Unknown BRITISH STANDARD BS EN 1547 2001 Industrial thermoprocessing equipment — Noise test code for industrial thermoprocessing equipment including its ancillary handling equipment ICS 17 140 20; 25[.]
BRITISH STANDARD Industrial thermoprocessing equipment — Noise test code for industrial thermoprocessing equipment including its ancillary handling equipment ICS 17.140.20; 25.180.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 1547:2001 +A1:2009 BS EN 1547:2001+A1:2009 National foreword This British Standard is the UK implementation of EN 1547:2001+A1:2009 It supersedes BS EN 1547:2001 which is withdrawn The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the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 in its preparation was entrusted by Technical Committee MCE/3, Safeguarding of machinery, to subcommittee MCE/3/8, Thermoprocessing equipment — Safety A list of organizations represented on this committee can be obtained on request to its secretary 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 cannot confer immunity from legal obligations This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 2001 © BSI 2009 ISBN 978 580 63141 Amendments/corrigenda issued since publication Date Comments 31 October 2009 Implementation of CEN amendment A1:2009 EUROPEAN STANDARD EN 1547:2001+A1 NORME EUROPÉENNE EUROPÄISCHE NORM June 2009 ICS 25.180.01 Supersedes EN 1547:2001 English Version Industrial thermoprocessing equipment - Noise test code for industrial thermoprocessing equipment including its ancillary handling equipment Equipements thermiques industriels - Code d'essai acoustique pour équipements thermiques industriels, y compris les équipements de manutention auxilliaires Industrielle Thermoprozessanlagen Geräuschmessverfahren für industrielle Thermoprozessanlagen einschließlich ihrer Be- und Entladeeinrichtungen This European Standard was approved by CEN on 24 January 2001 and includes Amendment approved by CEN on 21 May 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 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 COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 1547:2001+A1:2009: E BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Contents Page Foreword Introduction 4 Scope Normative references 4 Terms and definitions 5 Machine family description 7 5.1 5.2 Sound power level determination 7 Basic international standards to be used 7 Measurement procedure .7 6.1 6.2 6.3 Emission sound pressure level determination 8 Basic international standards to be used 8 Selection of relevant work stations .8 Measurement procedure .8 Installation and mounting conditions 8 Operating conditions .9 Measurement uncertainties 10 Information to be recorded 9 11 Information to be reported 9 12 Declaration and verification of noise emission values 10 Annex A (informative) Examples of a gas-fired heat treatment furnace (continuous type) 12 Annex B (informative) An example of information to be reported; Noise Test Form 13 Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC" 15 Annex ZB (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC" 16 !Bibliography" 17 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Foreword This document (EN 1547:2001+A1:2009) has been prepared by Technical Committee CEN/TC 186 "Industrial thermoprocessing - Safety", 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 December 2009, and conflicting national standards shall be withdrawn at the latest by December 2009 This document includes Amendment 1, approved by CEN on 2009-05-21 This document supersedes EN 1547:2001 The start and finish of text introduced or altered by amendment is indicated in the text by tags ! " This document 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 Annexes ZA and ZB, which are integral parts of this document." This standard forms one part of safety standards covering Industrial Thermoprocessing Equipment For a full list of parts it is referred to the EN 746 series The working group that drafted this Part comprised experts from the following countries: Belgium, Finland, France, Germany, Switzerland and the United Kingdom The annexes A and B are informative 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 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Introduction This standard has been prepared to be a harmonized standard to provide one means of conforming with the essential safety requirements of the Machinery Directive and associated EFTA Regulations This European Standard is a type C-Standard as defined in !EN ISO 12100" This noise test code provides manufacturers and third parties with the means to carry out noise emission measurements, determine values for noise declaration purposes and verify declared values The determination of noise emission requires manufacturers to acquire a basic technical know-how regarding noise emission metrology This explains the approach taken in the body of the standard for the determination of the sound power level Scope !This noise test code specifies all the information necessary to carry out efficiently and under standardized conditions the determination, declaration and verification of the noise emission characteristics of industrial thermoprocessing equipment as described especially in EN 746-1, EN 746-2 and EN 746-3 It also indicates the location of work stations where measurements need to be made." Noise emission characteristics include emission sound pressure levels at work stations and the sound power level The determination of these quantities is necessary for: manufacturers to declare the noise emitted; comparing the noise emitted by machines in the group concerned; purposes of noise control at the source at the design stage The use of this standard ensures the reproducibility of the determination of the noise emission characteristics within specified limits determined by the grade of accuracy of the basic noise measurement method used Noise measurement methods allowed by this standard are engineering methods (grade 2) and survey methods (grade 3) This standard does not cover the computation of personnel daily noise exposure Normative references !The following 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." !deleted text" EN 