46 C.F.R. § 72.05-10
Current through September 30, 2024
| Class A-60 | 60 minutes. |
| Class A-30 | 30 minutes. |
| Class A-15 | 15 minutes. |
| Class A-0 | 0 minutes (i.e., no insulation requirements). |
| Class B-15 | 15 minutes. |
| Class B-0 | 0 minutes (i.e., no insulation requirements). |
Table 72.05-10(d)-Bulkheads-Main Vertical Zone
| ADJACENT TO | THIS SPACE: | |||||||||||||
| Control stations | Stairway and elevator enclosures | Corridors | Life boat embarkation or lowering stations | Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | Staterooms and public spaces of 500 square feet or less with combustible furnishings and isolated storerooms | Public spaces over 500 square feet with combustible furnishings | Washrooms toilet spaces, and isolated pantries with incombustible fittings | Galley, main pantries, storerooms, and workshops | Machinery spaces | Dry cargo spaces | Fuel and water tanks and voids | Open decks and enclosed promenades (not safety areas) | ||
| THIS SPACE: | ||||||||||||||
| Control stations | 1 | A-60 | A-15 | A-15 | A-0 | A-30 | A-60 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 |
| Stairway and elevator enclosures | 2 | A-0 | A-0 | A-0 | A-0 | A-60 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 | |
| Corridors | 3 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | ||
| Lifeboat embarkation or lowering stations | 4 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C | |||
| Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | 5 | A-15 | A-15 | A-15 | A-0 | A-30 | A-30 | A-30 | A-0 | A-0 | ||||
| Staterooms and public spaces of 500 square feet or less with combustible furnishings, and isolated storerooms | 6 | A-60 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 | |||||
| Public spaces over 500 square feet with combustible furnishings | 7 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 | ||||||
| Washrooms, toilet spaces, and isolated pantries with incombustible fittings | 8 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | |||||||
| Galleys, main pantries, storerooms, and workshops | 9 | A-0 | A-0 | A-0 | A-0 | A-0 | ||||||||
| Machinery spaces | 10 | A-0 | A-0 | A-0 | A-0 | |||||||||
| Dry cargo spaces | 11 | A-0 | A-0 | A-0 | ||||||||||
| Fuel and water tanks and voids | 12 | A-0 | A-0 | |||||||||||
| Open decks and enclosed promenades (not safety areas) | 13 | C | ||||||||||||
Table 72.05-10(e)-Bulkheads-Not Main Vertical Zones
| ADJACENT TO | THIS SPACE: | |||||||||||||
| Control stations | Stairway and elevator enclosures | Corridors | Life boat embarkation or lowering stations | Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | Staterooms and public spaces of 500 square feet or less with combustible furnishings and isolated storerooms | Public spaces over 500 square feet with combustible furnishings | Washrooms toilet spaces, and isolated pantries with incombustible fittings | Galley, main pantries, storerooms, and workshops | Machinery spaces | Dry cargo spaces | Fuel and water tanks and voids | Open decks and enclosed promenades (not safety areas) | ||
| THIS SPACE: | ||||||||||||||
| Control stations | 1 | B-0 | A-0 | A-0 | A-0 | A-15 | A-60 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 |
| Stairway and elevator enclosures | 2 | C | A-0 | A-0 | A-0 | A-60 | A-60 | A-0 | A-60 | A-60 | A-60 | A-0 | A-0 | |
| Corridors | 3 | C | A-0 | B-0 | B-0 | A-0 | B-0 | A-0 | A-0 | A-0 | A-0 | A-0 | ||
| Lifeboat embarkation or lowering stations | 4 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C | |||
| Staterooms and all public spaces with incombustible veneers and trim and fire-resistant furnishings | 5 | B-0 | B-15 | A-15 | B-0 | A-15 | A-15 | A-15 | A-0 | A-0 | ||||
| Staterooms and public spaces of 500 square feet or less with combustible furnishings, and isolated storerooms | 6 | B-15 | A-30 | B-0 | A-60 | A-60 | A-60 | A-0 | A-0 | |||||
| Public spaces over 500 square feet with combustible furnishings | 7 | A-60 | B-0 | A-60 | A-60 | A-60 | A-0 | A-0 | ||||||
| Washrooms, toilet spaces and isolated pantries with incombustible fittings | 8 | C | A-0 | A-0 | A-0 | A-0 | A-0 | |||||||
| Galleys, main pantries, storerooms, and workshops | 9 | C1 | A-0 | A-0 | A-0 | A-0 | ||||||||
| Machinery spaces | 10 | C | A-0 | A-0 | A-0 | |||||||||
| Dry cargo spaces | 11 | A-0 | A-0 | A-0 | ||||||||||
| Fuel and water tanks and voids | 12 | A-0 | A-0 | |||||||||||
| Open decks and enclosed promenades (not safety areas) | 13 | C | ||||||||||||
1 Class C bulkheads may be used between two similar spaces, such as between two similar storerooms. However, a Class A-0 bulkhead shall be used between dissimilar spaces, such as a storeroom and a dissimilar workshop.
