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5D Cost Planning
The use of model quantities and structured data to support early cost planning, estimating, and option comparison.
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5D Cost Control
The monitoring of quantities, commitments, costs, and changes using model-linked or package-linked information.
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6D Sustainability Modeling
The use of model information to support sustainability analysis, energy use, carbon assessment, or environmental decision-making.
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7D Operations Modeling
The preparation of model and asset data for operation, maintenance, inspection, and long-term facility use.
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Carbon Dimension
A model-linked information layer used to assess embodied or operational carbon across design and construction decisions.
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Lifecycle Dimension
A way of organizing model information around the full asset life cycle from planning through operation and renewal.
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nD Modeling
The extension of model use beyond geometry into time, cost, sustainability, operations, safety, or other information dimensions.
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3D Coordination
The use of three-dimensional models to review spatial relationships, interfaces, and discipline alignment.
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4D Planning
The linking of model objects or work packages to time-based activities so construction sequence can be understood visually.
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4D Timeline
A time-based representation of planned construction sequence connected to model content or work packages.