To manually construct pipes, simply use the construction tools (the draw, move, copy and delete buttons) from the toolbar.
Pipes can be drawn freehand on the screen with the mouse, using the coordinates displayed in the status bar to guide the pipe location. Additionally, coordinates for pipes can be entered manually using the coordinate entry function or by simply clicking on a pipe end while in the draw mode.
This method is generally suitable for small models (less than several hundred pipe segments). Most pipe models are generally fairly tolerant of misaligned or slightly misplaced pipes, providing approximate pipe lengths are close to reality. In many cases, to assist with clarity, pipes can be deliberately moved aside, and a fixed length function used to override the automatic length calculation to set actual lengths.
If the model is required to be true to scale, then more accurate construction may be required, and it is often better to import actual mine designs from CAD programs into Pumpsim™ to use as a template to constructing a true to scale model.