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2. General principles for the installation of flammable gas detectors
2.1 Defining the layout
The need to design a fixed flammable gas detection system can have several origins. Firstly, quantified risk analyses (of the HAZID, HAZOP, bow-tie, etc. type) may highlight scenarios involving loss of containment of flammable products, requiring the implementation of risk control measures (e.g. gas detection system). Local authorities may also require the installation of a detection system. These requirements may differ according to the type of installation and its location. They may require the installation of a risk control system, or be more prescriptive, defining the means to be implemented in terms of detection. The operator may also have internal standards in place, which provide for the design of a detection system and specify the rules to be followed....
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General principles for the installation of flammable gas detectors
Bibliography
Standards and norms
- Explosive atmospheres Part 29-2: Gas detectors – Selection, installation, operation and maintenance of flammable gas and oxygen detectors. - NF EN 60079-29-2 - Juillet 2018
- Guidance on the evaluation of fire, combustible gaz and toxic gaz system effectiveness. - ISA TR 84.00.07-2018 - Octobre 2018
Directory
Software tools
PHAST – DNV GL. Veritasveien 1 1363 Høvik, Norway
DETECT3D & In: flow – Insight Numerics. 51 Melcher Street Boston, MA 02210 USA
EFFIGY – Kenexis....
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The Ultimate Scientific and Technical Reference