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Brandventilation Del 4: Brandventilationsinstallationer SHEVS - PDF
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1 DS-information DS/CEN/TR udgave Brandventilation Del 4: Brandventilationsinstallationer SHEVS Smoke and heat control systems Part 4: Installed SHEVS systems for smoke and heat ventilation
2 DS/CEN/TR København DS projekt: M ICS: Første del af denne publikations betegnelse er: DS/CEN/TR, hvilket betyder, at det er en europæisk teknisk rapport, der har status som DS-information. Denne publikations overensstemmelse er: IDT med: CEN TR :2009. DS-publikationen er på engelsk. Denne publikation erstatter: DS/CEN/TR :2007. DS-publikationstyper Dansk Standard udgiver forskellige publikationstyper. Typen på denne publikation fremgår af forsiden. Der kan være tale om: Dansk standard standard, der er udarbejdet på nationalt niveau, eller som er baseret på et andet lands nationale standard, eller standard, der er udarbejdet på internationalt og/eller europæisk niveau, og som har fået status som dansk standard DS-information publikation, der er udarbejdet på nationalt niveau, og som ikke har opnået status som standard, eller publikation, der er udarbejdet på internationalt og/eller europæisk niveau, og som ikke har fået status som standard, fx en teknisk rapport, eller europæisk præstandard DS-håndbog samling af standarder, eventuelt suppleret med informativt materiale DS-hæfte publikation med informativt materiale Til disse publikationstyper kan endvidere udgives tillæg og rettelsesblade DS-publikationsform Publikationstyperne udgives i forskellig form som henholdsvis fuldtekstpublikation (publikationen er trykt i sin helhed) godkendelsesblad (publikationen leveres i kopi med et trykt DS-omslag) elektronisk (publikationen leveres på et elektronisk medie) DS-betegnelse Alle DS-publikationers betegnelse begynder med DS efterfulgt af et eller flere præfikser og et nr., fx DS 383, DS/EN 5414 osv. Hvis der efter nr. er angivet et A eller Cor, betyder det, enten at det er et tillæg eller et rettelsesblad til hovedstandarden, eller at det er indført i hovedstandarden. DS-betegnelse angives på forsiden. Overensstemmelse med anden publikation: Overensstemmelse kan enten være IDT, EQV, NEQ eller MOD IDT: Når publikationen er identisk med en given publikation. EQV: Når publikationen teknisk er i overensstemmelse med en given publikation, men præsentationen er ændret. NEQ: Når publikationen teknisk eller præsentationsmæssigt ikke er i overensstemmelse med en given standard, men udarbejdet på baggrund af denne. MOD: Når publikationen er modificeret i forhold til en given publikation.
3 TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR January 2009 ICS English Version Smoke and heat control systems - Part 4: Installed SHEVS systems for smoke and heat ventilation Systèmes pour le contrôle des fumées et de la chaleur - Partie 4 : Systèmes SEFCV installés pour l'évacuation de fumées et de chaleur par ventilation Rauch- und Wärmefreihaltung - Teil 4: Anlagen zur Rauchund Wärmefreihaltung im eingebauten Zustand This Technical Report was approved by CEN on 9 September It has been drawn up by the Technical Committee CEN/TC 191. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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: rue de Stassart, 36 B-1050 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR :2009: E
4 Contents Page Foreword...5 Introduction Scope Normative references Terms and definitions Description of the principles of operation for smoke and heat control sytems Smoke and heat control systems which rely on the principle of the creation of a smoke layer Smoke layers exhausted by natural vents Layers of smoke exhausted by powered vents Smoke free areas by differential pressure systems Air renewal of the room with fresh air by dilution of smoke Description of the combination of products for construction of SHEVS General General requirements Requirements for smoke layer systems with natural ventilators Requirements for smoke layer systems with powered ventilators Requirements for power supplies for powered smoke and heat exhaust ventilation systems Requirements for powered smoke and heat exhaust systems Requirements for smoke free area systems by differential pressure Requirements for smoke control by air renewal of the room with fresh air by dilution of smoke Air Inlet General requirements Fire behaviour requirements Performance parameters under fire conditions Reaction to fire Resistance to fire Geometric areas for natural air inlets Tubes, cables and accessories General requirements Fire behaviour requirements Performance parameters under fire conditions Reaction to fire of cables and tubes Resistance to fire of cables and tubes Requirements for electrical supplies Isolators and switches on power lines Enclosures for electrical components Extra low voltage operated components Sizing of electrical cables and related equipment Requirements for pneumatic supplies Requirements for pneumatic supplies using compressors Requirements for pneumatic lines Mechanical cables Requirements for installation General requirements for installation
