BS EN 14434-2010 Writing boards for educational institutions - Ergonomic technical and safety requirements and their test methods《教育部门用写字板 人类工效学 技术和安全性要求及其试验方法》.pdf

1、BS EN 14434:2010ICS 03.180; 13.180; 97.140NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDWriting boardsfor educationalinstitutions Ergonomic,technical and safetyrequirements and theirtest methodsThis British Standardwas published under theauthority of the Stand

2、ardsPolicy and StrategyCommittee on 28 February2010. BSI 2010ISBN 978 0 580 65723 8Amendments/corrigenda issued since publicationDate CommentsBS EN 14434:2010National forewordThis British Standard is the UK implementation of EN 14434:2010. Itsupersedes BS EN 14434:2004 which is withdrawn.The UK part

3、icipation in its preparation was entrusted to TechnicalCommittee FW/0/4, Educational Furniture.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsibl

4、e for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 14434:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14434 January 2010 ICS 03.180; 13.180; 97.140 Supersedes EN 14434:2004English Version Writing boards for educational inst

5、itutions - Ergonomic, technical and safety requirements and their test methods Tableaux pour tablissements denseignement - Exigences ergonomiques, techniques et de scurit et mthodes dessai correspondantes Wandtafeln fr Bildungseinrichtungen - Ergonomische, technische und sicherheitstechnische Anford

6、erungen und Prfverfahren This European Standard was approved by CEN on 12 December 2009. 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 lis

7、ts and bibliographical references concerning such national standards may be obtained on application to the CEN 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 res

8、ponsibility of a CEN member into its own language and notified to the CEN 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,

9、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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management C

10、entre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14434:2010: EBS EN 14434:2010EN 14434:2010 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .54 Gen

11、eral test conditions .84.1 Preliminary preparation 84.2 Tolerances 84.3 Test installation 85 Test equipment 96 General safety requirements 96.1 All boards .96.2 Stability of mobile boards .97 Surface tests and requirements for whiteboards 107.1 General . 107.2 Ability to write and erase . 107.2.1 Te

12、sting . 107.2.2 Method of marking the surface . 107.2.3 Requirements 117.3 Scratch test and requirements 117.3.1 Testing . 117.3.2 Requirements 117.4 Staining tests and requirements . 127.4.1 Testing . 127.4.2 Requirements for each staining liquid . 127.5 Colour degradation test and requirements 127

13、.5.1 Testing . 127.5.2 Requirements 128 Surface tests and requirements for chalkboards 128.1 General . 128.2 Ability to write on an unused chalkboard sample . 138.2.1 Testing . 138.2.2 Method of marking the surface . 138.2.3 Requirement 138.3 Ability to write on an abraded chalkboard sample 138.3.1

14、Testing . 138.3.2 Method of marking the surface . 148.3.3 Requirements 148.4 Scratch test and requirements 158.4.1 Testing . 158.4.2 Requirements 158.5 Staining tests and requirements . 158.5.1 Testing . 158.5.2 Requirements for each staining liquid . 158.6 Colour degradation test and requirements 1

15、58.6.1 Testing . 158.6.2 Requirements 169 Structural tests and requirements 16BS EN 14434:2010EN 14434:2010 (E) 3 9.1 Vertical static load tests and requirements 169.1.1 Vertical downwards static load for rail based systems and horizontally sliding boards 169.1.2 Vertical downwards static load for w

16、inged boards and pivoting boards 169.1.3 Vertical downwards static load for all prominent parts 169.1.4 Vertical upwards static load . 179.2 Durability of moving elements . 179.2.1 Rail based systems . 179.2.2 Boards with rotating parts 179.2.3 Sliding boards with transmission elements . 179.2.4 Pow

17、er operated sliding boards 189.3 Test of rigidity 189.4 Test of stops 199.5 Surface deflection . 1910 Ergonomic requirements 2010.1 Position of controls and handles . 2010.2 Operating forces 2010.3 Requirements for moving forces . 2011 Test report 2112 Installation instructions 2113 Product informat

