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Marine & Offshore Division 92571 Neuilly-sur-Seine Cedex- France Tel: + 33 (0)1 55 24 70 00 - Fax: + 33 (0)1 55 24 70 25 Marine Website: http://www.veristar.com Email: [email protected] © 2014 Bureau Veritas - All rights reserved PART E – Additional Class Notations Chapters 6 – 7 – 8 – 9 – 10 NR 467.E2 DT R07 E July 2014 Rules for the Classification of Steel Ships

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  • Marine & Offshore Division92571 Neuilly-sur-Seine Cedex- France

    Tel: + 33 (0)1 55 24 70 00 - Fax: + 33 (0)1 55 24 70 25Marine Website: http://www.veristar.comEmail: [email protected]

    2014 Bureau Veritas - All rights reserved

    PART E Additional Class Notations

    Chapters 6 7 8 9 10

    NR 467.E2 DT R07 E July 2014

    Rules for the Classification ofSteel Ships

  • ARTICLE 11.1. - BUREAU VERITAS is a Society the purpose of whose Marine & Offshore Division (the "Society") isthe classification (" Classification ") of any ship or vessel or offshore unit or structure of any type or part ofit or system therein collectively hereinafter referred to as a "Unit" whether linked to shore, river bed or seabed or not, whether operated or located at sea or in inland waters or partly on land, including submarines,hovercrafts, drilling rigs, offshore installations of any type and of any purpose, their related and ancillaryequipment, subsea or not, such as well head and pipelines, mooring legs and mooring points or otherwiseas decided by the Society.The Society: "prepares and publishes Rules for classification, Guidance Notes and other documents (" Rules "); "issues Certificates, Attestations and Reports following its interventions (" Certificates "); "publishes Registers.1.2. - The Society also participates in the application of National and International Regulations or Stand-ards, in particular by delegation from different Governments. Those activities are hereafter collectively re-ferred to as " Certification ".1.3. - The Society can also provide services related to Classification and Certification such as ship andcompany safety management certification; ship and port security certification, training activities; all activi-ties and duties incidental thereto such as documentation on any supporting means, software, instrumen-tation, measurements, tests and trials on board.1.4. - The interventions mentioned in 1.1., 1.2. and 1.3. are referred to as " Services ". The party and/or itsrepresentative requesting the services is hereinafter referred to as the " Client ". The Services are pre-pared and carried out on the assumption that the Clients are aware of the International Maritimeand/or Offshore Industry (the "Industry") practices.1.5. - The Society is neither and may not be considered as an Underwriter, Broker in ship's sale or char-tering, Expert in Unit's valuation, Consulting Engineer, Controller, Naval Architect, Manufacturer, Ship-builder, Repair yard, Charterer or Shipowner who are not relieved of any of their expressed or impliedobligations by the interventions of the Society.ARTICLE 22.1. - Classification is the appraisement given by the Society for its Client, at a certain date, following sur-veys by its Surveyors along the lines specified in Articles 3 and 4 hereafter on the level of compliance ofa Unit to its Rules or part of them. This appraisement is represented by a class entered on the Certificatesand periodically transcribed in the Society's Register.2.2. - Certification is carried out by the Society along the same lines as set out in Articles 3 and 4 hereafterand with reference to the applicable National and International Regulations or Standards.2.3. - It is incumbent upon the Client to maintain the condition of the Unit after surveys, to presentthe Unit for surveys and to inform the Society without delay of circumstances which may affect thegiven appraisement or cause to modify its scope.2.4. - The Client is to give to the Society all access and information necessary for the safe and efficientperformance of the requested Services. The Client is the sole responsible for the conditions of presenta-tion of the Unit for tests, trials and surveys and the conditions under which tests and trials are carried out. ARTICLE 33.1. - The Rules, procedures and instructions of the Society take into account at the date of theirpreparation the state of currently available and proven technical knowledge of the Industry. Theyare a collection of minimum requirements but not a standard or a code of construction neither aguide for maintenance, a safety handbook or a guide of professional practices, all of which areassumed to be known in detail and carefully followed at all times by the Client.Committees consisting of personalities from the Industry contribute to the development of those docu-ments.3.2. - The Society only is qualified to apply its Rules and to interpret them. Any reference to themhas no effect unless it involves the Society's intervention.3.3. - The Services of the Society are carried out by professional Surveyors according to the applicableRules and to the Code of Ethics of the Society. Surveyors have authority to decide locally on matters re-lated to classification and certification of the Units, unless the Rules provide otherwise. 3.4. - The operations of the Society in providing its Services are exclusively conducted by way of ran-dom inspections and do not in any circumstances involve monitoring or exhaustive verification.ARTICLE 44.1. - The Society, acting by reference to its Rules: "reviews the construction arrangements of the Units as shown on the documents presented by the Cli-

    ent; "conducts surveys at the place of their construction; "classes Units and enters their class in its Register; "surveys periodically the Units in service to note that the requirements for the maintenance of class are

    met. The Client is to inform the Society without delay of circumstances which may cause the date or theextent of the surveys to be changed.ARTICLE 55.1. - The Society acts as a provider of services. This cannot be construed as an obligation bearingon the Society to obtain a result or as a warranty.5.2. - The certificates issued by the Society pursuant to 5.1. here above are a statement on the levelof compliance of the Unit to its Rules or to the documents of reference for the Services provided for.In particular, the Society does not engage in any work relating to the design, building, productionor repair checks, neither in the operation of the Units or in their trade, neither in any advisory serv-ices, and cannot be held liable on those accounts. Its certificates cannot be construed as an im-plied or express warranty of safety, fitness for the purpose, seaworthiness of the Unit or of its valuefor sale, insurance or chartering.5.3. - The Society does not declare the acceptance or commissioning of a Unit, nor of its construc-tion in conformity with its design, that being the exclusive responsibility of its owner or builder. 5.4. - The Services of the Society cannot create any obligation bearing on the Society or constitute anywarranty of proper operation, beyond any representation set forth in the Rules, of any Unit, equipment ormachinery, computer software of any sort or other comparable concepts that has been subject to any sur-vey by the Society.

    ARTICLE 66.1. - The Society accepts no responsibility for the use of information related to its Services which was notprovided for the purpose by the Society or with its assistance.6.2. - If the Services of the Society or their omission cause to the Client a damage which is provedto be the direct and reasonably foreseeable consequence of an error or omission of the Society,its liability towards the Client is limited to ten times the amount of fee paid for the Service havingcaused the damage, provided however that this limit shall be subject to a minimum of eight thou-sand (8,000) Euro, and to a maximum which is the greater of eight hundred thousand (800,000)Euro and one and a half times the above mentioned fee. These limits apply regardless of fault in-cluding breach of contract, breach of warranty, tort, strict liability, breach of statute, etc.The Society bears no liability for indirect or consequential loss whether arising naturally or not asa consequence of the Services or their omission such as loss of revenue, loss of profit, loss of pro-duction, loss relative to other contracts and indemnities for termination of other agreements.6.3. - All claims are to be presented to the Society in writing within three months of the date when the Serv-ices were supplied or (if later) the date when the events which are relied on of were first known to the Client,and any claim which is not so presented shall be deemed waived and absolutely barred. Time is to be in-terrupted thereafter with the same periodicity. ARTICLE 77.1. - Requests for Services are to be in writing.7.2. - Either the Client or the Society can terminate as of right the requested Services after givingthe other party thirty days' written notice, for convenience, and without prejudice to the provisionsin Article 8 hereunder. 7.3. - The class granted to the concerned Units and the previously issued certificates remain valid until thedate of effect of the notice issued according to 7.2. here above subject to compliance with 2.3. here aboveand Article 8 hereunder.7.4. - The contract for classification and/or certification of a Unit cannot be transferred neither assigned.ARTICLE 88.1. - The Services of the Society, whether completed or not, involve, for the part carried out, the paymentof fee upon receipt of the invoice and the reimbursement of the expenses incurred.8.2. - Overdue amounts are increased as of right by interest in accordance with the applicable leg-islation.8.3. - The class of a Unit may be suspended in the event of non-payment of fee after a first unfruitfulnotification to pay.ARTICLE 99.1. - The documents and data provided to or prepared by the Society for its Services, and the informationavailable to the Society, are treated as confidential. However: "Clients have access to the data they have provided to the Society and, during the period of classifica-

    tion of the Unit for them, to the classification file consisting of survey reports and certificates which have been prepared at any time by the Society for the classification of the Unit ;

    "copy of the documents made available for the classification of the Unit and of available survey reports can be handed over to another Classification Society, where appropriate, in case of the Unit's transfer of class;

    "the data relative to the evolution of the Register, to the class suspension and to the survey status of the Units, as well as general technical information related to hull and equipment damages, may be passed on to IACS (International Association of Classification Societies) according to the association working rules;

    "the certificates, documents and information relative to the Units classed with the Society may be reviewed during certificating bodies audits and are disclosed upon order of the concerned governmen-tal or inter-governmental authorities or of a Court having jurisdiction.

    The documents and data are subject to a file management plan.ARTICLE 1010.1. - Any delay or shortcoming in the performance of its Services by the Society arising from an eventnot reasonably foreseeable by or beyond the control of the Society shall be deemed not to be a breach ofcontract.ARTICLE 1111.1. - In case of diverging opinions during surveys between the Client and the Society's surveyor, the So-ciety may designate another of its surveyors at the request of the Client. 11.2. - Disagreements of a technical nature between the Client and the Society can be submitted by theSociety to the advice of its Marine Advisory Committee.ARTICLE 1212.1. - Disputes over the Services carried out by delegation of Governments are assessed within theframework of the applicable agreements with the States, international Conventions and national rules.12.2. - Disputes arising out of the payment of the Society's invoices by the Client are submitted to the Courtof Nanterre, France, or to another Court as deemed fit by the Society.12.3. - Other disputes over the present General Conditions or over the Services of the Society areexclusively submitted to arbitration, by three arbitrators, in London according to the ArbitrationAct 1996 or any statutory modification or re-enactment thereof. The contract between the Societyand the Client shall be governed by English law.ARTICLE 1313.1. - These General Conditions constitute the sole contractual obligations binding together theSociety and the Client, to the exclusion of all other representation, statements, terms, conditionswhether express or implied. They may be varied in writing by mutual agreement. They are not var-ied by any purchase order or other document of the Client serving similar purpose.13.2. - The invalidity of one or more stipulations of the present General Conditions does not affect the va-lidity of the remaining provisions. 13.3. - The definitions herein take precedence over any definitions serving the same purpose which mayappear in other documents issued by the Society.