5 8.2 Requirements for installation of a SHEVS Requirements for installation of power supplies Requirements for installation of controls Access to components Requirements for installation of powered SHEVS Requirements for installation of air inlets General requirements for installation of smoke barriers Fastenings and adjacent surfaces Maximum gaps Response time Functional test Handing-over and commissioning Requirements for commissioning of the system Requirements for acceptance report of the system Technical information report Specific requirements for powered smoke ventilation systems Routine checking Maintenance General Scope of maintenance Functional test Maintenance operations Availability Annex A (normative) Pneumatic system leakage testing Annex B (normative) Air flow measurements B.1 Air flow requirements in powered ventilation systems B.2 Measurement of air flow for ducted systems B.2.1 Selection of measurement method B.2.2 Selection of cross section B.2.3 Measurement of air flow Annex C (informative) Drawings of example systems Annex D (informative) Detailed engineering plan D.1 Detailed engineering plan for smoke flow and pressure control within the premises D.1.1 General D.1.2 Requirements for SHEVS intended to form a smoke layer D.1.3 Requirements for natural smoke and heat exhaust ventilation systems D.1.4 Requirements for powered smoke exhaust systems D.1.5 Functioning and requirements for differential pressure systems D.1.6 Requirements for differential pressure systems D.2 Requirements for assembly, commissioning, inspection, testing and maintenance of natural smoke exhaust systems Annex E (informative) Requirements specific to powered smoke exhaust systems (powered fans, dampers, ducts etc) Mounting and testing E.1 Requirements for mounting and commissioning E.1.1 General E.1.2 Mounting of powered smoke and heat exhaust systems E.1.3 Mounting of the operating devices E.1.4 Mounting of control devices and circuits E.1.5 Mounting of components of powered smoke exhaust systems E.2 Requirements for acceptance and testing E.2.1 General E.2.2 Acceptance and testing of powered smoke and heat exhaust system E.3 Requirements for routine checking E.4 Requirements for maintenance E.4.1 General
6 E.4.2 Scope of maintenance E.4.3 Functional test E.4.4 Maintenance operations E.4.5 Availability Bibliography
7 Foreword This document (CEN/TR :2009) has been prepared by Technical Committee CEN/TC 191 Fixed firefighting systems, the secretariat of which is held by BSI. This European document (Technical Report) has the general title "Smoke and heat control systems" and consists of the following separate parts: Part 1: Specifications 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 Part 5: Guidelines on functional recommendations and calculation methods for smoke and heat exhaust ventilation systems (published as CEN/TR ) Part 6: Specification for pressure differential systems - Kits Part 7: Smoke control ducts Part 8: Smoke control dampers Part 9: Control panels Part 10: Power supplies 5
8 Introduction Smoke and heat exhaust ventilation systems (SHEVS) create a smoke free layer above the floor by removing smoke and thus improve the conditions for the safe escape and/or rescue of people and animals. It contributes to the protection of property and permits the fire to be fought while still in its early stages. 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 a buoyant smoke layer has become widespread. Their value in assisting in the evacuation of people from construction works, reducing fire damage and financial loss by preventing smoke logging, facilitating fire fighting, reducing roof temperatures and retarding the lateral spread of fire is firmly established. For these benefits to be obtained it is essential that smoke and heat exhaust ventilators operate fully and reliably whenever called upon to do so during their installed life. A heat and smoke exhaust ventilation system is a scheme of safety equipment intended to perform a positive role in a fire emergency. Components for smoke and heat exhaust ventilation systems should be installed as part of a properly designed smoke and heat exhaust ventilation system. Smoke and heat exhaust ventilation systems help to: keep the escape and access routes free from smoke; facilitate fire fighting operations by creating a smoke free