MEDACTHU PROGRAM

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MEDACTHU PROGRAM
EPA ThessaliaEmergency and Readiness Procedures

• 28 September 2007

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EPA THESSALIA GAS DISTRIBUTION SYSTEM
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GAS DISTRIBUTION SYSTEM DATA

• EPA MANAGES THE MEDIUM AND LOW PRESSURE GAS
  DISTRIBUTION NETWORK (MPDS, LPDS) IN THE URBAN
  AREA OF LARISSA AND GHIANULI MUNICIPALITIES AND
  IN THE AREA OF VOLOS
• EPA MANAGES THE MEDIUM AND LOW PRESSURE GAS
  DISTRIBUTION NETWORK IN THE INDUSTRIAL AREAS
  (VIPE) OF LARISSA AND VOLOS

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MEDIUM PRESSURE DATA

• DESIGN PRESSURE 19 BAR
• SERVICE PRESSURE 16 BAR
• TYPE OF DISTRIBUTION PIPELINES
• PIPELINE MATERIAL STEEL
• PIPE INSTALLATION BURIED PIPES
• LENGTH 86 KM
• DIAMETER VARIES FROM 14 TO 2

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MEDIUM PRESSURE DATA inLARISSA

• GAS SUPPLIER DESFA
• GAS DELIVERY STATIONS (CITYGATES) 2
• NORTH LARISSA CITYGATE LOCATION NEW NATIONAL
  ROAD, SYKOYRIO JOINT
• SOUTH LARISSA CITYGATE LOCATION BY NEW NATIONAL
  ROAD, NEAR PLATYKAMPOS JOINT
• OPERATIONS AT CITYGATES PROVIDED BY DESFA
• PRESSURE REDUCTION AND REGULATION SERVICES
• OVERALL QUANTITY AND ENERGY METERING
• ODORIZATION

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MEDIUM PRESSURE DATA VOLOS SOVEL (ALMYROS)

• GAS SUPPLIER DESFA
• GAS DELIVERY STATIONS (CITYGATES) 2
• VOLOS A INDUSTRIAL ESTATE (A VIPE) CITYGATE
  LOCATION A VIPE VOLOS, 3RD ROAD
• KOKKINA VILLAGE DESFA LINE VALVE CITYGATE FROM
  WHICH STARTS A 28 KM 8 BRANCH TO SOVEL
• OPERATIONS AT CITYGATES PROVIDED BY DESFA
• SERVICE PRESSURE REDUCTION AND REGULATION
• OVERALL QUANTITY AND ENERGY METERING
• ODORIZATION

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IRI STATIONS LARISSA AREA

• PRESSURE REDUCTION 19/4 BAR
• NOMINAL CAPACITY 5000 Nm3/h
• TYPE 2 LINES
• INSTALLATION ABOVE GROUND FENCED IN PUBLIC AREAS
• NUMBER OF IRI 4 (SERVING LARISSA-GHIANULI), 2
  (SERVING INDUSTRIAL AREA)

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IRI STATIONS VOLOS AREA

• PRESSURE REDUCTION 19/4 BAR
• NOMINAL CAPACITY 5000 Nm3/h
• TYPE 2 LINES
• INSTALLATION ABOVE GROUND FENCED IN PUBLIC AREAS
• NUMBER OF IRI 4 (SERVING VOLOS-NEA IONIA
  COUNCILS), 1 (SERVING A INDUSTRIAL ESTATE A
  VIPE), 1 (SERVING B INDUSTRIAL ESTATE VIPE
  VELESTINO), 1 (SERVING AGRIA COUNCIL)

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LP DISTRIBUTION SYSTEM

• DESIGN PRESSURE 4 BAR
• SERVICE PRESSURE 3 BAR
• PIPELINE MATERIAL HIGH DENSITY POLYETHYLENE
• PIPE INSTALLATION BURIED PIPES
• LENGTH 490 KM
• DIAMETER VARIES FROM F160 TO F63
• NETWORK TOPOLOGY LOOPED (F125) WITH OPEN BRANCH
  EXTENSIONS (F125/F63) DERIVED FROM LOOP FOR
  SATURATION
• LPDS DEVELOPMENT
• URBAN AREA OF LARISSA DIVIDED INTO THREE
  OPERATING SECTOR (OS) EACH ONE COVERED BY A MAJOR
  LOOP AND SATURATED BY OPEN BRANCHES
• EACH OS SUPPLIED BY ONE OR MORE IRI