    BV Mod. Ad. ME 545 L - 7 January 2013

    MARINE & OFFSHORE DIVISIONGENERAL CONDITIONS

  • RULES FOR THE CLASSIFICATION OF SHIPS

    Part EAdditional Class Notations

    Chapters 1 2 3 4 5 6 7 8 9 10

    Chapter 1 VeriSTAR SYSTEM (STAR)

    Chapter 2 AVAILABILITY OF MACHINERY (AVM)

    Chapter 3 AUTOMATION SYSTEMS (AUT)

    Chapter 4 INTEGRATED SHIP SYSTEMS (SYS)

    Chapter 5 MONITORING EQUIPMENT (MON)

    Chapter 6 COMFORT ON BOARD (COMF)

    Chapter 7 REFRIGERATING INSTALLATIONS (REF)

    Chapter 8 ICE CLASS (ICE)

    Chapter 9 POLLUTION PREVENTION (CLEANSHIP)

    Chapter 10 OTHER ADDITIONAL CLASS NOTATIONS

    July 2014

  • The English wording of these rules take precedence over editionsin other languages.

    Unless otherwise specified, these rules apply to ships for which contracts aresigned after July 1st, 2014. The Society may refer to the contents hereofbefore July 1st, 2014, as and when deemed necessary or appropriate.

    2 Bureau Veritas July 2014

  • CHAPTER 6COMFORT ON BOARD (COMF)

    Section 1 General Requirements

    1 General 25

    1.1 Application1.2 Basic principles1.3 Regulations, Standards1.4 Definitions1.5 Document to be submitted

    2 Conditions of attribution 26

    2.1 Measurements2.2 Determination of comfort rating number2.3 Measuring locations

    3 Testing conditions 27

    3.1 General3.2 Harbour test conditions3.3 Sea trial conditions

    Section 2 Additional Requirements for Ships of Less than 1600 GT

    1 General 29

    1.1 Application

    2 COMF-NOISE 29

    2.1 Measurement procedure2.2 Noise levels2.3 Sound insulation measurements

    3 COMF-VIB 30

    3.1 Measurement procedure3.2 Vibration levels

    Section 3 Additional Requirements for Ships Greater than or Equal to 1600 GT - Crew Areas

    1 General 32

    1.1 Application

    2 COMF-NOISE 32

    2.1 Measurement procedure2.2 Noise levels2.3 Sound insulation measurements

    3 COMF-VIB 32

    3.1 Measurement procedure3.2 Vibration levels

    July 2014 Bureau Veritas 3

  • Section 4 Additional Requirements for Ships Greater than or Equal to 1600 GT - Passenger Areas

    1 General 35

    1.1 Application

    2 COMF-NOISE 35

    2.1 Measurement procedure2.2 Noise levels2.3 Sound insulation measurements2.4 Impact measurements

    3 COMF-VIB 36

    3.1 Measurement procedure3.2 Vibration levels

    Section 5 Additional Requirements for Yachts

    1 General 38

    1.1 Application

    2 COMF-NOISE 38

    2.1 Measurement procedure2.2 Noise levels2.3 Sound insulation measurements2.4 Impact measurements

    3 COMF-VIB 39

    3.1 Measurement procedure3.2 Vibration levels

    4 COMF + 40

    4.1 Application4.2 Data processing - Analysis4.3 Measurement procedure4.4 COMF + Sound insulation index4.5 COMF + Impact index4.6 COMF + Emergence4.7 COMF + intermittent noise4.8 COMF + intelligibility

    4 Bureau Veritas July 2014

  • CHAPTER 7REFRIGERATING INSTALLATIONS (REF)

    Section 1 General Requirements

    1 General 45

    1.1 Application1.2 Temperature conditions1.3 Definitions

    2 Design criteria 46

    2.1 Reference conditions

    3 Documentation 46

    3.1 Refrigerating installations3.2 Controlled atmosphere installations

    4 General technical requirements 46

    4.1 Refrigeration of chambers4.2 Defrosting4.3 Prime movers and sources of power4.4 Pumps4.5 Sea connections 4.6 Refrigerating machinery spaces4.7 Exemptions for small plants4.8 Personnel safety

    5 Refrigerated chambers 48

    5.1 Construction of refrigerated chambers 5.2 Penetrations5.3 Access to refrigerated spaces5.4 Insulation of refrigerated chambers 5.5 Protection of insulation5.6 Miscellaneous requirements 5.7 Installation of the insulation5.8 Drainage of refrigerated spaces

    6 Refrigerants 50

    6.1 General6.2 Rated working pressures

    7 Refrigerating machinery and equipment 51

    7.1 General requirements for prime movers7.2 Common requirements for compressors7.3 Reciprocating compressors7.4 Screw compressor bearings7.5 Pressure vessels7.6 General requirements for piping7.7 Accessories7.8 Refrigerating plant overpressure protection

    8 Specific requirements for direct and indirect refrigerating systems 53

    8.1 Specific requirements for refrigerating systems8.2 Specific requirements for air cooling systems and distribution and renewal of air

    in cargo spaces

    July 2014 Bureau Veritas 5

  • 9 Instrumentation, alarm, monitoring 54

    9.1 General9.2 Instrumentation, alarm and monitoring arrangement

    10 Material tests, inspection and testing, certification 55

    10.1 Material testing10.2 Shop tests10.3 Pressure tests at the workshop10.4 Thermometers and manometers10.5 Shipboard tests10.6 Defrosting system

    Section 2 Additional Requirements for Notation REF-CARGO

    1 General 57

    1.1 Application1.2 Refrigeration of cargo spaces1.3 Heating

    2 Refrigerated cargo spaces 57

    2.1 Insulation

    3 Instrumentation 57

    3.1 Thermometers in cargo spaces

    4 Additional requirements for AIR-CONT notation 58

    4.1 General4.2 Controlled atmosphere cargo spaces and adjacent spaces4.3 Gas systems4.4 Miscellaneous equipment4.5 Gas detection and monitoring equipment4.6 Instrumentation, alarm and monitoring arrangement4.7 Safety4.8 Tests and trials

    5 Additional requirements for notations PRECOOLING and QUICKFREEZE 63

    5.1 General5.2 Shipboard tests

    Section 3 Additional Requirements for Notation REF-CONT

    1 General 64

    1.1 Application

    2 Refrigerating plants supplying refrigerated air to containers 64

    2.1 Definitions2.2 Cold distribution2.3 Equipment and systems2.4 Thermometers2.5 Workshop and shipboard inspections and tests2.6 Temperature measuring and recording devices2.7 Shipboard tests

    6 Bureau Veritas July 2014

  • 3 Ships supplying electrical power to self-refrigerated containers 67

    3.1 Electrical equipment3.2 Installation of containers

    Section 4 Additional Requirements for Notation REF-STORE

    1 General 68

    1.1 Application

    July 2014 Bureau Veritas 7

  • CHAPTER 8ICE CLASS (ICE)

    Section 1 General

    1 General 71

    1.1 Application1.2 Owners responsibility

    2 Ice class draughts and ice thickness 71

    2.1 Definitions2.2 Draught limitations in ice2.3 Ice thickness

    3 Output of propulsion machinery 72

    3.1 Required engine output for ICE CLASS IA SUPER, ICE CLASS IA, ICE CLASS IB and ICE CLASS IC

    Section 2 Hull and Stability

    1 General 75

    1.1 Application1.2 Hull regions1.3 Ice strengthened area

    2 Structure design principles 76

    2.1 General framing arrangement2.2 Transverse framing arrangement2.3 Bilge keels

    3 Design loads 77

    3.1 General3.2 Ice loads

    4 Hull scantlings 79

    4.1 Plating4.2 Ordinary stiffeners4.3 Primary supporting members

    5 Other structures 81

    5.1 Application5.2 Fore part5.3 Aft part5.4 Deck strips and hatch covers5.5 Sidescuttles and freeing ports

    6 Hull outfitting 82

    6.1 Rudders and steering arrangements6.2 Bulwarks

    8 Bureau Veritas July 2014

  • Section 3 Machinery

    1 Requirements for propulsion machinery of the class notation ICE CLASS IA SUPER, ICE CLASS IA, ICE CLASS IB and ICE CLASS IC 84

    1.1 Scope1.2 Design ice conditions1.3 Materials1.4 Design loads1.5 Propeller blade design1.6 Controllable pitch propeller1.7 Propulsion line design1.8 Coupling1.9 Gear1.10 Chockfast calculation1.11 Azimuthing main propulsors1.12 Vibrations

    2 Requirements for propulsion machinery of ICE CLASS ID 96

    2.1 Ice torque2.2 Propellers2.3 Shafting

    3 Miscellaneous requirements 97

    3.1 Starting arrangements3.2 Sea inlets, ballast systems and cooling water systems of machinery3.3 Steering gear3.4 Fire pumps3.5 Transverse thrusters

    July 2014 Bureau Veritas 9

  • CHAPTER 9POLLUTION PREVENTION (CLEANSHIP)

    Section 1 General Requirements

    1 Scope and application 101

    1.1 General1.2 Applicable rules and regulations

    2 Definitions and abbreviations 102

    2.1 Definitions related to sea pollution2.2 Definitions related to air pollution2.3 Abbreviations

    3 Documents to be submitted and applicable standards 103

    3.1 Documents to be submitted3.2 Modifications and additions

    Section 2 Design Requirements for the Notations CLEANSHIP and CLEANSHIP SUPER

    1 General 108

    1.1 Application1.2 Documents to be submitted

    2 Design requirements for the additional class notation CLEANSHIP 108

    2.1 Waste management2.2 Oily wastes2.3 Wastewaters2.4 Garbage and hazardous wastes2.5 Hull antifouling systems2.6 Prevention of pollution by oil spillage and leakage2.7 Refrigeration systems2.8 Fire-fighting systems2.9 Emission of nitrogen oxides (NOx)2.10 Emission of sulphur oxides (SOx)

    3 Additional design requirements for the additional class notation CLEANSHIP SUPER 113

    3.1 Waste minimization and recycling program3.2 Oily wastes3.3 Wastewaters3.4 Food wastes3.5 Prevention of pollution by oil spillage and leakage3.6 Protection against oil pollution in the event of collision or grounding3.7 Prevention of air pollution3.8 Monitoring and recording systems

    10 Bureau Veritas July 2014

  • Section 3 Design Requirements for the Pollution Prevention Notations other than CLEANSHIP and CLEANSHIP SUPER

