Pt.0 Ch.3 Plan Approval Documentation Types – Definitions
This is a new booklet describing documentation requirements related to plan approval.
Pt.1 Ch.1 General Regulations
Main changes coming into force 1 July 2008
· Sec.1 Classification Principles
— Item A215 defining the IACS early warning scheme has been deleted. The subsequent items have been renumbered.
— Item B807 (previously concerning IACS early warning scheme) has been replaced with a more general description of the Societies.
— Items D102 and D103 concerning ISM and ISPS certification have been reworded.
— Item D107 concerning ISM and ISPS certification of vessels classed by other IACS societies has been deleted.
Pt.1 Ch.2 Class Notations
Main changes coming into force 1 January 2009
· Sec.1 Class Notations
— In Table C5, new class notationsFC-POWERandFC-SAFETYhave been added, with reference to the new rule chapter Pt.6 Ch.23 “Fuel Cell Installations”.
Significant editorial changes entering into force with immediate effect
· Sec.1 Class Notations
— In Table C2, class notationsCAandCA (port.)have been amended regarding application.
— In Table C3, class notationICE-, some editorial corrections have been made and class notationIcebreakerhas been moved from Table C1.
— In Table C6, class notationDAT(-...°C)has been corrected toDAT(-X°C).
Pt.2 Ch.3 Fabrication and Testing of Structures
Taking effect immediately
· Sec.8 Structural and Tightness Testing
— Under B301, the minimum test pressure specified in Table B1 for tanks containing liquids has been reduced for FRP tanks.
— In Table B1, tablenote 2) has been amended to align the requirement to structural testing of subsequent vessels with other IACS members.
Pt.3 Ch.1 Hull Structural Design, Ships with Length 100 metres and above
Main changes coming into force 1 July 2008
· General
— Sec.3 B204, Sec.15 B301 and Sec.16 A401 have been changed in order to reinstate the requirements of the July 2007 version of the rules with regard to design life, including minimum fatigue life.
Pt.3 Ch.3 Hull Equipment and Safety
Main changes coming into force 1 January 2009
· Sec.5 Foundations for Deck Machinery, Towing Equipment and Lifting Appliances
— The material requirements in items A303, B501 and C601 (previous C301) have been changed to align with common industry standards and IACS common structural rules for tankers.
Significant editorial changes coming into force with immediate effect
· Sec.5 Foundations for Deck Machinery, Towing Equipment and Lifting Appliances
— Item A101 has been clarified with respect to strength and support of davits for survival craft, man over board and work boat.
— Sub-sections B and C have been updated in order to comply with revision 3 of IACS UR A2 – Shipboard fittings and supporting hull structures associated with towing and mooring on conventional vessels.
• Pt.4 Ch.3 Rotating Machinery, Drivers
Taking effect immediately
· Sec.2
Item I305, 2nd paragraph has been amended and now reads:
Crash-stop conditions shall be tested from full speed ahead, this shall be performed in the fastest time permitted by the controls of the gas turbine core engine.
Pt.4 Ch.4 Rotating Machinery, Power Transmission
Main changes coming into force 1 January 2009
· Sec.1 Shafting
— Items A301 and A401 have been amended to include the position and way of electrical grounding in the submitted documentation as a general requirement, and not only a requirement in case of additional class notation TMON.
— Item B208 has been modified. To avoid misunderstanding, it has been clarified that the shaft diameter calculated by simplified diameter formula is just an absolute minimum diameter, and that torsional vibration stresses of an actual shafting arrangement has to be considered, i.e. a clean-up of when to use the one or the other has been made.
— In item B306, the Guidance note has been expanded in order to better explain what is meant by ream fitted bolts, with some practical hints how to facilitate easier removal of bolts without damaging bolt holes.
— In item B402, formula for calculating necessary pull-up force for conical connections has been included.
— In item F105, a new requirement has been introduced for installation of rope guard on all vessels in order to protect the stern tube seal from damage and consequently oil leakage from the stern tube.
In addition, a requirement for net/line cutter has been introduced for vessels that are more exposed to waters with ghost lines and nets such as fishing vessels, ferries, tugs etc.
· Sec.5 Torsionally Elastic Couplings
— Item B207 has been amended in relation to shear stresses due to centrifugal action for elastic couplings of high speeds.
Pt.4 Ch.5 Rotating Machinery, Driven Units
Taking effect immediately
· Sec.4 Compressors
— A new item B108 dealing with compressors for instrument- and control air receivers has been added.
Pt.4 Ch.6 Piping Systems
Main changes coming into force 1 January 2009
· General
The purpose of the amendments has been to harmonize the rules with the new type approval programme for valves; in addition, the requirements for hydraulic cylinders have been clarified, i.e.:
— Some of the requirements previously only included in the type approval program for valves, have now been moved to the rules.
