Smoke and heat control systems - Part 8: Smoke control dampers

This European Standard applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This standard specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings. It also provides for the evaluation of conformity of these products to the requirements of this standard. Furthermore, provision on marking and information on installation and maintenance of these products are also given.
This European Standard distinguish between two categories of smoke control dampers, i.e. single compartment smoke control dampers and multi-compartment fire resisting smoke control dampers.
Smoke control dampers covered by this European Standard can be installed into smoke control system ducts or onto the ducts´ surface. They can be installed also into a wall, floor or ceiling/roof elements or onto the surface of these elements.
To avoid duplication, reference is made to a variety of other standards. To this end, this standard is to be read in conjunction with EN 13501-4, prEN 1366-10 and EN 1366-2, for details of the furnace testing.
This standard does not consider in detail the detrimental and/or corrosive effects that may be caused by process chemicals present in the atmosphere, which are drawn through the system intentionally or inadvertently.

Rauch- und Wärmefreihaltung - Teil 8: Entrauchungsklappen

Diese Europäische Norm gilt für Entrauchungsklappen, die in Verkehr gebracht werden, um als Bestandteil eines Differenzdrucksystems oder einer Rauch- und Wärmeabzugsanlage eingesetzt zu werden. Diese Norm legt Anforderungen fest und verweist auf die Prüfverfahren für Entrauchungsklappen und deren zugehörigen Bauteile, wie z. B. Stellantriebe, die für den Einbau in derartige Anlagen in Gebäuden vorgesehen sind. Sie enthält außerdem Angaben zur Bewertung der Übereinstimmung dieser Produkte mit den Anforderungen dieser Norm sowie Hinweise zur Kennzeichnung sowie Informationen zur Installation und Wartung dieser Produkte. Diese Europäische Norm unterscheidet zwischen zwei Kategorien von Entrauchungsklappen, d. h. Entrau-chungsklappen für Einzelabschnitte und feuerwiderstandsfähige Entrauchungsklappen für Mehrfachabschnit-te. Die in dieser Europäischen Norm behandelten Entrauchungsklappen können in Entrauchungsleitungen eingebaut werden oder auf deren Oberfläche montiert werden. Sie können außerdem in Wand-, Boden- oder Decken-/Dachelemente eingebaut oder auf der Oberfläche dieser Elemente installiert werden. Um Doppelungen zu vermeiden, wird auf eine Reihe anderer Normen verwiesen. Dazu ist diese Norm in Verbindung mit EN 13501-4, EN 1366-10 und EN 1366-2 für Einzelheiten zur Brandprüfung anzuwenden. Diese Norm berücksichtigt die nachteiligen Auswirkungen und/oder korrosiven Wirkungen nicht in allen Ein-zelheiten, die aufgrund der in der Atmosphäre enthaltenen Prozesschemikalien hervorgerufen werden kön-nen, die entweder absichtlich oder versehentlich durch die Anlage gesaugt werden können.

Systèmes pour le contrôle des fumées et de la chaleur - Partie 8: Volets de désenfumage

La présente Norme européenne s'applique aux volets de désenfumage, mis sur le marché et destinés à faire
partie d'un système à différentiel de pression ou d'un système de contrôle des fumées et de la chaleur. La
présente norme prescrit les exigences et les méthodes d'essai relatives aux volets de désenfumage et à leurs
composants associés, tels que les mécanismes de commande, qui sont destinés à être installés dans de tels
systèmes dans des bâtiments. Elle traite également de l'évaluation de la conformité de ces produits aux
exigences de la présente norme. En outre, les dispositions relatives au marquage et les informations relatives
à l'installation et à la maintenance de ces produits sont également fournies.
La présente Norme européenne fait la distinction entre deux catégories de volets de désenfumage, à savoir
les volets de désenfumage pour conduits mono-compartiments et les volets de désenfumage résistants au feu
pour conduits multi-compartiments.
Les volets de désenfumage couverts par la présente Norme européenne peuvent être installés dans les
conduits de désenfumage ou à la surface de ces conduits. Ils peuvent également être installés dans un mur,
un plancher ou des éléments de plafond/toiture ou à la surface de ces éléments.
Pour éviter toute répétition, il est fait référence à un certain nombre d'autres normes. La présente norme doit
donc être lue conjointement avec l'EN 13501-4, l’EN 1366-10 et l'EN 1366-2 pour tous détails concernant les
essais de résistance au feu.
La présente norme ne traite pas dans le détail des effets négatifs et/ou corrosifs susceptibles d'être liés à des
produits chimiques présents dans l'atmosphère et pénétrant dans le système, que ce soit par accident ou par
une action volontaire.