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CLIENTS IN GAS

• THE LOW PRESSURE DISTRIBUTION NETWORK SERVES
• 20300 CLIENTS IN GAS IN LARISSA AND VOLOS AREAS
• 20 INDUSTRIAL CLIENTS
• CLIENTS ARE SERVED VIA 5.500 SERVICE LINES
  DERIVED FROM THE LOW PRESSURE DISTRIBUTION
  NETWORK
• 26 EPA INDUSTRIAL CLIENTS ARE SERVED FROM THE
  MEDIUM PRESSURE DISTRIBUTION NETWORK (4 IN
  LARISSA AREA)

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MEDIUM PRESSURE PIDLARISSA
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MEDIUM PRESSURE PID VOLOS/NEA IONIA
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EPA THESSALIA OPERATING PROCEDURES
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PROCEDURES
According to the Natural Gas Distribution Licence
EPA Thessalia has to guarantee

• Operation and Maintenance of the whole network
• Readiness Management
• Crisis Management

EPA Procedures N 011 and 012
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PROCEDURESREQUIREMENTS TO BE FULFILLED

• Safety of the population
• Safety of the involved employees
• Secure operation of the gas distribution system
• Continuity of gas distribution service
• Compliance to regulations
• - Gas Distribution License
• - National Technical Regulation Operation and
  Maintenance Manual

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READINESS PROCEDURE
PRO 011 and operational instruction 013 Applied
in case of anomaly or accident in the gas network
or in the internal installation of the Client
SCADA

• Head of Readiness
• Operating Technical Head (2º )
• Squad Head (1º)
• Technician (1º)
• External Contractor

CALL CENTER
THIRDS
Intervention by 2 h for 90 of calls and 4h for
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READINESS PROCEDURE CONTD

• EPA RUNS A READINESS SERVICE DURING WORKING AND
  NON WORKING HOURS (24 H A DAY, 365 D A YEAR)
  ACCORDING TO INTERNAL PROCEDURES 011 AND 013
• DURING WORKING HOURS THE OPERATING READINESS IS
  GUARANTEED BY THE HEAD OF READINESS, THE
  OPERATING TECHNICAL HEAD, THE SQUAD HEAD AND
  TECHNICIAN. ALL PEOPLE ARE ON OPERATING READINESS
  WHILE CARRYING OUT NORMAL MAINTENANCE DUTIES
  ACCORDING TO THE SCHEDULE
• AFTER THE WORKING HOURS THERE ARE TWO LEVELS OF
  AVAILABILITY
• - 1 LEVEL Squad Head and Technician
• - 2 LEVEL Operating technical head

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READINESS MANAGEMENT
THE READINESS SQUAD HEAD IS CONTACTED BY THE CALL
CENTER ABOUT GAS INCIDENTS OCCURING AT THE EPA
RESPONSIBILITY ZONE THE SQUAD HEAD MANAGES THE
READINESS SQUAD DECIDING THE RESOURCES TO UTILISE
FOR RESOLVING THE SITUATION AN EXTERNAL
CONTRACTOR WITH ADEQUATE PERSONNEL AND EQUIPMENT
IS ALSO ON READINESS WITH DUTIES REGULATED BY A
CONTRACT WITH EPA CONTRACTOR IS ORDERED BY THE
SQUAD HEAD, AFTER JUDGEMENT OF THE INCIDENT, TO
INTERVENE IN MAXIMUM TWO HOURS TIME FROM THE
ANNOUNCEMENT THE OPERATING TECHNICAL HEAD IS
CALLED BY THE SQUAD HEAD IN CASE OF DIFFICULT
INTERVENTION OR PRESENCE OF PUBLIC
AUTHORITIES THE OPERATING TECHNICAL HEAD INFORMS
THE COMPANYS UPPER LEVEL MANAGEMENT IF THE
INCIDENT IS JUDGED TO HAVE CHARACTERISTICS OF AN
EMERGENCY OR CRISIS
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EPA THESSALIA EMERGENCY PROCEDURE
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Pro. 012 CRISIS MANAGEMENT FOR THE GAS
DISTRIBUTION SYSTEM
EMERGENCY EVENT ABLE TO PRODUCE SERIOUS AND/OR
LARGE SCALE EFFECTS ON GAS DISTRIBUTION SYSTEM

• The results on gas distribution system may be
• Unscheduled out of operation of City Gates or IRS
• Unscheduled out of operation of Medium Pressure
  and Low Pressure network with gas supply
  interruption for one or more final clients
• Gas supply interruption to one or more final
  clients following a gas leakage
• Pressure excess or shortage in the network
• Gas supply interruption to at least 250 final
  Clients and for which the gas is not supplied for
  more than 24 hours.

