Bsi bs en 15061 2007 + a1 2008

BS EN 15061:2007 +A1:2008 BRITISH STANDARD Safety of machinery — Safety requirements for strip processing line machinery and equipment ICS 77 80 ?? ? ? ????? ??????? ??? ?? ???????? ? ?? ? ?? ?? ?? ?????? ? ?? ? ? ?????? ? ??? ? ? ? ? ? ? ? ? ? ? BS EN 5061 : 2007 +A1:2008 National fo re wo rd ? ? ? ? ? ? ? ? This British Standard is the UK implementation of EN ???? : ? ???+A1:2008 It supersedes BS EN ? ???? ? ??? ????? ?? ????????? The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by The UK participation ?? ??? ? ?????????? ??? entrusted to Technical Committee ????? ? ?????? ?? ????? ????????? ????? A list of organizations represented on this committe ? can be obtained on request to its secretary ???? ? ?? ???????? does not purport to include all ??? necessary provisions of a contract Users are responsible for its correct application ? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? Compliance with a British Standard cannot confer immunity from legal obligations This British Standard ??? ? ?? ????? ? ???? ? ??? ????? ???? ? ? ??? ????????? ? ? ??????? ??? ???? ? ???? ? ??? ?? ? ? ? ? ? ? ?? ?? ? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? Amendments ?corrigenda issued since publication ? ? Date 30 © BSI 200? ISBN 978 580 61 506 April 200? Comments Implementation of CEN amendment A1 : 2008 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 15061:2007+A1 November 2008 ICS 77.1 80 Supersedes EN 5061 :2007 English Version Safety of machinery - Safety requirements for strip processing line machinery and equipment Sécurité des machines - Prescriptions de sécurité pour machines et installations de traitement des bandes Sicherheit von Maschinen - Sicherheitsanforderungen an Bandbehandlungsanlagen und Einrichtungen This European Standard was approved by CEN on 23 September 2007 and includes Amendment approved by CEN on 23 October 2008 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 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 responsibility 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, 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 C O MITÉ EURO P ÉEN D E NO RMALIS ATIO N E U RO P Ä I S C H E S KO M I T E E F Ü R N O RM U N G Management Centre: rue de Stassart, 36 B-1 050 Brussels © 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 5061 :2007+A1 :2008: E BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Contents Page Foreword Introduction Scope Normative references Terms and definitions List of significant hazards Safety requirements and/or measures 5.1 General design requirements .1 5.1 Introduction 5.1 Structural assembly 5.1 Safety layout .1 5.1 Access to the line 5.1 Guards 5.1 Guard-rail 5.1 Safety signs and warning devices .1 5.1 Safety-related control systems 5.1 Personal protective equipment (PPE) .1 5.1 Electrical equipment 5.1 1 Hydraulic, pneumatic, cooling and lubrication systems 5.1 Fluid systems carrying or containing fluids .1 5.1 Material to be discharged to drains 5.1 Ergonomic principles 5.1 Surface temperatures and heat radiation 5.1 Fire protection 5.1 Vibrations .1 5.1 Maintenance on equipment containing dangerous substances 5.1 Linked equipment 20 5.2 List of significant hazards, hazardous situations, safety requirements and/or measures for terminal equipment 20 5.2.1 General 22 5.2.2 Hydraulic and pneumatic equipment .23 5.2.3 Bridges, crossovers, guides .25 5.2.4 Pulpits 25 5.2.5 Coil transport and handling equipment 26 5.2.6 Uncoiling equipment 27 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) 5.2.7 5.2.8 5.2.9 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1 5.3 Shears and scrap/samples handling equipment 28 Strip guiding and conveying equipment 29 Strip accumulators 30 Side trimming machines 31 Strip inspection stands 32 Coiling equipment 33 Strip connecting system 34 Oiling system 35 Measuring devices and display units 36 Marking devices for strip 37 List of significant hazards, hazardous situations, safety requirements and/or measures for processing equipment 38 5.3.1 General 39 5.3.2 Hydraulic and pneumatic equipment 40 5.3.3 Bridges, crossovers, guides 42 5.3.4 Pulpits 42 5.3.5 Pickling 43 5.3.6 Pre-treatment 46 5.3.7 Hot dipping 49 5.3.8 Electro plating 56 5.3.9 Tension leveller, scale breaker 58 5.3.1 Organic coating by roll coater 59 5.3.1 Chemical post-treatment section (Activation, Phosphatizing, Chromatizing, Roll coating) 60 5.4 Special safety requirements or measures 64 5.4.1 General 64 5.4.2 Hold-to-run control device 64 5.4.3 Mechanical restraint devices 64 5.4.4 