General
A complete list of current rule chapters is presented in Pt.0 Ch.1 Sec.2. The listing below contains only new or changed chapters (with new date on front page) or amended chapters (date from previous main changes update on front page).
Pt.6 Ch.28 Tentative rules for battery power is a new chapter.
Part 0 Chapter 3
PLAN APPROVAL DOCUMENTATION TYPES – DEFINITIONS
Main changes coming into force 1 January 2012
• Sec.1 General
— In Table D1, discipline V and unused disciplines A, F, J, U and Y have been deleted.
• Sec.2 Documentation Types
— Removal of sub-sections related to unused disciplines
— Changing of Documentation types related to Loading Computers as follows:
— H160 substituted with new I270
— H170 substituted with new I280.
— Changing of Documentation types related to former Discipline V as follows:
— V010 substituted with new S012
— V011 substituted with new S013
— V020 deleted, now covered by S020
— V030 deleted, now covered by S030
— V040 deleted, now covered by S040
— V050 substituted with new S061
— V060 substituted with new G061
— V070 deleted.
— A new “Z330 – Cargo list” has been added.
Main changes coming into force 1 July 2012
• Sec.2 Documentation Types
— Discipline E: Some editorial changes and clarifications have been made. In addition:
— E010: Frequency converters and filters are added to listed objects
— E060 is deleted and merged with E040. Calculation of discharge characteristics for batteries has been added for some systems.
— E070 is deleted since it is not used
— E080: Removed specific list of components to be included in discrimination analysis
— E130: Documentation requirements for semiconductor assemblies is modified
— E150, E160 and E210: Specification of applicable systems removed
— E220: Electrical system philosophy is modified
— New “E240 – Electrical assembly functional description” has been added.
— A new Z072 has been added in connection with the introduction of Pt.6 Ch.28 Tentative Rules for Battery Power.
Part 1 Chapter 1
GENERAL REGULATIONS
Main changes coming into force 1 January 2012
• Sec.2 Assignment of Class
— Change in A500 survey during construction.
Part 1 Chapter 2
CLASS NOTATIONS
Main changes coming into force 1 January 2012
• Sec.1 Class Notations
— A new sub-section element C900 “Optional class notations found in other DNV rule books” has been added.
Main changes coming into force 1 July 2012
• Sec.1 Class Notations
— In Table B6 a new class notation Battery Power has been added.
— An additional qualifier (+) has been added for both RP and RPS notations in Table C5.
— In Table C4 a new class notation BMON has been added.
Part 2 Chapter 2
METALLIC MATERIALS
Amendments January 2012
• Sec.1 Rolled Steel for Structural Application
— Table C4: Tensile strength for grades NV A36, NV D36, NV E36, NV F36 has been corrected to “490 to 630”.
• Sec.2 Rolled Steel for Boilers, Pressure Vessels and Special Applications
— In Table D2 the line separating “transverse: 27” and “longitudinal: 41” for grades UNS S31803 and UNS S32750 has been removed.
• Sec.9 Aluminium Alloys
— In Table A3, thickness, t for grade NV-6082, Temper T4 has been corrected to t £ 50.
Part 3 Chapter 1
HULL STRUCTURAL DESIGN, SHIPS WITH LENGTH 100 METRES AND ABOVE
Main changes coming into force 1 July 2012
• Sec.2 Materials
— New C300 Steel sandwich panel construction
• Sec.15 Special Requirements - Additional Class
— Class notation CSA: Editorial changes in E104, E601 and E700
Part 3 Chapter 2
HULL STRUCTURAL DESIGN, SHIPS WITH LENGTH LESS THAN 100 METRES
Main changes coming into force 1 July 2012
• Sec.2 Materials
— New C200 Steel sandwich panel construction
Part 3 Chapter 3
HULL EQUIPMENT AND SAFETY
Main changes coming into force 1 July 2012
• Sec.9 Stability
— Sub-section D Intact stability criteria. Reference in ship rules changed and latest reference to IMO Guideline for Ships Operating in Polar Waters given.
