SANS 50355-2003 Personal protective equipment against falls from a height - Energy absorbers《防高空坠落的人员防护装置 能量吸收装置》.pdf

1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ICS 13.340.99 ISBN 0-626-14643-7 SANS 50355:2003 Edition 2 EN 355:2002 Edition 2 SOUTH AFRICAN NATIONAL STANDARD Personal protective equipment against fa

4、lls from a height Energy absorbers This national standard is the identical implementation of EN 355:2002 and is adopted with the permission of CEN, rue de Stassart 36, B-1050 Brussels. Published by Standards South Africa 1 dr lategan road groenkloof ! private bag x191 pretoria 0001 tel: 012 428 7911

5、 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa 2003 SANS 50355:2003 Edition 2 EN 355:2002 Edition 2 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee STANSA SC 5120.11B, Fall arrest systems,

6、in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This edition cancels and replaces the first edition (SABS EN 355:1992). EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 355May 2002ICS 13.340.99 Supersedes EN 355:1992English versionPerson

7、al protective equipment against falls from a height -Energy absorbersEquipement de protection individuelle contre les chutes dehauteur - Absorbeurs denergiePersnliche Schutzausrstung gegen Absturz -FalldmpferThis European Standard was approved by CEN on 12 March 2002.CEN members are bound to comply

8、with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centr

9、e or to any CEN member.This European Standard exists in three official versions (English, French, German). 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 officialversio

10、ns.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN

11、 DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2002 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 355:2002 EEN 355:2002 (E)2ContentspageForeword31 Scope 42 Normative references

12、 43 Terms and definitions44 Requirements .54.1 Design and ergonomics 54.2 Materials and construction .54.3 Static preloading54.4 Dynamic performance .54.5 Static strength54.6 Marking and information.55 Test methods55.1 Static preloading test 55.1.1 Apparatus .55.1.2 Method 55.2 Dynamic performance t

13、est65.2.1 Apparatus .65.2.2 Method 65.3 Static strength test 75.3.1 Apparatus .75.3.2 Method 76 Marking .77 Information supplied by the manufacturer78 Packaging .8Annex ZA (informative) Clauses of this European Standard addressing essential requirements or otherprovisions of EU Directives .9Bibliogr

14、aphy 10EN 355:2002 (E)3ForewordThis document EN 355:2002 has been prepared by Technical Committee CEN/TC 160 “Protection against fallsfrom a height including working belts“, the secretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by pub

15、lication of an identical text orby endorsement, at the latest by November 2002, and conflicting national standards shall be withdrawn at the latestby November 2002.This document supersedes EN 355:1992. This new edition contains the old text of the standard and incorporatessome urgent amendments that

16、 are intended to give additional information and clarify inconsistencies. Acomprehensive revision of the standard will follow at a later stage.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree Trade Association, and supports essential requir

17、ements of EU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austr

18、ia, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.EN 355:2002 (E)41 ScopeThis European Standard specifies the requirements, test methods, marking, informat

19、ion supplied by the manufacturerand packaging for energy absorbers. Energy absorbers conforming to this European Standard are used as elementsor components either integrated in a lanyard, an anchor line or a full body harness or in combination with one of them.Combinations of an energy absorber and

20、a lanyard are sub-systems constituting one of the fall arrest systemscovered by EN 363, when combined with a full body harness specified in EN 361.Fall arresters are specified in EN 353-1, EN 353-2 and EN 360.2 Normative referencesThis European Standard incorporates by dated or undated reference, pr

21、ovisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it

22、by amendment or revision. For undated references, the latest edition of thepublication referred to applies (including amendments).EN 354:2002, Personal protective equipment against falls from a height Lanyards.EN 362, Personal protective equipment against falls from a height Connectors.EN 363:2002,

23、Personal protective equipment against falls from a height - Fall arrest systems.EN 364:1992, Personal protective equipment against falls from a height - Test methods.EN 365:1992, Personal protective equipment against falls from a height - General requirements for instructions foruse and for marking.

24、3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply.3.1energy absorberelement or a component of a fall arrest system, which is designed to dissipate the kinetic energy developed during afall from a height EN 3633.2lanyardconnecting element or

25、component of a fall arrest system. A lanyard may be of synthetic fibre rope, wire rope, webbingor chain EN 3633.3length of energy absorber including a lanyardtotal length Ltin metres from one load bearing point to the other load bearing point, measured in an unloaded but tautcondition of the energy

26、absorber including lanyard EN 3633.4braking forcemaximum force Fmaxin kilonewtons, measured at the anchor point or the anchor line during the braking period of thedynamic performance test EN 363EN 355:2002 (E)53.5arrest distancevertical distance H in metres, measured at the mobile load bearing point

27、 of the connecting sub-system from the initialposition (onset of the free fall) to the final position (equilibrium after the arrest), excluding the displacements of the fullbody harness and its attachment element EN 3634 Requirements4.1 Design and ergonomicsThe general requirements for the design an

28、d ergonomics are specified in 4.1 of EN 363:2002.4.2 Materials and constructionIf an energy absorber is incorporated in a lanyard (i.e. the energy absorber cannot be removed without mutilating thelanyard, or without the use of a special dedicated tool), the lanyard shall conform to 4.2 and 4.3 of EN

29、 354:2002.Connectors for energy absorbers shall conform to EN 362.4.3 Static preloadingWhen tested as described in 5.1 the permanent extension caused by activation of the energy absorber afterpreloading with 2 kN shall not be greater than 50 mm.4.4 Dynamic performanceWhen tested as described in 5.2