Access to the strip for inspection 64 5.5 Noise reduction as a safety requirement 65 5.5.1 Noise reduction at source by design 65 5.5.2 Noise reduction by protective measures 65 5.5.3 Noise reduction by information 65 5.5.4 Noise sources and examples of noise reduction measures 65 Verification of the safety requirements and/or measures 67 Information for use 68 7.1 General 68 7.2 Safety signs and warning devices 68 7.3 Minimum marking 68 7.4 Instruction handbook 68 7.4.1 General 68 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) 7.4.2 Identifying information 69 7.4.3 Detailed information/instructions 69 7.4.4 Operation 70 7.5 Maintenance manual 71 Annex A (normative) Safety requirements and/or measures for electrical equipment .72 Annex B (normative) Noise test code .76 Annex C (informative) Example for manufacturer's safety instructions for maintenance at strip processing lines 80 Annex D (informative) Exemplary solutions 82 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC 88 Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC 89 Bibliography 90 ! " BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Figures Figure D.1 — Examples for automatic modes of operation (3.1 3) .82 Figure D.2 — Movable platform (see 5.3.7.1 ) 83 Figure D.3 — Example for protected walkways 83 Figure D.4 — Example for protected walkways 84 Figure D.5 — Example for protected inspection stand (horizontal) 84 Figure D.6 — Example for an inspection stand protected by a door with guard locking and roofing (5.2.1 ) 85 Figure D.7 — Example of a plating section 85 Figure D.8 — Diagrammatic view of an electrolytic plating plant .86 Figure D.9 — Example of flange cover 86 Figure D.1 — Example of reversed rotation in case of cleaning the coater rolls (5.3.1 0, 5.3.1 2) 87 Tables Table — List of significant hazards, hazardous situations, safety requirements and/or measures for terminal equipment 22 Table — List of significant hazards, hazardous situations, safety requirements and/or measures for processing equipment 39 Table — Noise sources of strip processing lines and exemplary noise reduction measures 67 Table A.1 — Stop functions 74 Table B.1 — Example of declared dual-number noise emission values for work stations and specified measuring points 79 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Foreword This document (EN 5061 :2007+A1 :2008) has been prepared by Technical Committee CEN/TC 322 “Equipments for making and shaping of metals - Safety requirements”, the secretariat of which is held by DIN 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 May 2009, and conflicting national standards shall be withdrawn at the latest by December 2009 This document includes Amendment , approved by CEN on 2008-1 0-23 This document supersedes EN 5061 :2007 The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ! " 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 EC Directive(s) " For relationship with EC Directive(s), see informative Annexes ZA and ZB, which are integral parts of this document This standard was elaborated by CEN/TC 322/WG4 comprising experts from the following countries: Austria, Germany, Italy, The Netherlands and Sweden 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 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, 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 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Introduction This European Standard is a type C standard as stated in EN ISO 21 00 The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this European Standard When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for machines that have been designed and built according to the provisions of this type C standard Where for clarity an example of a preventive measure is given in this standard, this should not been considered as the only possible solution Any other solution leading to the same risk reduction is permissible if an equivalent level of safety is achieved BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Scope This European Standard defines the health and safety requirements of strip processing lines (see 3.1 ) This European Standard deals with all significant hazards, hazardous situations and events relevant for strip processing line machinery and equipment, when used as intended and under conditions foreseen by the manufacturer, but also includes foreseeable faults and malfunctions in case of misuse This European Standard specifies the requirements to ensure the safety of persons which are to be considered and met during the