...
CSiPlant allows for different areas of the model to be independent and unconnected as long as they are adequately supported. Independent areas of the model will automatically be assigned labels starting with a different unique alpha character.
Type i or I on your keyboard to display Insert commands can to insert elements, supports or components to or from multiple selected parts of the model with one command. If a pipe support or component is inserted into an area where there is no existing piping, both piping and support or component are inserted/added with that command.
...