British Standards Institution - Committee

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B/525/8 - Structures in seismic regions

Sector: Construction

Categories: Containers and tanks. Stationary | Technical aspects | Pipelines. General | Bridge construction | Earthworks. Excavations. Foundation construction. Underground works | Seismic and vibration protection | Building structures. General | Chimneys. Shafts. Ducts

Overview: Under the direction of B/525 is responsible for the UK input to CEN/TC 250/SC 8 Eurocode 1998 Design of structures for earthquake resistance and Eurocodes related documents.

Committee standards activity

In Progress (10)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
UK NA to BS EN 1998-5:202x -	Eurocode 8 - Design of structures for earthquake resistance — Part 5: Geotechnical aspects, foundations, retaining and underground structures Categories: Information management \| Standardization. General rules Proposal begins : 2024-07-05	Proposal
PD CEN/TS WI 00250273	Characterisation and qualification of structural components for seismic applications by means of cyclic tests Categories: Unclassified documents Drafting begins : 2023-10-26	Drafting
PD CEN/TS 1998-1-101:2026	Eurocode 8 - Design of structures for earthquake resistance. Part 1-101: Characterisation and qualification of structural components for seismic applications by means of cyclic tests Categories: Technical aspects \| Seismic and vibration protection Approval begins :	Approval
BS EN 1998-5:2024/A1	Eurocode 8 - Design of structures for earthquake resistance. - Part 5: Geotechnical aspects, foundations, retaining and underground structures Categories: Technical aspects \| Seismic and vibration protection Public comment begins : 2026-03-26	Public comment
BS EN 1998-4:2025/A1	EN 1998-4:2025/prA1 Eurocode 8. Design of structures for earthquake resistance. Part 4: Silos, tanks, pipelines, towers, masts and chimneys Categories: Chimneys. Shafts. Ducts Public comment begins : 2026-06-11	Public comment
BS EN 1998-3:2025/A1	EN 1998-3:2025/prA1 Eurocode 8. Design of structures for earthquake resistance. Part 3: Assessment and retrofitting of buildings and bridges Categories: Seismic and vibration protection Public comment begins : 2026-06-11	Public comment
BS EN 1998-2:2025/A1	Eurocode 8 - Design of structures for earthquake resistance. - Part 2: Bridges Categories: Seismic and vibration protection \| Bridge construction Public comment begins : 2026-03-26	Public comment
BS EN 1998-1-2:2026/A1	Eurocode 8 - Design of structures for earthquake resistance. Part 1-2: Buildings Categories: Unclassified documents Proposal begins :	Proposal
BS EN 1998-1-2:2026/A1	Eurocode 8 - Design of structures for earthquake resistance. Part 1-2: Buildings Categories: Unclassified documents Drafting begins : 2026-06-19	Drafting
BS EN 1998-1-1:2024/A1	Eurocode 8 - Design of structures for earthquake resistance. - Part 1-1: General rules and seismic action Categories: Seismic and vibration protection \| Technical aspects Public comment begins : 2026-03-26	Public comment

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD 6698:2009	Recommendations for the design of structures for earthquake resistance to BS EN 1998 Categories: Seismic and vibration protection Published standard begins : 2009-07-10	Published standard
NA to BS EN 1998-6:2005	UK National Annex to Eurocode 8. Design of structures for earthquake resistance. Towers, masts and chimneys Categories: Seismic and vibration protection Published standard begins : 2008-08-26	Published standard
NA to BS EN 1998-5:2004	UK National Annex to Eurocode 8. Design of structures for earthquake resistance. Foundations, retaining structures and geotechnical aspects Categories: Seismic and vibration protection \| Earthworks. Excavations. Foundation construction. Underground works Published standard begins : 2008-08-26	Published standard
NA to BS EN 1998-4:2006	UK National Annex to Eurocode 8. Design of structures for earthquake resistance. Silos, tanks and pipelines Categories: Seismic and vibration protection Published standard begins : 2008-08-26	Published standard
NA to BS EN 1998-1:2004	UK National Annex to Eurocode 8. Design of structures for earthquake resistance. General rules, seismic actions and rules for buildings Categories: Seismic and vibration protection Published standard begins : 2008-08-26	Published standard
BS EN 1998-6:2005	Eurocode 8. Design of structures for earthquake resistance. Towers, masts and chimneys Categories: Seismic and vibration protection Published standard begins : 2006-01-12	Published standard
BS EN 1998-5:2024	Eurocode 8. Design of structures for earthquake resistance. Geotechnical aspects, foundations, retaining and underground structures Categories: Technical aspects \| Seismic and vibration protection Published standard begins : 2024-10-09	Published standard
BS EN 1998-5:2004	Eurocode 8. Design of structures for earthquake resistance. Foundations, retaining structures and geotechnical aspects Categories: Seismic and vibration protection \| Earthworks. Excavations. Foundation construction. Underground works Published standard begins : 2005-04-08	Published standard
BS EN 1998-4:2006	Eurocode 8. Design of structures for earthquake resistance. Silos, tanks and pipelines Categories: Seismic and vibration protection Published standard begins : 2006-09-26	Published standard
BS EN 1998-3:2025	Eurocode 8. Design of structures for earthquake resistance. Assessment and retrofitting of buildings and bridges Categories: Seismic and vibration protection Published standard begins : 2025-09-17	Published standard

Show entries

Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 1998-4:2025	Eurocode 8. Design of structures for earthquake resistance. Silos, tanks, pipelines, towers, masts and chimneys Categories: Technical aspects \| Chimneys. Shafts. Ducts \| Seismic and vibration protection Withdrawn begins : 2025-11-04	Withdrawn
BS EN 1998-3:2005	Eurocode 8. Design of structures for earthquake resistance. Assessment and retrofitting of buildings Categories: Seismic and vibration protection Withdrawn begins : 2010-04-28	Withdrawn
BS EN 1998-2:2005+A2:2011	Eurocode 8. Design of structures for earthquake resistance. Bridges Categories: Seismic and vibration protection \| Bridge construction Withdrawn begins : 2012-02-14	Withdrawn
BS EN 1998-2:2005+A1:2009	Eurocode 8. Design of structures for earthquake resistance. Bridges Categories: Seismic and vibration protection \| Bridge construction Withdrawn begins : 2010-05-04	Withdrawn
BS EN 1998-2:2005	Eurocode 8. Design of structures for earthquake resistance. Bridges Categories: Seismic and vibration protection \| Bridge construction Withdrawn begins : 2009-08-05	Withdrawn
BS EN 1998-1:2004	Eurocode 8. Design of structures for earthquake resistance. General rules, seismic actions and rules for buildings Categories: Seismic and vibration protection Withdrawn begins : 2010-02-12	Withdrawn
BS EN 1998-1-2:2026	Eurocode 8. Design of structures for earthquake resistance. Buildings Categories: Seismic and vibration protection Withdrawn begins : 2026-04-23	Withdrawn