Background information to the National Annex to BS EN 1991-1-4 and additional guidancePD 6688 1 4: 2009 Background information to the National Annex to BS EN 1991 1 4 and additional guidance When there is a need for guidance on a subject that is not covered by the Eurocode, a country can choose to publish documents that contain non contradictory complimentary information that supports the Eurocode. Published Document (PD) 6688 1 4 is a background paper that gives non contradictory complementary information for use in the UK with BS EN

The test consists of breaking by one blow from a swinging pendulum

Risk retention

Structures including their installations and contents as well as people

Required characteristics

grade A2 (18/8 steels

which in turn might rely on ISO/IEC 15444-1 (JPEG 2000 core coding system)

This excludes structural hollow sections and tubes

manufacture and final check is specified in the clauses and paragraphs of ISO 5167:2003 (parts 2 to 4)

The BS EN 60079 series of standards has been written for manufacturers of electrical equipment for use in gas explosive atmospheres

The legislation discussed in the Published Document specifies a risk assessment approach to dealing with fire and explosion hazards

Specific inspection and testing

f) detailed design and implementation including software development