-frame flat or gondola cars, carloads of pipe, lumber, poles, iron, steel, or similar articles liable to break through end of car placarded "Explosives" from rough handling; refrigerator cars equipped with automatic refrig eration of the gas burning type; nor next to cars containing lighted heaters, stoves, or lanterns; or cars with live stock or poultry in charge of an attendant.

(4) Cars placarded "Explosives" must not be placed in through or local trains next to box cars which bear "Inflammable" or "Corrosive Liquid" placards, unless the remainder of the train consists only of such cars, or is made up entirely of placarded cars, or cars listed in subparagraph (3).

(5) Placarded loaded tank cars must not be placed in trains next to cars containing lighted heaters, stoves, or lanterns; nor next to refrigerator cars equipped with automatic refrigeration of the gasburning type; nor next to gondola or flat cars with lading such as logs, lumber, rails, or pipe, that is likely to shift; and when practicable must be placed not nearer than the sixth car from the engine, electric locomotive, or motor car, or caboose.

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