Warning · Clash detection
How to fix MEP/structural clash
in IFC files
Resolve the MEP-vs-structure clash — reroute the MEP run or coordinate a penetration/sleeve with the structural model.
Check your IFC file — free
No account · No upload · Runs in your browser · 38 validation checks
What it means
The MEP/structural clash check
MEP element bounding box overlaps a structural element
The fix
How to fix MEP/structural clash in your authoring tool
Concrete, tool-specific steps. The check itself is schema-agnostic and works for IFC2x3, IFC4, IFC4x1 and IFC4x3.
| Authoring tool | How to fix |
|---|---|
| Revit | Run Interference Check between the MEP and structural categories, then reroute services or add coordinated openings/sleeves. |
| ArchiCAD | Use Collision Detection between MEP and structural elements, then reroute or add openings. |
| Tekla | Run a clash check against the linked MEP reference model and add penetrations/openings where needed. |
| Allplan | Use collision check between MEP and structure and reroute or add openings. |
How it works
Find and fix it in the browser
The whole flow runs client-side — your IFC file never leaves your machine.
01
Open your IFC file
Open IFC Viewer Online and drag & drop your IFC file. It is parsed locally in your browser via WebAssembly — nothing is uploaded.
02
Run the Health Score validation
Run validation. The "MEP/structural clash" check (RULE_CLASH_MEP_STRUCTURAL) flags every affected element and pinpoints it in the model tree.
03
Fix in Revit
Run Interference Check between the MEP and structural categories, then reroute services or add coordinated openings/sleeves.
04
Fix in ArchiCAD
Use Collision Detection between MEP and structural elements, then reroute or add openings.
05
Fix in Tekla
Run a clash check against the linked MEP reference model and add penetrations/openings where needed.
06
Fix in Allplan
Use collision check between MEP and structure and reroute or add openings.
07
Re-validate
Re-export from your authoring tool and re-run validation to confirm the issue is resolved and your Health Score improved.
Related checks
Other Clash detection checks →
Check your whole model, not just one rule.
MEP/structural clash is 1 of 38 checks. Run the full IFC Health Score to see every issue and a single 0–100 number — free, no account, no upload.
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