Sistemi za nadzor dima in toplote - 8. del: Dimoodvodne lopute

Ta evropski standard velja za dimovodne lopute, dane v promet in namenjene delovanju kot del sistema diferencialnega tlaka ali sistema za nadzor dima in vročine. Ta standard določa zahteve in podaja reference za preskusne metode, določene za dimovodne lopute in z njimi povezane komponente, kot so stikala za vgradnjo v take sisteme v zgradbah. Prav tako zagotavlja ocenjevanje skladnosti teh proizvodov z zahtevami tega standarda. Poleg tega podaja tudi določbo o označevanju in informacije o vgradnji in vzdrževanju teh proizvodov. Ta evropski standard razlikuje med dvema kategorijama dimovodnih loput, tj. enopredelne dimovodne lopute in večpredelne dimovodne lopute. Dimovodne lopute, zajete s tem evropskim standardom, so lahko vgrajene v kanale sistema za nadzor dima ali na površino kanalov. Lahko so vgrajene v zidne, talne ali stropne/strešne elemente ali na površino teh elementov. Da ne bi prihajalo do podvajanja, je naveden sklic na različne druge standarde. Zato je treba za podrobnosti preskusa v peči ta standard brati skupaj z EN 13501-4, prEN 1366-10 in EN 1366-2.

General Information

Status
Published
Publication Date
03-May-2011
Current Stage
9093 - Decision to confirm - Review Enquiry
Due Date
15-Dec-2016
Completion Date
09-Jul-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sistemi za nadzor dima in toplote - 8. del:

Dimoodvodne loputeRauch- und Wärmefreihaltung - Teil 8: EntrauchungsklappenSystèmes pour le contrôle des fumées et de la chaleur - Partie 8: Volets des désenfumageSmoke and heat control systems - Part 8: Smoke control dampers91.140.30VLVWHPLVentilation and air-conditioning13.220.20Fire protectionICS:Ta slovenski standard je istoveten z:EN 12101-8:2011SIST EN 12101-8:2011en,fr,de01-oktober-2011SIST EN 12101-8:2011SLOVENSKI

STANDARDOSIST prEN 12101-8:20041DGRPHãþD
SIST EN 12101-8:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12101-8
May 2011 ICS
English Version
Smoke and heat control systems - Part 8: Smoke control dampers

Systèmes pour le contrôle des fumées et de la chaleur - Partie 8: Volets de désenfumage

Rauch- und Wärmefreihaltung - Teil 8: Entrauchungsklappen This European Standard was approved by CEN on 17 March 2011.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,

B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12101-8:2011: ESIST EN 12101-8:2011

