Paper_Clip_Tutorial Part1.pdf - GaBi Software

12 Fixing the reference process
Procedure
One very important step when creating a plan is to define the reference process. On every
plan one process should be fixed. This allows GaBi to calculate all results in relation to this
fixed process. As you edited the paper clip bending process you specified the functional
unit of the process to be 1 paper clip. Now you can specify the functional unit of the plan to
be 1000 paper clips.
48. Double click on the ‘Paper Clip Bending’ process and enter a scaling factor of
‘1000’.
49. Select ‘Fixed’.
Now the processes and flows on the plan will scale to reflect the amounts required to
manufacture 1000 paper clips. You could also scale the fixed process to 500 paper clips or
1 million and all flow amounts would change proportionally.
If no process or more than one process on a plan is fixed, there will be an error message.
This means you need to go back and check that exactly one process is fixed.
You can easily see if a process is fixed by checking for crosses like the one you see here.
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