Developed especially for Revit MEP. For sanitary systems, user can describe unlimited number of tables without sticking to the predefined tables in Revit. Diameter sizing can be applied to Domestic Hot Water, Domestic Cold Water and Sanitary Systems individually or as a whole. During sizing process, connector diameters and ficture units of the equipments in the system are calculated and compared. Values to be applied to the selected system are chosen correctly and automatically. In this way, there will be an opportunity to create company specific sizing tables, besides there will be no need to manually edit the system afterwards.