British Standards Institution

Sector: Construction

Overview: Under the direction of B/525 is responsible for the UK input to CEN/TC 250/SC 2 Eurocode 1992 - Design of concrete structures and Eurocodes related documents. It also mirrors CEN/TC 104 Concrete and related products SC 2 Execution and ISO/TC 71/SC 3 Concrete production and execution of concrete structures and ISO/TC 71/SC 5 Simplified design.

Committee standards activity

In Progress (32)

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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.
Revision of PD 6687-1:2010	Background paper to National Annexes to BS EN 1992-1 and BS EN 1992-3 Categories: Standardization. General rules \| Technical aspects \| Building elements \| Building structures \| Structures. Concrete \| Construction materials \| Cement. Gypsum. Lime. Mortar \| Concrete and concrete products Proposal begins : 2019-10-31	Proposal
PD 6687:2025	PD 6687 Background paper to the National Annexes to BS EN 1992-1 and BS EN 1992-4 Categories: Unclassified documents Drafting begins : 2025-11-14	Drafting
PD 6687 : 202X	Background paper to the National Annexes to BS EN 1992-1-1, BS EN 1992-1-2 and BS EN 1992-4. Categories: Information management \| Standardization. General rules Proposal begins : 2024-10-23	Proposal
ISO/TC 71/SC 5 - ISO/NP 21725-1,	Simplified design of prestressed concrete bridges -- Part 1: I-girder bridges Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction industry. General \| Construction materials. General \| Concrete and concrete products \| Construction materials. Other Proposal begins : 2019-06-03	Proposal
ISO/PWI 22556.2	Simplified performance-based wind design (PBWD) for concrete buildings Categories: Information management \| Standardization. General rules Proposal begins : 2024-01-18	Proposal
ISO/PWI 13182	Classification for discrete polymer fibre for fibre-reinforced cementitious composites Categories: Information management \| Standardization. General rules \| Construction \| Structures. Concrete Proposal begins : 2023-01-25	Proposal
ISO/PWI 13180-1.2	A guideline on direct tension test method for fibre-reinforced cementitious composites (FRCCs) -- Part 1: Strain-hardening FRCC Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Structures. Concrete \| Products in fibre-reinforced cement Proposal begins : 2023-04-06	Proposal
ISO/NP 26113	Simplified Design of Reinforced Concrete Box Culverts Categories: Information management \| Standardization. General rules Proposal begins : 2025-07-30	Proposal
ISO/NP 22556	Simplified performance-based wind design (PBWD) for concrete buildings Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Buildings \| Building structures \| Structures. Concrete Proposal begins : 2023-07-06	Proposal
ISO/NP 21725-2, - ISO/TC 71/SC 5	Simplified design of prestressed concrete bridges -- Part 2: Box-girder bridges Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction industry. General \| Buildings. Other \| Construction materials \| Construction materials. General Proposal begins : 2019-06-03	Proposal

Published (27)

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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 CEN/TR 17081:2018	Design of fastenings for use in concrete. Plastic design of fastenings with headed and post-installed fasteners Categories: Fasteners. General \| Structures. Concrete Published standard begins : 2018-10-04	Published standard
PD CEN/TR 17080:2018	Design of fastenings for use in concrete. Anchor channels. Supplementary rules Categories: Fasteners. General \| Structures. Concrete Published standard begins : 2018-10-08	Published standard
PD CEN/TR 17079:2018	Design of fastenings for use in concrete. Redundant non-structural systems Categories: Fasteners. General \| Structures. Concrete Published standard begins : 2018-10-05	Published standard
PD 6687-2:2008	Recommendations for the design of structures to BS EN 1992-2:2005 Categories: Technical aspects \| Structures. Concrete \| Bridge construction Published standard begins : 2008-07-11	Published standard
PD 6687-1:2020	Background paper to the National Annexes to BS EN 1992-1, BS EN 1992-3 and BS EN 1992-4 Categories: Technical aspects \| Structures. Concrete \| Bridge construction Published standard begins : 2020-11-25	Published standard
NA to BS EN 1992-3:2006	UK National Annex to Eurocode 2. Design of concrete structures. Liquid retaining and containment structures Categories: Technical aspects \| Structures. Concrete Published standard begins : 2007-10-30	Published standard
NA to BS EN 1992-2:2005	UK National Annex to Eurocode 2. Design of concrete structures. Concrete bridges. Design and detailing rules Categories: Technical aspects \| Structures. Concrete \| Bridge construction Published standard begins : 2007-12-19	Published standard
NA to BS EN 1992-1-2:2004	UK National Annex to Eurocode 2. Design of concrete structures. General rules. Structural fire design Categories: Fire-resistance. Building materials and elements \| Technical aspects \| Structures. Concrete Published standard begins : 2005-11-29	Published standard
BS ISO 19338:2025	Performance requirements for standards on concrete structures Categories: Structures. Concrete Published standard begins : 2025-03-10	Published standard
BS ISO 14824-3:2012	Grout for prestressing tendons. Test methods Categories: Concrete and concrete products Published standard begins : 2012-11-01	Published standard