— Requirements for hydraulic cylinders, used for cleats and manoeuvring of watertight doors and hatches, have been included in the rules.
— References to the type approval program for hydraulic cylinders have been corrected.
Pt.4 Ch.10 fire Safety
Editorial changes taking effect 1 July 2008
All the Appendices of the July 2006 edition, as listed below, have been removed and published separately in the DNV publication “Statutory Interpretations”.
— Appendix A Interpretations and Clarifications to SOLAS Ch. II-2
— Appendix B Fixed Gas Fire-extinguishing System
— Appendix C High Expansion and Inside Air Foam Systems
Pt.5 Ch.1 Ships for Navigation in Ice
Editorial changes taking effect 1 July 2008
· Sec.6 Winterization
— Under item C201, a Guidance note has been added in order to clarify the temperature to be used for the design of hydraulic or water/fuel systems on deck and non heated spaces.
· Sec.8 IACS Unified Requirements for Polar Ships (Tentative Rules)
— In item C102, printing errors have been corrected in the two latter expressions for “tnet” and in the subsequent definition list (covering the definition of “b”).
Pt.5 Ch.2 Passenger and Dry Cargo Ships
Taking effect immediately
· Sec.2 Passenger Ships
— A new sub-section element B700 on windows and glass structure has been inserted, amending design pressures and glass thickness.
Pt.5 Ch.4 Chemical Carriers.
Coming into force 1 January 2009
· Sec.11 Fire Protection and Extinction
— Item B206 regarding rate of supply of foam solution has been modified
— Two new items, B207 and B208 dealing with foam concentrate have been inserted.
Taking effect immediately
· Sec.3 Ship Arrangement and Damage Stability
— A new item B104 dealing with suction wells except forShip type 1has been added.
Pt.5 Ch.5 Liquefied Gas Carriers
Coming into force 1 January 2009
· Sec.16 Gas Operated Propulsion Machinery
— The Guidance note in item C103 has been amended to cover extended testing.
Pt.6 Ch.3 Periodically Unattended Machinery Space
Main changes coming into force 1 January 2009
· Sec.2 System Arrangement
— Item C301 covering alarm systems in the engineers' accommodation has been modified.
· Sec.3 Class Notation E0
— Tables A1, A4 and A5 have been aligned with the relevant tables of Pt.4 Ch.3 and Pt.4 Ch.4.
· Sec.5 Survey
— Sub-section elements B400 and B500 have been added covering ships with gas fuelled machinery.
Pt.6 Ch.12 Environmental Class
Main changes coming into force 1 January 2009
· Sec.1 General Requirements
— Tables C1, C2 and C3 have been replaced in their entirety.
· Sec.2 Class Notation Clean
— Item B202 has been rewritten for better understanding.
— Sub-section element B300 has been revised, also including some of the previous items in sub-section element B200.
— Sub-section element B400 has been revised. Among others: in item B401 a Guidance note have been added, and item B408 has been rewritten concerning the leak detection systems.
— In item C402, additional requirements have been added.
— Sub-section element C800 has been completely rewritten and clarified.
— Sub-section D has been amended, including management’s responsibility for procedures.
· Sec.3 Class Notation Clean Design
— Sub-section element B300 has been replaced with new requirements, also including some of the previous items in sub-section element B200.
— In item C102, a new requirement has been added for vessels < 5 000 tonnes.
— Item C604 has been deleted.
— Item C702 has been amended, with a capacity to incinerate 100% onboard.
— Item C803 has been clarified.
— Sub-section element D100 has been amended with regard to applicability and requirements.
— Item D301 has been amended, incorporating class notation EP.
Pt.6 Ch.23 Fuel Cell Installations
The Board approved this new chapter in June 2008.
The rules come into force on 1 January 2009.
Pt.7 Ch.1 Survey Requirements
Main changes coming into force 1 January 2009
· Sec.1 General Requirements
— In Sub-section A600, 15 years interval for the complete survey:
"Shaft - propeller connection flanged" has been introduced.
· Sec.2 Annual Survey Extent – Main Class
— Items A203 and A204 have been updated, and a new item C114 have been added giving annual survey requirements for Fuel Cell Installations.
— Item C201, verification at Annual Survey that a small scale fire test has been carried out by service supplier for alcohol resistant fluorine protein based foam concentrates, has been included.
· Sec.3 Intermediate Surveys Extent – Main Class
— A new item C104 has been added giving intermediate survey requirements for Fuel Cell Installations.
· Sec.4 Renewal Surveys Extent – Main Class
— A new item C116 has been added giving renewal survey requirements for Fuel Cell Installations.
