[QUOTE=jdcavo;180303]In that picture, the lines on each side are for different purposes. The ones on the port side running aft from midships are cargo lines going to the pumproom where they tie into the bottom lines servicing each tank. The ones on the starboard are not cargo lines. The largest of them looks to be an inert gas/vent line, and one of the smaller ones appears to be the supply line for crude oil washing.[/QUOTE]
What jdcavo says is exactly correct abt the sample photo ship.
There is no reason the pipelines have to be on CL. Arrange your design accordingly …