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Subpart-Cargo Handling and Stowage Devices,
U. S. Coast Guard Container Specifications Sec. 146.09-1 Magazines, location of. 146.09-2 Magazines, construction of. 146.09-3 Entire hold forming magazine. 146.09-4 Ventilation of magazines. 146.09-5 Metal lockers for stowage of fire
works. 146.09-6 Portable magazine chest and port
able magazine containers. 146.09-7 Specifications of moisture proofed
paper bags. 146.09-8 Specifications of moisture proofed
paper lined burlap bags. 146.09-11 Chutes and conveyors for han
dling explosives. 146.09-12 Mattresses for explosives.
Subpart-Barges 148.10-1 Barge defined. 146.10-2 Application of regulations. 146.10-3 Barges classified. 146.10-4 Carfloats and barges used as car
floats. 146.10-5 On deck protection. 146.10-6 Stowage of explosives. 146.10–50 Stowage of explosives or other
dangerous articles or substances
on board barges.
Explosives 146.20-1 An explosive. 146.20-3 Prohibited or not permitted ex
plosives. 146.20-5 Acceptable explosives. 146.20–7 Class A explosives. 146.20-9 Class B explosives. 146.20-11 Class C explosives. 146.20-13 Samples of explosives and ex
plosive articles for laboratory
and examination purposes. 146.20-15 Stowage of explosives. 146.20-17 Stowage of explosives in holds
containing coal. 146.20–19 On deck stowage of explosives. 146.20-21 Stowage of fireworks. 146.20-23 Stowage of explosives in maga
zines adjacent to other dan
gerous articles. 146.20-25 Stowage of explosives and non
dangerous cargo. 146.20-27 Stowage and dunnaging of con
tainers of explosives. 146.20-29 Preparation of magazines, decks.
hatches and holds before han
dling explosives. 146.20-31 Loading and unloading explo
sives. 146.20–33 Constructing of magazines. 146.20-35 Handling explosives. 146.20-37 Cargo working equipment. 146.20-39 Installation of loading chute. 146.20-41 Lights, tools and equipment. 146.20-43 Fires. 146.20-45 Smoking. 146.20-47 Liquor or drugs. 146.20-49 Damaged or leaking containers
Sec. 146.20-51 Containers found damaged or
leaking on board vessels. 146.20–53 Magazine vessels storing explo
sives. 146.20-55 Lighting in stowage comparte
ments. 148.20-57 Handling explosives; magazine
vessels. 146.20-59 Living quarters on magazine
vessels. 146.20-61 Lamp box on magazine vessels. 146.20-63 Storage of other dangerous arti
cles. 146.20-65 Magazine vessels' stores. 146.20-67 Matches. 146.20-69 Firearms. 146.20–71 Fire extinguishing equipment. 146.20-73 Supervision of magazine vessels. 146.20-75 Unauthorized persons on maga
zine vessels. 146.20-77 Repacking of explosives on board
magazine vessels. 148.20-79 Work boat. 146.20-81 Life preservers. 146.20-83 Fenders. 146.20-85 Authorization to load or dis
charge explosives. 146.20-87 Permits for Class A explosives. 146.20-90 Stowage and storage chart of ex
plosives and other dangerous
articles. 146.20-100 Table A-Classification: Class A;
dangerous explosives. 146.20–200 Table B-Classification: Class B;
less dangerous explosives. 146.20–300 Table C-Classification: Class C;
relatively safe explosives. Subpart-Detailed Regulations Governing
Inflammable Liquids 146.21-1 Definition of inflammable liquid. 146.21-10 Export shipments of inflam
mable liquids. 146.21 - 15 Stowage on board vessels. 146.21-20 "On deck" stowage. 146.21-25 “Under deck" stowage. 146.21-30 Prohibited stowage. 146.21-35 Boundary bulkheads. 146.21-40 Hatch closing means. 146.21-45 Ventilation. 146.21-50 Electrical equipment in holds. 146.21-55 Smoking prohibited. warning
signs. 146.21-60 Potable spirits. 146.21-65 Limited quantity shipments 146.21-70 Limited quantity shipments of
paint products. 146.21-75 Limited quantity shipments of
polishes. 146.21-100 Table D--Classification: Inflam.