EN 12101-8:2011 (E) 2 Contents Page Foreword ..............................................................................................................................................................4Introduction .........................................................................................................................................................51 Scope ......................................................................................................................................................82 Normative references ............................................................................................................................83 Terms and definitions ...........................................................................................................................94 Smoke control damper requirements ............................................................................................... 124.1 General ................................................................................................................................................. 124.1.1 Fire resistance ..................................................................................................................................... 124.1.2 General application............................................................................................................................. 124.2 Construction and components: characteristics .............................................................................. 124.2.1 Construction and operation ............................................................................................................... 124.2.2 Protection against corrosion ............................................................................................................. 144.3 Fire resistance performance criteria: Single compartment smoke control dampers .................. 144.3.1 Integrity, leakage, HOT400/30 ............................................................................................................ 144.3.2 Durability ............................................................................................................................................. 144.3.3 Fire resistance classification and designation ................................................................................ 154.3.4 Other performance criteria ................................................................................................................ 154.4 Fire resistance performance criteria: Multi compartment fire resisting smoke control dampers ............................................................................................................................................... 164.4.1 Integrity, insulation, leakage, HOT 400/30 ........................................................................................ 164.4.2 Durability ............................................................................................................................................. 164.4.3 Fire resistance classification and designation ................................................................................ 174.4.4 Other performance criteria ................................................................................................................ 175 Test methods ....................................................................................................................................... 175.1 Ambient Leakage Tests ...................................................................................................................... 175.2 Fire resistance tests ........................................................................................................................... 185.2.1 General ................................................................................................................................................. 185.2.2 Smoke control damper: integrity and insulation ............................................................................. 195.2.3 Leakage rated smoke control damper .............................................................................................. 195.2.4 Response delay of a smoke control damper ................................................................................... 195.3 Salt Spray Exposure Test .................................................................................................................. 205.4 Cycling Tests ....................................................................................................................................... 205.4.1 Damper durability cycling .................................................................................................................. 205.5 Damper Aerodynamic Performance.................................................................................................. 206 Evaluation of conformity .................................................................................................................... 216.1 General ................................................................................................................................................. 216.2 Initial type testing ............................................................................................................................... 216.2.1 General ................................................................................................................................................. 216.2.2 Modifications ....................................................................................................................................... 216.2.3 Previous tests and product families ................................................................................................. 216.2.4 Test samples ....................................................................................................................................... 226.2.5 Test report ........................................................................................................................................... 226.3 Factory product control (FPC) ........................................................................................................... 226.3.1 General ................................................................................................................................................. 226.3.2 General requirements ......................................................................................................................... 236.3.3 FPC specific requirements ................................................................................................................ 236.3.4 Initial inspection of factory and FPC ................................................................................................ 256.3.5 Continuous surveillance of FPC ....................................................................................................... 25SIST EN 12101-8:2011

EN 12101-8:2011 (E) 3 6.3.6 Procedure for modifications............................................................................................................... 256.4 One-off smoke control dampers, pre-production smoke control dampers (e.g. prototypes) and smoke control dampers produced in very low quantities ....................................................... 267 Marking and documentation............................................................................................................... 268 Product, installation and maintenance information (documentation) ........................................... 278.1 Product specification .......................................................................................................................... 278.2 Installation information ....................................................................................................................... 278.3 Maintenance information .................................................................................................................... 27Annex A (normative)

Salt spray exposure test .............................................................................................. 28A.1 General ................................................................................................................................................. 28A.2 Revised parameters ............................................................................................................................ 28Annex B (informative)

Example of inspection and maintenance procedure .............................................. 29Annex C (normative)

Factory production control – test plan ....................................................................... 30Annex ZA (informative)

Clauses of this European Standard addressing the provisions of the EU Construction Products Directive ....................................................................................................... 31ZA.1 Scope and relevant characteristics ................................................................................................... 31ZA.2 Procedure for the attestation of conformity of smoke control dampers ....................................... 34ZA.2.1 System of attestation of conformity ................................................................................................... 34ZA.2.2 EC certificate of conformity and EC declaration of conformity ...................................................... 35ZA.3 CE marking and labelling.................................................................................................................... 35Bibliography ...................................................................................................................................................... 38 SIST EN 12101-8:2011

EN 12101-8:2011 (E) 4 Foreword This document (EN 12101-8:2011) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2011, and conflicting national standards shall be withdrawn at the latest by November 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This European Standard has the general title "Smoke and heat control systems" and consists of the following separate parts:  Part 1: Specification for smoke barriers,  Part 2: Specification for natural smoke and heat exhaust ventilators,  Part 3: Specification for powered smoke and heat exhaust ventilators,  Part 4: Installed SHEVS systems for smoke and heat ventilation (Technical Report (TR)),  Part 5: Guidelines on functional recommendations and calculation methods for smoke and heat exhaust ventilation systems (TR),  Part 6: Specification for pressure differential systems – Kits,  Part 7: Smoke duct sections,  Part 8: Smoke control dampers (this standard),  Part 9: Control panels,  Part 10: Power supplies. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.