746-1, Industrial thermoprocessing equipment — Part 1: Common safety requirements for industrial thermoprocessing equipment EN 746-2, Industrial thermoprocessing equipment — Part 2: Safety requirements for combustion and fuel handling systems BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) EN 746-3, Industrial thermoprocessing equipment — Part 3: Safety requirements for the generation and use of atmosphere gases !prEN ISO 3743-1, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering method for small, movable sources in reverberant fields — Part 1: Comparison method for a hard-walled test room (ISO/DIS 3743-1:2006)" !prEN ISO 3744, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane (ISO/DIS 3744:2006)" !prEN ISO 3746, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane (ISO/DIS 3746:2005)" EN ISO 4871:1996, Acoustics — Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) EN ISO 9614-1, Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points (ISO 9614-1:1993) EN ISO 9614-2, Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning (ISO 9614-2:1996) EN ISO 11201, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a work station and at other specified positions — Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995) EN ISO 11202, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a work station and at other specified positions - Survey method in situ (ISO 11202:1995) EN ISO 11204, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a work station and at other specified positions — Method requiring environmental corrections (ISO 11204:1995) Terms and definitions For the purposes of this standard, the following terms and definitions apply: 3.1 noise emission the airborne sound radiated by a well-defined noise source (e.g the machine under test) 3.2 basic noise emission standard a standard for determining the noise emission of machinery and equipment in such a way as to obtain reliable, reproducible results with a specified grade of accuracy 3.3 noise test code a standard that is applicable to a particular class, family or type of machinery or equipment which specifies all the information necessary to carry out efficiently the determination, declaration and verification of the noise emission characteristics under standardized conditions BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) 3.4 emission sound pressure, p, in pascals [see EN ISO 4871:1996] The sound pressure, at a specified position near a noise source, when the source is in operation under specified operating and mounting conditions on a reflecting plane surface, excluding the effects of background noise and of reflections other than those from the plane or planes permitted for the purpose of the test It is expressed in pascals 3.5 emission sound pressure level, Lp, in decibels [see EN ISO 4871:1996] Ten times the logarithm to the base 10 of the ratio of the square of the emission sound pressure, p (t) to the square of the reference sound pressure po , measured with a particular time weighting and a particular frequency weighting, selected from those defined in !EN 61672-1 and -2" The reference sound pressure is 20 µPa 3.6 sound power, W, in watts [see EN ISO 4871:1996] the rate per unit time at which airborne sound energy is radiated by a source 3.7 sound power level, LW, in decibels [see EN ISO 4871:1996] Ten times the logarithm to the base 10 of the ratio of the sound power radiated by the source under test to the reference sound power, determined with a particular frequency weighting or in a particular frequency band -12 The reference sound power is pW (1pW = 10 W) 3.8 noise emission value [see EN ISO 4871:1996] a general term by which any one or more of the A-weighted sound power level, LWA, or the A-weighted timeaveraged emission sound pressure level, LpA, or the C-weighted peak emission sound pressure level, LpC, peak, is inferred 3.9 declared dual-number noise emission value, L and K the value of the measured A-weighted sound power level, LWA, the A-weighted time-averaged emission sound pressure level, LpA, or the C-weighted peak emission sound pressure level, LpCpeak, and K, the related uncertainty NOTE (L + K) indicate the statistical upper limit below which the measured noise emission value of the individual machine or equipment and/or a specified large proportion of the measured noise emission values of a batch of machinery or equipment are projected to lie when the machines are new 3.10 work station, operator's position [see EN ISO 4871:1996] a position in the vicinity of the machine under test which is intended for an operator 3.11 operator [see EN ISO 4871:1996] an individual whose work station is in the vicinity of a machine who is performing a work task associated with that machine 3.12 specified position [see EN ISO 4871:1996] A position defined in relation to a machine including, but not limited to, an operator's position The position can be a single fixed point, or a combination of points along a path or on a surface located at a specified distance from the machine 3.13 manufacturer's rated production the designed output of the machinery, and any related ancillary equipment which form part of the contract between the manufacturer and the purchaser or is declared by the manufacturer in his technical specification BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) 3.14 industrial thermoprocessing equipment and associated equipment additionally to the heat treatment equipment itself, charging and discharging devices can form part of the industrial thermoprocessing equipment as well as ancillary devices such as exhaust equipment, weighing equipment or high pressure gas tanks, which can be a noise source Machine family description This Standard applies to all industrial thermoprocessing equipment detailed in EN 746-1, EN 746-2 and EN 746-3 except when another specific noise test code exists for that particular type of equipment Sound power level determination 5.1 Basic international standards to be used A-weighted sound power levels shall be determined in accordance with one of the following basic noise emission standards: !prEN ISO 3743-1" (grade 2: engineering); !prEN ISO 3744" (grade 2: engineering); !prEN ISO 3746" (grade 3: survey); EN ISO 9614-1 (grade and grade 3, discrete points); EN ISO 9614-2 (grade and grade 3, scanning) Grade (engineering) methods shall be used whenever possible NOTE In case of very large industrial thermoprocessing equipment such as in most rolling mills (with one dimension larger than m vertically or m horizontally) !deleted text", it is adequate, instead of determining the sound power level, to determine A-weighted emission sound pressure levels at specified points around the equipment located at m from the external surface of the equipment and 1,6 m above the floor or access platform In this case, information on sound power level is replaced by the values of these A-weighted emission sound pressure levels 5.2 Measurement procedure When applicable, sound power level shall be determined at least in accordance with the basic noise emission standards listed in 5.1 When an enveloping surface method (e g !prEN ISO 3744", !prEN ISO 3746)" is chosen, measurements shall be done on a rectangular parallelepiped surface preferably with a measuring distance of m Protruding parts, which are noise emitting, such as the combustion airblower, pumps, burners, charging/discharging points shall be taken as an integral part of the equipment when defining the reference box NOTE Annex A gives an example of a gas fired heat treatment furnace (continuous type) The noise measurements shall be made with the equipment (heat treatment furnace and any ancillary devices, if applicable) either in situ in its operating position in the plant or in the manufacturer's works In either case the equipment shall have been installed in accordance with the manufacturer's instructions before the test commences (see clause 7) BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Emission sound pressure level determination 6.1 Basic international standards to be used A-weighted emission sound pressure levels and - if required - C-weighted peak emission sound pressure levels shall be determined in accordance with one of the following basic noise emission standards: EN ISO 11201 (grade 2: engineering); EN ISO 11202 (grade 3: survey; with an environmental correction); EN ISO 11204 (grade or grade 3; with an environmental correction) Grade (engineering) methods shall be used whenever possible 6.2 Selection of relevant work stations The manufacturer shall indicate on his design drawings and in the information for use the positions of the relevant work stations, if they exist When the work station is undefined, sound pressure levels shall be measured at a distance of m from the surface of the machinery - this includes also ancillary devices (noise source), such as charging/discharging points, burners, exhaust equipment, pumps - and a height of 1,6 m above the floor or access platform The position and value of the maximum sound pressure level shall be indicated NOTE 6.3 Annex A gives an example of a gas fired heat treatment furnace (continuous type) Measurement procedure The noise measurements shall be made with the equipment (heat treatment furnace and any ancillary devices, if applicable) either in situ in its operating position in the plant or in the manufacturer's works In either case the equipment shall have been installed in accordance with the manufacturer's instructions before the test commences (see clause 7) NOTE Annex A gives an example of a gas fired heat treatment furnace (continuous type) Installation and mounting conditions The installation and mounting conditions shall be those recommended by the manufacturer The installation and mounting conditions shall be the same for the determination of both sound power level and emission sound pressure levels at work stations and for declaration purposes The machine shall be placed on a reflecting floor and, if possible, as far as possible from any other reflecting surface or object NOTE Care should be taken to ensure that any electrical conduits, piping or air ducts connected to the equipment not radiate significant amounts of sound into the test environment, if they are not part of the equipment The determination of sound power levels with the machine mounted on a reflecting floor and close to a wall is not recommended but permitted if there is no other way to carry out the measurement and if the wall is acoustically reflective In this case, requirements given in !prEN ISO 3744" regarding sound power determination in the presence of two reflective planes shall be applied BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Operating conditions The measuring object is the equipment in a normal nominal operating condition with the product to be produced, processed or machined Ancillary devices which are integrated in the machine and are essential for its operation such as charging or discharging devices are considered to be part of the machine The equipment (and any applicable ancillary equipment) shall be installed and mounted in accordance with the manufacturers written instructions The operating condition shall be selected in such a way that in the course of the measurement all characteristic noises that are emitted during normal operation of the equipment and that can be assigned to it are detected In case of different working processes that together constitute a characteristic working cycle, it is this cycle that is defined as the operating condition Noise emission values shall be determined over at least one working cycle of the equipment (testing period) Operating conditions shall be the same for the determination of both sound power level and emission sound pressure levels at work stations and for declaration purposes Noise reduction features, which are part of the equipment, shall be in place during the measurement Measurement uncertainties As long as no standard deviation of reproducibility and uncertainty for the industrial thermoprocessing equipment and associated equipment is known, the uncertainty, proposed in EN ISO 4871 Annex A, should be used: for measurement with grade KpA = KWA = dB for measurement with grade KpA = KWA = dB 10 Information to be recorded The information to be recorded shall include all the information required by the basic noise emission standards used for the sound source under test: acoustic environment, instrumentation, acoustical data 11 Information to be reported The information to be reported shall include all the information required by the noise emission standards used for the sound source under test i.e equipment characteristics; reference to this noise test code and to the basic noise emission standards that have been used; measured noise emission values; location of the work stations or other specified positions; description of mounting and operating conditions; if appropriate, it shall be confirmed that all specifications given in this noise test code and in the basic noise emission standards used have been strictly fulfilled BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) An example of a typical reporting sheet is given in Annex B 12 Declaration and verification of noise emission values !