BS-EN-1873-2005.pdf
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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
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