Withdrawn (20)

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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 6687:2006	Background paper to the UK National Annexes to BS EN 1992-1 Categories: Structures. Concrete \| Technical aspects Withdrawn begins : 2011-04-21	Withdrawn
PD 6687-1:2010	Background paper to the National Annexes to BS EN 1992-1 and BS EN 1992-3 Categories: Technical aspects \| Structures. Concrete Withdrawn begins : 2020-11-25	Withdrawn
NA to BS EN 1992-1-1:2004	UK National Annex to Eurocode 2. Design of concrete structures. General rules and rules for buildings Categories: Technical aspects \| Structures. Concrete Withdrawn begins : 2015-07-02	Withdrawn
NA to BS EN 1992-1-1:2004	UK National Annex to Eurocode 2. Design of concrete structures. General rules and rules for buildings Categories: Technical aspects \| Structures. Concrete Withdrawn begins : 2009-12-21	Withdrawn
DD ENV 1992-4:2000	Eurocode 2. Design of concrete structures. Liquid retaining and containing structures (together with United Kingdom National Application Document) Categories: Technical aspects \| Structures. Concrete Withdrawn begins : 2006-07-25	Withdrawn
DD ENV 1992-2:2001	Eurocode 2: Design of concrete structures. Concrete bridges Categories: Technical aspects \| Structures. Concrete \| Bridge construction Withdrawn begins : 2005-12-05	Withdrawn
DD ENV 13670-1:2000	Execution of concrete structures. Common Categories: Structures. Concrete Withdrawn begins : 2010-02-18	Withdrawn
DD CEN/TS 1992-4-5:2009	Design of fastenings for use in concrete. Post-installed fasteners. Chemical systems Categories: Fasteners. Other \| Structures. Concrete Withdrawn begins : 2018-10-19	Withdrawn
DD CEN/TS 1992-4-4:2009	Design of fastenings for use in concrete. Post-installed fasteners. Mechanical systems Categories: Fasteners. Other \| Structures. Concrete Withdrawn begins : 2018-10-19	Withdrawn
DD CEN/TS 1992-4-3:2009	Design of fastenings for use in concrete. Anchor channels Categories: Fasteners. General \| Structures. Concrete Withdrawn begins : 2018-10-19	Withdrawn

Message Committee Become a committee member

Committee members

Nominating organizations

British & Irish Association of Fastener Distributors Limited (BIAFD)
British Tunnelling Society
Committee Manager
Concrete Society
CONSTRUCT
Deputy Chair - B/525/2
HSE – Building Safety Regulator
Institution of Civil Engineers
Institution of Structural Engineers
M P A - Mineral Products Association
N S A I - National Standards Authority of Ireland
National Highways
SECED - Society for Earthquake & Civil Engineering Dynamics
U K N T C
UK Steel
University of Nottingham

Liaisons with other committees

Chair of B/525/2/6 - BS 7973 revision
Co Opted - Concrete design & construction
Co Opted - EN 1992 Expert
Co Opted - EN 1992-1-1
Co Opted – EN 1992-2
Liaison - B/517/1
Liaison - B/524
Liaison - B/525/-/3
Liaison - B/525/10
Liaison - B/525/12

BSI roles

Committee Chair

Standards Development

B/525/2 - Structural use of concrete

Committee standards activity