Seveso basic principles and tools. EU Seveso Directive. Main principles and tools for application. Page 1

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1 EU Seveso Directive Main principles and tools for application Page 1

2 Seveso Directive history in brief European Union, after Seveso accident, has adopted a specific Directive relevant to the control of major-accident hazards involving dangerous substances. SEVESO I SEVESO II Directive 82/501/EEC of 06/24/1982 (Italy: DPR 175/88 of 05/17/1988) Directive 96/82/CE of 12/09/1996 (Italy: D. Lgs 334/98 del 08/17/1999) SEVESO II Amendment Directive 2003/105/CE of 12/16/2003 (Italy: D. Lgs 334/98 del 17/08/1999) SEVESO III Directive 2012/18/UE of 07/04/2012 (Italy and Europe: within June 1st 2015) Page 2

3 Seveso Directive Some definitions Dangerous substance: A substance or mixture covered by Part 1 or listed in Part 2 of Annex I, including in the form of a raw material, product, byproduct, residue or intermediate Major accident: an occurrence such as a major emission, fire, or explosion resulting from uncontrolled developments in the course of the operation of any establishment covered by this Directive, and leading to serious danger to human health or the environment, immediate or delayed, inside or outside the establishment, and involving one or more dangerous substances Operator: Any natural or legal person who operates or controls an establishment or installation or, where provided for by national legislation, to whom the decisive economic or decision-making power over the technical functioning of the establishment or installation has been delegated Page 3

4 Seveso Directive Obligation for operator Amount of handled dangerous substances (as per Annex 1) Type of obligation 1 2 Dangerous substances equal or above to Annex 1 part 1 and 2, column 2. Dangerous substances equal or above to Annex 1 part 1 and 2, column 2. Page 4 Art. 6 and 7 Art. 6, 7 and 9 Notification, Major Accident Prevention Policy Notification, Major Accident Prevention Policy Safety Report

5 Substances verification Dangerous Substance Inventory COLUMN 1 COLUMN 2 COLUMN 3 Qualifying quantity (tonnes) dangerous substances as delivered in art. 3 (4), for application of Dangerous substances Articles 6 and 7 Article 9 1 VERY TOXIC TOXIC OXIDIZING EXPLOSIVE(see note 2) where the substance, preparation or article falls under UN/ADR Division EXPLOSIVE(see note 2) where the substance, preparation or article falls under UN/ADR Division 1.1, 1.2, 1.3, 1.5 or 1.6 or risk phrase R2 or R FLAMMABLE Page 5

6 Seveso Directive Obligations HIGH RISK LEVEL SAFETY REPORT - QRA SAFETY MANAGEMENT SYSTEM - TRAINING PUBLIC INFORMATION INTERNAL EMERGENCY RESPONSE PLAN Page 6

7 Seveso Directive Obligations LOW RISK LEVEL QRA SAFETY MANAGEMENT SYSTEM - TRAINING PUBLIC INFORMATION INTERNAL EMERGENCY RESPONSE PLAN Page 7

8 Risk Analysis (QRA) basic principles and tools Flow scheme Preliminary analysis Systematic analysis (HAZOP, etc.) Historical analysis Plant analysis Event Definition source terms Identification Magnitude consequences scenario Fault tree Event tree Event Scenario frequency frequency Page 8 Risk presentation

9 Risk Evaluation possible approach Risk Matrix F R E Q U E N C Y Likely 4 Unlikely 3 Very unlikely 2 Extremely unlikely 1 Acceptable risk ALARP Unacceptable risk SCENARIO 1 SCENARIO 2 SCENARIO Minor Significant Severe Catastrophic CONSEQUENCES Page 9

10 Safety Report Main aspects General structure of Safety Report FIRST SECTION. Site identification and localization data SECOND SECTION. Establishment specific data Plant management (organization chart, roles, training program) Stabilimento di Priolo SCHEMA A BLOCCHI QUANTIFICATO IMPIANTO ETILENE DI PRIOLO IMPIANTO ETILENE 9 GASOLIO ETILENE DI SPURGO LLDPE VAPORE DI DILUIZIONE CERE DA LLDPE 2 PRERISCALDO CARICA STOCCAGGIO CARICA IMPIANTO FORNI DI CRACKING VIRGIN NAFTA FRAZIONAMENTO PRIMARIO E QUENCH ,4 COMPRESSIONE E LAVAGGIO CAUSTICO 0,6 PENTENI E RAFFINATO 7 3 OLIO COMBUSTIBILE DA CRACKING BUTENI DA LLDPE PROPANO A RICICLO ETANO A RICICLO COLONNA ETILENE -103 DEMETANATORE 2 24 UNUTA' DI TRATTAMENTO OFF GAS FCC 10, PROPANO A RICICLO DEPROPANATORE PSA SEZIONE DI ESSICCAMENTO E RAFFREDDAMENTO IDROGENO 31 METANATORE 16 DEETANATORE E REATTORI ACETILENE RETE GAS COMBUSTIBILE CALDAIE AUSILIARIE 35 BK ad AROMATICI REATTORI MAP E PURIFICAZIONE PROPILENE 48 SPLITTER PROPILENE PROPILENE 11 OCC a SG11 PROPILENE a SG14 STOCCAGGIO PRODOTTI ETILENE a LLDPE DEBUTANATORE 17 ETILENE 10 ETILENE a SG11 12 BENZINA DI CRACKING LEGGERA 35 PROPILENE "ESSO" LEGENDA: STREAM TEMPERATURA CICLO FRIGO A PROPILENE CICLO FRIGO A ETILENE 15 PROPILENE A BASSO TITOLO A PR1 PRESSIONE Plant description (block diagrams, PFDs, etc.) 14 OFF GAS FCC 5 BENZINA DI CRACKING PESANTE FRAZIONE C4 A SG14 13 STAZIONE DI SPINTA ETILENE a ETILENODOTTO RAGUSA/GELA Dangerous substances information (MSDS) Page 10

11 Safety Report Main aspects General structure of Safety Report THIRD SECTION. Risk analysis and safety data FOURTH SECTION. Emergency and response management Escalation studies (from original scenario to possible domino effects) Fire fighting measures and installations Emergency response organization Page 11

12 La struttura del Sistema di Gestione della Sicurezza La struttura SGS deve rispecchiare tutti gli argomenti richiesti dalla norma : Politica Organizzazione e personale Identificazione e valutazione dei pericoli di incidente rilevante Controllo operativo Gestione delle modifiche Pianificazione delle emergenze Controllo delle prestazioni Controllo e revisione Page 12

13 Documentazione del SGS Page 13

14 ICARO: Safety Reports in Italy Page 14

15 ICARO: Safety Reports in Italy Page 15

16 THANK YOU Page 16