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Project assessment in BIM Excellence is both a standalone assessment and a supporting metric for establishing organizational capability/maturity. BIMe project assessments use a number of past performance indicators (for completed projects) and process metrics (for current projects). Data collected from completed projects establish benchmarks, improvement over benchmarks and provide indicators of future performance. Data collected from current projects identify barriers and give early warnings.
When assessing an ongoing or completed BIM project, one of the key metrics to establish BIM Maturity is the extent a model is used as a base to generate project deliverables. Using the Model Use Index (MUI), BIM Excellence compares project deliverables to project requirements or to industry best practices.
The Model Use Wheel represents Model Use distribution on a project.
One of the important metrics used in BIMe project assessment is the certainty metric which establishes the level of confidence in costs and durations using 3 Degrees of Certainty: Low Certainty (LC), Medium Certainty (MC) and High Certainty (HC). For example, the Cost Certainty Index (CCI) can be used to establish the difference between estimated project costs and actual project costs. The chart below uses CCI to compare 3 projects (note: HCCp refers to High Cost Certainty Project):
The same index can also be used to compare organizational performance. The chart below compares 5 organizations using project data collected over time (note: HCCo refers to High Cost Certainty Organization):