Multi-discipline BIM coordination is described in BIM Execution Plans with process diagrams, but the day-to-day practice is messier. Understanding what makes coordination work in practice — clear ownership, reliable issue tracking, and honest model quality — matters more than having the right software.
Why This Matters
Projects with comprehensive BEPs and good software still fail at coordination because the human processes — who tells whom when a model changes, who resolves an issue that spans two disciplines, who catches a wall that moved — are not clearly enough defined.
Practical Guidance
Issue Ownership: Every coordination issue must have one owner, not a discipline. 'Mechanical needs to resolve with Structural' is not ownership. 'Wong from the mechanical team proposes reroute by Friday, Lee from structural reviews' is ownership. Coordination meetings must leave with named owners and dates.
Model Change Notification: Establish a simple notification protocol: any significant model change (level adjustment, grid change, major reroute) requires a team-wide notification before the change is issued. Silent model updates that other disciplines discover only at the next coordination meeting are a major source of rework.
Coordination Frequency: Weekly coordination is the minimum on active projects. Bi-weekly coordination allows clashes to compound. If the programme cannot support weekly coordination, the project must accept higher construction risk from undetected clashes.
Honest QA Before Issue: Every discipline should run basic model QA (warnings check, element-at-level check, system connectivity check) before issuing a model for coordination. Issuing unreviewed models wastes coordination time on modeling errors rather than genuine design conflicts.
Checklist
- Assign named owners with due dates at every coordination meeting
- Establish a formal notification protocol for significant model changes
- Set coordination meeting frequency at project start — minimum weekly on active projects
- Require discipline QA sign-off before model issue for coordination
LUA BIM LABS Insight
Multi-discipline BIM coordination succeeds through discipline, not through software — the technology only works when the coordination agreements are clear.
LUA BIM LABS — Products & Services
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