8. Bilge Pumping Systems Flashcards
Term
Definition
Bilge
The lowest part of a ship’s hull where water typically collects.
Bilge Water
Water that accumulates in the bilge, often including oil, grease, and other contaminants.
Bilge Pump
A pump used to remove bilge water from the ship to prevent flooding and maintain stability.
Bilge System
A network of channels, pumps, and tanks designed to collect and remove bilge water from a ship.
Manual Bilge Pump
A hand-operated pump used to remove water from the bilge.
Electric Bilge Pump
An electrically powered pump used for automatic or manual pumping of bilge water.
High-Level Alarm
An alarm system that activates when the water level in the bilge exceeds a pre-set level.
Bilge Separator
A device that separates oil from bilge water before the water is discharged overboard.
Oily Water Separator (OWS)
A specific type of bilge separator designed to remove oil from bilge water to meet environmental regulations.
Discharge Regulations
Legal requirements that specify how and when bilge water may be discharged into the ocean.
Check Valve
A valve that allows water to flow in one direction only, used in bilge lines to prevent backflow.
Sump Pump
A pump used to remove water collected in a sump basin, often used as part of a ship’s bilge system.
Automatic Float Switch
A switch that automatically activates the bilge pump when the water level rises to a certain height.
Sounding Pipe
A tube used to measure the depth of liquid in a tank or bilge.
Strainer
A filter placed on the intake of a bilge pump to prevent debris from clogging the system.
Dry Dock Inspection
An inspection of the bilge and other parts of a ship that takes place when the ship is in a dry dock.
Bilge Keel
A longitudinal, fin-like projection used to reduce a ship’s rolling by damping the water flow along the hull.
MARPOL
International environmental regulations that include rules on the discharge of bilge water from ships.
Holding Tank
A tank where bilge water is stored temporarily before being processed or discharged.
Overboard Discharge
The release of bilge water into the sea, subject to strict environmental controls.
Backflow Preventer
A device used to ensure that bilge water does not flow back into areas it has been pumped out of.
Bilge Alarm
An alert system that warns of high water levels in the bilge, indicating potential flooding.
Gulper Pump
A type of bilge pump known for its ability to handle bilge water with relatively large amounts of debris.