Table 72.05-10(f)-Decks-Main Vertical Zones
| ADJACENT TO | THIS SPACE: | |||||||||||||
| Control stations | Stairway and elevator enclosures | Corridors | Life boat embarkation or lowering stations | Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | Staterooms and public spaces of 500 square feet or less with combustible furnishings and isolated storerooms | Public spaces over 500 square feet with combustible furnishings | Washrooms toilet spaces, and isolated pantries with incombustible fittings | Galley, main pantries, storerooms, and workshops | Machinery spaces | Dry cargo spaces | Fuel and water tanks and voids | Open decks and enclosed promenades (not safety areas) | ||
| THIS SPACE: | ||||||||||||||
| Control stations | 1 | A-60 | A-60 | A-30 | A-0 | A-15 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Stairway and elevator enclosures | 2 | A-15 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Corridors | 3 | A-30 | A-0 | A-0 | A-0 | A-0 | A-0 | A-15 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Lifeboat embarkation or lowering stations | 4 | A-0 | A-0 | A-0 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C |
| Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | 5 | A-30 | A-30 | A-15 | A-0 | A-15 | A-15 | A-30 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Staterooms and public spaces of 500 square feet or less with combustible furnishings, and isolated storerooms | 6 | A-60 | A-60 | A-30 | A-15 | A-15 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Public spaces over 500 square feet with combustible furnishings | 7 | A-60 | A-60 | A-60 | A-30 | A-30 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Washrooms, toilet spaces, and isolated pantries with incombustible fittings | 8 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Galleys, main pantries, storerooms, and workshops | 9 | A-60 | A-60 | A-60 | A-30 | A-30 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Machinery spaces | 10 | A-60 | A-60 | A-60 | A-30 | A-30 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Dry cargo spaces | 11 | A-60 | A-60 | A-60 | A-30 | A-30 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Fuel and water tanks and voids | 12 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Open decks and enclosed promenades (not safety areas) | 13 | A-0 | A-0 | A-0 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C |
Table 72.05-10(g)-Decks-Not Main Vertical Zones
| ADJACENT TO | THIS SPACE: | |||||||||||||
| Control stations | Stairway and elevator enclosures | Corridors | Life boat embarkation or lowering stations | Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | Staterooms and public spaces of 500 square feet or less with combustible furnishings and isolated storerooms | Public spaces over 500 square feet with combustible furnishings | Washrooms toilet spaces, and isolated pantries with incombustible fittings | Galley, main pantries, storerooms, and workshops | Machinery spaces | Dry cargo spaces | Fuel and water tanks and voids | Open decks and enclosed promenades (not safety areas) | ||
| THIS SPACE: | ||||||||||||||
| Control stations | 1 | A-30 | A-30 | A-15 | A-0 | A-0 | A-15 | A-30 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Stairway and elevator enclosures | 2 | A-0 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Corridors | 3 | A-15 | A-0 | A-0 | A-0 | A-0 | A-0 | A-15 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Lifeboat embarkation or lowering stations | 4 | A-0 | A-0 | A-0 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C |
| Staterooms and all public spaces with incombustible veneers and trim and fire resistant furnishings | 5 | A-15 | A-15 | A-0 | A-0 | A-0 | A-0 | A-15 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Staterooms and public spaces of 500 square feet or less with combustible furnishings and isolated storerooms | 6 | A-60 | A-60 | A-30 | A-15 | A-0 | A-30 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Public spaces over 500 square feet with combustible furnishings | 7 | A-60 | A-60 | A-60 | A-30 | A-15 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Washrooms, toilet spaces, and isolated pantries with incombustible fittings | 8 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Galleys, main pantries, storerooms, and workshops | 9 | A-60 | A-60 | A-60 | A-30 | A-15 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Machinery spaces | 10 | A-60 | A-60 | A-60 | A-30 | A-15 | A-60 | A-60 | A-0 | A-0 | C | A-0 | A-0 | A-0 |
| Dry cargo spaces | 11 | A-60 | A-60 | A-60 | A-30 | A-15 | A-60 | A-60 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Fuel and water tanks and voids | 12 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 |
| Open decks and enclosed promenades (not safety areas) | 13 | A-0 | A-0 | A-0 | C | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | A-0 | C |
46 C.F.R. §72.05-10