By AsbestoPlan · Published 2026-06-16 · Updated 2026-10-01 · Planning support only — not compliance advice
Briefing checklist
- Show enclosure boundary relative to room access
- Highlight airlock sequence
- Mark NPU and monitoring points
- Walk waste route from work area to skip
- Include scene key for unfamiliar symbols
Worked example: explain the same room in two views
Use the fictional room captures above to practise a briefing. Start with the 2D view and identify the room, airlock, baglock and NPU using the key. Switch to the matching 3D view to show how those same objects sit together. Keep the same names in both views.
Choose a camera angle that leaves the important items visible. If a foreground wall or roof obscures the arrangement, change the view or visibility settings deliberately and explain what has been hidden. A perspective view helps explain the layout; it is not a scale drawing.
Prepare the file for its audience
Check labels and line styles at the size the audience will actually see. Avoid relying on colour alone to distinguish routes. A close-up can explain a crowded area alongside an overview of the whole layout.
Before the briefing, compare the drawing revision with the current written pack. If the arrangement changes, export new visuals and replace the old attachments. The drawing supports the briefing and competent review; it does not establish that the proposed controls are adequate.
Further reading and examples
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