With the release of the ISA-TR84.00.07 technical report on performance-based design of fire and gas detection systems for process industries, risk-based techniques for detector placement have become prevalent in fire and gas system (FGS) design. While the technical report addresses designing the FGS based on the user's risk profile and performance requirements, it does not provide any guidance on implementing the FGS lifecycle. This handbook provides a thorough overview of the FGS design lifecycle presented in the technical report, with an examination of each phase of the lifecycle and the...