SIST EN 12101-8:2011

EN 12101-8:2011 (E) 5 Introduction This European Standard contains the basic performance and requirements for smoke control dampers that are to be used in conjunction with pressure differential systems and smoke and heat control systems. They can also be used to pressurise when gas extinguishing systems are used. Particular reference is required to EN 1366-10, which defines the furnace testing associated with these products and EN 13501-4, which provides details on their fire resistance classification. In addition to the prevention of transmission of smoke and combustion products from a fire zone, smoke control dampers are utilised to contain the spillage of otherwise harmful and toxic extinguishing gases from the affected area, and for the control of pressurising and excess air relief within pressurisation systems. Smoke control systems are designed to fulfil the following basic functions. These are: a) the extraction of smoke from a single fire compartment to the outside of the building, b) the extraction of smoke from fire compartments of a building, using a SHEVS connected to one or more fire compartments. The smoke control system duct may or may not pass through other compartments of the building to reach the outside of the building, c) the use of pressurisation to maintain smoke free clear areas. Smoke control dampers are commonly used in smoke and heat control systems as a means of limiting the number of ducts and high temperature fan units. The ducts into which such smoke control dampers are fitted generally serve a number of different fire compartments. The systems may be dedicated smoke extraction or possibly a combined environmental ventilation/smoke extraction. The smoke and heat control system may remove smoke using either high temperature fans (in accordance with EN 12101-3) or natural ventilators (in accordance with EN 12101-2). It may be necessary for a number of reasons (fire growth, smoke release, etc.) that the open smoke control damper(s) is (are) required to close and that the damper(s) previously closed is(are) required to open. The tests defined in this standard are based on the assumption that when smoke is detected within a building, all smoke control dampers other than those serving the fire compartment/smoke reservoir (where the fire has initiated) remain closed or move to the closed position. All smoke control dampers serving the smoke affected fire compartment/smoke reservoir remain open or move to the open position, and the fan(s) started/natural vents opened. NOTE Figure 1 gives examples of installation positions, but these are not the only positions where dampers may be fitted. SIST EN 12101-8:2011

EN 12101-8:2011 (E) 6 1221212101221212468885597612101091011444444 Key 1 Fire compartment 2 Smoke reservoir 4 Air inlet 5 Smoke barrier 6 Powered smoke and heat exhaust ventilator (fan) 7 Smoke control dampers for single compartments (FprEN 12101-8 and EN 1366-10) 8 Smoke control ducts for single compartments (FprEN 12101-7 and EN 1366-9) 9 Smoke control ducts for multi compartments (FprEN 12101-7 and EN 1366-8) 10 Smoke control dampers for multi compartments (FprEN 12101-8 and EN 1366-10) mounted inside or outside of wall or floor 11 Smoke control dampers for multi compartments (FprEN 12101-8 and EN 1366-10) mounted on the surface of the duct 12 Electrical equipment Figure 1 – Example of powered smoke and heat exhaust ventilation

Further guidance on the application of smoke control dampers may be found within the rest of the EN 12101 series of harmonised standards and technical reports. The areas for which products supplied to this standard are considered applicable include for example: a) commercial premises, b) shopping and retail centres, c) hospitals, d) multi-residential buildings. Smoke control dampers are intended for use in the following types of systems, including: 1) pressurisation, SIST EN 12101-8:2011

EN 12101-8:2011 (E) 7 2) pressure relief, 3) extraction systems, 4) ductwork systems, 5) inerting fire suppression systems. It is realised that all the above systems do not address smoke directly, but similar properties are required of such smoke control dampers to limit leakage in a fire and smoke control situation. SIST EN 12101-8:2011