design, assembly, transport, commissioning, operation, maintenance and decommissioning of the equipment This European Standard applies to: Strip processing lines for treating metal strip: from take-over point (see 3.6) of the entry section (terminal equipment, see 3.2) through the process (processing and terminal equipment, see 3.3 and 3.2) up to the takeover point of the exit section or interface to other lines (terminal equipment) Processing and terminal equipment for: Terminal equipment for: Entry section ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ (1 ) Terminal equipment for: Pickling (5.3.5) (1 ) Pre-treatment (5.3.6) (1 ) Hot dipping (5.3.7) (1 ) Electro plating (5.3.8) (1 ) Tension levelling/scale breaking (5.3.9) (1 ) Organic coating by roll coater (5.3.1 0) (1 ) Chemical post-treating (5.3.1 ) (1 ) Annealing (1 ), (2) it may include also terminal equipment according to 5.2 (2) for annealing lines the requirement for related processing equipment (5.3.5 to 5.3.1 ) is covered by this standard The requirements for the furnace of annealing lines are covered by EN 746-1 , EN 746-2 and EN 746-3 Exit section This European Standard does not cover: ⎯ ⎯ ⎯ ⎯ ⎯ Furnaces in accordance with EN 746-1 , EN 746-2 and EN 746-3; Dryers and ovens in accordance with EN 539; Coil transporting system before take-over-point at the entry section and after take-over-point at the exit section, e g., hook conveyors, overhead cranes, fork lift and railway trucks and other vehicles; Storage equipment for coils; Rolling mill stands (i e., skin pass and reduction stands) according to prEN 5094; BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) The installation and mounting conditions shall be those recommended by the manufacturer The operating conditions shall be recorded and reported B.6 Information to be recorded and reported The information recorded when carrying out the test and the test report shall at least contain the following information: a) manufacturer, kind of machine/plant, boundary and technical data and sizes; b) operating conditions under which noise is measured (see B.5); c) measurement results: ⎯ ⎯ ⎯ A-weighted emission sound pressure level at each work station (accompanied by a drawing showing the position of each work station on the strip processing line); A-weighted emission sound pressure level at each specified measuring point (accompanied by a drawing showing these points on the strip processing line); possible deviations to this noise test code or to EN ISO 1 202, with the justification for them; d) Precise position of work stations, specified measurement points and duration of measurement; e) Place and date of measurement, identifying information of the responsible person/body B.7 Declaration and verification of noise emission values For strip processing lines only typical values can be given as noise emission values before commissioning The noise emission shall then be measured under the specific production conditions and declared after commissioning The following noise emission values shall be declared: ⎯ ⎯ A-weighted emission sound pressure level at each work station (accompanied by a drawing showing the position of each work station on the strip processing line); A-weighted emission sound pressure level at each specified measuring point (accompanied by a drawing showing these points on the strip processing line) The noise declaration shall give detailed information on the operating conditions and parameters of the strip processing line during noise measurement and at least those indicated in B.5 The declaration shall be made as dual-number noise emission values (measured value and associated uncertainty given separately) The noise declaration shall be made in such a way that the values can be verified according to 6.2 of EN ISO 4871 :1 996 The noise declaration shall explicitly mention the fact that the noise emission values have been obtained according to the specifications of this noise test code and make reference to EN ISO 1 202 If this statement does not apply, the noise declaration shall indicate clearly what the deviations are from these specifications and/or from the basic standard In case of verification of the declared noise emission values this shall be done using this noise test code and under the same operating conditions as those used for declaration 78 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Table B.1 shows an example of a dual-number noise declaration Table B.1 — Example of declared dual-number noise emission values for work stations and specified measuring points Plant