In this case eddie its actually referring to the discharge pipe locations for the various liquid and dry powder cargo on a supply ship. Stuff like drill mud, cement, potable water etc. This is an extract from the specifications.......
The piping plant to be arranged as two systems. The plant to be capable of
discharging two types of dry bulk simultaneously through two separate discharge
lines. Air dryer to be provided for the discharge line.
Fill/discharge piping to be 5". Fill/discharge stations to be equipped with 5" fig. 206
female unions. Bending radius for the fill/discharge pipes to be minimum 5” diameter
in general. Bending radius for the vent pipes to be minimum 300mm
Discharge/Fill stations
Fuel oil : Aftship SB&PS
Drillwater : Aftship SB&PS
Freshwater : Aftship SB&PS
Cement : Aftship SB&PS
Liquid mud : Aftship SB&PS
For liquid mud tanks, separate drop lines to be arranged.
In liquid mud tanks, bilge wells to be arranged.