Share Email Facebook Twitter LinkedIn Buildingbook Calculation Rules Learn the project standard considerations for calculating with Buildingbook. The following topics define rules and assumptions when performing building part calculation. Topics in this section International Standard Calculation Rules for Buildingbook The International standard calculates the quantities for building parts with consideration of openings. German VOB Standard Calculation Rules for Buildingbook Learn the rules used by the German VOB Standard to calculate quantities for building parts. Parent topic: Buildingbook Extension for Revit Related Concepts Workflow: BuildingbookBuildingbook Project StandardsBuildingbook CalculationQuantity and Material IDs in BuildingbookTroubleshooting Buildingbook Related Tasks Review Calculated Building Part Quantity DataView and Edit Calculated Building Part DataView and Edit Calculated Building Part Subelement DataPurge Deprecated Building Part Quantity Data from Your Project Related Information Export Buildingbook Data