Part 4 Chapter 7
PRESSURE VESSELS
Main changes coming into force 1 July 2012:
• Sec.1 General Requirements
— Table B1 Increase of acceptable minimum specified tensile strength for class II pressure vessels
— New table C1 Documentation requirements and text correction in C 100.
• Sec.4 General Design Requirements
— D The term cylinders is replaced with accumulators for hydraulic systems
— D101 Reference to reinforcement for flat plates have been added
— D501 Reference to acceptable flange welding details changed
— Fig.(e2): A note regarding thickness of more than 16 mm have been added.
• Sec.8 Manufacture, Workmanship and Testing
— B200 Opening up for more extensive use of permanent backing strip for pressure vessels in refrigerating plants
— C Clarification of heat treatment requirements.
Part 4 Chapter 8
ELECTRICAL INSTALLATIONS
Main changes coming into force 1 July 2012
• General
— Changes regarding references to other battery technologies than NiCd and Lead Acid following the introduction of Pt.6 Ch.28 Battery Power have been made in:
— Sec.2 System Design, D102 and I401
— Sec.10 Installation, B301
— Sec.11 Hazardous Areas Installations, C204
— Sec.13 Definitions, A710.
Part 4 Chapter 10
FIRE SAFETY
Amendments January 2012
• General
— Due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3 the following references have been amended:
— V010 substituted with new S012
— V050 substituted with new S061
— V060 substituted with new G061.
Part 5 Chapter 1
SHIPS FOR NAVIGATION IN ICE
Main changes coming into force 1 January 2012
• Sec.3 Ice Strengthening for the Northern Baltic
— Figure 2 has been replaced.
— In item D301, a minor correction has been made to the definition of f4 and the definition of f5 which was left out in the July 2011 revision has been added.
• Sec.6 Winterization
— Item C607 has been deleted as Charpy V-notch testing is not relevant to perform for steel wire ropes.
Main changes coming into force 1 July 2012
• Sec.4 Vessels for Arctic and Ice Breaking Service
— Sub-section L Stability and Watertight Integrity, is aligned with the latest IMO Guideline for Ships Operating in Polar Waters, IMO Res. A.1024(26).
• Sec.6 Winterization
— Corrections made in items C401 and C402.
• Sec.8 Polar Class
— K102: Exception in K101 removed for Polar Class 5.
Part 5 Chapter 3
OIL CARRIERS
Main changes coming into force 1 July 2012
• General
— Sec.11 Table F1 has been aligned with Pt.4 Ch.8 Sec.1 Table B3 regarding requirements for certification of electrical motor and motor starter.
— Sec.14 and Sec.15 have been updated to clarify the difference between bow loading systems for shuttle tanker and single point mooring for a conventional tanker and related rules.
Part 5 Chapter 4
CHEMICAL CARRIERS
Main changes coming into force 1 July 2012
• Sec.16 Inert Gas Plants
— B100: Reference to Table B1 Certification of Nitrogen generator system components added
— B200 Table B1: Made a reference to Pt.4 Ch.8 Sec.1 Table B3 for clarification of requirements for certification of electrical motor and motor starter.
Part 5 Chapter 5
LIQUEFIED GAS CARRIERS
Main changes coming into force July 2012
• Sec.18 Inert gas plants
— A200 Table A1 and A2: A reference to Pt.4 Ch.8 Sec.1 Table B3 for clarification of requirements for certification of electrical motor and motor starter have been made.
Part 5 Chapter 6
FISHING VESSELS
Amendments January 2012
• Sec.1 General Requirements
— In Table G1 documentation type reference V060 has been substituted with G061 due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3.
Part 5 Chapter 7
OFFSHORE SERVICE VESSELS, TUGS AND SPECIAL SHIPS
Main changes coming into force 1 January 2012
• Sec.14 Barges
— Table A2: Due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3 the following references have been amended:
— V010 substituted with new S012
— V050 substituted with new S061
— V060 substituted with new G061.
Main changes coming into force 1 July 2012
• Sec.8 Offshore Service Vessels for Transportation of Low Flashpoint Liquids
— F100: new Table F1 Documentation requirements
— F304: the IMO Res. A.673(16) requires compliance with IBC Code for location of controls of the fixed foam system, therefore this is added to the rules for carriage of Low Flashpoint Liquids (LFL).
