It is custom attribute to calculate the customized weight for 'Billing' purpose for contour plates and beam plates.
How to Locate
After successful installation of Billing Weight setup , you can find the report templatetemplate that is used for creating a report
file 'Billing_Weight.rpt' in the folder "..\Environments\Common\template"
Name of the attribute is 'CUSTOM.BILLINGWEIGHT'
It consideres the following parameter to re-calculate the weight: