What is the extent of modelling required for external works submissions? September 12, 2025 01:37 External works can be submitted in 2D. Related to 2d external Related articles Is there a ready set of object library / families that industry can adopt for submission via CORENET X? How will 2D elements (e.g. general notes, standard details, typical details) be modelled in the IFC+SG model? Are details in the current schematic diagrams such as for drainage and sanitary works required to be modelled in the IFC+SG model? What is required to be modelled in IFC+SG and what can be submitted in 2D? Must all QPs of all the three disciplines (Architectural, Structural, M&E) submit multi-disciplinary coordinated BIM model for all submissions in CORENET X?