mable liquids. Subpari-Detailed Regulations Governing In
flammable Solids and Oxidizing Materials 146.22-1 Definition of inflammable solids
and oxidizing materials. 146.22-5 Stowage on board vessels. 146.22-10 Limitation of "On deck" stow
Sec. 146.22-15 Mixed stowages of oxidizing ma
terials. 146.22-20 Stowage of charcoal. 146.22-25 Exemptions for inflammable
solids and oxidizing materials. 146.22-30 Authorization to load or dis
charge ammonium nitrate and
ammonium nitrate fertilizers. 146.22-35 Elemental phosphorus in water
in bulk. 146.22-100 Table E-Classification: Inflam
mable solids and oxidizing
Corrosive Liquids 146.23-1 Definitions of corrosive liquids. 146.23-5 Stowage on board vessels. 146.23-10 General stowage requirements. 146.23-15 Stowage of glass carboys. 146.23-20 "On deck” stowage requirements. 146.23-25 Stowage on vessels carrying ex
plosives. 146.23-30 Exemptions for corrosive liquids. 146.23-35 Sulfuric acid in bulk. 146.23-50 Hydrochloric acid in bulk. 146.23-100 Table F-Classification: Corro
Compressed Gases 146.24-1 Definition of compressed gases 146.24-10 Mixtures of compressed gas and
poisonous materials. 146.24-15 Containers. 146.24-20 Exemptions
compressed gases. 146.24-25 Stowage on board vessels. 146.24-30 "On deck" stowage. 146.24-35 "Under deck" Stowage. 146.24-40 Stowage clearance. 146.24-50 Stowage securing means. 146.24-55 Stowage of compressed gases and
other dangerous articles. 146.24-60 Stowage of cylinders containing
chlorine. 146.24-65 Instructions regarding lights
and smoking. 146.24-70 Leaking cylinders not accepted. 146.2475 Report of leaking or damaged
cylinders. 146.24-80 Liquid chlorine in bulk. 146.24–85 Anhydrous ammonia in bulk. 146.24-100 Table G-Classification: Com
Poisonous Articles 146.25-1 Definition of poisonous articles. 146.25-5 Extremely dangerous poisons,
Class A, poison gas label. 146.25-10 Less dangerous poisons, Class B,
liquids and solids, polson la
Sec. 146.25-25 Exemptions for radioactive ma
terials. 146.25-30 Packing and shielding of radio
active materials. 146.25-35 Stowage and handling on board
vessels. 146.25-40 Limitation of "On deck" stowage. 146.25-45 Limitation on all stowage. 146.25-50 Care following leakage or sifting
of poisonous articles. 146.25-55 Exemptions for poisons, Class B. 146.25-60 Cylinder valve protection. 146.25–100 Table H-Classification: Class A;
extremely dangerous poisons. 146.25–200 Table HClassification: Class B;
less dangerous poisons. 146.25–300 Table H-Classification: Class C;
or irritating sub
stances. 146.25-400 Table H-Classification: Class D;
radioactive materials. Subpart-Detailed Regulations Governing
Combustible Liquids 146.26-1 Definition of combustible
liquids. 146.26-5 Application to passenger vessels. 146.26-10 Stowage
on board passenger
vessels. 146.26-15 Smoking or open flame prohib
ited. 146.26-20 "On deck" Stowage. 146.26-25 “Under deck" stowage. 146.26-30 Potable spirits. 146.26-100 Table J-Classification: Com
Hazardous Articles 146.27-1 Definition of a hazardous article. 146.27-5 Liquids exempt. 146.27-10 Stowage on board vessels. 146.27-15 General stowage requirement. 146.27-20 Protection for "On deck" stow
age. 146.27-25 Requirements and conditions for
loading, stowing and trans
porting baled cotton. 146.27-100 Table K-Classification: Hazard
Regulations 146.28-1 Scope. 146.28-2 Reused single-trip containers. 146.28-6 Additional containers for rubber
