Fire safety systems procedures

Records should include reviews of the fire risk assessment [9(3)], fire safety policy, procedures or arrangements [11.(1)(c)], training records, drills, certificates for the Installation and maintenance of any fire safety systems or equipment. The inspector can demand to see the records. 

The procedure begins with a material factor that is a function only of the type of chemical or chemicals used. This factor is adjusted for general and special process hazards. These adjustments or penalties are based on conditions such as storage above the flash or boiling point, endo- or exothermic reactions, and fired heaters. Credits for various safety systems and procedures are used for estimating the consequences of the hazard, after the fire and explosion index has been determined. 

The damage radius is first estimated using a correlation published in the complete Dow index. This correlation is based on the previously determined F EI. The dollar value of the equipment within this radius is determined. Next, a damage factor (based on a correlation provided) is applied to the fraction of the equipment actually damaged by the explosion or fire. Finally, a credit factor is applied based on safety systems. The final number, in dollars, is the MPPD value. This number is used to estimate the MPDO using a correlation. Details on the procedure are available in the complete Dow reference. 

Fire protection system impairment occurs when a fire alarm or supervisory system is shut-off, damaged, fails, or is otherwise taken out-of-service completely or in part. These out-of-service conditions are called impairments. While process monitoring, control, safety, and security-entry systems also provide protective functions, this element of the fire prevention program is only concerned with impairments to fire protection systems and equipment. An essential element of the fire prevention program is a procedure for fire protection impairment handling. 

First, the importance of learning lessons from past process safety incidents is highlighted in Section 3.2. The subsequent section presents preliminary hazard review procedure, risk matrix, what-if method, plot plan and layout review, pressure relief system review and fire safety design aspects. Section 3.4 presents PHA techniques and procedures hazards and operability analysis (HAZOP), failure modes and effects analysis (FMEA), instrumented protective system (IPS) design, fault trees, event trees, layer of protection analysis (LOPA) and finally SIS life eyele. The importanee of revision of PSI is highlighted in Seetion 3.5. 

The initial training should be an introduction to basic hazards and plant procedures. Topics such as the flammable, toxic and corrosive properties of chemicals, use of personal protective equipment, fire alarm systems and works safety procedures should be discussed. 

For fires, in particular, every regulatory system has issued guide criteria and requirements which, in general, necessitate the implementation of a complete fire protection program. This includes provisions for the separation of redundant safety systems, other prevention measures, anti-fire equipment and operating procedures. 

Fire protection systems (active and passive) Kqilosion vents Toxic gas absorpdon Emcigency plan responses Sirens/warnings Emergency procedures Personnel safety equipment Sheltering... 

A. 1008. A description and a safety analysis of the fire protection system shall be provided in this section, including information on procedures and maintenance activities. Reference could also be made to the design methods (para. A.211). 

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