    1 General 115

    1.1 Application1.2 Documents to be submitted

    2 Additional class notation AWT 115

    2.1 Scope2.2 Definitions and abbreviations2.3 Design of the AWT plant

    3 Additional class notation BWE 116

    3.1 Scope3.2 Design requirements

    4 Additional class notation BWT 116

    4.1 Scope4.2 Design and installation requirements

    5 Additional class notation GWT 116

    5.1 Scope5.2 Design of the grey water treatment plant

    6 Additional class notation NDO-x days 117

    6.1 Scope6.2 Design requirements

    7 Additional class notation NOX-x% 117

    7.1 Scope7.2 Design requirements

    8 Additional class notation OWS-x ppm 118

    8.1 Scope8.2 Design requirements

    9 Additional class notation SOX-x% 118

    9.1 Scope9.2 Design requirements

    10 Additional class notation EGCS-SCRUBBER 118

    10.1 Scope10.2 Design and installation requirements

    Section 4 Onboard Surveys

    1 Application 119

    1.1

    2 Periodical tests and measurements done by the shipowner 119

    2.1 General2.2 Initial period2.3 Periodical tests after first year of service

    July 2014 Bureau Veritas 11

  • 3 Periodical surveys 120

    3.1 Initial survey3.2 Periodical survey

    12 Bureau Veritas July 2014

  • CHAPTER 10OTHER ADDITIONAL CLASS NOTATIONS

    Section 1 Strengthened Bottom (STRENGTHBOTTOM)

    1 General 123

    1.1 Application1.2 General bottom arrangement

    2 Primary supporting members arrangement 124

    2.1 Ships with a longitudinally framed bottom2.2 Ships with a transversely framed bottom

    3 Bottom scantlings 124

    3.1 Plating3.2 Ordinary stiffeners3.3 Primary supporting members

    Section 2 Grab Loading (GRABLOADING)

    1 General 125

    1.1 Application

    2 Scantlings 125

    2.1 Inner bottom plating

    Section 3 In-Water Survey Arrangements (INWATERSURVEY)

    1 General 126

    1.1 Application1.2 Documentation to be submitted

    2 Structure design principles 126

    2.1

    3 Sea inlets and cooling water systems of machinery 126

    3.1

    Section 4 Single Point Mooring (SPM)

    1 General 127

    1.1 Application

    2 Documentation 127

    2.1 Documentation for approval2.2 Documentation for information

    July 2014 Bureau Veritas 13

  • 3 General arrangement 127

    3.1 General provision3.2 Typical layout3.3 Equipment

    4 Number and safe working load of chain stoppers 128

    4.1 General

    5 Mooring components 128

    5.1 Bow chain stopper5.2 Bow fairleads5.3 Pedestal roller fairleads5.4 Winches or capstans

    6 Supporting hull structures 130

    6.1 General

    7 Strength criteria 130

    7.1 General

    Section 5 Container Lashing Equipment (LASHING)

    1 General 131

    1.1 Application1.2 Documents and information1.3 Materials

    2 Arrangement of containers 132

    2.1 General2.2 Stowage in holds within cell guides2.3 Stowage in holds without cell guides2.4 Stowage on exposed deck 2.5 Uniform line load stowage on deck or hatch covers

    3 Approval of the fixed and portable lashing equipment 134

    3.1 General3.2 Type tests3.3 Additional functional test for fully automatic twistlocks3.4 Inspection at works of the fixed and portable lashing equipment3.5 Reception on board of the lashing equipment

    4 Forces applied to containers 138

    4.1 General4.2 Definitions4.3 Still water and inertial forces4.4 Wind forces4.5 Forces imposed by lashing and securing arrangements4.6 Buoyancy force

    5 Resulting loads in lashing equipment and container frames 140

    5.1 Calculation hypothesis5.2 Distribution of forces5.3 Containers only secured by locking devices5.4 Containers secured by means of lashing devices or buttresses5.5 Stiffness values

    14 Bureau Veritas July 2014

  • 6 Strength criteria 142

    6.1 Maximum stack weight6.2 Permissible loads on containers 6.3 Permissible loads induced by lashing on container corners 6.4 Permissible loads on lashing equipment 6.5 Permissible stress on cell guides

    7 Lashing software 143

    7.1 General7.2 Requirements for lashing software7.3 Approval of a lashing software

    Section 6 Dynamic Positioning (DYNAPOS)

    1 General 145

    1.1 Application1.2 Definitions1.3 Dynamic positioning sub-systems1.4 Additional and optional class notation1.5 Installation survey during construction1.6 List of documents to be submitted

    2 Performance analysis 146

    2.1 General2.2 Condition of analysis2.3 Modelling and simulations2.4 Risk analysis

    3 Equipment class 148

    3.1 General3.2 Equipment class according to single failure

    4 Functional requirements 148

    4.1 General4.2 Power system4.3 Monitoring of the electricity production and propulsion4.4 Thruster system4.5 Thruster control4.6 Thruster monitoring and protection4.7 DP Control system4.8 Computers

    5 Position reference system 152

    5.1 General5.2 Arrangement and performance of reference systems5.3 Type of position reference system5.4 Other reference systems5.5 Vessel sensors

    6 Installation requirements 153

    6.1 Cables and piping systems6.2 Thruster location

    7 Operational requirements 155

    7.1 General

    July 2014 Bureau Veritas 15

  • 8 Tests and trials 155

    8.1 Inspection at works8.2 Trials

    9 Environmental station keeping index ESKI 155

    9.1 Definition9.2 Environmental conditions9.3 Condition of ESKI estimation9.4 Documentation to be submitted and example

    Section 7 Vapour Control System (VCS)

    1 General 157

    1.1 Application1.2 Definitions1.3 Documentation to be submitted

    2 Vapour system 157

    2.1 General2.2 Vapour manifold2.3 Vapour hoses2.4 Vapour overpressure and vacuum protection

    3 Instrumentation 160

    3.1 Cargo tank gauging equipment3.2 Cargo tank high level alarms3.3 Cargo tank overfill alarms3.4 High and low vapour pressure alarms

    4 Instruction manual 160

    4.1 General4.2 Content

    5 Testing and trials 161

    5.1 5.2 Shipboard trials

    6 Additional requirements for notation TRANSFER 161

    6.1 Application6.2 Equipment

    Section 8 Cofferdam Ventilation (COVENT)

    1 General 162

    1.1 Application1.2 Documents to be submitted

    2 Design and construction 162

    2.1 Arrangement2.2 Other technical requirements

    3 Inspection and testing 163

    3.1 Equipment and systems3.2 Testing on board

    16 Bureau Veritas July 2014

  • Section 9 Centralised Cargo and Ballast Water Handling Installations (CARGOCONTROL)

    1 General 164

    1.1 Application1.2 Documents to be submitted

    2 Design and construction requirements 164

    2.1 Control station2.2 Remote control, indication and alarm systems

    3 Inspection and testing 165

    3.1 Equipment and systems3.2 Testing on board

    Section 10 Ship Manoeuvrability (MANOVR)

    1 General 166

    1.1 Application1.2 Manoeuvre evaluation

    2 Definitions 166

    2.1 Geometry of the ship2.2 Standard manoeuvres and associated terminology

    3 Requirements 167

    3.1 Foreword3.2 Conditions in which the requirements apply3.3 Criteria for manoeuvrability evaluation

    4 Additional considerations 167

    4.1 Trials in different conditions4.2 Dynamic instability

    Section 11 Cold Weather Conditions

    1 General 168

    1.1 Application1.2 Documentation to be submitted1.3 Testing

    2 Machinery installations 169

    2.1 General2.2 Principles2.3 Design requirements

    3 Electrical installations 170

    3.1 General3.2 System design3.3 Protection

    July 2014 Bureau Veritas 17

  • 4 Additional requirements 170

    4.1 De-icing of deck areas4.2 De-icing tools4.3 Protection of deck machinery4.4 HVAC4.5 Other protections

    5 Specific requirements for COLD (H tDH, E tDE) 171

    5.1 Hull5.2 Stability

    6 Additional requirements for machinery installations for COLD (H tDH, E tDE) 171

    6.1 General6.2 Principles6.3 Design requirements

    7 Additional requirements for electrical installations, navigation and communication equipment for COLD (H tDH, E tDE) 172

    7.1 General7.2 Cableways supports7.3 Navigation and communication equipment7.4 Others protections

    8 Additional requirements for COLD CARGO 173

    8.1 General8.2 Arrangements8.3 Design and arrangement of the cargo heating means8.4 Risk analysis8.5 Materials

    Section 12 Efficient Washing of Cargo Tanks (EWCT)

    1 General 175

    1.1 Application1.2 Documents to be submitted

    2 Design requirements 175

    2.1 Cargo tanks2.2 Cargo piping system2.3 Cargo tank cleaning system

    Section 13 Protected FO Tanks (PROTECTED FO TANKS)

    1 General 176

    1.1 Application1.2 Definitions

    2 Design requirements 176

    2.1 Distance from the bottom shell plating2.2 Distance from the side shell plating2.3 Oil fuel piping lines2.4 Suction wells

    18 Bureau Veritas July 2014

  • Section 14 Increased Admissible cargo Tank Pressure (IATP)

    1 Application 178

    1.1 Ships covered by this section1.2 Scope

    2 Documentation to be submitted 178

    2.1 Drawings and documents to be submitted to the Society

    3 Definitions 178

    3.1

    4 General design requirements 178

    4.1 Ship design4.2 Cargo tanks pressure relieving system4.3 Boil-off gas management system

    5 Control, monitoring and safety systems 179

    5.1 Cargo tanks pressure alarms5.2 Indication of the cargo tanks pressure setting

    6 Other 180

    6.1 Shop and gas trials6.2 Ship to ship transfer

    Section 15 Enhanced Fire Protection for Cargo Ships and Tankers (EFP-AMC)

    1 General 181

    1.1 Application

    2 Protection of accommodation spaces (EFP-A) 181

    2.1 Application2.2 Prevention of fire2.3 Detection and alarm2.4 Containment of fire2.5 Escape

    3 Protection of machinery spaces (EFP-M) 182

    3.1 Application3.2 Machinery spaces general arrangement3.3 Detection and alarm3.4 Ventilation system3.5 Local application system3.6 Escape3.7 Centralized fire control station