scrap. 146.28–7 Additional type tank cars for gaso
line. 146.28-8 Additional containers for gasoline. 146.28-13 Additional type tank cars for in
flammable liquids. 146.28-14 Additional containers for inflam
mable liquids. 146.28–15 Additional containers for rubber
cement. 146.28-17 Additional containers for chromic
Sec. 146.28–20 Additional containers for methyl
bromide, liquid. 146.28–21 Additional containers for poison
ous liquids. 146.28–22 Increase of weight limitation for
Class B poisonous solids. Subpart-Detailed Regulations Governing the
Transportation of Military Explosives on Board
Vessels. 146.29–3 Scope. 146.29-5 Regulations not applicable. 146.29-7 Port security regulations. 146.29-9 Import shipments. 146.29-11 Definitions and abbreviations. 146.29-13 Permit for handling military ex
plosives. 146.29-15 Authority to load, handle or dis
charge; facilities and use. 146.29-17 Prohibited explosives. 146.29-19 Explosives loading supervisory
detail. 146.29-21 Personnel identification. 146.29-23 Ship's officer present. 146.29-25 Fires and fire protection. 146.29-27 Fire hose. 146.29-29 Smoking. 146.29-31 Liquor or drugs. 146.29-33 Cargo working gear and equip
ment. 146.29-35 Lights, tools and portable equip
ment. 146.29-37 Handling drafts of lumber. 146.29-39 Handling and slinging of explo
sives. 146.29-41 Weight per draft. 146.29-43 Requirement for the opening of
hatches. 148.29-45 Loading or unloading military
explosives and other cargo
simultaneously. 146.29-17 Packing and marking. 146.29-49 Stowage on board barges. 146.29-51 Stowage on board vessels. 146.29-53 Stowage of military explosives
in holds containing coal. 146.29-55 Stowage of military explosives in
holds containing household or personal effects and/or mall as
cargo. 146.29-57 "On deck" stowage. 146.29-59 Stowage adjacent to other dan
gerous articles. 146.29-61 Stowage with nondangerous
cargo in the same hold. 146.29-63 Stowage and dunnaging of am
munition and containers of
explosives in bulk. 146.29-65 Damaged or leaking containers
of explosives. 146.29-67 Defective ammunition. 146.29-69 Recoopering damaged packages. 146.29-71 Constructing magazines. 146.29-73 Preparation of magazines, decks,
hatches and holds for han.
dling military explosives. 146.29-75 Location of magazines and am
munition stowage. 146.29-77 Allocation of stowage.
Sec. 146.29-79 Types of stowage. 146.29-81 Magazine stowage A. 146.29–83 Ammunition stowage. 146.29-85 Chemical ammunition stowage. 146.29-87 Special stowage. 146.29-89 Portable magazine stowage. 146.29-91 Pyrotechnic stowage. 146.29-93 Stowage of blasting caps, deto
nators, primer detonators, etc. 146.29-95 Ventilation of magazines. 146.29-97 Statements of characteristic
properties and hazards. 146.29-99 Explosives admixture chart. 146.29-100 Classification, handling
and stowage chart. AUTHORITY: $ $ 146.01–1 to 146.29-100 issued under R. S. 4405, as amended, 4462, as amended, 4472, as amended; 46 U. S. C. 375, 416, 170. Interpret or apply sec. 3, 68 Stat. 675; 50 U. S. C. 198, E. O. 10402, 17 F. R. 9917, 3 CFR, 1952 Supp. Other statutory provisions interpreted or applied are cited to text in parentheses.
CROSS REFERENCE; For regulations of the Interstate Commerce Commission relating to the transportation of explosives and other dangerous articles, see 49 CFR Parts 71-78.
SUBPART-PREFACE SOURCE: $$ 146.01-1 to 146.01-12 contained in Order 74, 6 F. R. 254, Jan, 11, 1941, except as otherwise noted.
