Guidance
Advice on gas detection strategies for HVAC duct inlets
Advice on gas detection strategies for HVAC duct inlets
- HSE
- Guidance
- Offshore Information Sheet 5/2008
- Hydrocarbon ReleaseProcess Safety
- ExplosionFunctional safety
- Gas detector
- Alarm management
- Offshore installation
Summary
This information sheet advises duty holders on detecting flammable gas entering offshore HVAC ducts, with possible relevance to onshore installations. It examines uneven gas mixing and recommends reviewing detector sensitivity, alarm thresholds, positioning and cross-sectional coverage. It also discusses infrared and aspirated systems, mixing elements and limitations of downstream detector placement.
Classifications: Explosion; explosive atmospheres.
Classifications: Functional safety; safety instrumented systems; SIS.
Classifications: Gas detector; gas monitor; gas detection instrument.
Classifications: Alarm management.
Classifications: Offshore installation; offshore platform; offshore rig.
Offshore Information Sheet 5/2008. Themes: hydrocarbon release, process safety.