    4 Protection of cargo decks and cargo spaces (EFP-C) 182

    4.1 Cargo ships4.2 Ro-ro cargo ships4.3 Oil tankers, FLS tankers and chemical tankers4.4 Liquefied gas carriers

    July 2014 Bureau Veritas 19

  • Section 16 SINGLEPASSLOADING

    1 General 185

    1.1 Application1.2 Definitions

    2 Documentation to be submitted 185

    2.1 Design loading rate2.2 Loading sequences2.3 Hold mass curves

    3 Loading instrument and alternative loading 186

    3.1 Loading instrument3.2 Alternative loading

    4 Hull requirements 186

    4.1 General4.2 Hull structure4.3 Control and monitoring

    5 System requirements 186

    5.1 General5.2 Ballast piping5.3 Control and monitoring

    Section 17 Bow and Stern Loading / Unloading Systems

    1 General 187

    1.1 Application1.2 Class notations1.3 Scope of classification1.4 Definitions1.5 Documents to be submitted1.6 Operating Manual

    2 Materials 188

    2.1 General

    3 General design 188

    3.1 Mooring system3.2 Cargo piping system3.3 Ventilation 3.4 Hazardous areas and electrical installations3.5 Positioning3.6 Emergency Disconnection System (EDS)3.7 Control station3.8 Communications3.9 Safety features

    20 Bureau Veritas July 2014

  • Section 18 Supply at Sea (SAS)

    1 General 190

    1.1 Application1.2 Documents to be submitted1.3 Definitions

    2 Design and construction 191

    2.1 SAS equipment2.2 Steering capability

    3 Arrangement and installation 192

    3.1 General3.2 Arrangement of SAS stations3.3 SAS control station arrangement3.4 Communication3.5 Fluid transfer3.6 Solid transfer3.7 Electrical installation

    4 Certification, inspection and testing 194

    4.1 Type approval procedure4.2 Inspection at works of the SAS equipment4.3 Prototype tests4.4 Tests on board

    Section 19 Permanent Means of Access (ACCESS)

    1 General 196

    1.1 Application1.2 Definitions

    July 2014 Bureau Veritas 21

  • 22 Bureau Veritas July 2014

  • Part EService Notations

    Chapter 6

    COMFORT ON BOARD (COMF)

    SECTION 1 GENERAL REQUIREMENTS

    SECTION 2 ADDITIONAL REQUIREMENTS FOR SHIPS OF LESS THAN 1600 GT

    SECTION 3 ADDITIONAL REQUIREMENTS FOR SHIPS GREATER THAN OR EQUAL TO 1600 GT - CREW AREAS

    SECTION 4 ADDITIONAL REQUIREMENTS FOR SHIPS GREATER THAN OR EQUAL TO 1600 GT - PASSENGER AREAS

    SECTION 5 ADDITIONAL REQUIREMENTS FOR YACHTS

    July 2014 Bureau Veritas 23

  • Symbols used in this Chapter

    NCR : Normal continuous rating of the propulsionMCR : Maximum continuous rating of the propulsiondB : Decibel, unit of sound pressure level compared

    to the reference pressure level (2 10-5 Pa)dB(A) : (A) weighted global value of the sound pressure

    leveloctave band: Frequency space limited by a given frequency

    and twice this frequency. Third (1/3) octaveband corresponds to a frequency space of 1/3octave. Octave and thirds bands used in acous-tics are standard bands (IEC).

    24 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 1

    SECTION 1 GENERAL REQUIREMENTS

    1 General

    1.1 Application

    1.1.1 The additional class notations COMF-NOISE andCOMF-VIB are assigned, in accordance with Pt A, Ch 1,Sec 2, [6.7] to the following ships: Ships of less than 1600 GT (such as fishing ships, tugs,

    small passenger ships excluding yachts and pleasurecrafts)

    Ships greater than or equal to 1600 GT (such as tankers,container ships, large fishing vessels, cruise ships, fer-ries, ...)

    Yachts.

    The notations COMF-NOISE and COMF-VIB are to be com-pleted as follows: COMF-NOISE x: Comfort with regard to noise criteria

    applicable to specified ship categorywith x = 1, 2 or 3, 1 corresponding to the most com-fortable level for both passenger and crew spaces

    COMF-VIB x: Comfort with regard to vibration criteriaapplicable to specified ship categorywith x = 1, 2 or 3, the overall frequency weighted r.m.s.velocity criteria, 1 corresponding to the most comfort-able level for both passenger and crew spaces, orwith x = 1PK, 2PK or 3PK, for the single amplitude peakvelocity criteria, 1PK corresponding to the most com-fortable level for both passenger and crew spaces.

    The requirements corresponding to those additional classnotations are given in Ch 6, Sec 2 to Ch 6, Sec 5 for eachconcerned ship type.

    The assignment of COMF-NOISE and COMF-VIB are to bedone separately for passenger and crew spaces. COMF Pax deals with passenger comfort:

    COMF-NOISE-Pax x and COMF-VIB-Pax x may begranted accordingly with different grades

    COMF Crew deals with crew comfort:COMF-NOISE-Crew x and COMF-VIB-Crew x may begranted accordingly with different grades.

    1.1.2 High speed crafts which do not have the same kind ofbehaviour in the concerned fields (vibrations and noise) arenot covered by these Rules.

    1.2 Basic principles

    1.2.1 Granting of the comfort grade is made on the basis ofmeasurements performed by an acoustic and vibration spe-cialist from the Society during building stage, sea trials or inservice. However, measurements may be performed byanother acoustic and vibration specialist from external

    company provided that this specialist has duly obtained therelevant delegation from the Society.

    1.2.2 The granting of the comfort grade of a ship cannot bemade on the basis of the measurements performed on anyother ship of the considered series.

    1.2.3 These Rules take into account various InternationalStandards, and are deemed to preserve their general princi-ples.

    1.3 Regulations, Standards

    1.3.1 NoiseThe present Chapter refers to the following standards appli-cable to noise:

    IMO Resolution MSC.338(91), Adoption of amend-ments to the international convention for the safety oflife at sea, 1974

    IMO Resolution MSC.337(91), Adoption of the code onnoise levels on board ships

    ISO 2923, Acoustics - Measurements of noise on boardvessels

    ISO 31/VII, Quantities and units of acoustics

    IEC Publication 61672, Electroacoustics-Sound levelmeters

    IEC Publication 61260, Octave, half-octave and thirdoctave band filters

    IEC Publication 60942, Electroacoustics - Sound cali-brators

    ISO 140, Acoustics - Measurements of sound insulationin buildings and of building elements, namely:

    - Part 7, Field measurements of airborne impact insu-lation of floors

    - Part 14, Guidelines for special situation in the field

    ISO 16283-1, Acoustics - Field measurement of soundinsulation in buildings and of building elements - Part 1:Airborne sound insulation

    ISO 717, Acoustics - Rating of sound insulation inbuildings and of building elements, namely:

    - Part 1, Airborne sound insulation in buildings andinterior elements

    - Part 2, Impact sound insulation

    IEC Publication 60268-16, Sound system equipment -Part 16: Objective rating of speech intelligibility byspeech transmission index

    ISO 1996, Acoustics - Description, measurements andassessment of environmental noise, namely:

    - Part 1, Basic quantities and assessment procedure

    - Part 2, Determination of environmental noise levels.

    July 2014 Bureau Veritas 25

  • Pt E, Ch 6, Sec 1

    1.3.2 Vibration

    The present Chapter refers to the following standards appli-cable to vibration:

    ISO 2041, Vibration and shock - Vocabulary

    ISO 6954:1984, Mechanical vibration and shock -Guidelines for the overall evaluation of vibration in mer-chant ships

    ISO 6954:2000, Mechanical vibration - Guidelines formeasurements, reporting and evaluation of vibrationwith regard to habitability on passenger and merchantships

    ISO 2631, Mechanical vibration and shock- Evaluationof human exposure to whole-body vibration

    ISO 8041, Human response to vibration - Measuringinstrumentation.

    1.4 Definitions

    1.4.1 In addition to the definitions given by IMO for crewspaces and SOLAS for passenger spaces, the following defi-nitions are used in the present Chapter for the concernedships:

    Passenger public spaces

    - Type A public space

    closed rooms normally manned at sea or recrea-tional spaces where noise is generally high (disco-theques)

    - Type B public space

    closed rooms permanently manned at sea wherenoise may be moderately high (restaurants, bars,cinemas, casinos, lounges)

    - Type C public space

    closed rooms permanently manned at sea requiringrelatively low background noise (lecture rooms,libraries, theatres)

    - Type D public space

    closed rooms intermittently used at sea or passageswhich do not require very low background noise(halls, atriums, shops, corridors, staircases, sportrooms, gymnasiums)

    Passenger cabins

    - Cabins are dealt with separately. Distinctionbetween passenger cabins categories is to be madeon the basis of Owner's specifications.

    1.5 Document to be submitted

    1.5.1 Prior to any sea trials, documents are to be submittedin relation with ship categories listed in Tab 1.

    Table 1 : Documents to be submitted

    2 Conditions of attribution

    2.1 Measurements

    2.1.1 Measurements aiming at giving the comfort classnotation have to be performed under the conditions speci-fied in [3].

    2.1.2 Instrumentationa) General

    Measurement and calibration equipments are to meetthe requirements of ISO 2923, IEC 61672-1, IEC 61260and IEC 60942 for noise, and ISO 6954 and ISO 8041for vibration.Sound insulation measurement is to be carried outaccording to ISO 16283-1 and ISO 140-14.

    Impact measurement is to be carried out according toISO 16283-1, ISO 140-7 and ISO 140-14.Noise and vibration calibrators are to be verified at leastevery year. Measuring equipments are to be verified atleast every two years. This verification is to be done by anational standard laboratory or a competent laboratoryaccredited according to ISO 17025 (2005) as correctedby (Cor 1:2006).

    b) Noise measurementsThe instrumentation has to be calibrated in situ, beforeand after the tests.

    c) Vibration measurementsThe instrumentation has to include at least a transducer(accelerometer or velocity transducer) with an appropri-ate amplifier, and a FFT analyser. The instrumentationhas to be calibrated in situ, before and after the tests.Should the vibration measurements be performed on asoft floor, the use of a rigid plate with the person stand-ing on the plate and the accelerometer rigidly fixed onis recommended.

    2.1.3 Data processing - Analysisa) For noise level

    The nominal noise level is evaluated with LAeq,T value.

    LAeq,T (dB (A) re. 20Pa) is the equivalent continuous Aweighted sound pressure level, T greater than 20 sec-onds.

    Results are to be given on a table in global values(dB (A)).

