Committees responsible for this British Standard

The preparation of this National Annex was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/1, Actions (loadings) and basis of design, upon which the following bodies were represented:

Association of Consulting Engineers
British Constructional Steelwork Association
British Masonry Society
Building Research Establishment
Concrete Society
Health and Safety Executive
Highways Agency
Institution of Civil Engineers
Institution of Structural Engineers
National House Building Council
Office of the Deputy Prime Minister
Steel Construction Institute

Introduction

This National Annex has been prepared by BSI Subcommittee B/525/1, Actions (loadings) and basis of design. In the UK it is to be used in conjunction with BS EN 1991‑1‑1:2002.

NA.1 Scope

This National Annex gives:

the UK decisions for the Nationally Determined Parameters described in the following subclauses of BS EN 1991‑1‑1:2002:
- 2.2 (3)
- 5.2.3 (1) to 5.2.3 (5)
- 6.3.1.1 (Table 6.1)
- 6.3.1.2 (1)P (Table 6.2)
- 6.3.1.2 (10)
- 6.3.1.2 (11)
- 6.3.2.2 (1)P (Table 6.4)
- 6.3.3.2 (1) (Table 6.8)
- 6.3.4.2 (Table 6.10)
- 6.4 (1) (Table 6.12)
the UK decisions on the status of BS EN 1991‑1‑1:2002 informative annexes; and
references to non-contradictory complementary information for the following subclauses of BS EN 1991‑1‑1:2002:
- 6.3.2.2
- 6.3.4.2 (1)

NA.2 Nationally Determined Parameters

NA.2.1 Dynamically susceptible structures [BS EN 1991‑1‑1:2002, 2.2(3)]

NA.2.2 Characteristic values of self-weight — Additional provisions specific to bridges [BS EN 1991‑1‑1:2002, 5.2.3]

NA.2.3 Categories for residential, social, commercial and administration areas [BS EN 1991‑1‑1:2002, 6.3.1.1]

NA.2.4 Imposed loads on floors, balconies and stairs in buildings [BS EN 1991‑1‑1:2002, 6.3.1.2 (1)P]

NA.2.5

NA.2.6 Reduction factors for imposed loads from several storeys [BS EN 1991‑1‑1:2002, 6.3.1.2 (11)]

NA.2.7 Categories for storage and industrial areas [BS EN 1991‑1‑1:2002, 6.3.2.1 (1)P]

NA.2.8 Imposed loads on floors due to storage [BS EN 1991‑1‑1:2002, 6.3.2.2 (1)P]

NA.2.9 Imposed loads on garages and vehicle traffic areas [BS EN 1991‑1‑1:2002, 6.3.3.2 (1)]

NA.2.10 Imposed loads on roofs [BS EN 1991‑1‑1:2002, 6.3.4.2]

NA.2.11 Horizontal loads on parapets and partition walls acting as barriers [BS EN 1991‑1‑1:2002, 6.4 (1)]

NA.3 Decisions on the status of informative annexes

NA.3.1 Tables for nominal density of construction materials and nominal density and angles of repose for stored materials [BS EN 1991‑1‑1:2002, Annex A]

NA.3.2 Vehicle barriers and parapets for car parks [BS EN 1991‑1‑1:2002, Annex B]

NA.4 References to non-contradictory complementary information

NA.4.1 Imposed loads on industrial areas [BS EN 1991‑1‑1:2002, 6.3.2.2]

NA.4.2 Imposed loads on roofs [BS EN 1991‑1‑1:2002, 6.3.4.2 (1)]

Bibliography

NA to BS EN 1991-1-1:2002

UK National Annex to Eurocode 1. Actions on structures - General actions. Densities, self-weight, imposed loads for buildings

Current

Published:

31 Jul 2019