30、with a rigid steel mass of 100 kg or a torso dummy of 100 kg mass, the braking forceFmaxshall not exceed 6 kN and the arrest distance H shall be H 2 Lt + 1,75 m, depending on the total length Ltof theenergy absorber including lanyard.4.5 Static strengthWhen tested as described in 5.3 with a force of

31、 15 kN, the fully developed energy absorber shall withstand the staticstrength test without tearing or rupture.4.6 Marking and informationMarking of the energy absorber shall be in accordance with clause 6.Information shall be supplied with the energy absorber in accordance with clause 7.5 Test meth

32、ods5.1 Static preloading test5.1.1 ApparatusThe static preloading test apparatus shall conform to 5.3.1 of EN 364:1992.5.1.2 MethodThe static preloading test shall be conducted as described in 5.3.2 of EN 364:1992. The permanent extension shall bemeasured at the point of activation of the energy abs

33、orber.EN 355:2002 (E)65.2 Dynamic performance test5.2.1 ApparatusThe dynamic performance test apparatus shall conform to 4.2, 4.4, 4.5 and 4.6 of EN 364:1992.5.2.2 Method5.2.2.1 Energy absorber as a componentIf the energy absorber is a component, the dynamic performance test shall be conducted as sp

34、ecified in 5.3.4.1 ofEN 364:1992 with a rigid steel mass of 100 kg.Figure 1 - Example of an energy absorber as a component5.2.2.2 Energy absorber integral with a lanyardIf the energy absorber is incorporated in a lanyard, the dynamic performance test shall be conducted as specified in5.3.4.2 of EN 3

35、64:1992 with a rigid steel mass of 100 kg, raising the mass to its maximum height and without using anadditional chain lanyard.Figure 2 - Example of an energy absorber integral with a lanyard5.2.2.3 Energy absorber integral with a full body harnessIf the energy absorber is incorporated in a full bod

36、y harness, the dynamic performance test shall be conducted asspecified in 5.3.4.3 of EN 364:1992 with a torso dummy of 100 kg mass.EN 355:2002 (E)75.3 Static strength test5.3.1 ApparatusThe static strength test apparatus shall conform to 4.1 of EN 364:1992.5.3.2 MethodThe static strength test shall

37、be conducted as described in 5.3.6 of EN 364:1992.6 MarkingMarking on the energy absorber shall conform to 2.2 of EN 365:1992 and any text shall be in the languages of thecountry of destination. In addition to conforming to 2.2 of EN 365:1992 the marking shall include the following:a) on the energy

38、absorber, a pictogram to indicate that users shall read the information supplied by themanufacturer (see figure);b) the maximum length allowed of the energy absorber including lanyard;c) the model/type identification mark of the energy absorber;d) the number of this European Standard, i.e. EN 355.7

39、Information supplied by the manufacturerThe information supplied by the manufacturer shall be provided in the languages of the country of destination. It shallconform to 2.1 of EN 365:1992 and in addition shall include at least advice or information as follows:a) that the total length of a sub-syste

40、m with an energy absorber including lanyard, terminations and connectorsshall not exceed 2 m (e.g. connector plus lanyard plus energy absorber plus connector);b) the characteristics required for a reliable anchor point;c) on how to connect to a reliable anchor point, to a full body harness and to ot

41、her components of a fall arrestsystem;d) on how to ensure the compatibility of any components to be used in conjunction with the energy absorber,e.g. by reference to other European Standards;e) the necessary minimum clearance below the feet of the user, in order to avoid collision with the structure

42、 orground in a fall from the height. With a mass of 100 kg and a fall factor two situation (worst case) theclearance is the arrest distance H (see 3.5) plus an extra distance of 1 m;f) the material from which the energy absorber is made;EN 355:2002 (E)8g) on limitations of the materials in the produ

43、ct or hazards which may affect its performance, e.g. temperature,the effect of sharp edges, chemical reagents, electrical conductivity, cutting, abrasion, UV degradation, otherclimatic conditions;h) that before and during use, consideration should be given as to how any rescue could be safely andeff

44、iciently carried out;i) that the product should only be used by a trained and/or otherwise competent person or the user should beunder the direct supervision of such a person;j) on how to clean the product, including disinfection, without adverse effect;k) if information exists, the expected lifespa

45、n of the product (obsolescence) or how this may be determined;l) on how to protect the product during transportation;m) on the meaning of any markings on the product;n) the model/type identification mark of the energy absorber;o) the number of this European Standard, i.e. EN 355.8 PackagingEnergy ab

46、sorbers shall be supplied wrapped, but not necessarily sealed, in a material that provides some resistanceagainst the penetration of moisture.EN 355:2002 (E)9Annex ZA (informative)Clauses of this European Standard addressing essential requirements orother provisions of EU DirectivesThis European Sta

47、ndard has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association and supports essential requirements of EU Directive 89/686/EEC.WARNING : Other requirements and other EU Directives may be applicable to the product(s) falling within the scopeof th

48、is European Standard.The following clauses of this European Standard are likely to support requirements of Directive 89/686/EEC, Annex II:EU-Directive 89/686/EEC, Annex II Clauses of this standard1.1 Design principles 4.1 and 4.21.3.2 Lightness and design strength 4.51.4 Information supplied by the

49、manufacturer 72.10 PPE for connection to another, external complementary device 72.12 PPE bearing one or more identification or recognition marks directly orindirectly relating to health and safety6 and 73.1.2.2 Prevention of falls from height 4 to 8Compliance with the clauses of this European Standard provides one means of conforming to the specific essentialrequirements of the Directive concerned and associated EFTA regulations.EN 355:2002 (E)10BibliographyEN 353-1, Personal protective equipment against falls from a height Part 1: Guided type fall arresters i