$ 146.01-1 Purpose of regulations. The purpose of the regulations in this subchapter is to promote safety in the handling, stowage, storage and transportation of explosives or other dangerous articles or substances, and combustible liquids, as defined herein, on board vessels on any navigable waters within the limits of the jurisdiction of the United States including its territories and possessions excepting only the Panama Canal Zone and to make more effective the provisions of the International Convention for the Safety of Life at Sea, 1948, relative to the carriage of dangerous goods. (Order 74, 6 F. R. 254, Jan. 11, 1941, as amended by CGFR 47–35, 12 F. R. 4184, June 27, 1947; CGFR 53-26, 18 F. R. 5205, Sept. 1, 1953)
$ 146.01–2 Source of regulations. The Commandant of the Coast Guard shall by regulation define, describe, name and classify all explosives or other dangerous articles or substances, and combustible liquids and shall establish such regulations as may be necessary to make effective the purpose intended. (Order 74, 6 F. R. 254, Jan 11, 1941, as amended by CGFR 47–35, 12 F R. 4184, June 27, 1947)
§ 146.01–3 Plan of regulations. Regulations setting forth general requirements covering the transportation of explosives or other dangerous articles or substances, and combustible liquids will be found in $$ 146.01–1 to 146.10–50. Regulations setting forth detailed requirements applicable to individual substances will be found under their particular classification in $$ 146.20–1 to 146.27100.
$ 146.01–4 Classifications. Explosives or other dangerous articles or substances, and combustible liquids are classified in the regulations in this part according to their principal characteristics and properties as follows: Explosives:
Class A-Dangerous explosives.
Class C-Relatively safe explosives.
Extremely dangerous poison, Class A.
§ 146.01–5 Changes in regulations. Changes in regulations usually result from the development of new information, altered conditions, improvement in manufacture, or modernized commercial practices. Proposals for changes will be considered by the Commandant of the Coast Guard on his own motion or upon a request submitted by any carrier interest, by industry, or other interested party. [Order 74, 6 F. R. 254, Jan. 11, 1941, as amended by CGFR 47–35, 12 F. R. 4184, June 27, 1947)
$ 146.01-6 Provision for notice and public hearing. Additions, alterations, amendments or repeals of any of the regulations in this subchapter except in an emergency, shall be published and public hearings with respect thereto shall be held on such notice as the Commandant of the Coast Guard deems advisable under the circumstances. Any additions, alterations, amendments or repeals shall, unless a shorter time is authorized by the Commandant of the
Coast Guard take effect 90 days after their promulgation. (Order 74, 6 F. R. 254, Jan. 11, 1941, as amended by CGFR 47–35, 12 F. R. 4184, June 27, 1947)
§ 146.01–7 Inflammable or combustible liquids in bulk. Nothing in the regulations in this part shall be construed as affecting the transportation of inflammable or combustible liquids in bulk, such transportation being governed by the regulations promulgated under the provisions of section 4417a of the Revised Statutes, as amended (49 Stat. 1889, sec. 3, 54 Stat. 1028; 46 U. S. C. 391a).
§ 146.01–8 Effective date of regulations. The regulations in this subchapter became effective on and after April 9, 1941. (CGFR 53–26, 18 F. R. 5205, Sept. 1, 1953)
§ 146.01–9 Supersedes existing rulings. All rulings in existence on the effective date of the regulations in this part regarding transportation, packing, marking, labeling or storage, as cargo, of explosives or other dangerous articles or substances, and combustible liquids, on board vessels as promulgated by the office of the Director of the Bureau of Marine Inspection and Navigation are superseded by the regulations in this part; except nothing in this provision shall be construed as affecting the transportation of inflammable or combustible liquids in bulk under the provisions of section 4417a of the Revised Statutes,
as amended (46 U. S. C. 391a).
$ 146.01–10 Supersedes existing regulations. General rules and regulations in existence on the effective date of the regulations in this part (Apr. 9, 1941) regarding the transportation, packing or stowage, as cargo, on board passenger vessels of hay, straw, baled cotton, baled hemp, or other inflammable material, and refined petroleum having a flashpoint of not less than 110° F., lubricating oils, kerosene or other illuminating oils as promulgated by the Board of Supervising Inspectors of the Bureau of Marine Inspection and Navigation are superseded by the regulations in this part.