EN 12101-8:2011 (E) 8 1 Scope This European Standard applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This standard specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings. It also provides for the evaluation of conformity of these products to the requirements of this standard. Furthermore, provision on marking and information on installation and maintenance of these products are also given. This European Standard distinguish between two categories of smoke control dampers, i.e. single compartment smoke control dampers and multi-compartment fire resisting smoke control dampers. Smoke control dampers covered by this European Standard can be installed into smoke control system ducts or onto the ducts´ surface. They can be installed also into a wall, floor or ceiling/roof elements or onto the surface of these elements. To avoid duplication, reference is made to a variety of other standards. To this end, this standard is to be read in conjunction with EN 13501-4, EN 1366-10 and EN 1366-2, for details of the furnace testing. This standard does not consider in detail the detrimental and/or corrosive effects that may be caused by process chemicals present in the atmosphere, which are drawn through the system intentionally or inadvertently. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1366-2, Fire resistance tests for service installations – Part 2: Fire dampers EN 1366-10, Fire resistance tests for service installations – Part 10: Smoke control dampers EN 1751, Ventilation for buildings – Air terminal devices – Aerodynamic testing of dampers and valves prEN 12101-9, Smoke and heat control systems - Part 9: Control panels EN 12101-10, Smoke and heat control systems - Part 10: Power supplies EN 13501-4, Fire classification of construction products and building elements – Part 4: Classification using data from fire resistance tests on components of smoke control systems EN 60068-2-52:1996, Environmental testing – Part 2-52: Test methods, Test Kb: Salt mist cyclic (sodium chloride solution) (IEC 60068-2-52:1996) EN ISO 5135, Acoustics – Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room (ISO 5135:1997) EN ISO 13943, Fire safety – Vocabulary (ISO 13943:2008) SIST EN 12101-8:2011

EN 12101-8:2011 (E) 9 3 Terms and definitions For the purposes of this document, the definitions given in EN ISO 13943, together with the following, apply. 3.1 air inlet device connected to outside air to allow the inlet of air from outside the building 3.2 attended control room room with people, who have the duty to control the smoke exhaust system permanently (24 hours per day, seven days per week), monitor the incoming signals from the smoke control systems and put the smoke control system into operation in case of smoke alarm NOTE This ensures that the smoke control system is running and items such as dampers are in position within the system response time. 3.3 elevated temperature temperatures in excess of normal ambient air, below those necessary for fire resistance testing, to which smoke and heat exhaust ducts for single compartments are tested, to gain classification 3.4 fire compartment enclosed space, comprising one or more separate spaces, bounded by elements of construction having a specified fire resistance and intended to prevent the spread of fire (in either direction) for a given period of time 3.5 interface control unit device which controls the operation of the actuator located at the damper or within the same fire zone as the damper 3.6 multi compartment smoke control dampers smoke control dampers, which are fire resisting, for use in multi compartment areas, which may be associated with multi or single compartment smoke control ductwork and/or may be installed in a fire compartment structure 3.7 multi compartment fire resisting smoke control ducts fire resisting smoke control ducts, built from more than one smoke control duct section, for use in multi compartment applications designed to transport smoke and/or hot gases away from the source of a fire [EN 12101-7]

NOTE May also have a dual function as a normal air conditioning duct. 3.8 natural smoke and heat control system smoke and heat ventilation system which uses natural ventilation NOTE Natural ventilation is caused by buoyancy forces due to differences in density of the gases because of temperature differences. SIST EN 12101-8:2011

EN 12101-8:2011 (E) 10 3.9 penetration seal product tested for use between the smoke control duct/damper and the fire compartment structure to maintain the fire resistance, at the position where a smoke control system duct passes through the element, or a damper is mounted in the element 3.10 powered smoke and heat exhaust system smoke and heat ventilation system, which utilises a number of hot gas fans that are suitable for handling hot gases for a limited period of time, which causes the positive displacement of gases 3.11 pressure differential system system of fans, ducts, vents and other features provided for the purposes of creating a lower pressure in the fire zone than in the protected space

