EN 1991-1-7:2025/prA1
(Amendment)Eurocode 1 - Actions on structures - Part 1-7: Accidental actions
General Information
- Abstract
(1) EN 1991-1-7 provides actions and rules for safeguarding buildings and civil engineering works against identifiable accidental actions.
NOTE 1 Identifiable accidental actions include impact from vehicles and internal explosions.
NOTE 2 Rules on impact from vehicles travelling on a bridge deck are given in EN 1991-2.
(2) EN 1991-1-7 also covers: actions and rules for tying systems and key members; information on risk assessment; dynamic design for impact; actions for internal explosions; actions from debris.
(3) Actions from ship operations such as berthing and mooring are outside the scope of this document.
(4) Actions due to high explosives that detonate are outside the scope of this document.
- Status
- Not Published
- Publication Date
- 09-Feb-2028
- Technical Committee
- CEN/TC 250 - Structural Eurocodes
- Current Stage
- 4060 - Closure of enquiry - Enquiry
- Start Date
- 23-Jul-2026
- Due Date
- 17-Dec-2026
- Completion Date
- 23-Jul-2026
Overview
EN 1991-1-7:2025/prA1 is the draft amendment to Eurocode 1 - Actions on Structures - Part 1-7: Accidental Actions, developed by CEN/TC 250 (Structural Eurocodes). This European Standard provides essential rules for the assessment and prevention of identifiable accidental actions on buildings and civil engineering works.
The standard specifically addresses hazards such as impacts from vehicles and internal explosions. These provisions ensure that structures are designed and constructed to withstand accidental events, protecting both users and vital assets. The amendment reflects the evolving technical requirements and aligns with the second generation of Eurocodes, ensuring consistency with related Eurocode parts and the latest regulatory frameworks.
Key Topics
- Accidental Actions: Focus on identifiable accidental actions, including those resulting from vehicle impacts (excluding vehicles on bridge decks, which are covered by EN 1991-2) and internal explosions.
- Structural Response: Guidance on tying systems, design of key members, and structural robustness, ensuring that partial failure does not lead to disproportionate collapse.
- Risk Assessment: Provision of information and methodologies for risk assessment, helping stakeholders to evaluate and mitigate potential accidental loads.
- Dynamic Design for Impact: Emphasis on dynamic response of structures to impacts, including considerations for substructures and superstructures adjacent to traffic routes.
- Debris Actions: Requirements for accounting for actions imposed by debris in the event of accidental events.
- Design Coordination: Consistency in terminology, referencing updates to foundational Eurocode documents (e.g., EN 1990-1:2023+A1:2026), and harmonization of clauses regarding impact forces and structural elements.
Note: The standard does not address accidental actions from ship operations (berthing, mooring) or high-explosive detonations.
Applications
EN 1991-1-7 is widely relevant for:
- Structural Engineers: For designing resilient buildings and civil engineering works that must withstand accidental impacts and explosions without disproportionate collapse.
- Civil and Infrastructure Projects: For use in infrastructure such as road and railway-adjacent buildings, ensuring substructures are robust against vehicle impact.
- Risk Assessment Professionals: For evaluating structural risks due to accidental actions and implementing appropriate mitigation.
- Construction and Design Teams: For ensuring compliance with European requirements for accidental action scenarios, especially in public, commercial, or transport infrastructure projects.
- Regulatory Authorities and Inspectors: For verifying compliance with safety standards related to accidental design loads.
By following EN 1991-1-7, stakeholders can ensure that structures retain integrity and occupant safety is prioritized under accidental scenarios, fulfilling both legal and technical obligations throughout the structure's lifecycle.
Related Standards
For comprehensive design, EN 1991-1-7 should be used alongside the following related European standards:
- EN 1991-2: Eurocode 1 - Actions on structures - Part 2: Traffic loads on bridges (Provides rules for vehicle actions on bridge decks).
- EN 1990-1:2023+A1:2026: Eurocode - Basis of structural and geotechnical design - Part 1: New structures.
- EN 1998 (all parts): Eurocode 8 - Design of structures for earthquake resistance (Covers seismic actions, not covered by EN 1991-1-7).