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Pro. 012 CRISIS MANAGEMENT FOR THE GAS
DISTRIBUTION SYSTEM

• ATTACHED
• TERRITORIAL EMERGENCY PLAN for
• EPA THESSALONIKIS
• EPA THESSALIAS
• GENERAL EMERGENCY PLAN
• JOURNAL OF EMERGENCY MANAGEMENT ACTIVITIES

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EMERGENCY MANAGEMENT
NOTIFICATION OF ANOMALIES IN THE DISTRIBUTION
NETWORK
EVALUATION OF THE ANOMALIES or INNEFICIENCIES
EMERGENCY MANAGEMENT
FINAL ANALYSIS
CONTROL AND MONITORING
REPORTING
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NOTICE OF ANOMALIES

• CALL CENTER MAY BE INFORMED ABOUT AN ANOMALY BY
• THIRDS
• SAFETY BOARDS SUCH AS FIRE FIGHTING BRIGADE,
  POLICE ETC.
• ALARMS FROM REMOTE CONTROL SYSTEM
• EPA PERSONNEL

THE CALL CENTER OPERATES ACCORDING TO THE
PROCEDURE 011 READINESS MANAGEMENT
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EVALUATION OF ANOMALIES

• THE READINESS HEAD OR THE OPERATING TECHNICAL
  HEAD INFORM THE HEAD OF TECHNICAL DEPARTMENT
  ABOUT A LARGE SCALE OR OUTSTANDING ANOMALY
• THE HEAD OF TECHNICAL DEPARTMENT EVALUATES THE
  EVENTS AND ANNOUNCES THE EMERGENCY TAKING CHARGE
  OF THE OPERATIONS
• IN CASE OF GENERAL EMERGENCY (PUBLIC AUTHORITIES
  AND BOARD INVOLVED, MEDIA ETC.) EPA GENERAL
  MANAGER ANNOUNCES AND TAKE CHARGE OF GENERAL
  EMERGENCY

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EMERGENCY MANAGEMENT
ACTIONS PROVIDED BY THE HEAD OF EMERGENCY

• COORDINATES THE EMERGENCY STRUCTURE (INCLUDING
  MAINLY ALL TECHNICAL PERSONNEL)
• IN CASE OF GENERAL EMERGENCY IS ACTIVATED ALSO
  THE EMERGENCY STEERING COMMITTEE (INCLUDING ALL
  UPPER LEVEL MANAGEMENT OF EPA)
• INFORMS AND GET INVOLVED AUTHORITIES AND SAFETY
  BOARDS IF REQUIRED. IN THIS CASE IS SUPPORTED BY
  COIME AND LEGAL DEPARTMENT
• INFORMS COMMERCIAL DEPARTMENT IF ITS NECESSARY
  TO INTERRUPT THE GAS SUPPLY TO SOME CUSTOMERS

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EMERGENCY MANAGEMENT CONTD
ACTIONS PROVIDED BY THE HEAD OF EMERGENCY

• KEEP THE CALL CENTER UPDATED ABOUT THE EMERGENCY
  PROGRESS IN ORDER TO GUARANTEE A CONSTANT AND
  CORRECT INFORMATION TO PEOPLE CALLING
• ONCE RESTATED THE SAFETY CONDITIONS AND THE GAS
  SUPPLY TO ALL FINAL CLIENTS, THE HEAD ANNOUNCES
  THE END OF THE EMERGENCY
• INFORMS ALL PERSONNEL, DEPARTMENTS AND
  AUTHORITIES INVOLVED DURING THE EMERGENCY
• AN EMERGENCY JOURNAL IS FILLED IN TO RECORD ALL
  ACTIONS ADOPTED.

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FINAL ANALYSIS
BY TWO MONTHS FROM THE END INAU DEPARTMENT
PROVIDES AN ANALYSIS OF THE EMRGENCY CASE

• HOW THE INTERNAL STRUCTURE HAS WORKED
• HOW THE EXTERNAL CONTRACTORS HAVE WORKED
• AVAILABILITY OF DATA AND INFORMATION
• AVAILABILITY OF TOOLS AND MATERIALS
• COMMUNICATION
• RELATIONSHIP WITH AUTHORITIES, MEDIA ETC
• EVENTUAL NEEDS FOR IMPROVING THE EMERGENCY PLAN

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MONITORING AND REPORTING

• THE HEAD OF EMERGENCY SENDS TO THE GREEK ENERGY
  AUTHORITY (RAE) A REPORT FOR EACH EMERGENCY AS
  REQUIRED BY THE GAS LICENCE
• INAU MONITORS ALL EMERGENCY ACTIVITIES AND
  ISSUES EVERY SIX MONTHS A REPORT
• AFTER EACH EMERGENCY INAU ISSUES A REPORT TO BE
  PRESENTED TO THE GENERAL MANAGER
• ALL TERRITORIAL AND GENERAL EMERGENCY PLANS ARE
  FILED AND UPDATED BY TECHNICAL DEPARTMENT