    N0 A/I Document

    1 I General arrangements

    2 A Measurement program: loading conditions propulsion operating conditions other equipment to be run weather conditions measuring instruments

    Note 1:A = to be submitted for approval I = to be submitted for information

    26 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 1

    b) For vibration level

    The criteria of vibration is to be expressed either interms of overall frequency-weighted r.m.s. velocity(mm/s) from 1 to 80Hz as defined by ISO 6954:2000, orsingle frequency amplitude peak velocity from 1 Hz to100 Hz as defined by ISO 6954:1984 with a conversionfactor CF = 1, which leads to:

    2.1.4 When it is not possible for the Society to follow or todo all the required measurements, spot-check is to be per-formed by the Society. This spot-check consists of a cross-comparison between:

    a sample of at least 10% of the measurements providedby the shipyard/external specialist (see Note 1),

    and the corresponding readings obtained during thespot-check measurements.

    This procedure enables the validation of the entire set ofmeasurements provided by the shipyard/external specialist.Note 1: The maximum deviations allowed during the cross-com-parison are 2 dB(A) for noise measurements and 0,5 mm/s for vibra-tion measurements for both single amplitude peak velocity andoverall frequency weighted rms readings.

    2.2 Determination of comfort rating number

    2.2.1 The notation is completed by a grade 1, 2 or 3 whichrepresents the comfort level achieved for the assignment ofthe notation, the grade 1 corresponding to the most com-fortable (highest) class notation.

    Regarding vibration, the notation is completed either by agrade 1, 2 or 3 or by a grade 1PK, 2PK or 3PK according tothe vibration criteria used for the assessment.

    2.2.2 Levels are measured in several locations of eachspace of the ship. The granted comfort class grade is givenon condition that none of the measured levels exceeds thecorresponding requested limits.

    A tolerance on noise levels may be accepted but shall notexceed the following maximum values:

    3 dB(A) for 18% of all measured cabins and 5 dB(A) for2% of all measured cabins (with a minimum of 1 cabin)

    3 dB(A) for 25% of measuring points and 5 dB(A) for 5%of measuring points, in other spaces

    1 dB for 20% of apparent weighted sound reductionindexes R'w and impact noise indexes L'n,w and 2 dBfor 10% of apparent weighted sound reduction indexesR'w and impact noise indexes L'n,w (with a minimumof 1 partition or floor).

    A tolerance on vibration levels may be accepted but shallnot exceed the following maximum values:

    0,3 mm/s for 20% of measuring points in all passengerand crew spaces for overall frequency weighted r.m.s.velocity criteria

    0,5 mm/s for 20% of measuring points in all passengerand crew spaces for single amplitude peak velocity cri-teria.

    2.3 Measuring locations

    2.3.1 The list of measuring points is to be prepared prior tothe tests by the Society or the external company (see[1.2.1]). This list may be adjusted during the tests and cov-ers:

    noise level at harbour conditions (yacht only)

    noise level at sea conditions

    vibration level at sea conditions

    insulation measurements

    impact measurements.

    3 Testing conditions

    3.1 General

    3.1.1 This Article gives the conditions to be fulfilled duringmeasurements. Additional details of these conditions maybe taken from International Standards, respectively:

    IMO Resolution MSC.337(91), ISO 2923 for noise

    ISO 6954 for vibrations.

    3.1.2 Prior to the tests, possible divergence on the requiredconditions may be accepted by the Society. If any, it is to beclearly mentioned in the report.

    3.1.3 The measurement program, has to be approvedbefore the trials (see [1.5.1]). During the tests, some addi-tional measurements may be decided upon request of theSociety.

    3.1.4 During measurements, especially for noise, roomshave to be preferably fully completed (outfitting, furniture,covering...). Measurements may be performed even in anunfinished state, which generally suppose better final results.

    3.2 Harbour test conditions

    3.2.1 Part of the noise measurement tests is to be con-ducted at quay or at anchorage (impact noises, determina-tion of insulation indexes between rooms). For thesespecific tests, no particular conditions concerning output,loading conditions, water depth, weather conditions arerequired.

    3.3 Sea trial conditions

    3.3.1 During the sea trials, propeller output is to corre-spond to the operating conditions specification of the shipand not less than 80% of the maximum continuous rating(MCR).

    In particular, ships which are frequently operated by meansof a Dynamic Positioning system (DP system) shall requireadditional measurements to be performed in DP mode. TheOwner, Shipyard and Society shall agree on a process tosimulate the operation of the DP thruster system under con-ditions which would approximate station-holding at, orabove, 40 per cent of maximum thruster power for designenvironmental conditions that the ship operates in.

    crest factor CF 2=

    Maximum repetitive value 2 rms value=

    July 2014 Bureau Veritas 27

  • Pt E, Ch 6, Sec 1

    The list of machine and equipment to be run during the testsis, at least, to include (if present) the following:

    generating sets

    air conditioning and machinery ventilation

    evaporators

    anti rolling devices

    compressors and chillers

    cold rooms

    waste treatment units

    swimming pool with pumps

    jacuzzi and thalassotherapy equipment

    laundry with the entire equipment running.

    3.3.2 Any other frequently used equipment (more than 1/3of the time at sea) is to be run at its normal operating condi-tions (if practicable).

    3.3.3 Standard test conditions correspond to the loadingcondition defined for sea trials. Nevertheless, for cargoships which are operated over a wide range of drafts, thereadings may significantly differ from test condition toanother loading condition. Should this particular caseoccur, additional measurements may be required.

    3.3.4 Tests have to be conducted in sea and weather condi-tion 3 or less. Measurements carried out with worst weatherconditions may be accepted at the sight of the results.

    3.3.5 The tests have to be performed in deep water, with awater depth greater than 5 times the mean draft. However,for ships usually operating in coastal waters, measurementsmay be taken with conditions corresponding to normalservice conditions.

    3.3.6 Ship course has to be kept constant, with rudderangle less than 2 degrees portside or starboard, for the dura-tion of the measurement. If ship manoeuvring is needed,measurements must be stopped until recovery of heading.

    28 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 2

    SECTION 2 ADDITIONAL REQUIREMENTS FOR SHIPS OF LESS THAN 1600 GT

    1 General

    1.1 Application

    1.1.1 The requirements of this Section are applicable to theassignment of the additional requirements for ships of lessthan 1600 GT. They are additional to the applicablerequirements of Ch 6, Sec 1.

    2 COMF-NOISE

    2.1 Measurement procedure

    2.1.1 Measuring conditions Tests have to be conducted in the conditions described inCh 6, Sec 1, [3.3]. Air conditioning is to be in normal oper-ation. Doors and windows have to be closed, unless theyhave to be kept open in normal use.

    It may happen that the measurements cannot be performedwith machinery equipments, Hvac and machinery ventila-tion in normal operation (as defined in Ch 6, Sec 1, [3.3]).In such case, additional measurements should be done atquay and taken into account in the final results.

    2.1.2 Measuring positionsa) Noise measurements

    Measurements are to be taken at a height between 1,2and 1,6 m from the deck and at a distance above 1,0 mfrom any boundary surface of the room. In cabins and

    offices, one measurement will be performed in the mid-dle of the space. Additional measurements should beperformed in other locations if appreciable sound leveldifferences inside the room occur.

    On open deck, measurements are to be taken at 2 m atleast from the existing noise sources (e.g. inlet/outlet ofventilation).

    Noise is to be measured in all accommodation spaces(cabins, mess rooms, offices) in the navigation bridgeand in the engine control room, if any. On passengerships having relatively large public rooms (salons or res-taurants), noise measurements are to be carried out indifferent locations (to get a representative description ofthe noise), each measuring points covering less than20 m2.

    b) Sound insulation measurements

    The selection of insulation measuring locations is to berepresentative of the different types of insulation pro-vided in Tab 2 and Tab 3 (a minimum of two measure-ments of each type is required).

    2.2 Noise levels

    2.2.1 Noise levels in standard spaces defined in Ch 6, Sec1, [1.4] and corresponding to the noise grade x are pro-vided in Tab 1.

    Table 1 : Noise level requirements

    LocationsLAeq,T in dB (A)

    grade = 1 grade = 2 grade = 3

    Wheelhouse 63 64 65

    Passenger cabins 50 54 58

    Crew cabins 55 58 61

    Offices 60 63 66

    Galleys (1) 72 73 75

    Public spaces (type B), mess rooms (2) 60 63 66

    Passages and type D spaces (2) 65 68 70

    Engine control room (1) 75 75 75

    Open public areas (3) (4) 70 73 75

    Workshops other than those forming part of machinery spaces (1) 85 85 85

    (1) Equipment switched on but not processing.(2) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].(3) Measurement carried out with a windscreen microphone protection.(4) A tolerance of 5 dB (A) may be accepted for measurements at less than 3 m from ventilation inlet/outlet.

    July 2014 Bureau Veritas 29

  • Pt E, Ch 6, Sec 2

    2.3 Sound insulation measurements

    2.3.1 Between two adjacent accommodation spaces,acoustic insulation is to be greater than the requirementsgiven in Tab 2 and Tab 3. Measurements are to be per-formed in situ, ship at quay or at anchorage.

    Table 2 : Apparent weighted sound reduction indexes Rw in dB for passenger areas

    Table 3 : Apparent weighted sound reduction indexes Rw in dB for crew areas

    3 COMF-VIB

    3.1 Measurement procedure

    3.1.1 Measuring conditionsTests are to be conducted under the conditions described inCh 6, Sec 1, [3.3].

    3.1.2 Measuring positionsMeasurements are to be taken in vertical direction. In cab-ins, offices or other small size rooms, measurements are tobe taken on the floor in the centre of the room. For largerrooms, several measuring points may be required and are tobe chosen according to the local structure (measurementsof the different existing types of stiffened panels).

    Vibrations are to be measured in all accommodation spaces(cabins, mess rooms, offices) in the navigation bridge and inthe engine control room, if any. On passenger ships havingrelatively large public rooms (salons or restaurants), vibra-tion measurements are to be carried out in different loca-tions (to get a representative description of the vibration),each measuring points covering less than 20 m2.

    In addition to vertical direction, measurements in transverseand longitudinal directions are to be performed on onepoint of each deck.

    3.2 Vibration levels

    3.2.1 Vibration levels corresponding to the grade x are pro-vided in Tab 4 in accordance to ISO 6954 - 2000 (the limitslisted below are applicable for any directions).

    3.2.2 Vibration levels corresponding to the grade x are pro-vided in Tab 5 and Tab 6 in accordance to ISO 6954 - 1984(the limits listed below are applicable for any directions).