- Other Eurocode parts: Coordination with Eurocodes for material-based and execution requirements, ensuring unified structural performance.
Keywords: Eurocode 1, EN 1991-1-7, accidental actions, impact, internal explosions, structural tying, key members, risk assessment, dynamic design, debris actions, structural safety, building codes, civil engineering standards, CEN, second generation Eurocodes.
By integrating these standards, projects achieve optimal safety, resilience, and regulatory compliance across Europe’s built environment.
Relations
- Effective Date
- 05-Nov-2025
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Frequently Asked Questions
EN 1991-1-7:2025/prA1 is a draft published by the European Committee for Standardization (CEN). Its full title is "Eurocode 1 - Actions on structures - Part 1-7: Accidental actions". This standard covers: (1) EN 1991-1-7 provides actions and rules for safeguarding buildings and civil engineering works against identifiable accidental actions. NOTE 1 Identifiable accidental actions include impact from vehicles and internal explosions. NOTE 2 Rules on impact from vehicles travelling on a bridge deck are given in EN 1991-2. (2) EN 1991-1-7 also covers: actions and rules for tying systems and key members; information on risk assessment; dynamic design for impact; actions for internal explosions; actions from debris. (3) Actions from ship operations such as berthing and mooring are outside the scope of this document. (4) Actions due to high explosives that detonate are outside the scope of this document.
(1) EN 1991-1-7 provides actions and rules for safeguarding buildings and civil engineering works against identifiable accidental actions. NOTE 1 Identifiable accidental actions include impact from vehicles and internal explosions. NOTE 2 Rules on impact from vehicles travelling on a bridge deck are given in EN 1991-2. (2) EN 1991-1-7 also covers: actions and rules for tying systems and key members; information on risk assessment; dynamic design for impact; actions for internal explosions; actions from debris. (3) Actions from ship operations such as berthing and mooring are outside the scope of this document. (4) Actions due to high explosives that detonate are outside the scope of this document.
EN 1991-1-7:2025/prA1 is classified under the following ICS (International Classification for Standards) categories: 91.010.30 - Technical aspects. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1991-1-7:2025/prA1 has the following relationships with other standards: It is inter standard links to EN 1991-1-7:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 1991-1-7:2025/prA1 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2026
Evrokod 1 - Vplivi na konstrukcije -1-7. del: Nezgodni vplivi
Eurocode 1 - Actions on structures - Part 1-7: Accidental actions
Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-7: Außergewöhnliche Einwirkungen
Eurocode 1 - Actions sur les structures - Partie 1-7: Actions accidentelles
Ta slovenski standard je istoveten z: EN 1991-1-7:2025/prA1
ICS:
91.010.30 Tehnični vidiki Technical aspects
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
EUROPEAN STANDARD
EN 1991-1-7:2025
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
April 2026
ICS 91.010.30
English Version
Eurocode 1 - Actions on structures - Part 1-7: Accidental
actions
Eurocode 1 - Actions sur les structures - Partie 1-7: Eurocode 1 - Einwirkungen auf Tragwerke - Teil 1-7:
Actions accidentelles Außergewöhnliche Einwirkungen
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 250.
This draft amendment A1, if approved, will modify the European Standard EN 1991-1-7:2025. If this draft becomes an
amendment, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
inclusion of this amendment into the relevant national standard without any alteration.
This draft amendment was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1991-1-7:2025/prA1:2026 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Modifications throughout the whole document . 4
2 Modification to the Introduction . 4
3 Modification to Clause 2, “Normative references” . 4
4 Modification to Clause 5, “Impact” . 4
5 Modification to Annex B, “Information on risk assessment” . 5
6 Modification to Annex C, “Dynamic design for impact” . 5
7 Modification to Annex E, “Actions from debris” . 5
European foreword
This document (EN 1991-1-7:2025/prA1:2026) has been prepared by Technical Committee CEN/TC 250
“Structural Eurocodes”, the secretariat of which is held by BSI. CEN/TC 250 is responsible for all
Structural Eurocodes and has been assigned res
...