Background information to the National Annex to BS EN 1991-1-4 and additional guidance Ingestion-build-44616 BS EN 12390-2:2009 Testing hardened

BS EN 12390-2:2009 Testing hardened concrete

This European Standard includes requirements for intended performance

No-load output voltage

Design considerations

installation and maintenance of automatic water sprinkler and spray systems

Background information to the National Annex to BS EN 1991-1-4 and additional guidance Ingestion-build-44616 BS EN 12390-2:2009 Testing hardenedPD 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