Name Job Number Machine Type Date of readings Dimension of the product Nominal speed Productivity (m/min) (ton/h) DECLARED DUAL-NUMBER NOISE EMISSION VALUES Declared A-weighted emission sound pressure level at work stations A to Measurement at work stations A description of the work station B description of the work station C description of the work station Measured value L pA [dB] (re 20 μPa) Uncertainty KpA [dB] Declared A-weighted emission sound pressure level at measuring points around the strip processing line Specified measuring points specification/position of measuring point specification/position of measuring point Measured value L pA [dB] (re 20 μPa) Values determined according to noise test code Annex B of EN 5061 : measurement standard EN ISO 1 202 Uncertainty KpA [dB] ! 2008" and NOTE The sum of a measured noise emission value and its associated uncertainty represents an upper bound of the range of values which can occur in the measurements 79 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Annex C (informative) Example for manufacturer's safety instructions for maintenance at strip processing lines C.1 Hazards caused by a lack of instructions Examples: ⎯ ⎯ ⎯ ⎯ ⎯ "The instructions in this technical documentation of the machinery and/or plant (in particular the “safety” section) shall be observed and put into practice by the user"; "Internal company instructions are to be prepared taking into account the qualifications, experience, knowledge and abilities of the personnel entrusted with the work"; "In addition to the instructions in this technical documentation, generally applicable legal and other mandatory regulations relevant to accident prevention and environmental protection are to be observed and instructed"; "Maintenance work on/with the machine/plant may only be performed by personnel that have received adequate training and have proved competent"; "Only maintenance personnel with special qualifications in this field shall be allowed to work on electrical, hydraulic, pneumatic and supply-related equipment" C.2 Hazards caused by visual or audible checks at machinery in motion (see 5.1 for access to danger zones) Examples: ⎯ ⎯ ⎯ "Visual or audible checks in automatic mode are only permissible for maintenance personnel for the areas and/or activities hereafter: ."; "This work shall only be carried out by personnel with written approval by the responsible user; It may be necessary, that an additional person shall be assigned to supervise work progress and to assist these dangerous activities" C.3 Hazards caused by unintentional movements during maintenance The following measures may help to avoid dangerous situations caused by movements Examples: ⎯ ⎯ 80 "Firstly, stopping the dangerous movement by control devices provided for that purpose until the movement has come to a standstill Secondly, interruption of power supply for actuator and control elements"; BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) ⎯ ⎯ "Preventing unauthorised, erroneous and unexpected start-up through: ⎯ ⎯ ⎯ ⎯ Locking the main control equipment; Removing the key from the main control desk; Separating plug-in connections; Securing parts that may change their position, e g by means of a brake, backstop, safety bolts, supports, scotches or check valve"; "Preventing the start of hazardous motions as a result of stored energy through pressure relief, shutting off, relaxing and lowering (e.g of flywheel masses)" C.4 Hazards at work during standstill with safeguards disabled Examples: “Permit-to-work” system: ⎯ ⎯ ⎯ ⎯ "A permit-to-work system is to be adopted for maintenance activities during plant shutdown A written permit is to be issued by the plant manager to the person responsible for leading the maintenance activity, who should examine the permit for important information and instructions and countersign the permit, thereby indicating that the contents have been read and understood"; "Repair work requiring removal or deactivation of safeguards may only be performed on the above conditions"; "All safeguards that have been removed shall be replaced after completion of the work Work completion and safeguard replacement shall be verified, and confirmed by signature of the permit-to-work, before the plant is accepted back and start-up commenced"; "Document/note should be kept for years" C.5 Hazards arising from work with hazardous substances The operating instructions shall list any hazardous substances used, the risk they pose and the precaution/ prevention to be taken Maintenance staff has to be informed