BS EN 12101-3 PDF

Fire Protection has already embarked on this testing programme. Until this time, specifiers are experiencing a period of coexistence between the two standards, with a choice between systems built to the specifications of BS Part 24 or those being tested and manufactured to meet the new BS EN requirements. Each element is critical in ensuring that ductwork meets the required standards of safety when installed. The Product Construction Standard ensures that the manufacturer has ISO quality systems and that the fire-rated ductwork is constructed and installed as tested.

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English version Smoke and heat control systems - Part 3: Specification forpowered smoke and heat exhaust ventilators Systmes pour le contrle des fumes et de la chaleur -Partie 3: Spcifications pour les ventilateurs extracteurs de fumes et de chaleur Rauch- und Wrmefreihaltung - Teil 3: Bestimmungen frmaschinelle Rauch- und Wrmeabzugsgerte This European Standard was approved by CEN on 9 June Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.

A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.

This European Standard shall be given the status of a national standard, either by publication of anidentical text or by endorsement, at the latest by August , and conflicting national standards shallbe withdrawn at the latest by November For relationship with EU Directive s , see informative annex ZA, which is an integral part of thisstandard.

This European Standard is one of six parts of the European Standard prEN covering smoke andheat control systems. This European Standard has the general title Smoke and heat control systems and consists of thefollowing six parts: Part 1: Specification for smoke barriers Requirements and test methods Part 2: Specification for natural smoke and heat exhaust ventilators Part 3: Specification for powered smoke and heat exhaust ventilators Part 4: Natural smoke and heat exhaust ventilation systems Installation and test methods Part 5: Design and calculation for smoke and exhaust ventilation systems published as CR Part 6: Design and calculation methods and installation procedure for pressure differential smokecontrol systems prEN is included in a series of European Standards planned to cover also: - Gas extinguishing systems EN and ISO - Sprinkler systems EN - Powder systems EN - Explosion protection systems EN - Foam systems EN - Hose systems EN - Water spray systems The annexes A to E are normative.

They also exhaust hot gases released by a fire in the developing stage. The use of smoke and heat exhaust ventilation systems to create smoke free areas beneath abuoyant smoke layer has become widespread. Their value in assisting in the evacuation ofpeople from construction works, reducing fire damage and financial loss by preventing smokelogging, facilitating fire fighting, reducing roof temperatures and retarding the lateral spreadof fire is firmly established. For these benefits to be obtained it is essential that smoke andheat exhaust ventilators operate fully and reliably whenever called upon to do so during theirinstalled life.

A heat and smoke exhaust ventilation system is a scheme of safety equipmentintended to perform a positive role i Recommended.

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