In this example we will add two 8 ft. by 12 ft. expansion loops in to a 80 ft long run of pipe. Use Draw Joint icon 
and click on the first anchor point to add point/joint 16 ft. in the X direction along the longitudinal axis of the piping, followed by a point 8 ft. in the X direction away from the point that was just added. Repeat those step in the -X direction starting from the anchor on the other end as shown.
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Left click to select the 2 pipes shown below, then click Delete on your keyboard and press Ok to the warning message to delete these 2 pipes.
Left click to select joints as shown and press the I key on your keyboard for Insert commands followed by Q or click Pipe Object type, . Make sure to select your desired Pipe property set, use Insert type 'Offset' and type 12 ft. in the Y direction and click Apply.
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Insert pipe -12 ft. in Y direction using Offset Insert type to complete the loops by clicking OK
Use Ctrl+M keyboard shortcut to move selected elements. In this example we will slide the 2 selected expansion loops 8ft. in X direction.