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 4871:1996." The A-weighted emission sound pressure level and the A-weighted sound power level and - if relevant - the Cweighted peak emission sound pressure levels LpCpeak at the work stations shall be declared Because operating and mounting conditions, and positions of work stations, are not fully specified in this noise test code, detailed information on them shall be given in the test report and in the noise declaration For the uncertainties see clause The noise declaration shall explicitly mention the fact that the noise emission values have been obtained according to this noise test code and indicate which basic standards have been used If this statement is not true, the noise declaration shall indicate clearly what the deviations are from this noise test code and/or from the basic standards If undertaken, a verification shall be conducted by using the same mounting, installation and operating conditions as those used for the initial determination of noise emission values Additional noise emission quantities such as sound power levels in octave bands etc may also be given in the noise declaration In this case, care shall be taken to avoid confusion between these additional noise emission data and the declared dual-number noise emission values Figure shows an example of a dual-number noise declaration The given values are only for illustration 10 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Equipment xxxx, Model Number yyyy, and other identifying information Declared Dual-Number Noise Emission Values according to EN ISO 4871 DECLARED A-WEIGHTED EMISSION SOUND PRESSURE LEVEL AT THE WORK STATION: Measured value : LpA = 87 dB (re 20 µPa) Uncertainty KpA = dB DECLARED A-WEIGHTED SOUND POWER LEVEL: Measured value : LWA = 108 dB (re pW) Uncertainty KWA = dB Values determined according to noise test code EN 1547 and noise measurement standards EN xxxx and EN xxxx Details of operating conditions: (Date) Details of work station positions: (Date) 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 Figure — Example of dual-number noise declaration 11 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Annex A (informative) Examples of a gas-fired heat treatment furnace (continuous type) • charging • weighing • ancillary equipment (A) (K) exhaust • • • • (B) (C) (D) (E) (F) (G) (H) (I) discharging weighing inspection ancillary equipment (J) gas burner positions INPUT OUTPUT Position (A) and (B), and (I) and (J) of the gas burner, can be ignored if provision of ancillary equipment is not part of the manufacturer's contract or order Position (K) exhaust exit 12 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) Annex B (informative) An example of information to be reported; Noise Test Form equipment description: model-no.: serial-no.: date of test: signature/verification authority: In situ/manufacturer's works (delete as appropriate) tested to: and basic noise measurement standards Noise test code EN 1547 EN EN equipment/operating conditions Measurement results at the different positions A, B, C, Determination of the A-weighted sound power level according to − A-weighted sound power level − for the working cycle LWA − A-weighted surface sound pressure level − for the working cycle = dB * L pA = dB Determination of the A-weighted and C-weighted peak emission sound pressure levels at the work station according to * only for enveloping surface methods 13 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) − A-weighted emission sound pressure level − for the working cycle LpA = dB − C-weighted peak emission sound pressure level = dB (if relevant) LpCpeak − Impulsiveness (see EN ISO 11201) LpAIeq - LpAeq = …… dB (optional) − Frequency analysis (optional) Possible deviations from the noise test code EN 1547 or from the basic noise emission standards used: • charging • weighing • ancillary equipment INPUT Gas fired heat treatment furnaces • • • • discharging weighing inspection ancillary equipment OUTPUT INSTRUCTIONS TO TESTER: Write on this diagram the position(s) and the letter (A, B, C etc ) for each of the noise tests carried out (see Annex A for further information) 14 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (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 one means of conforming to Essential Requirements of the New Approach Directive Machinery 98/37/EC, amended by Directive 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." 15 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (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 one means of conforming to Essential Requirements of the New Approach Directive 2006/42/EC on machinery 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." 16 BS EN 1547:2001+A1:2009 EN 1547:2001+A1:2009 (E) !Bibliography [1] EN 61672-1, Electroacoustics — Sound level meters — Part 1: Specifications (IEC 61672-1:2002) [2] EN 61672-2, Electroacoustics — Sound level meters — Part 2: Pattern evaluation tests (IEC 616722:2003) [3] EN ISO 12100-1:2003, Safety of machinery — Basic concepts, general principles for design — Part 1: Basic terminology, methodology (ISO 12100-1:2003) [4] EN ISO 12100-2:2003, Safety of machinery — Basic concepts, general principles for design — Part 2: Technical principles (ISO 12100-2:2003)" 17 BS EN 1547:2001 +A1:2009 BSI - 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