18、ion 21Annex A (normative) Assessment scale for the ability to write - Five levels chalk scale . 23Annex B (informative) Terminology 24Annex C (informative) Significant technical changes in revised edition of this standard 31BS EN 14434:2010EN 14434:2010 (E) 4 Foreword This document (EN 14434:2010) h

19、as been prepared by Technical Committee CEN/TC 207 “Furniture”, the secretariat of which is held by UNI. 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 July 2010, and conflicting national standar

20、ds shall be withdrawn at the latest by July 2010. 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 supersedes EN 14434:20

21、04. 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, Ire

22、land, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 14434:2010EN 14434:2010 (E) 5 1 Scope This European Standard specifies ergonomic, technical and safety requirements for wall

23、 mounted and free-standing writing boards for use in rooms for educational and training purposes, e.g. classrooms, lecture theatres for schools, universities, etc. It is intended to prevent serious injury through normal functional use, as well as misuse that might reasonably be expected to occur. Th

24、is document applies to units after installation. Safety depending on the structure of the building is not included, e.g. the strength of wall mounted boards includes only the board and its parts. The wall and the wall attachment are not included. Requirements concerning electrical safety are not inc

25、luded. Annex A (normative) includes an assessment scale for the ability to write and erase. Annex B (informative) includes terminology for display writing boards. Annex C (informative) includes significant technical differences between this document and EN 14434:2004. 2 Normative references The foll

26、owing 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 438-2:2005, High-pressure decorative laminates (HPL) S

27、heets based on thermosetting resins (usually called Laminates) Part 2: Determination of properties EN 1023-3, Office furniture Screens Part 3: Test methods 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 board attachment element by which the

28、board is attached to the rail NOTE See Annex B, Figure B.20. 3.2 chalkboard writing board with a writing surface to be used for chalk 3.3 fixed board board or assembly of boards fixed by various means NOTE See Annex B, Figures B.1, B.2, B.3 and B.4. 3.4 fixing element joint by which the rail is moun

29、ted to the wall BS EN 14434:2010EN 14434:2010 (E) 6 3.5 flip chart one-sided board placed or fixed on an easel or a rail with the facility to attach a paper pad NOTE See Annex B, Figure B.16. 3.6 horizontally sliding board board with or without wing with only horizontal board movements in the same p

30、lane, manually or power operated 3.7 map holder permanent system at the upper part of the board allowing maps, charts or other documents to be temporarily hung in place NOTE See Annex B, Figure B.18. 3.8 mobile board board or assembly of boards, which may be moved on the floor from one place to anot

31、her NOTE See Annex B, Figures B.5, B.6 and B.7. 3.9 overall frame outer frame or structure allowing movement of a sliding board 3.10 pivoting board two-sided board articulated on its horizontal or vertical axis and standing on braced feet, with or without castors NOTE See Annex B, Figures B.5 and B.

32、6. 3.11 rail based board/system board hanging and/or sliding on horizontally wall mounted rails NOTE See Annex B, Figure B.20. 3.12 roller board revolving surface board assembly with top and bottom horizontal rollers allowing a continuous loop of flexible writing surface to be revolved between rolle

33、rs NOTE These boards may be wall mounted or mobile (see Annex B, Figure B.17). 3.13 sash board assembly of one or two-sided boards sliding vertically, independent of each other and individually counter-balanced NOTE See Annex B, Figure B.10. 3.14 sliding board board with horizontal and/or vertical m

34、ovements in the same plane, manually or power operated BS EN 14434:2010EN 14434:2010 (E) 7 NOTE It does not include a railed-based system (see Annex B, Figures B.9, B.10, B.11, B.12 and B.13). 3.15 tilting board manually or power-operated inclinable one-sided board articulated on its lower horizonta

35、l edge, e.g. screens for overhead projectors NOTE See Annex B, Figure B.11. 3.16 to and fro system assembly of one- or two-sided boards sliding vertically, counter-balancing each other in all positions NOTE See Annex B, Figure B.9. 3.17 transmission element any means to transmit a movement such as t