Significant editorial changes coming into force with immediate effect
· Sec.4 Renewal Surveys Extent – Main Class
— A new item B124 has been added to comply with revision 3 of IACS UR A2 – Shipboard fittings and supporting hull structures associated with towing and mooring on conventional vessels.
Pt.8 Ch.1 Common Structural Rules for Double Hull Oil Tankers with length 150 metres and above
· General
The present edition of the rules includes additions and amendments decided by the Board as of June 2008, and supersedes the January 2008 edition of the same chapter, including later amendments.
The following Rule Change Notices have been incorporated:
— Rule Change Notice 1 (Coming into force 1 April 2007)
— Rule Change Notice 2 (Coming into force 1 July 2008).
The following Corrigendas have been incorporated:
— Corrigenda 1 (April 2006)
— Corrigenda 2 (July 2006)
— Corrigenda 3 (November 2007).
The incorporated Rule Change Notices and corrigendas may be obtained from (http://www.iacs.org.uk/publications/).
Main changes adopted July 2008
(Rule Change Notice 2)
Coming into force 1 July 2008
· Sec.2 Rule Principles
— Item 3.1.8.2 has been clarified and aligned with item 1.3.2 in App.C.
· Sec.4 Basic Information
— Items 2.4.1.3, 2.4.1.4 and 2.4.1.5 are redundant and have been deleted.
— Items 2.5.1.2 and 2.5.2.1 are amended to define shear area and section modulus for primary support members with the web not perpendicular on the plate flange.
— Item 3.2.3.4 and Figure 4.3.1 have been clarified.
· Sec.6 Materials and Welding
— In Table 6.5.2, two new notes have been added, clarifying leg size limits.
· Sec.8 Scantling Requirements
— Items 1.1.2.2, 1.1.2.5 and 1.1.2.6 have been updated to comply with revision 5 (Jan 2006) of UR S11.2.1.2 through S11.2.1.5.
— Item 2.3.1.2 has been amended as strength of bilge shell is sufficiently covered by the requirements in 2.2.3.
— Items 4.2.1.1 and 4.2.4.1 have been updated to align the rules with current design practice.
· Sec.10 Buckling and Ultimate Strength
— Item 3.3.4.1 has been updated to make the definition of effective span of stiffeners consistent with CSR for Bulk Carriers.
· Sec.11 General Requirements
— In item 1.3, “Sounding pipes” have been removed from the requirements.
The sounding pipes will be covered by the requirements of the individual class Society.
· App.A Hull Girder Ultimate Strength
— In items 2.3.4.1, 2.3.5.1, 2.3.7.1 and 2.3.8.1, the buckling formula has been modified to upgrade CSR Tank in line with Rule Change 1 for CSR Bulk.
· App.C Fatigue Strength Assessment
— In Table C.1.7, the tablenotes have been clarified.
Pt.8 Ch.2 Common Structural Rules for Bulk Carriers with length 90 metres and above
· General
The present edition of the rules includes additions and amendments
decided by the Board as of December 2007, and supersedes the January
2008 edition of the same chapter, including later amendments.
The following Rule Change Notices have been incorporated:
— Rule Change Notice 1 (Coming into force 1 April 2008)
— Rule Change Notice 2 (Coming into force 1 July 2008).
The following Corrigendas have been incorporated:
— Corrigenda 1 (May 2006)
— Corrigenda 2 (January 2007)
— Corrigenda 3 (July 2007)
— Corrigenda 4 (September 2007)
— Corrigenda 5 (May 2008).
The incorporated Rule Change Notices and corrigendas may be obtained from (http://www.iacs.org.uk/publications/).
Main changes adopted July 2008
(Rule Change Notice 2)
Coming into force 1 July 2008
· Chapter 3 Sec.6 Structural Arrangements Principles
— Items 9.5.2 and 9.5.3 have been amended in order to clarify the requirement.
— In item 9.6.3, a new paragraph regarding direct strength assessment has been added.
· Chapter 4 Sec.3 Hull Girder Loads
— Item 2.1.2 has been amended and a new item 2.1.4 has been added in order to align with revision 5 (Jan 2005) of IACS UR S11.
· Chapter 9 Sec.2 Aft Part
— Item 5.1.3 has been clarified in regard to vertical extension of hull structure.
· Chapter 9 Sec.4 Superstructures and Deckhouses
— The title of item 5 has been corrected and item 5.1.1 has been amended in order to align with IACS UR S3.
— In item 5.3.1 a minor correction has been made.
· Chapter 13 Sec.1 Maintenance of Class
— Item 1.2.2 has been made consistent with Chapter 13/Section 2/3.2.2 and IACS UR Z10.2.1.2.11 (Rev. 22 June 2006).