Asta Powerproject - Drawing multiple tasks on a bar

Position the mouse pointer so that it is over bar 1 and slightly later than the existing task on bar 1.
Press and hold down the left mouse button, then drag the cursor to the right to draw another task on the same bar:
Release the mouse button when the task is two days in length.
Click away from the task to deselect it.

Where you have more than one task on a bar, you can choose to display the bar in one-task-per-line mode:

Click the + symbol to the left of the spreadsheet on bar 1:

Notice that each task is now displayed on its own line. As the bars in the project were not displayed in one-task-per-line mode when you created tasks on them, the names that you entered relate to the bars. Where you have more than one task on a bar, you can name each task individually when in one-task-per-line mode.
Click in the Name column and name the task on bar 1 Site Planning 1 and the task on bar 2 Site Planning 2.
Click the - symbol to the left of the spreadsheet on bar 1 to turn off one-task-per-line mode:

You will now rename the bars in your project. Rename the four bars as follows: