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1、BRITISH STANDARD BS EN 1873:2005 Prefabricated accessories for roofing Individual roof lights of plastics Product specification and test methods The European Standard EN 1873:2005 has the status of a British Standard ICS 91.060.20 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT
2、+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 1873:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 25 January 2006 BSI 25 January 2006 ISBN 0 580 47732 0 National foreword This British Standard is the official English language version of
3、 EN 1873:2005. The UK participation in its preparation was entrusted by Technical Committee B/542, Roofing and cladding products for discontinuous laying, to Subcommittee B/542/8, Light transmitting plastics sheeting for roofing and cladding, which has the responsibility to: A list of organizations
4、represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondenc
5、e Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itsel
6、f confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promul
7、gate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 47 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateCom
8、ments Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1873 December 2005 ICS 91.060.20 English Version Prefabricated accessories for roofing - Individual roof lights of plastics - Product
9、specification and test methods Accessoires prfabriqus pour couverture - Lanterneaux ponctuels en matire plastique - Spcifications des produits et mthodes dessais Vorgefertigte Zubehrteile fr Dacheindeckungen - Lichtkuppeln aus Kunststoff - Produktfestlegungen und Prfverfahren This European Standard
10、was approved by CEN on 4 September 2005. 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 suc
11、h national standards may be obtained on application to the Central Secretariat 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
12、and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
13、 Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of exploitation in
14、 any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1873:2005: E Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 2 Contents Page Foreword 4 1 Scope.5 2 Normative references .8 3 Terms and defi
15、nitions.9 4 Symbols and abbreviations10 5 Requirements11 5.1 Degree of total luminous transmittance ( D65).11 5.2 Durability .11 5.2.1 General 11 5.2.2 Variation of total luminous transmittance D65 and yellowness index YI ( YI) .11 5.2.3 Variation of mechanical properties with ageing.12 5.3 Water ti
16、ghtness.13 5.3.1 Roof lights with upstand 13 5.3.2 Roof lights without upstand.13 5.4 Mechanical performances13 5.4.1 Resistance to upward loads.13 5.4.2 Resistance to downward loads14 5.4.3 Impact load14 5.5 Reaction to fire15 5.6 Resistance to fire15 5.7 External fire performance.15 5.8 Air permea
17、bility.16 5.8.1 Roof lights with upstand 16 5.8.2 Roof lights without upstand.16 5.9 Thermal resistance .16 5.9.1 Roof lights with upstands 16 5.9.2 Roof light components.16 5.10 Airborne sound insulation17 6 Testing.17 6.1 Light transmission17 6.2 Durability .17 6.2.1 Conditions for accelerated age
18、ing.17 6.2.2 Variation of light transmittance .18 6.2.3 Variation in yellowness index 18 6.2.4 Variation of mechanical properties with ageing.19 6.3 Watertightness19 6.3.1 Principle.19 6.3.2 Procedure19 6.3.3 Apparatus19 6.4 Mechanical performances21 6.4.1 Resistance to upward and downward loads.21
19、6.4.2 Impact load21 6.5 Number and dimensions of test specimens .23 6.6 Test report.23 7 Evaluation of conformity24 7.1 General 24 7.2 Initial type testing24 7.3 Factory production control (FPC)24 7.3.1 General 24 7.3.2 Equipment .24 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GM
20、T+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 3 7.3.3 Raw materials and components 25 7.3.4 Design process.25 7.3.5 Product testing and evaluation25 8 Designation .26 9 Marking.26 Annex A (informative) Guidelines for safety, application, use and maintenance27 A.1 General27 A.2 Guidelines
21、 for safety.27 A.3 Guidelines for application and use27 A.4 Maintenance28 Annex B (normative) Alternative test method for the determination of light transmission29 B.1 General.29 B.2 Apparatus29 B.3 Test pieces.29 B.4 Procedure30 B.5 Expression of results30 Annex C (informative) Information regardin
22、g luminous transmittance31 C.1 General 31 C.2 Material characteristics31 C.3 Transmission.32 C.4 Reflectance factor.32 C.5 Absorptance32 C.6 Solar gain 33 C.6.1 General information33 C.6.2 Illuminance33 C.6.3 Solar factor33 Annex ZA (informative) Clauses of this European Standard addressing the prov
23、isions of the EU Construction Products Directive .35 ZA.1 Scope and relevant characteristics.35 ZA.2 Procedure(s) for attestation of conformity of roof lights.37 ZA.2.1 Systems of attestation of conformity37 ZA.2.2 EC Certificate and Declaration of conformity.41 ZA.3 CE marking and labelling .43 Bib
24、liography.47 Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 4 Foreword This European Standard (EN 1873:2005) has been prepared by Technical Committee CEN/TC 128 “Roof covering products for discontinuous laying and products
25、for wall cladding”, the secretariat of which is held by IBN/BIN. 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 June 2006, and conflicting national standards shall be withdrawn at the latest by J
26、une 2006. This European Standard 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 th
27、is European Standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Irel
28、and, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 5 1 Scope This Europ
