Safety assessment requirements for the approval of a hydrogen refueling station
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Safety Assessment Requirements for the Approval of a Hydrogen Refueling Station. Menso Molag Ingrid Heidebrink. [email protected] HyApproval project Stakeholders for HRS Approval Interviews of Stakeholders Safety requirements of the approving authorities Conclusions and recommendations.

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Safety assessment requirements for the approval of a hydrogen refueling station

Safety Assessment Requirements for the Approval of a Hydrogen Refueling Station

Menso Molag

Ingrid Heidebrink

[email protected]


Contents

HyApproval project Hydrogen Refueling Station

Stakeholders for HRS Approval

Interviews of Stakeholders

Safety requirements of the approving authorities

Conclusions and recommendations

Contents

Safety Assessment requirements for HRS Approval


Background of the hrs approval

Demonstration projects: difficult to get approval for a HRS Hydrogen Refueling Station

Need for Harmonisation of a HRS and HRS approval

HyApproval: Facilitate the HRS approval

WP3

Stakeholders?

What safety information is needed?

How is it assessed by the authorities?

How can it be harmonised?

Background of the HRS approval

Safety Assessment requirements for HRS Approval


Stakeholders in the approval process

Industry Hydrogen Refueling Station

Authorities

Advisors to the authorities

Labour or industry or environmental inspectorate

Fire Brigade

Public

Consumers

People living or working in the environment of a HRS

Stakeholders in the Approval Process

Safety Assessment requirements for HRS Approval


Interview questionaire

Responsibility and liability of stakeholders Hydrogen Refueling Station

Required information

Occupational and external safety policy concerning HRS

Assessment criteria HRS

Applied guidelines and methods to assess consequences and risks

Off-site safety and land use planning

Inspection

Emergency planning

Dissemination of HyApproval Handbook

Remarks / gaps

Interviews in: France, Germany, Italy, Netherlands, Spain, USA,

Interview questionaire

Safety Assessment requirements for HRS Approval


Requirements of the approving authorities common elements

Need for H2 specific laws/regulations Hydrogen Refueling Station

Required permits

Building permit

Environmental permit

Operating permit

Safety policy

Prevention of accidents

Create a safety zone or safety distance

Optimal preparation of emergency services

Safety assessment

Requirements of the approving authoritiesCommon elements

Safety Assessment requirements for HRS Approval


Definition of hrs safety distances
Definition of HRS Safety distances Hydrogen Refueling Station

  • Explosion Hazard zones

    • ATEX [94/9/EC, IEC/EN60079-10, NFPA 70]

    • 1st , (2nd ) party risks

  • Safety distances or minimum separation distances

    Low probabilty accidents with consequences

    • Frequency > 3.5 * 10-5 per year

    • Consequences inside HRS

    • 1st, 2nd party risks [EIGA DOC 75/07/E]

  • External safety distances:

    Very low probability, high consequence accident scenarios

    • Frequency ≤ 3.5 * 10-5 per year

    • Consequences outside boundary of HRS

    • 1st, 2nd, 3rd party risks

Safety Assessment requirements for HRS Approval


Safety assessment requirements

Prescriptive: built according applicable guidelines Hydrogen Refueling Station

All interviewed countries

Deterministic: no 2nd and 3rd party consequences

Germany, Spain

Probabilistic: demonstrate acceptable 2nd and 3rd party risks

Netherlands

Safety Assessment Requirements

Safety Assessment requirements for HRS Approval


Conclusions and recommendations
Conclusions and recommendations Hydrogen Refueling Station

  • Industry focuss : Built and operate a safe HRS

  • Authority focuss : Safe environment of HRS

  • Early and good communication between stakeholders

  • Draft specific guidelines for design, lay-out and inspection HRS

  • HyApproval Handbook is a good start to facilitate HRS approval

  • Handbook must be updated

    • New technology

    • Reduction of uncertanties in safety assessment

    • Harmonisation approval process

Safety Assessment requirements for HRS Approval


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