3.12 remote signalling device located away from the damper which will indicate the damper position, open or closed 3.13 safety position position (open or closed) into which specific projects may require certain dampers to move, depending upon the fire location within the building 3.14 single compartment smoke control dampers smoke control dampers for use in single compartment areas, which may be associated with single compartment smoke control ductwork and/or may be installed in an external wall or roof 3.15 single compartment smoke control ducts smoke control ducts, built from more than one smoke control duct section, for use within single fire compartment application designed to transport smoke and/or hot gases away from the source of a fire [EN 12101-7] NOTE May also have a dual function as a normal air conditioning duct. 3.16 smoke and heat exhaust ventilation system (SHEVS) system consisting of products and/or components jointly selected to exhaust smoke and heat NOTE The products and/or components form a system in order to establish a buoyant layer of warm gases above cooler cleaner air. 3.17 smoke and heat exhaust ventilator (SHEV) device specially designed to move smoke and hot gases out of a construction works under conditions of fire 3.18 smoke barrier barrier to restrict the spread of smoke and hot gases from a fire, forming part of the boundary of a smoke reservoir or used as a channelling screen, or used as a void edge boundary 3.19 smoke control damper for systems with automatic activation smoke control damper that is applicable to the systems defined in 3.26 SIST EN 12101-8:2011

EN 12101-8:2011 (E) 11 3.20 smoke control damper for systems with manual intervention smoke control damper that is applicable to the systems defined in 3.27 and 3.28 3.21 smoke control damper device automatically or manually activated, which may be open or closed in its operational position, to control the flow of smoke and hot gases into, from or within a duct 3.22 smoke control damper – horizontal installation smoke control damper fitted in-line across a vertical duct, or on the top and bottom surface of a horizontal duct 3.23 smoke control damper – vertical installation smoke control damper fitted in-line across a horizontal duct, or on the sides of a horizontal duct, or on any surface of a vertical duct 3.24 smoke control duct - section element of smoke control duct constructed to form part of a smoke control system [EN 12101-7] 3.25 smoke control system with automatic activation smoke control system (smoke and heat exhaust ventilation type or pressure differential type), that operates automatically on receipt of a smoke or fire alarm without any manual action/intervention NOTE A system with an attended control room can also be accepted as an automatic system. Once initiated, the system will not cause the damper position to be changed. 3.26 smoke control system with automatic activation and with manual override smoke control system (smoke and heat exhaust ventilation type or pressure differential type), that can be put into operation as 3.26 on receipt of a smoke or fire alarm, but once initiated the system will allow the damper position to be changed by external input or fireman’s override 3.27 smoke control system with manual initiation smoke control system (smoke and heat exhaust ventilation type or pressurization type), that has to be put into operation, on detection of smoke or fire, by human intervention (e.g. by pressing a button, or pulling a handle), leading to a sequence of automatic actions in the operation of the smoke control system NOTE Once initiated, the system may allow the damper position to be changed by external input or fireman’s override. 3.28 smoke free clear area volume of air which is unpolluted by smoke 3.29 smoke layer layer of smoke that stabilises underneath the roof due to the affect of temperature gradient 3.30 smoke reservoir region within a building limited or bordered by smoke barriers or structural elements and which will, in the event of a fire, retain a thermally buoyant smoke layer SIST EN 12101-8:2011

EN 12101-8:2011 (E) 12 3.31 system response time time from the initiation of the smoke control system to it being fully operational 3.32 triggering device device such as a fire detector system, smoke detector or pushbutton, which sends an activating signal to the initiation device(s) 4 Smoke control damper requirements 4.1 General 4.1.1 Fire resistance The smoke control damper shall demonstrate the following and shall be classified in accordance with EN 13501-4: a) integrity: this shall be tested in accordance with test method in 5.2 and the integrity classification (E) declared; b) insulation: this shall be tested in accordance with test method in 5.2 and the insulation classification (I) declared; c) leakage: this shall be tested in accordance with test method in 5.2 and the leakage classification (S) declared; d) mechanical stability: this shall be tested in accordance with test method in 5.2 and forms part of the integrity classification (E) declared; e) maintenance of cross section: this shall be tested in accordance with test method in 5.2 and forms part of the integrity classification (E) declared; f) high operational temperature: this shall be tested in accordance with test method in 5.2 and the classification

(HOT400/30) declared. 4.1.2 General application Where the manufacturer intends to provide information regarding aerodynamic characteristics, this shall be done according to EN 1751 – see 5.5. 4.2 Con

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