about this Examples: ⎯ ⎯ ⎯ "The identity of the substances shall be checked before being used"; "With regard to the substances being used neutralising agents, absorbents etc shall be provided ready for use"; "All personnel protective equipment required shall be kept ready and be used"; C.6 Hazards arising from plant re-start Examples: ⎯ ⎯ ⎯ "All safeguards and safety devices removed for maintenance shall be put back into place (also C.4)"; "The working and traffic areas shall be cleared and restored to a clean state"; "All securing parts (e g., safety bolts) shall be recovered in the plant-is-working-position" 81 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Annex D (informative) Exemplary solutions Key a b c d pay-off reel peeler pinch roll flattener thickness gauge crop shear scrap bucket pinch rolls e f g h S or S1 to Sn : Automatic mode Automatic mode Release signal by operator Function Semi-automatic mode Release signal by operator start start S1 stop start Release signal by operator S2 S stop start Release signal by operator Release signal by operator S3 stop start S4 stop 1 2.1 2.2 2.3 2.4 3.1 3.2 3.3 4.1 4.2 4.3 4.4 i k m looper centering device welder Manual Mode Sequences Positioning of coil for feeding Adjustment of coil peeler Threading of strip into the pinch roll Adjustment of flattener Threading to crop shear Strip switch gate in pos for scrapping of head end Scrapping of head end Strip switch gate in pos for threading into the line Strip threading into the welder Positioning of strip in welding machine Clamping of the strip Alignment of strip head and strip end Shearing Overlapping of strip ends Welding Figure D.1 — Examples for automatic modes of operation (3.1 3) 82 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Key molten metal pot air knife system movable platform with guard-rail Figure D.2 — Movable platform (see 5.3.7.1 ) Key A view A B view B guard Figure D.3 — Example for protected walkways 83 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Key A view A B view B guard Figure D.4 — Example for protected walkways Key A view A protection wall with inspection window Figure D.5 — Example for protected inspection stand (horizontal) 84 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Key door with guard locking guard-rail window pane spot light mirror Figure D.6 — Example for an inspection stand protected by a door with guard locking and roofing (5.2.1 ) Key one-side-coating two-side-coating conductor roll electrolyte entry anode box with anode electrolyte exit Figure D.7 — Example of a plating section 85 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Key 10 11 uncoiler crop shear welding machine pre-degreasing strip drier strip tension and guiding entry accumulator tension leveller degreasing surface activation electro plating 12 13 14 15 16 17 18 19 20 21 22 activation phosphatizing cromatizing strip drier coating thickness measuring device strip tension guiding exit accumulator strip inspection oiling shear coiler Figure D.8 — Diagrammatic view of an electrolytic plating plant Figure D.9 — Example of flange cover 86 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Key strip deflector roll reversed rotation coat pan Figure D.1 — Example of reversed rotation in case of cleaning the coater rolls (5.3.1 0, 5.3.1 2) 87 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 98/37/EC, amended by 98/79/EC Once this standard is cited in the Official Journal of the European Communities under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard confers, within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard 88 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Annex ZB (informative) ! Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 2006/42/EC Once this standard is cited in the Official Journal of the European Communities under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard confers, within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard " 89 BS EN 5061 :2007+A1 :2008 EN 5061 :2007+A1 :2008 (E) Bibliography [1 ] EN 746-1 ; Industrial thermoprocessing equipment — Part 1: Common safety requirements for industrial thermoprocessing equipment [2] EN 746-2; Industrial thermoprocessing equipment — Part 2: Safety requirements for combustion and fuel handling systems [3] EN 746-3; Industrial thermoprocessing equipment — Part 3: Safety requirements for the generation and use of atmosphere gases [4] EN 746-4, Industrial thermoprocessing equipment — Part 4: Particular safety requirements for hot dip galvanising thermoprocessing equipment; [5] EN 