layer; delay and/or prevent flashover and thus full development of the fire; protect equipment and furnishings; reduce thermal effects on structural components during a fire; reduce damages caused by thermal decomposition products and hot gases. A powered smoke exhaust system can also be used for the realisation of the following purposes: creation of a negative pressure differential facing the direction of escape for the prevention of the spread of smoke; local dilution of smoke within occupied zones. Natural smoke and heat exhaust ventilators are devices fitted into the roof and/or upper walls of a construction works to allow smoke and fire gases to be exhausted from the construction works when driven by thermal buoyancy inherent in those gases. It is essential that they are able to open, and/or to remain open in the event of a fire and to fulfil their function even when climatic and weather conditions are unfavourable. Depending on the building geometry and siting of the building with regard to neighbouring buildings, and design criteria, natural smoke and heat exhaust ventilators can be used instead of powered smoke and heat ventilators. This Technical Report sets down the testing requirements for the system when installed to ensure that it operates in a safe and reliable manner. Commissioning, periodic maintenance and servicing requirements are stated as well as the users responsibilities for ensuring that the system is always for use in case of fire. Components of the SHEVS should be designed or chosen to meet the specific performance requirement of the system. Without proper installation of all of its components, the SHEVS could not operate correctly nor meet the performance targets for which it has been designed. Commissioning is necessary to check the SHEVS operates in accordance with its design. The system has to be permanently available for operation. This can only be achieved when checked and maintained. 6
9 1 Scope This Technical Report applies to SHEVS when installed in a building. This Technical Report specifies the ability of the system to meet the required performances of the SHEVS as specified by the design of the system. This Technical Report is to help to translate the detailed engineering plan into an installed system, but it does not state how the design is made. This Technical Report also covers requirements for components and compatibility between components to ensure that the requirements on the installed system will be met. This Technical report includes requirements for the assembly, installation, commissioning, function testing, maintenance, periodic servicing and routine testing of SHEVS. 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 , Fire resistance tests for service installations Part 8: Smoke extraction ducts EN , Fire resistance tests for service installations Part 9: Single compartment smoke extraction ducts pren , Fire resistance tests for service installations Part 10: Smoke control dampers EN , Smoke and heat control systems Part 1: Specification for smoke barriers EN , Smoke and heat control systems Part 2: Specification for natural smoke and heat exhaust ventilators EN , Smoke and heat control systems Part 3: Specification for powered smoke and heat exhaust ventilators EN Smoke and heat control systems Part 6: Specification for pressure differential systems Kits pren , Smoke and heat control systems Part 9: Control panels EN , Smoke and heat control systems Part 10: Power supplies EN , Fire classification of construction products and building elements Part 1: Classification using test data from reaction to fire tests EN , Fire classification of construction products and building elements Part 2: Classification using data from fire resistance tests, excluding ventilation services EN , Fire classification of construction products and building elements Part 3: Classification using data from fire resistance tests on products and elements used in building service installations: fire resisting ducts and fire dampers EN , Fire classification of construction products and building elements Part 4: Classification using data from fire resistance tests on components of smoke control systems EN 60529, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) EN ISO , Measurement of fluid flow by means of pressure differential devices inserted in circular crosssection conduits running full Part 1: General principles and requirements (ISO :2003) ISO 2408, Steel wire ropes for general purposes Minimum requirements 7
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Dansk standard DS/EN 61310-3 2. udgave 2008-02-28 COPYRIGHT Danish Standards. NOT FOR COMMERCIAL USE OR REPRODUCTION Maskinsikkerhed Visning, mærkning og betjening Del 3: Krav til aktuatorers placering