• Sec.21 Semi-Submersible Heavy Transport Vessels
— G101: A part of the first paragraph has been amended and moved into a new guidance note.
Part 5 Chapter 11
CARRIAGE OF DANGEROUS GOODS
Main changes coming into force 1 January 2012
• Sec.1 General Requirements
— In Table B1 documentation type reference V010 has been substituted with S012 due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3. Documentation type reference regarding cargo, previous given by Z100 has been substituted with Z330.
• Sec.2 Requirements for Carriage of Dangerous Goods in Various Types of Cargo Spaces
— In Table D1 a new substance has been added: “Wood products - General” due to the fact that this substance has been included in the IMSBC Code as a MHB cargo and therefore dangerous.
— A small discrepancy was discovered for the Iron oxide substance. UN 1376 has been deleted in column 1, and
— A small change has also been carried out in footnote no. 3) and 4): 1146 has been replaced with 1395, because MSC/Circ. 1146 has been replaced by MSC/Circ.1395.
Part 5 Chapter 12
COMFORT CLASS
Amendments January 2012
• Sec.3 Indoor Climate
— In Table C1 documentation type reference V011 has been substituted with S013 due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3.
Part 5 Chapter 14
NAVAL AND NAVAL SUPPORT VESSELS
Amendments January 2012
• Sec.6 Piping Systems
— In item F201 the reference to C200 has been corrected to B200.
• Sec.10 Fire Safety
— Table C1: Due to the deletion of former Documentation type discipline “V” in Pt.0 Ch.3 the following references have been amended:
— V010 substituted with new S012
— V050 substituted with new S061
— V060 substituted with new G061.
Part 5 Chapter 15
COMPRESSED NATURAL GAS CARRIERS
Main changes coming into force 1 January 2012
• Sec.5 C100 and C700.
— Text restructured for increased consistency.
Part 6 Chapter 1
MISCELLANEOUS NOTATIONS
Main changes coming into force 1 January 2012
• Sec.2 Helicopter Installations
— New A300 Documentation requirements.
Part 6 Chapter 2
REDUNDANT PROPULSION
Main changes coming into force 1 January 2012
— In Sec.1 Table B1 the reference to “DNV Guideline No. 23” has been corrected to “DNV-RP-D102”.
Main changes coming into force 1 July 2012
— Introduction of an additional qualifier (+)
— Qualifier (+) may be assigned to both RP and RPS notations when it is verified that the vessels propulsion and steering system is of a redundant design such that at least 50% of the propulsion power and one appurtenant steering system will be maintained without disruption upon any single failure.
Part 6 Chapter 7
DYNAMIC POSITIONING SYSTEMS
Amendments January 2012
• Sec.2 General Arrangement
— In Table C2 a typographical error has been corrected in the heading rows.
Part 6 Chapter 9
LOADING COMPUTER SYSTEMS (LCS) FOR STABILITY AND LONGITUDINAL STRENGTH
Main changes coming into force 1 July 2012
• Section 1 General Requirements
— A104: The required stability tasks are further specified
— A303: Requirement added for the software to give a warning when damage calculations are not updated (in case of direct calculations)
— A304: Additional draught check required for certain vessels.
• Section 2 Approval
— A204: Operation/User manual only to be submitted if tailor made for a ship (type approved software) (see table A1)
— A208: Some adjustment made in the requirement for content of operation/user’s manual
— A210: Listing of damage results (direct damage calculations) to be shown in summary table
— A303: Longitudinal strength: Tolerances for check of results in vessel’s ends adjusted
— A400: Handling of updates/new version of software, and update of vessel data further explained/clarified.
• Section 3 Certification
— A210: Issues related to testing on board on preliminary or final version of the software clarified.
• Section 4 Additional class notation LCS-DC
— A201/B204: Option added for checking longitudinal strength after damage for ships with the optional LCS DC notation
— B100: Requirement for documentation of hardware related to the LCS-DC notation is altered some
— B103: The requirement for documentation of calculation of damage cases further specified.
