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EuropeAid/131555/C/SER/RS Safety Procedures in the Chemical Industry Ernst SIMON, Styrian Regional Government, Austria Belgrade, December 2013
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Hierarchy&Relations MAPP Safety Management System Underlying documents Safety Report Documentation of establishment Risk analysisMeasuresInternal EP
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Requirements /1 Written form Fully readable („stand alone“) Description of establishment and surroundings Precise description of dangerous substances (CAS, IUPAC, toxicological&physical properties,... Max. capacity of dangerous substances List and scheme of activities Inventory of technical installations and a corresponding map Description and drawing of technical installations Description and scheme of processes and conditions of storage and handling
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Requirements /2 Hazard analysis document Identification of safety-relevant technical installations Identification of sources of hazard Installation proper Human failures Failure of process control devices Loss of containment (corrosion, undetected leakages,...) Deviation of process-parameters Interruption of energy, pressure air, cooling,... Internal transport, „internal“ Domino effect External sources (extreme temperatures, wind, lighting, earthquake, flooding, sabotage...) Methods: systematic, broadly acknowledged (HAZOP, FMEA, LOPA, What-if)
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Relations of hazard analysis Relevant properties: - physical - chemical - toxic - process conditions Initiating event: - leakage - operational failure - deviation of process parameters - maintenance failure Scenario: - release of dang. substance - fire, explosion Possible severity of damages
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Requirements /3 Description of measures: general demonstration of the criteria for sizing and evaluation of safety measures Process control systems Fire- and explosion fighting measures Limiting measures (water curtain, scrubber...) Rapid or automatic shut down systems Fail-safe devices Inertisation Pressure release devices Alarming systems (i.e. gas detection)
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Relations Relevant properties: - physical - chemical - toxic - process conditions Initiating event: - leakage - operational failure - deviation of process parameters - maintenance failure Scenarios: - release of dang. Substance - fire, explosion Possible severity of damages Substitution of dangerous substances New process conditions Improvement of measures Increase of level of safety Demonstration and evaluation of measures
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Requirements /4 Consequence evaluation Purpose: basis for Establishing the internal emergency plan Determination of public to be informed Land Use Planning Domino effects Only passive safety-measures are taken into account Internal emergency plan with connections and interfaces to the external emergency plan Summary of and reference to the SMS
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Internal Emergency Plan Basis of the IEP is the consequence evaluation Necessary content of the IEP see Annex III of Seveso II Directive The IEP consists of two completely different parts with different aims Preparedness plan (before the accident) Determination of persons authorized to set emergency procedures in motion Determination of persons in charge of and coordinating the on-site mitigatory action Determination of the person with responsibility for liaising with the authority responsible for the external emergency plan Define degrees of the accident (often 4: just an incident, accident with internal response only, accident not to cope with internal response – external help needed, catastrophic) Description and map of areas likely to be endangered Description of internal technical and organisational measures Assessment of these measures in qualitative and quantitative respect Floating oil barriers available, sufficient fire fighting water available, redundant energy supply for pumps, fire water retention, testing equipment to identify the released substances, … How many internal persons needed for appropriate action, what kind of training needed, … Information about substances Response Plan (after the accident) Alarming procedures depending on the degree of the accident Determination of the measures which have to be taken depending on the kind and the degree of the accident Description and map of the site containing specific information for rescue services (entrance for external fire fighters, position of hydrants, storage for oil barriers and oil binding agents, …) Information about substances, insofar this information is relevant for mitigatory actions
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Thanks for your attention Questions ??? Comments !!!
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