The bilge suction line in the hold bilge is typically equipped with a perforated strum box, which prevents cargo debris from entering the bilge line.
The strum box should be thoroughly cleaned after each cargo discharge and, if possible, dismantled and checked for damage or corrosion. The end of the bilge suction line must be confirmed as clear, with no debris obstructing the end of the suction pipe.
To remove residues from previous cargo and debris.
To clean the mud and rust accumulation.
To eliminate foul smells and stench.
Bilge suction must be tested for efficient operation, which can be done when the cargo hold is empty.
The bilge represents a potential source of cargo contamination.