36、o and fro, or sash 3.18 tray ledge placed at the lower part of the board upon which writing implements may be placed NOTE See Annex B, Figure B.18. 3.19 vertically and horizontally sliding board board with or without wing with vertical and horizontal movements in the same plane, manually or power op

37、erated 3.20 vertically sliding board board with or without wing, with only vertical movements in the same plane, manually or power operated NOTE See Annex B, Figures B.9, B.10, B.11, B.12 and B.13. 3.21 whiteboard writing board with a writing surface of a light colour to be used for dry marker pen 3

38、.22 wall mounted board one-sided board fixed to the wall NOTE See Annex B, Figure B.1. 3.23 wing two-sided board mounted on a vertically hinged system 3.24 winged board assembly comprising a one-sided board and one or more wings NOTE Double-board, triple-board and book-leaf are examples of winged bo

39、ards (see Annex B, Figures B.2, B.3 and B.4). BS EN 14434:2010EN 14434:2010 (E) 8 3.25 writing board board with one or more writing surfaces for the display of information 3.26 writing surface surface for the display of information by means of writing and/or by other methods NOTE The surface is eras

40、able and re-usable. 4 General test conditions 4.1 Preliminary preparation Before any of the tests are commenced, the item shall be old enough to ensure that it has developed its full strength. In the case of surfaces and glued joints in timber and the like, at least four weeks in normal indoor condi

41、tions shall have elapsed between manufacturing and testing. All boards shall be tested as delivered. If of knock-down type, it shall be assembled according to the instructions supplied with the board. If the board can be assembled or combined in different ways, the most adverse combination shall be

42、used for each test. The same is valid for units that can be combined with other units or components. The tests shall be carried out in indoor conditions, but if during a test the temperature is outside the range of 15 C to 25 C, the maximum and/or minimum temperature shall be recorded in the test re

43、port. Tighten any assembly fittings before testing. Further retightening shall not take place unless it is specifically required by the manufacturer. 4.2 Tolerances Unless otherwise stated the following tolerances apply: Masses: 0,5 % of the nominal mass; Dimensions: 1,0 mm of the nominal dimension;

44、 Angles: 2 of the nominal angle; Forces: 5 % of the nominal force. 4.3 Test installation For the structural tests in Clause 9, the board shall be installed according to the manufacturers instructions. Wall mounted boards shall be mounted to a structure sufficiently strong and stiff to eliminate the

45、possibility of it affecting the results of the tests. The mounting of the structure shall be representative of the service installation. Where the manner of mounting is ambiguously defined, the manner of mounting shall be recorded in the test report. BS EN 14434:2010EN 14434:2010 (E) 9 5 Test equipm

46、ent 5.1 Floor surface, rigid, horizontal and flat. 5.2 Wall surface, rigid, vertical and flat. 5.3 Chalk, two types of white chalk: a) made from calcium carbonate; b) made from calcium sulphate. 5.4 Pen, red alcohol base, acrylic tipped dry marker. 6 General safety requirements 6.1 All boards No par

47、t of the board shall constitute a risk of injury to the user during normal use. The board shall be such that damages to clothing and soiling are avoided during normal use. All accessible edges and corners shall be rounded or chamfered and shall have no burrs. Hollow ends shall be capped or otherwise

48、 closed. In order to avoid shearing and pinching, the distance between parts moving relative to each other shall have safety distances, which shall always be less than 8 mm or more than 25 mm in any position during movement. a) Shear and pinching points, which are held apart by rubber or plastic buf

49、fers are exempt from this requirement provided that the gap produced by the buffer is at least 25 mm. b) For winged boards, the gap between two parts of the board is exempt from this requirement. c) For vertically sliding boards (sash boards, to and fro boards), where there is a risk of entrapment, the requirement is applicable except between the boards. The gap between the boards shall be at least 25 mm. NOT