$ 146.01–11 Other requirements under title 52 of the Revised Statutes. Nothing contained in the regulations in this subchapter shall be construed as relieving any vessel subject to the provisions of the regulations in this part from any other of the requirements of title 52 (secs. 4399 to 4500, inclusive) of the Revised Statutes or acts amendatory or supplementary thereto and regulations thereunder applicable to such vessel, which are not inconsistent herewith.
$ 146.01–12 Local regulations. Nothing in the regulations in this subchapter shall be construed as preventing the enforcement of reasonable local regulations, now in effect or hereafter adopted, when such regulations are not inconsistent or in conflict with the provisions of the regulations in this part.
SUBPART-GENERAL REGULATIONS SOURCE: $ $ 146.02–1 to 146.02-22 contained in Order 74, 6 F. R. 256, Jan. 11, 1941, as amended by CGFR 47–35, 12 F. R. 4184, June 27, 1947, except as otherwise noted.
$ 146.02–1 Scope of regulations. (a) The regulations in this part define explosives or other dangerous articles or substances, and combustible liquids for purposes of safety in transportation or storage on board vessels;
(b) Set forth the requirements that shall be observed in the preparation and packing of explosives or other dangerous articles or substances, and combustible liquids for shipment or storage on board vessels;
(c) Set forth the descriptive name, shipping name, requirements relative to certification, containers, marking, labeling, information required on bills of lading or other shipping papers, manifests or cargo stowage plans;
(d) Set forth the provisions under which permitted explosives or other dangerous articles or substances, and combustible liquids within the scope of the definitions given herein, may be accepted, handled, stored, stowed, or transported on board vessels, and with respect to rejection and report of faulty containers and the disposition of any explosives or other dangerous articles or substances, and combustible liquids found to be in an unsafe condition when on board a vessel;
(e) Establish such other requirements as may be necessary to make effective the purposes of R. S. 4472, as amended.
$ 146.02–2 Application to vessels. The regulations in this subchapter apply to all vessels, domestic, or foreign, regardless of character, tonnage, size, service and whether self-propelled or not, whether arriving or departing, or under way, moored, anchored, aground, or while in drydock to the extent and in the manner indicated herein.
(a) The regulations in this part shall not apply to any public vessel which is not engaged in commercial service.
(b) The regulations on this part shall not apply to any vessel subject to the provisions of R. S. 4417a, as amended, which is constructed or converted for the principal purpose of carrying inflammable or combustible liquid cargo in bulk in its own tanks, except such vessel shall be subject to the provisions of R. S. 4472, as amended, with respect to explosives prohibited to be transported, stored, or stowed on board any vessel.
(c) Regulations with respect to explosives prohibited by subsection 3, of R. S. 4472, as amended, apply to all vessels.
(d) Regulations with respect to the transportation, storage, or stowage of high explosives on board passenger vessels apply to all vessels defined as “Passenger Vessels" in $ 146.03–36.
(e) Regulations with respect to the transportation, storage or stowage of high explosives on board vessels, other than passenger-carrying vessels, apply to all vessels defined as “Barges" or “Cargo Vessels" in $ 146.03–36.
(f) Regulations with respect to the transportation, storage or stowage of explosives (other than high explosives) or other dangerous articles or substances apply to all vessels, except vessels specifically exempted from such regulations by the provisions of R. S. 4472, as amended, or vessels that are, or may be, specifically exempted by the regulations in this part. Vessels specifically exempted by R. S. 4472, as amended, are:
(1) Vessels not exceeding fifteen (15) gross tons when not engaged in carrying passengers for hire;
(2) Vessels used exclusively for pleasure;
(3) Vessels, not exceeding five hundred (500) gross tons while engaged in the fisheries;
(4) Tugs or towing vessels, except as to fire prevention and extinguishing requirements provid for by subsection 6 (b) (4) of R. S. 4472, as amended;
(5) Cable vessels, dredges, elevator vessels, fireboats, ice-breakers, pile drivers, pilot boats, welding vessels, salvage and wrecking vessels.
(g) Inflammable or combustible liquid cargo in bulk is also exempt from the regulations in this part: Provided, however, That the handling and stowage of