29、ean Standard specifies requirements for roof lights made of plastic materials (e.g. GF-UP, PC, PMMA, PVC) with and without upstands made of e.g. GF-UP, PVC, steel, aluminium or wood for installation in roofs. These roof lights serve the purpose of lighting by means of daylight and of ventilating int
30、erior spaces by means of opening devices. This European Standard applies to roof lights with a rectangular or circular ground plan (see Figures 1 and 2), with an opening span (width) or diameter not larger than 2,5 m and an opening length not larger than 3,0 m in roof pitches up to 25. This document
31、 does not cover roof lights which contribute to the load-bearing or stiffness of the roof itself. This European Standard applies to roof lights without upstand and to roof lights, where a single manufacturer provides all components of the roof light with upstand, which are bought in a single purchas
32、e. The possible additional functions of smoke and heat ventilation in case of fire, and/or roof access, are outside the scope of this European Standard. This European Standard does not include calculation with regard to construction, design requirements and installation techniques. NOTE Guidelines f
33、or safety, application, use and maintenance of individual roof lights are presented in Annex A. Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 6 Key a daylight diameter f roof opening length b roof opening diameter g daylig
34、ht size c daylight width h roof opening size d roof opening width i upstand height e daylight length j roof light height Figure 1 Typical individual roof lights Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 7 2a) Individua
35、l roof light without upstand 2b) Individual roof light with upstand 2c) Individual roof light with upstand and edge profile with edge profile without edge profile 2d) Vertical upstands Key 1 multi skin 4 insulated upstand 7 roof finish 2 single skin 5 non insulated upstand 3 edge profile 6 splayed u
36、pstand Figure 2 Cross sections of typical individual roof lights and upstands Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E) 8 2 Normative references The following referenced documents are indispensable for the application
37、of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 596, Timber structures Test methods Soft body impact test of timber framed walls EN 673, Glass in building Det
38、ermination of thermal transmittance (U value) Calculation method EN 674, Glass in building Determination of thermal transmittance (U value) Guarded hot plate method EN 675, Glass in building Determination of thermal transmittance (U value) Heat flow meter method EN 1013-3, Light transmitting profile
39、d plastic sheeting for single skin roofing Part 3: Specific requirements and test methods for sheets of polyvinyl chloride (PVC) EN 1013-5, Light transmitting profiled plastic sheeting for single skin roofing Part 5: Specific requirements, test methods and performance of polymethylmethacrylate (PMMA
40、) sheets ENV 1187:2002, Test methods for external fire exposure to roofs EN 12153, Curtain walling Air permeability Test method EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using test data from reaction to fire tests EN 13501-2, Fire classific
41、ation of construction products and building elements Part 2: Classification using data from fire resistance tests, excluding ventilation services prEN 13501-5, Fire classification of construction products and building elements Part 5: Classification using data from external fire exposure to roof tes
42、ts EN ISO 140-3, Acoustics Measurement of sound insulation in buildings and of building elements Part 3: Laboratory measurement of airborne sound insulation of building elements (ISO 140-3:1995) EN ISO 178, Plastics Determination of flexural properties (ISO 178:2001) EN ISO 527-1, Plastics Determina
43、tion of tensile properties Part 1: General principles (ISO 527-1:1993 including Corr 1:1994) EN ISO 527-2, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics (ISO 527-2:1993 including Corr 1:1994) EN ISO 4892-1, Plastics Methods of exposure to la
44、boratory light sources Part 1: General guidance (ISO 4892-1:1999) EN ISO 4892-2, Plastics Methods of exposure to laboratory light sources Part 2: Xenon-arc sources (ISO 4892-2:1994) EN ISO 6946, Building components and building elements Thermal resistance and thermal transmittance Calculation method
45、 (ISO 6946:1996) EN ISO 10077-2, Thermal performance of windows, doors and shutters Calculation of thermal transmittance Part 2: Numerical method for frames (ISO 10077-2:2003) Licensed Copy: sheffieldun sheffieldun, na, Mon Oct 30 06:59:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 1873:2005 (E)
46、9 EN ISO 10211-1, Thermal bridges in building construction Heat flows and surface temperatures Part 1: General calculation methods (ISO 10211-1:1995) EN ISO 10211-2, Thermal bridges in building construction Calculation of heat flows and surface temperatures Part 2: Linear thermal bridges (ISO 10211-
47、2:2001) EN ISO 10456, Building materials and products Procedures for determining declared and design thermal values (ISO 10456:1999) EN ISO 12017:1996, Plastics Poly(methyl methacrylate) double- and triple-skin sheets Test methods (ISO 12017:1995) prEN ISO 12567-2, Thermal performance of windows and
48、 doors Determination of thermal transmittance by hot box method Part 2: Roof windows and other projecting windows (ISO/DIS 12576-2:2005) EN ISO 13468-1, Plastics Determination of the total luminous transmittance of transparent materials Part 1: Single-beam instrument (ISO 13468-1:1996) EN ISO 14125,
49、 Fibre-reinforced plastic composites Determination of flexural properties (ISO 14125:1998) ISO 10526, CIE standard illuminants for colorimetry ISO/IEC 10527:1991, CIE standard colorimetric observers ISO 13468-2, Plastics Determination of the total luminous transmittance of transparent materials Part 2: Double-beam instrument 3 Terms and definitions For the