1. CENF – Personnel Protection System Preliminary Study
01/August/2013
CENF - SBWG Meeting.
F. Valentini (GS/ASE)
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2. Topics CENF Important Safety Elements Presentation.
CENF Sectorization Proposal.
PPS - Next Development Tasks.
Conclusions.
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3. CENF - Important Safety Elements Presentation
Access Point Concept
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4. CENF - Important Safety Elements Presentation
Personnel Access Device (PAD)
Main Features:
Rigid Mono-block frame.
Exclusive door opening control.
Unique human presence detection.
Low maintenance required.
External Badge Reader
Internal Biometric Eye Scan
Safety Key Distributor
Video Surveillance
Antifraud Detection System
Emergency Unlock Key
HMI – Zone Access Conditions
Mini – Material Access Device
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5. CENF - Important Safety Elements Presentation
Material Access Device (MAD)
Main Features:
Easy dismounting/transportation.
Exclusive door opening control.
Human presence recognition.
Low maintenance required.
External Emergency Handle
Intern Emergency Exit
Internal Video Surveillance
Emergency Unlock Key
Human Presence Recognition System
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6. CENF - Important Safety Elements Presentation
Sector Door
Escape Door
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7. CENF - Important Safety Elements Presentation
EMERGENCY STOP BUTTON
Stop Beam Mode
Prevent Activation of Beam Mode
RADIATION MONITORS
Stop Beam Mode
Prevent Activation of Beam Mode
EVACUATION SIRENS
Alert for imminent activation of Beam Mode
Alert for Evacuation is any danger appears
PATROL BOXES
Set the Safety conditions for Beam operations
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8. CENF – Sectorization Proposal
POINT 1 – Surface Building
Access Point:
PAD
Mini-MAD
MAD
Escape Door
Material Door:
Not Controlled
Material Door:
Not Controlled
Shielding Block:
Interlocked
ZONE CLASSIFICATION: Controlled Area
Shielding Block:
Interlocked
Access Point:
PAD
Mini-MAD
Key Distributor
Escape Door
Shielding Block:
Interlocked
Escape Door:
Controlled S1

9. CENF – Sectorization Proposal
POINT 1 – Underground Building
Sector Door:
Interlocked S3
ZONE CLASSIFICATION: Interlocked Area
Sector Door:
Interlocked S2 S1

10. CENF – Sectorization Proposal
POINT 2 – Surface / Underground Building
Sector Door:
Interlocked S3
Sector Door:
Interlocked
Shielding Block:
Interlocked
ZONE CLASSIFICATION: Interlocked Area S2 S1 S3
Access Point:
PAD
Mini-MAD
Key Distributor
Escape Door

11. PPS - Next Development Tasks
Risk Analysis Documentation
Definition of all PPS protection barriers.
Definition of risks other than radiological.
Safety Integrity Level (SIL) Allocation.
Definition of all Important Safety Elements (EIS_f/m) to interlock.
Finalization of the CENF Sectorization.
Formalization of all Instrumented Safety Functions of the System
Clearly define the PPS functionalities / scope.
Definition of the final Safety Validation Plan.
PPS Final Technical Specification
Definition of system architecture.
Choose of all HW/SW components.
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12. Conclusions MAIN OPENED POINTS:
Confirmation of the role of the Ventilation System (CV).
Confirmation of the radiological classification of the different areas (RP).
Listing of all CENF areas accessible by the personnel (ex. Tunnel areas).
Operation of the Access/Safety System (Local Control Room / SPS)
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