    Table 4 : Overall frequency weighted r.m.s. vibration levels

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin 40 38 36

    Corridor to cabin 38 36 34

    Stairs to cabin 50 50 50

    Public spaces to cabin 53 50 48

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin 37 35 32

    Corridor to cabin 35 32 30

    Stairs to cabin 35 32 30

    Public spaces to cabin 45 45 45

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    LocationsVibration velocity (mm/s) values from 1 Hz to 80 Hz

    grade = 1 grade = 2 grade = 3

    Wheelhouse 3,5 4 4,5

    Passenger cabins3 3,5 4

    Crew cabins

    Offices 3 4 5

    Galleys 5 5,5 6

    Public spaces (type B), mess rooms (1)3 4 5

    Passages and type D spaces (1)

    Engine control room 4 6 6

    Open public areas 4 6 6

    Other workspaces 4 6 6

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    30 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 2

    Table 5 : Single amplitude peak vibration levels from 5 Hz to 100 Hz

    Table 6 : Single amplitude peak vibration levels from 1 Hz to 5 Hz

    LocationsVibration velocity (mm/s peak) values from 5 Hz to 100 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse 3 4 5

    Passenger cabins2 2,5 3

    Crew cabins

    Offices 3 3,5 4

    Galleys 5 5,5 6

    Public spaces (type B), mess rooms (1)3 3,5 4

    Passages and type D spaces (1)

    Engine control room 4 5 6

    Open public areas 4 5 6

    Other workspaces 4 5 6

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    LocationsAcceleration (mm/s2 peak) values from 1 Hz to 5 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse 96 125 157

    Passenger cabins64 80 96

    Crew cabins

    Offices 96 111 125

    Galleys 157 172 188

    Public spaces (type B), mess rooms (1)96 111 125

    Passages and type D spaces (1)

    Engine control room 125 157 188

    Open public areas 125 157 188

    Other workspaces 125 157 188

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    July 2014 Bureau Veritas 31

  • Pt E, Ch 6, Sec 3

    SECTION 3 ADDITIONAL REQUIREMENTS FOR SHIPS GREATER THAN OR EQUAL TO 1600 GT - CREW AREAS

    1 General

    1.1 Application

    1.1.1 The requirements of this Section are applicable to theassignment of the additional requirements for crew areas ofships greater than or equal to 1600 GT (Notations COMF-NOISE-Crew x or COMF-VIB-Crew x). They are additionalto the applicable requirements of Ch 6, Sec 1.

    2 COMF-NOISE

    2.1 Measurement procedure

    2.1.1 Measuring conditions

    Tests are to be conducted in the conditions described in Ch6, Sec 1, [3.3]. Air conditioning is to be in normal opera-tion. Doors and windows are to be closed, unless they areto be kept open in normal use.

    It may happen that the measurements cannot be performedwith machinery equipments, Hvac and machinery ventila-tion in normal operation (as defined in Ch 6, Sec 1, [3.3]).In such case, additional measurements should be done atquay and taken into account in the final results.

    2.1.2 Measuring positions

    a) Noise measurements

    Measurements are to be taken at a height between 1,2and 1,6 m from the deck and at a distance above 1,0 mfrom any boundary surface of the room. In cabins andoffices, one measurement will be performed in the mid-dle of the space. Additional measurements should beperformed in other locations if appreciable sound leveldifferences inside the room occur.

    On open deck, measurements are to be taken at 2,0 mat least from the existing noise sources (e.g. inlet/outletof ventilation).

    In the areas corresponding to Navigation spaces, Ser-vice spaces and Work spaces, measurements are tobe taken on each deck, with three measuring points inthe navigation bridge deck (centre line and both sides).In addition, measurements are to be carried out in aminimum of 60% of the rooms on each cabins deck(including hospital). When the engine casing is inte-

    grated in the accommodation area, noise levels are tobe measured in each adjacent room. For large roomsexceeding 20 m2 (mess rooms, recreation rooms...),noise measurements are to be performed every 20 m2.

    b) Sound insulation measurements

    The selection of insulation measuring locations is to berepresentative of the different types of insulation pro-vided in Tab 1 (a minimum of two measurements ofeach type is required).

    2.2 Noise levels

    2.2.1 Noise levels in standard spaces defined in Ch 6, Sec1, [1.4] and corresponding to the noise grade x are pro-vided in Tab 2 or Tab 3, as applicable.

    2.3 Sound insulation measurements

    2.3.1 Between two adjacent accommodation spaces,acoustic insulation is to be greater than the requirementsgiven in Tab 1. Measurements are to be performed in situ,ship at quay or at anchorage.

    Table 1 : Apparent weighted sound reduction indexes Rw in dB

    3 COMF-VIB

    3.1 Measurement procedure

    3.1.1 Measuring conditions

    Tests are to be conducted under the conditions described inCh 6, Sec 1, [3.3].

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin 37 35 32

    Corridor to cabin 35 32 30

    Stairs to cabin 35 32 30

    Public spaces to cabin 45 44 42

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    32 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 3

    Table 2 : Noise level requirements for ships from 1600 GT to 10000 GT

    Table 3 : Noise level requirements for ships greater than 10000 GT

    3.1.2 Measuring positions

    Measurements are to be taken in vertical direction. In cab-ins, offices or other small size rooms, measurements are tobe taken on the floor in the centre of the room. For largerrooms, several measuring points may be required and are tobe chosen according to the local structure (measurementsof the different existing types of stiffened panels).

    In the areas corresponding to Navigation spaces, Servicespaces and Work spaces, measurements are to be takenon each deck, with three measuring points in the navigationbridge deck (centre line and both sides). In addition, mea-surements are to be carried out in a minimum of 60% of therooms on each cabins deck (including hospital).

    In addition to vertical direction, measurements in transverseand longitudinal directions are to be performed on onepoint on each deck.

    3.2 Vibration levels

    3.2.1 Vibration levels corresponding to the vibration gradex are provided in Tab 4 in accordance to ISO 6954 - 2000(the limits listed below are applicable for any directions).

    3.2.2 Vibration levels corresponding to the vibration gradex are provided in Tab 5 and Tab 6 in accordance to ISO6954 - 1984 (the limits listed below are applicable for anydirections).

    LocationsLAeq,T in dB (A)

    grade = 1 grade = 2 grade = 3

    Wheelhouse 60 63 65

    Radio room (1) 55 57 60

    Cabins 52 55 60

    Offices 57 60 65

    Public spaces, mess rooms 57 60 65

    Hospital 56 58 60

    Engine control room (2) 70 73 75

    Open recreation areas (3) (4) 70 73 75

    Galleys (2) 72 72 75

    Workshops other than those forming part of machinery spaces (2) 85 85 85

    Staircases and passages in crew areas 70 73 75

    (1) Equipment switched on but not emitting.(2) Equipment switched on but not processing.(3) Measurement carried out with a windscreen microphone protection.(4) A tolerance of 5 dB (A) may be accepted for measurements at less than 3 m from ventilation inlet/outlet.

    LocationsLAeq,T in dB (A)

    grade = 1 grade = 2 grade = 3

    Wheelhouse 60 63 65

    Radio room (1) 55 57 60

    Cabins 50 52 55

    Offices 55 57 60

    Public spaces, mess rooms 55 57 60

    Hospital 53 54 55

    Engine control room (2) 70 73 75

    Open recreation areas (3) (4) 70 73 75

    Galleys (2) 72 72 75

    Workshops other than those forming part of machinery spaces (2) 85 85 85

    Staircases and passages in crew areas 70 73 75

    (1) Equipment switched on but not emitting.(2) Equipment switched on but not processing.(3) Measurement carried out with a windscreen microphone protection.(4) A tolerance of 5 dB (A) may be accepted for measurements at less than 3 m from ventilation inlet/outlet.

    July 2014 Bureau Veritas 33

  • Pt E, Ch 6, Sec 3

    Table 4 : Overall frequency weighted r.m.s vibration levels

    Table 5 : Single amplitude peak vibration levels from 5 Hz to 100 Hz

    Table 6 : Single amplitude peak vibration levels from 1 Hz to 5 Hz

    LocationsVibration velocity (mm/s) values from 1 Hz to 80 Hz

    grade = 1 grade = 2 grade = 3

    Wheelhouse2,8 3,0 3,2

    Radio room

    Cabins 2,8 3,0 3,2

    Offices 3,0 3,5 4,0

    Public spaces, mess rooms 3,0 3,5 4,0

    Hospital 2,8 3,0 3,2

    Engine control room 4,0 5,0 6,0

    Open recreation areas

    Galleys5,0 5,5 6,0

    Workspaces

    Staircases and passages in crew areas 5,0 5,5 6,0

    LocationsVibration velocity (mm/s peak) values from 5 Hz to 100 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse2,0 3,0 4,0

    Radio room

    Cabins 3,0 3,5 4,0

    Offices 3,0 4,0 5,0

    Public spaces, mess rooms 3,0 3,5 4,0

    Hospital 2,0 3,0 4,0

    Engine control room 4,0 4,5 5,0

    Open recreation areas

    Galleys5,0 5,5 6,0

    Workspaces

    Staircases and passages in crew areas 5,0 5,5 6,0

    LocationsAcceleration (mm/s2 peak) values from 1 Hz to 5 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse96 103 111

    Radio room

    Cabins 89 96 100

    Offices 96 111 125

    Public spaces, mess rooms 96 111 125

    Hospital 89 96 125

    Engine control room 125 141 157

    Open recreation areas

    Galleys157 172 188

    Workspaces

    Staircases and passages in crew areas 157 172 188

    34 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 4

    SECTION 4 ADDITIONAL REQUIREMENTS FOR SHIPS GREATER THAN OR EQUAL TO 1600 GT - PASSENGER AREAS

    1 General

    1.1 Application

    1.1.1 The requirements of this Section are applicable to theassignment of the additional requirements for passengerareas of ships greater than or equal to 1600 GT (NotationsCOMF-NOISE-Pax x or COMF-VIB-Pax x). They are addi-tional to the applicable requirements of Ch 6, Sec 1.

    2 COMF-NOISE

    2.1 Measurement procedure

    2.1.1 Measuring conditionsTests have to be conducted in the conditions described inCh 6, Sec 1, [3.3]. Air conditioning is to be in normal oper-ation. Doors and windows have to be closed, unless theyhave to be kept open in normal use.

    It may happen that the measurements cannot be performedwith machinery equipments, Hvac and machinery ventila-tion in normal operation (as defined in Ch 6, Sec 1, [3.3]).In such case, additional measurements should be done atquay and taken into account in the final results.