Part 6 Chapter 12
ENVIRONMENTAL CLASS
Main changes coming into force 1 July 2012
• General
— All requirements related to electrical shore connections have been replaced with a new Standard for Certification “Standard for Certification for Electrical Shore Connections/Cold Ironing” (STC 2.25), to be released shortly.
Part 6 Chapter 13
GAS FUELLED SHIP INSTALLATIONS
Main changes coming into force 1 July 2012
• General
— Clarification and amendments of rule requirements in general (arrangement of spaces, accesses, valve arrangements, relief valves, drip trays, ventilation). Revised requirement for tank location.
— Added requirements about gas heating systems, portable tanks, access to tanks, inert gas systems, included boilers and gas turbines in scope of rules
— Clarification of control system requirements, separated the requirements for control systems and safety systems.
— Documentation requirements have been amended in Sec.1 Table C1.
Part 6 Chapter 20
NAUTICAL SAFETY – OFFSHORE SERVICE VESSELS
Changes coming into force 1 July 2012
• Sec.1 General
— Table D1: Added table for certification scheme
— Table E1: Added table for documentation requirements.
• Sec.2 Bridge Design and Configuration
— Changes in eye-height calculation in front.
• Sec.3 Workstation Arrangement
— The term navigation have been changed to navigating & manoeuvring.
— Field of vision (FOV) astern from workstation for Navigation workstation of seismic vessels
— FOV from bridge wings
— Radar for tracking of seismic streamers.
• Sec.4 Bridge Equipment
— Workstation for navigation/navigation support name change to be in line with other NAUT rules
— Weather information requirements
— Low speed track control system for seismic vessels.
Part 6 Chapter 28
TENTATIVE RULES FOR BATTERY POWER
General
This is a new chapter approved by the Executive Committee in November 2011.
The rules come into force on 1 July 2012.
This chapter is valid until superseded by a revised chapter.
Part 7 Chapter 1
SURVEY REQUIREMENTS
Main changes coming into force 1 January 2012
• Sec.1 General requirements
— New item B404 concerning special consideration given to damages requiring “prompt and thorough repair” which is isolated and of a localized nature which does not affect the ship's structural integrity.
• Sec.2 Annual Surveys Extent – Main Class
C105:
— The rule requiring disconnection of the emergency switchboard for testing of standby start will be deleted
— The application of the test is made applicable only for vessels with E0 notation (built at any time) and all vessels constructed on or after 1 July 1998, where electricity is necessary for propulsion and steering.
• Sec.4 Renewal Surveys Extent – Main Class
— Table B1: For fuel oil, lube oil and fresh water tanks in cargo area renamed to be “area outside engine room”. In addition minor editorial correction carried out.
• Sec.5 Miscellaneous Main Class Surveys
— Bottom survey Item A502 text modified with respect to age
— B102 small change.
Main changes coming into force 1 July 2012
• Sec.1 General requirements
— Added A404 and 405 regarding class notation Great Lakes Bulk Carrier
• Sec.3 Intermediate Surveys
Text amended due to Great Lakes Bulk Carriers requirements:
— B102: Overall examination of representative ballast tanks
— B103: Overall examination of all ballast tanks and tanks used as bilge water
— holding tanks
— B106: Examination of the condition of corrosion prevention system
— B112: Hatch covers and coamings with closing, sealing and securing devices.
• Sec.4 Renewal Surveys
Text amended due to Great Lakes Bulk Carriers requirements:
— B105: Thickness measurements
— B116: Testing of structures forming boundaries of double bottom, deep, peak and other tanks, including holds adapted for the carriage of water ballast
— B117: Condition of corrosion prevention system
— D101: Minimum thickness measurements
— Table D1.1.2: Minimum thickness measurements.
• Sec.6 Optional Class Notation Surveys
— New Z Boiler Monitoring.
Part 8 Chapter 2
COMMON STRUCTURAL RULES FOR BULK CARRIERS WITH LENGTH 90 METRES AND ABOVE
Amendments January 2012
— In Chapter 6 Sec.3 Table 2, the condition for calculation of “reduction factor k” for “Buckling-Load Case 1” has been corrected and aligned with IACS common structural rules.