Issues white paper 2026
BIM Clash Report 2026
Which clashes HOOK’s BIM coordination finds most, how they happen, why, and how they get fixed. Based on 1 tagged issues from 1 projects.
Live figures from HOOK’s issue log, updated 10 Nov 2026, 01:53 (Bangkok time).
- Structure × MEP
- Architecture × MEP
- Structure × Architecture
- MEP × MEP
- Structure
- Architecture
- Discipline not recorded
Hover or tap a floor to see its clashes. Click a dot to see that clash up close. Drag to turn, right-drag or two fingers to move, scroll or pinch to zoom.
Ground floor & mezzanine
123 issues- Structure × MEP42
- MEP × MEP27
- Architecture × MEP17
- Structure × Architecture13
- Architecture11
- Structure9
- Discipline not recorded4
Each dot stands for about 50 clashes from HOOK’s issue log, drawn on the floor they were recorded on, where the two elements involved meet, and coloured by the disciplines involved. The building is illustrative.
- 161
issues reviewed
1 tagged by type, cause and fix
- 1
projects
Factory building
- 100%
most common clash behavior: Overlap
- 100%
most common root cause: Lack of Coordination
Shares on this page are of the 1 tagged issues.
How they collide
Clash behaviors
Overlap led the behaviors at 100%. A behavior describes what two elements do to each other, such as a pipe running through a beam.
Behavior
- 01Overlap100%Two elements share part of the same space along their length.1 issue
Elements found in clashes
How often each element shows up in a tagged clash, on either side.
- 01Foundation100%1 issue
Why
Root causes
The root cause is why a clash reached the model in the first place. It shows which step of the process needs to change.
of the clashes we tagged traced back to Lack of Coordination.
Root cause
- 01Lack of Coordination100%Disciplines modelled the same zone without agreeing who goes where.1 issue
How we fix them
Solutions
The most common fix was Resize Element, used on 100% of tagged issues.
Solution type
- 01Resize Element100%1 issue
- 02Revise Layout100%1 issue
From cause to fix
The root cause and solution pairs that came up most often.
- 01Lack of Coordination fixed by Resize Element100%1 issue
- 02Lack of Coordination fixed by Revise Layout100%1 issue
Disciplines involved
Sanitary appeared in more tagged clashes than any other discipline.
Discipline tags
- 01Sanitary100%1 issue
- 02Structure100%1 issue
Discipline flags on all 161 issues
Set on every issue in the log, tagged or not, so these counts use the larger sample.
- Structure (ST)
- 96
- Architecture (AR)
- 53
- Mechanical (ME)
- 51
- Electrical (EE)
- 25
- Sanitary (SN)
- 18
- Fire protection (FP)
- 16
- Air conditioning (AC)
- 4
- Civil (CV)
- 1
- Facade (FC)
- 1
- Landscape (LA)
- 1
How this report was made
- Source
HOOK’s BIM coordination issue log (hook-tracker)
- Issues logged
2 June 2026 to 3 November 2026
- Data as of
10 Nov 2026, 01:53
- Projects
1 (Factory building)
- Sample size
161 issues logged, 1 of them tagged (0.6%)
- Status at cutoff
Closed 134 · Open 27
- Priority
Minor 108 · Major 53
Every share on this page is a share of tagged issues. The coordination team adds the tags by hand, so coverage varies from project to project.
One issue can carry several tags, for example two elements and two behaviors, so the shares in a list can add up to more than 100%.
Project names, drawings and issue descriptions stay private. Only counts are published, grouped by project type.
The figures on this page come straight from the coordination issue log and refresh about every 10 minutes. Each year’s edition is kept as an archive with its figures fixed.
Catch the clash before it reaches site
HOOK runs BIM coordination for contractors and project owners in Thailand, from model checks to clash resolution meetings.