    2.1.2 Measuring positionsa) Noise measurements

    Measurements are to be taken at a height between 1,2and 1,6 m from the deck and at a distance above 1,0 mfrom any boundary surface of the room. In cabins andoffices, one measurement will be performed in the mid-dle of the space. Additional measurements should beperformed in other locations if appreciable sound leveldifferences inside the room occur.On open decks, measurements are to be taken at 2,0 mat least from the existing noise sources (e.g. inlet/outletof ventilation).In cabins, measurements are to be carried out at thecentre of the cabin.In order to define the location and number of measuringpoints, the length of the ship is divided in two parts: From the aft part of the ship to the front bulkhead of

    the casing:- minimum of 35% of cabins- all public spaces and open decks.For large public rooms (lounges, restaurants) mea-surements are to be carried out in different loca-tions, each measuring point covering less than50 m2.

    From the front bulkhead of the casing to the fore endof the ship:

    - minimum of 15% of cabins

    - all public spaces and open decks.

    For large public rooms (lounges, restaurants) mea-surements are to be carried out in different loca-tions, each measuring point covering less than100 m2.

    Note 1: The Society may accept a lower number of measuringpoints or a modification of the points distribution for specificcases.

    b) Sound insulation measurements

    The selection of insulation measuring locations is to berepresentative of the different types of insulation pro-vided in Tab 1 (a minimum of two measurements ofeach type is required).

    c) Impact measurements

    The selection of impact measuring locations is to be rep-resentative of the different deck coverings implementedon the ship (a minimum of two measurements of eachdeck covering is required). These measurements arededicated to passenger cabins only.

    Table 1 : Apparent weighted sound reduction indexes Rw in dB

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin (top level)

    45 42 40

    Cabin to cabin (standard)

    41 38 36

    Cabin to cabin with communication door (standard)

    40 37 35

    Corridor to cabin (top level)

    42 40 37

    Corridor to cabin 38 36 34

    Stairs to cabin 48 45 45

    Public spaces to cabin 53 50 48

    Discotheques and show rooms to cabin

    64 62 60

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    July 2014 Bureau Veritas 35

  • Pt E, Ch 6, Sec 4

    Table 2 : Noise level requirements

    2.2 Noise levels

    2.2.1 Noise levels in standard spaces defined in Ch 6, Sec1, [1.4] and corresponding to the noise grade x are pro-vided in Tab 2.

    2.3 Sound insulation measurements

    2.3.1 Between two adjacent accommodation spaces,acoustic insulation is to be greater than the requirementsgiven in Tab 1. Measurements are to be performed in situ,ship at quay or at anchorage.

    2.4 Impact measurements

    2.4.1 A weighted normalised impact sound pressure levelLn,w is to be kept below 50 dB for the cabins. It is to beincreased to 60 dB for cabins below decks covered withhard materials (wood, marble, tiles, etc). For cabins locatedbelow sport rooms or dance floors, this value is to be keptbelow 45 dB.

    3 COMF-VIB

    3.1 Measurement procedure

    3.1.1 Measuring conditions

    Tests are to be conducted under the conditions described inCh 6, Sec 1, [3.3].

    3.1.2 Measuring positions

    Measurements are to be taken in vertical direction. In cab-ins, offices or other small size rooms, measurements are tobe taken on the floor in the centre of the room. For largerrooms, several measuring points may be required and are tobe chosen according to the local structure (measurementsof the different existing types of stiffened panels).

    In cabins, the measurements are to be carried out at thecentre of the cabin.

    In order to define the location and number of measuringpoints, the length of the ship is divided in two parts:

    From the aft part of the ship to the front bulkhead of thecasing:

    - minimum of 20% of cabins

    - all public spaces and open decks.

    For large public rooms (lounges, restaurants, ) mea-surements are to be carried out in different locations,each measuring point covering less than 80 m2.

    From the front bulkhead of the casing to the fore end ofthe ship:

    - minimum of 10% of cabins

    - all public spaces and open decks.

    For large public rooms (lounges, restaurants, ) mea-surements are to be carried out in different locations,each measuring point covering less than 150 m2.

    Note 1: The Society may accept a lower number of measuringpoints or a modification of the points distribution for specific cases.

    In addition to vertical direction, measurements in transverseand longitudinal directions are to be performed every 3decks, with one measuring point in the fore part of the ship,one in the middle part and one in the aft part.

    3.2 Vibration levels

    3.2.1 Vibration levels corresponding to the vibration gradex are provided in Tab 3 in accordance to ISO 6954 - 2000(the limits listed below are applicable for any directions).

    3.2.2 Vibration levels corresponding to the vibration gradex are provided in Tab 4 and Tab 5 in accordance to ISO6954 -1984 (the limits listed below are applicable for anydirections).

    LocationsLAeq,T in dB (A)

    grade = 1 grade = 2 grade = 3

    Passenger top level cabins 45 47 50

    Passenger standard cabins 49 52 55

    Restaurants, cafeterias and type B spaces (1) 55 58 62

    Public shop, passages (type D) (1) 60 63 65

    Passenger spaces (type A) (1) 65 68 72

    Passenger spaces (type C) (1) 53 56 59

    Outside installations (swimming pools, sport decks...) (2) (3) 65 70 75

    Beauty center and spas (massage parlor, rest room, hairdressing salon, ...) (4) 53 56 59

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].(2) A tolerance of 5 dB (A) may be accepted for measurements at less than 3 m from ventilation inlet/outlet. (3) Measurement carried out with a windscreen microphone protection.(4) Equipment not processing.

    36 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 4

    Table 3 : Overall frequency weighted r.m.s. vibration levels

    Table 4 : Single amplitude peak vibration levels from 5 Hz to 100 Hz

    Table 5 : Single amplitude peak vibration levels from 1 Hz to 5 Hz

    LocationsVibration velocity (mm/s) values from 1 Hz to 80 Hz

    grade = 1 grade = 2 grade = 3

    Passenger top level cabins 1,7 2 2,2

    Passenger standard cabins 2,0 2,5 3,0

    Restaurants, cafeterias and type B spaces (1) 2,2 2,5 3,0

    Public shops, passages (type D) (1)4,0 4,5 5,0

    Passenger spaces (type A) (1)

    Passenger spaces (type C) (1) 2,0 2,5 3,0

    Outside installations (swimming pools, sport decks, ...) 3,0 3,5 4,0

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    LocationsVibration velocity (mm/s peak) values from 5 Hz to 100 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Passenger top level cabins 1,5 2,0 2,5

    Passenger standard cabins 2,0 2,5 3,0

    Restaurants, cafeterias and type B spaces (1) 2,5 3,0 3,5

    Public shops, passages (type D) (1)4,0 4,0 4,0

    Passenger spaces (type A) (1)

    Passenger spaces (type C) (1) 2,0 2,5 3,0

    Outside installations (swimming pools, sport decks, ...) 3,0 4,0 4,0

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    LocationsAcceleration (mm/s2 peak) values from 1 Hz to 5 Hz

    grade = 1PK grade = 2PK grade = 3PK

    Passenger top level cabins 48 64 80

    Passenger standard cabins 64 80 96

    Restaurants, cafeterias and type B spaces (1) 80 96 111

    Public shops, passages (type D) (1)125 125 125

    Passenger spaces (type A) (1)

    Passenger spaces (type C) (1) 64 80 96

    Outside installations (swimming pools, sport decks, ...) 96 125 125

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    July 2014 Bureau Veritas 37

  • Pt E, Ch 6, Sec 5

    SECTION 5 ADDITIONAL REQUIREMENTS FOR YACHTS

    1 General

    1.1 Application

    1.1.1 The requirements of this Section are applicable to theassignment of the additional requirements for yachts. Theyare additional to the applicable requirements of Ch 6, Sec 1.

    2 COMF-NOISE

    2.1 Measurement procedure

    2.1.1 Measuring conditions

    For noise level measurements in harbour conditions,machinery and chiller should be run under normal harbourcondition. Hvac and machinery ventilation must be in oper-ation and at nominal rate all over the ship.

    Tests in sea trial conditions are to be conducted in the con-ditions described in Ch 6, Sec 1, [3.3]. Air conditioning is tobe in normal operation. Doors and windows are to beclosed, unless they are to be kept open in normal use.

    It may happen that the measurements cannot be performedwith machinery equipments, Hvac and machinery ventila-tion in normal operation (as defined in Ch 6, Sec 1, [3.3]).In such case, additional measurements should be done atquay and taken into account in the final results.

    2.1.2 Measuring positions

    a) Noise measurements

    Measurements are to be taken at a height between 1,2and 1,6 m from the deck and at a distance above 1,0 mfrom any boundary surface of the room. In cabins andoffices, one measurement will be performed in the mid-dle of the space. Additional measurements should beperformed in other locations if appreciable sound leveldifferences inside the room occur.

    On open deck, measurements are to be taken at 2,0 mat least from the existing noise sources (e.g. inlet/outletof ventilation).

    The noise measurements are to be performed in all pas-senger spaces, each measuring point covering less than15 m2.

    b) Sound insulation measurements

    The selection of insulation measuring locations is to berepresentative of the different types of insulation pro-vided in Tab 1 and Tab 2 (a minimum of two measure-ments of each type is required).

    c) Impact measurements

    The selection of impact measuring locations is to be rep-resentative of the different deck coverings implementedon the ship (a minimum of two measurements of eachdeck covering is required).

    These measurements are dedicated to passenger cabinsonly.

    2.2 Noise levels

    2.2.1 Noise levels in standard spaces defined in Ch 6, Sec 1,[1.4] and corresponding to the noise grade x are provided inTab 3.

    2.3 Sound insulation measurements

    2.3.1 Between two adjacent accommodation spaces,acoustic insulation is to be greater than the requirementsgiven in Tab 1 and Tab 2. Measurements are to be per-formed in situ, ship at quay or at anchorage.

    Table 1 : Apparent weighted sound reduction indexes Rw in dB for passenger areas

    Table 2 : Apparent weighted sound reduction indexes Rw in dB for crew areas

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin 45 42 40

    Corridor to cabin 42 40 37

    Stairs to cabin 48 45 45

    Public spaces to cabin 55 53 50

    Public spaces designed for loud music to cabin

    64 62 60

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    Locations grade = 1 grade = 2 grade = 3

    Cabin to cabin 37 35 32

    Corridor to cabin 35 32 30

    Stairs to cabin 35 32 30

    Public spaces to cabin 45 45 45

    Note 1: When the area of the tested partition is less than10 m2, a minimum value of 10 m2 is to be considered for thecalculation of index R'w.

