European Norm (EN) Standards


Hong Kong has introduced a New Code of Practice on Fire Safety in Buildings 《Code of Practice for Fire Safety in Buildings 2011》 which came into effect from 1 April 2012.


One of the major changes is giving a more transparent and flexible approach to fire safety design through the provision of additional fire protection measures.For some years now,work has been undertaken to consolidate and formalize a series of uniform standards for use throughout Europe. Many of the ISO standards are currently undergoing revision to align them with European standards. In brief, the following is the current EN standards which have been formally issued and are now in all member states of the EU.Over time it is anticipated that EN will replace national standards in Europe such as BS,NBN,DIN etc. The new European Norm(EN1363-1366) will gradually replace British Standards,for example BS 476.



Proactive Fire Protection
PROACTIVE FIRE PROTECTION products and systems are tested by independently approved testing authorities under standard test conditions. The fire performance standard and terms most relevant to the materials and elements of construction described in this handbook are as follows.



European Fire Test Standards and Test Reference Codes on Materials:
BS EN ISO 1182 Non combustibility test
BS EN ISO 1716 Bomb Calorimeter:Calorific potential test
BS EN 13501-1:2007 Fire classification of construction products and building elements



European Fire Test Standards on Complete System:
BS EN 1364: Part 1 Non loadbearing walls
BS EN 1364: Part 2 Non loadbearing ceilings



Explanation of Failure Criteria Used in Fire Testing


Integrity
The ability of a specimen of a separating element to contain a fire to specified criteria for collapse, freedom from holes, cracks and sustained flaming on the unexposed face.
Insulation
The ability of a specimen of a separating element to restrict the temperature rise of the exposed face to below specified levels (140°mean rise,180°maximum rise).




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