It means it is of an approved non-combustible material that will prevent flame passing through it for at least 30 minutes for the standard test.
The bulkhead on a ship is a structure that separates sections of the ship. This structure makes each section water tight and looks basically like a wall.
A wall
it is said to be a wall
A bulkhead.
a wall or a tank
Ship Bulkhead=Bulkheads are the metal watertight compartments that store water so a ship cannot sink=Van Bulkhead=Bulkheads for vans are the same as ship bulkheads, but thinner and do not store water, but cargo.=
a bulkhead erected to reduce the swashing action of a tank's liquid content as a ship rolls and pitches at sea; the bulkhead is nontight and may run in the transverse or longitudinal direction
If it is watertight, it is called a bulkhead.
well the front of a ship is called the bow and the back end the stern and any wall in the ship is called a bulkhead
The term bulk head refers to an upright partition dividing a ship into compartments which assists in stabilizing the ship and helps prevent leakage and fire from going into the ship. These partitions can also be found in vehicles such as aircraft or spacecraft.
a bulkhead erected to reduce the swashing action of a tank's liquid content as a ship rolls and pitches at sea; the bulkhead is nontight and may run in the transverse or longitudinal direction
-remove front seats-remove steering column-remove entire dash-remove heater hoses from engine side of firewall/bulkhead-remove A/C hoses from engine side of firewall/bulkhead-remove nuts holding heater / A/C box (on engine side of firewall/bulkhead)-remove heater / A/C box from cab side of firewall/bulkhead-remove top of heater / A/C box.-replace heater core