539, Dryers and ovens, in which flammable substances are released — Safety requirements [6] EN 3306, Maintenance terminology [7] prEN 5094, Safety of machinery — Safety requirements for cold flat rolling mills [8] EN 60529, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) [9] EN ISO 6682, Earth-moving machinery - Zones of comfort and reach for controls (ISO 6682:1986 including Amendment 1:1989) [1 0] EN ISO 1 546-1 ; Acoustics - Determination of sound insulation performances of enclosures - Part 1: Measurements under laboratory conditions (for declaration purposes) (ISO 11546-1:1995) [1 ] EN ISO 1 546-2; Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995) [1 2] EN ISO 1 688-2; Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low-noise design (ISO/TR 11688-2:1998) [1 3] EN ISO 1 691 ; Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995) [1 4] EN ISO 1 820; Acoustics - Measurements on silencers in situ (ISO 11820:1996) [1 5] EN ISO 1 821 ; Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997) [1 6] EN 2464-1 , Light and lighting - Lighting of work places - Part 1: Indoor work places Attention, see 5.3.7.1 90 blank BS EN 5061 :2007 +A1 :2008 British Standards Institution (BSI) BSI is the in de p en dent national bo dy res p onsible for p re p aring British Standards It p resents the UK view on standar ds in Euro p e and at the international level It is incorp orate d by Royal Charter Revisions British Stan dar ds are u pdate d by dment or revision Users of British Stan dards shoul d make sure that they e ditions p ossess the latest amendments or It is the constant aim of BSI to im p rove the quality of our p ro ducts and services We woul d be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard woul d inform the Secretary of the technical committee res p onsible, the i dentity of which can be found on the inside front cover Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400 BSI offers members an individual u pdating service calle d PLUS which ensures that subscribers automatically receive the latest e ditions of standards Buying standards Orders for all BSI, international and foreign standar ds a ddresse d to Customer Services Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 Email: orders@bsigrou p com p ublications should be You may also buy directly using a debit/cre dit card from the BSI Sho p on the Website htt p : //www bsigrou p com/sho p In res p onse to or ders for international standar ds, it is BSI p olicy to su pp ly the BSI im p lementation of those that have been p ublishe d as British Standards, unless otherwise requeste d Information on standards BSI p rovi des a wide range of information on national, Euro p ean and international standards through its Library and its Technical Help to Exp orters Service Various BSI electronic information services are also available which give details on all its p ro ducts and services Contact the Information Centre Tel: +44 (0)20 8996 71 1 Fax: +44 (0)20 8996 7048 Email: info@bsigrou p com Subscribing members of BSI are ke p t u p to date with standards develo p ments and receive substantial discounts on the p urchase p rice of standar ds For details of these and other benefits contact Membershi p Administration Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: membershi p @bsigrou p com Information regarding online access to British Stan dards via British Stan dards Online can be found at htt p : //www bsigrou p com/BSOL Further information about BSI is available on the BSI website at htt p : //www bsigrou p com Copyright Co p yright subsists in all BSI p ublications BSI also holds the co p yright, in the UK, of the p ublications of the international standardization bo dies Exce p t as p ermitte d under the Co p yright, Designs and Patents Act 988 no extract may be re p ro duce d, store d in a retrieval system or transmitte d in any form or by any BSI Grou p Hea dquarters 389 Chiswick High Roa d, London W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 www.bsigrou p com/standards means – electronic, p hotoco p ying, p ermission from BSI recording or otherwise – without p rior written This does not p reclu de the free use, in the course of im p lementing the standard, of necessary details such as symbols, and size, typ e or gra de designations If these details are to be use d for any other p urp ose than im p lementation then the p rior written p ermission of BSI must be obtaine d Details and a dvice can be obtaine d from the Co p yright & Licensing Manager Tel: +44 (0)20 8996 7070 Email: co p yright@bsigrou p com