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| BIM Quality Control |
The respective BIM coordinator of each discipline should also establish a quality control procedure to ensure that the discipline model is accurate and correct according to the modelling guidelines.
Each project member should be responsible for performing quality control checks of their design, data set and model properties before submitting their deliverable.
The following should be considered when determining a plan for quality control:
- Modelling Guidelines
o Ensure that the model is created based on the modelling guidelines and CAD standards
- Dataset Validation
o Ensure that the dataset are populated with correct data.
Interference Check
o Detect any clashes between two building components using a Clash Detection software
Interference Check
o Detect any clashes between two building components using a Clash Detection software
o All drawing sheets and extraneous views should be removed from the BIM
o Each model file should be audited, purged and compressed;
o File format and naming conventions conform to project Data Exchange protocols.
o Data segregation conforms to the agreed methods in BIM Execution Plan
o Model files are up-to-date, containing all users’ local modifications
o Model files are detached from central file
o Any linked reference files have been removed and any other associated data required to load the model file is made available
o Model is correctly assembled through visual inspection
o Each model file should be audited, purged and compressed;
o File format and naming conventions conform to project Data Exchange protocols.
o Data segregation conforms to the agreed methods in BIM Execution Plan
o Model files are up-to-date, containing all users’ local modifications
o Model files are detached from central file
o Any linked reference files have been removed and any other associated data required to load the model file is made available
o Model is correctly assembled through visual inspection
o Any changes since the last issue are communicated to the project team.
Data Security & Saving
All BIM project data should reside on network servers which are subject to regular back-ups. Staff access to BIM project data held on the network servers should be through controlled access permissions.
This delivery method divides the BIM modelling into two models - a design model and a construction model. The design model is used to generate the design and tender documents used for bidding and the construction model is generated be each respective prime trade contractor for fabrication and coordination.
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| BIM modelling |
- Establish a BIM execution plan prior to modelling;
- Create architectural and system models by design teams;
- Integrate design models for coordination and clash detection;
- Interferences will be resolved interactively during coordination meetings;
- Once all conflicts have been resolved, design and tender documents can be prepared
Construction Stage
- Models will be released to main contractor for reference only;
- Main contractor will develop the model further with construction and fabrication details with fully annotated drawings for/by the sub-contractors;
documents and fabrication of the building systems.
- Establish a BIM execution plan prior to modelling;
- In schematic design, designers, in collaboration with subcontractors, will create BIM models to meet predefined project requirements.
- Integrate the BIM models into a composite model that will be used for coordination and clash detection.
- Interferences will be resolved interactively during coordination meetings;
- Once all conflicts have been resolved, construction documents can be produced
- The Design-Build team will hold installation planning meetings where the coordinated model will be used for review and field installation.
- Allows for accurate digital fabrication of key components off site including structural steel, mechanical ducting, drinking water, plumbing and fire sprinkler piping.
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