Published 2026-06-16 · Planning support only — not compliance advice
Core layout elements
The drawing should match the narrative in your RAMS. If the method statement describes a three-stage airlock, the visual should show it — not a generic box copied from a previous job.
- Enclosure boundary and work area
- Airlock and baglock positions
- Negative pressure unit placement and airflow direction
- Decontamination and waste routes
- Warning signs and key equipment
- Scale or dimensional reference where practical
What reviewers look for
Site supervisors ask: where do operatives enter, where does waste leave, and is the NPU positioned logically? Client reviewers ask: does this match the scope we approved? Clear symbology and a scene key reduce back-and-forth.