    38 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 5

    Table 3 : Noise level requirements

    2.4 Impact measurements

    2.4.1 A weighted normalised impact sound pressure levelLn,w is to be kept below 50 dB for the cabins. It is to beincreased to 60 dB for cabins below decks covered withhard materials (wood, marble, tiles, etc). For cabins locatedbelow sport rooms or dance floors, this value is to be keptbelow 45 dB.

    3 COMF-VIB

    3.1 Measurement procedure

    3.1.1 Measuring conditions

    Tests are to be conducted under the conditions described inCh 6, Sec 1, [3.3].

    3.1.2 Measuring positions

    Measurements are to be taken in vertical direction. In cab-ins, offices or other small size rooms, measurements are tobe taken on the floor in the centre of the room. For larger

    rooms, several measuring points may be required and are tobe chosen according to the local structure (measurementsof the different existing types of stiffened panels).

    Measurements are to be performed in all passenger spaces,each measuring point covering less than 15 m2.

    In addition to vertical direction, measurements in transverseand longitudinal directions are to be performed on onepoint on each deck.

    3.2 Vibration levels

    3.2.1 Vibration levels corresponding to the vibration gradex are provided in Tab 4 in accordance to ISO 6954 - 2000(the limits listed below are applicable for any directions).

    3.2.2 Vibration levels corresponding to the vibration gradex are provided in Tab 5 and Tab 6 in accordance to ISO6954 - 1984 (the limits listed below are applicable for anydirections).

    Table 4 : Overall frequency weighted r.m.s vibration levels

    Locations

    LAeq,T in dB (A)

    Harbour Sea

    grade = 1 grade = 2 grade = 3 grade = 1 grade = 2 grade = 3

    Wheelhouse 65 65 65

    Passengers cabins 40 45 50 50 54 58

    Lounges 45 50 55 55 58 62

    Open recreation areas (1) 55 60 65 75 80 85

    Crew cabins 45 50 55 55 58 60

    Public spaces (type B), mess rooms (2) 55 58 60 60 63 65

    Passages and type D spaces (2) 60 63 65 65 68 72

    (1) Measurement carried out with a windscreen microphone protection.(2) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    Locations

    Vibration velocity (mm/s) values from 1 Hz to 80 Hz

    Harbour Sea

    grade = 1 grade = 2 grade = 3 grade = 1 grade = 2 grade = 3

    Wheelhouse 2,5 3,5 4,5

    Passengers cabins 1,0 1,5 2,0 2,0 2,5 3,0

    Lounges 1,0 1,5 2,0 2,0 2,5 3,0

    Open recreation areas 2,0 2,5 3,0 3,0 4,0 4,5

    Crew cabins 2,0 2,5 3,0 2,5 3,0 3,5

    Public spaces (type B), mess rooms (1) 2,0 2,5 3,0 3,0 3,5 4,0

    Passages and type D spaces (1) 2,0 3,0 4,0 3,0 4,0 5,0

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    July 2014 Bureau Veritas 39

  • Pt E, Ch 6, Sec 5

    Table 5 : Single amplitude peak vibration levels from 5 Hz to 100 Hz

    Table 6 : Single amplitude peak vibration levels from 1 Hz to 5 Hz

    4 COMF +

    4.1 Application

    4.1.1 Optional COMF + notation represents an advancedcomfort rating with additional performance index require-ments.Note 1: The present Article may also be applied, after special study,to passenger ships.

    4.1.2 Prior to the COMF+ notation assessment, COMF-NOISE notation is to be granted.

    4.1.3 The following COMF+ performance indexes can begranted separately:

    COMF+ Sound insulation index

    COMF+ Impact index

    COMF+ Emergence

    COMF+ Intermittent noise

    COMF+ Intelligibility.

    4.2 Data processing - Analysis

    4.2.1 Results are to be given on a table in global values(dB(A) or dB for insulation measurements).

    4.3 Measurement procedure

    4.3.1 Measuring conditionsTests are to be conducted in the conditions described in Ch 6,Sec 1, [3.3] and [2.1.1].

    Specific additional conditions are described in the relevantCOMF+ index requirements.

    4.3.2 Measuring positionsThe location of the measuring positions is selected in accor-dance with [2.1.2] for the following indexes:

    COMF+ Sound insulation index

    COMF+ Impact index

    COMF+ Emergence.

    4.4 COMF + Sound insulation index

    4.4.1 Sound insulation between discotheques, show lounge and passenger cabins

    Due to the potential low frequency noise, transmittedthrough floors or bulkheads, the sound insulation indexrequirement is to be considered as the sum of the R'w index+ the adaptation term C as described in ISO 717-1.

    The adaptation term C added to the R'w index is to beabove the insulation level given in Tab 7.

    Locations

    Vibration velocity (mm/s peak) values from 5 Hz to 100 Hz

    Harbour Sea

    grade = 1PK grade = 2PK grade = 3PK grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse 2,5 3,5 5,0

    Passengers cabins 1,0 1,5 2,5 2,0 2,5 3,0

    Lounges 1,0 1,5 2,5 3,0 3,5 4,0

    Open recreation areas 2,0 3,0 4,0 3,5 4,5 5,0

    Crew cabins 1,5 2,0 2,5 2,0 2,5 3,0

    Public spaces (type B), mess rooms (1) 2,0 2,5 3,0 3,0 3,5 4,0

    Passages and type D spaces (1) 2,0 3,0 4,0 3,0 4,0 5,0

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    Locations

    Acceleration (mm/s2 peak) values from 1 Hz to 5 Hz

    Harbour Sea

    grade = 1PK grade = 2PK grade = 3PK grade = 1PK grade = 2PK grade = 3PK

    Wheelhouse 80 111 144

    Passengers cabins 32 48 80 64 80 96

    Lounges 32 48 80 96 111 125

    Open recreation areas 64 96 125 111 144 157

    Crew cabins 48 64 78 64 80 96

    Public spaces (type B), mess rooms (1) 64 80 96 96 111 128

    Passages and type D spaces (1) 64 96 125 96 125 157

    (1) For the definition of type A to type D public spaces, refer to Ch 6, Sec 1, [1.4.1].

    40 Bureau Veritas July 2014

  • Pt E, Ch 6, Sec 5

    Table 7 : Sound insulation indexes R'w+C

    4.5 COMF + Impact index

    4.5.1 Due to the potential low frequency noise, transmittedthrough the floor, the impact noise index requirement is tobe considered as the sum of the L'n,w index + the adapta-tion term CI as described in ISO 717-2.

    The adaptation term CI added to the L'n,w index is to bebelow any impact comfort class requirements listed in [2.4.1].

    4.6 COMF + Emergence

    4.6.1 When the noise level contains audible annoyingtonal components, an objective assessment should be car-ried out as described in ISO 1996-2:2007 Annex D.A prominent tone in one-third-octave band is establishedwhen its level exceeds the time-average sound pressure lev-els of both adjacent one-third-octave bands by some con-stant level difference.

    The constant level difference varies with the frequency asfollows: 15 dB in the low-frequency one-third-octave bands

    (25 Hz to 125 Hz) 8 dB in middle-frequency bands (160 Hz to 400 Hz) 5 dB in high-frequency bands (500 Hz to 10 000 Hz).

    In case emergence is verified at one measuring point, a con-stant value of 5 dB (A) is to be added to the LAeq,T mea-sured at that point before to be compared to the valuesgiven in Tab 3.

    4.7 COMF + intermittent noise

    4.7.1 Machinery and systems having an intermittent opera-tion are not to increase the noise level in cabins, withregard to ambient noise, by more than 5 dB(A) during day-time (from 7 am to 10 pm) and 3 dB(A) during night time(from 10 pm to 7 am).

    4.7.2 The shipyard is to propose an intermittent noise mea-suring program including:

    the complete procedure of measurements

    the exhaustive list of system which includes, whenapplicable:

    - swimming pool/Jacuzzi equipments and piping dur-ing filling/emptying/re-circulating

    - dishwasher/pulper

    - high pressure deck washing piping systems

    - hydraulic power pack

    - evaporators

    - stabiliser systems

    - steam dump valve

    - laundry/garbage equipments

    the ambient noise considered for each system (i.e. noiseat quay or at sea conditions).

    Anchoring, mooring, thrusters, safety alarms, emergencyequipments are excluded from the list of machinery systemsconcerned by this paragraph.

    This program is to be submitted to the Society prior to thetrials.

    4.8 COMF + intelligibility

    4.8.1 In public spaces like theatres, dancing rooms, cine-mas, conference rooms, restaurants, the architectural designis to take into account the speech or music intelligibility. Inorder to maintain a sufficient quality, the RASTI index is tobe above 0,60 (for each public space, measurements are tobe carried out in different locations, each measuring pointcovering less than 40 m2).

    The Society may accept a lower number of measuringpoints or a modification of the point distribution for specificcases.

    Note 1: The evaluation of the Rapid Speech Transmission Index(RASTI) has been standardised in IEC 60268-16.

    4.8.2 An Intelligibility noise measuring program is to besubmitted to the Society, prior to measurement test.

    Locations grade = 1 grade = 2 grade = 3

    Discotheques and show rooms to cabin

    64 62 59

    July 2014 Bureau Veritas 41

  • Pt E, Ch 6, Sec 5

    42 Bureau Veritas July 2014

  • Part EAdditional Class Notations

    Chapter 7

    REFRIGERATING INSTALLATIONS (REF)

    SECTION 1 GENERAL REQUIREMENTS

    SECTION 2 ADDITIONAL REQUIREMENTS FOR NOTATION REF-CARGO

    SECTION 3 ADDITIONAL REQUIREMENTS FOR NOTATION REF-CONT

    SECTION 4 ADDITIONAL REQUIREMENTS FOR NOTATION REF-STORE

    July 2014 Bureau Veritas 43

  • 44 Bureau Veritas July 2014

  • Pt E, Ch 7, Sec 1

    SECTION 1 GENERAL REQUIREMENTS

    1 General

    1.1 Application

    1.1.1 The following additional class notations are assigned,in accordance with Pt A, Ch 1, Sec 2, [6.9], to ships withrefrigerating installations complying with the applicablerequirements of this Chapter:

    REF-CARGO for installations related to carriage of cargo

    REF-CONT for installations related to carriage of con-tainers

    REF-STORE for installations related to preservation ofship's domestic supplies.

    1.1.2 The requirements of this Chapter apply to refrigerat-ing installations on ships, and include the fixed plants forrefrigerating holds of cargo ships, fishing and factory ships,fruit and juice carrier ships, etc., refrigerated c