Regulations last checked for updates: Nov 25, 2024

Title 46 - Shipping last revised: Nov 04, 2024
§ 148.155 - Stowage and segregation for potentially dangerous materials.

(a) A PDM must be stowed and segregated according to the requirements of this section and Table 148.155 of this section.

(b) When transporting coal—

(1) Coal must be stowed separate from materials of Class/division 1.4 and Classes 2, 3, 4, and 5 in packaged form; and separated from bulk solid materials of Classes 4 and 5.1;

(2) No material of Class 5.1, in either packaged or bulk solid form, may be stowed above or below a cargo of coal; and

(3) Coal must be separated longitudinally by an intervening complete cargo compartment or hold from materials of Class 1 other than Class/division 1.4.

(c) When transporting direct reduced iron (DRI)—

(1) DRI lumps, pellets, or cold-molded briquettes, and DRI hot-molded briquettes, must be separated from materials of Class/division 1.4, Classes 2, 3, 4, 5, Class 8 acids in packaged form, and bulk solid materials of Classes 4 and 5.1; and

(2) No material of Class 1, other than Class/division 1.4, may be transported on the same vessel with DRI.

(d) Petroleum coke, calcined or uncalcined, must be—

(1) Separated longitudinally by an intervening complete cargo compartment or hold from materials of Class/divisions 1.1 and 1.5; and

(2) Separated by a complete cargo compartment or hold from all hazardous materials and other potentially dangerous materials in packaged and bulk solid form.

Table 148.155—Stowage and Segregation Requirements for Potentially Dangerous Material

Potentially dangerous material Segregate as for class listed 1 “Separate from” foodstuffs Load only under dry weather conditions Keep dry Mechanical ventilation required “Separate from” material listed Special provisions
Aluminum Smelting By-products or Aluminum Re-melting Byproducts4.3XXXXClass 8 liquids
Brown Coal BriquettesSee paragraph (b) of this sectionSee paragraph (b) of this section.
Charcoal4.1XOily materials
CoalSee paragraph (b) of this sectionSee paragraph (b) of this section.
Direct reduced iron (A)See paragraph (c) of this sectionSee paragraph (c) of this section.
Direct reduced iron (B)See paragraph (c) of this sectionSee paragraph (c) of this section.
Ferrophosphorus4.3XXXXClass 8 liquids
Ferrolilicon4.3XXXXClass 8 liquids
FluorosparXClass 8 liquids
Lime, UnslakedXAll packaged and bulk solid hazardous materials
Linted Cotton SeedX
Magnesia, UnslakedAll packaged and bulk solid hazardous materials
Metal Sulfide Concentrates4.2XClass 8 liquids
Petroleum CokeXSee section 148.155(d).
Pitch Prill4.1
Pyrites, CalcinedXXXX
Sawdust4.1XAll Class 5.1 and 8 liquids
Silicomanganese4.3XXXXClass 8 liquids
Tankage4.2XX
Vanadium6.1X
Wood chips4.1
Wood pellets4.1
Wood pulp pellets4.1

1 See Tables 148.120A and B.

authority: 33 U.S.C. 1602; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; 46 U.S.C. 3306,5111; 49 U.S.C. 5103; Department of Homeland Security Delegation No. 0170.1
source: 75 FR 64591, Oct. 19, 2010, unless otherwise noted.
cite as: 46 CFR 148.155