5D Costing: Model-Driven Estimating and BOM-Linked Budgets
5D connects quantities and cost so budgets move with the model. With disciplined modeling and classification, your precon team prices faster, and your operations team tracks change without hunting spreadsheets. Start with structure: classes, codes, and LOD Choose a classification (MasterFormat/Uniclass/OmniClass) and stick to it. Add cost-relevant parameters—spec section, material, finish, and procurement type—so takeoffs […]