Defines the default height of the backtie connection on the mast (measured from Top of Foundation) when creating a new backtie.
Please note: This value is editable in the 'Height above HRL' box in the 'Create Backtie' window, and will display the backtie height above HRL, not from Top of Foundation. See image below.
A number that has a value of 0 or greater, expressed in metres.
Default Setting: 6.1m
Changing properties: If you wish to change the option of this property, your Project Settings Administrator must request a project settings change.