Enter the name of the pushbarge (or ship) you wish to add and select this push barge (or ship). The dimensions, departure location and destination are automatically completed.
If the push barge (or ship) is loaded, click 'Add Load' and continue to fill in as with a ship.
Grab the pushbarge (or ship) and drag it to the correct position relative to your ship.
Repeat these steps for each push barge (or ship) you wish to add.