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Committee On Ship Design And Construction News

10 Jul 2023

SHI Uses Sonar to Analyze Underwater Radiated Noise

source: IMO

Samsung Heavy Industries (SHI) has tested technology to precisely analyze the radiated noise of ships underwater using sonar.The technique measures the intensity, direction, and distance, and SHI has used it to precisely analyze the cause of noise emitted from a 174,000cbm LNG carrier.SHI is using the technology to forecast noise depending on speed and draft and aims to expand it beyond propellers to include underwater radiated noise from engines and machinery.The IMO is considering regulations on underwater noise, as it can adversely affect animals such as whales.

19 Jun 2023

IMO to Review GHG Strategy and More at MEPC 80

MEPC 79 (Source: IMO)

The IMO’s Marine Environment Protection Committee (MEPC) - 80th session will meet at IMO Headquarters in London from July 3-7, and amongst key agenda items, the MEPC 80 session is expected to adopt an upgraded IMO greenhouse gas strategy.The revised IMO GHG Strategy will contain concrete greenhouse gas reduction targets for the sector and is expected to outline a range of technical and economic measures. Negotiations have been ongoing and will continue during the Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG-GHG 15)…

30 Jan 2023

IMO Targets Subsea Ship Noise with New Draft Guidelines

Copyright Coffeemill/AdobeStock

Draft revised Guidelines for the reduction of underwater noise from commercial shipping to address adverse impacts on marine life have been agreed by the IMO Sub-Committee on Ship Design and Construction (SDC 9), which met January 23-27, 2023.The draft guidelines recognize that commercial shipping is one of the main contributors to underwater radiated noise (URN) which has adverse effects on critical life functions for a wide range of marine life, including marine mammals, fish and invertebrate species…

12 Nov 2020

Addressing the New IMO Guidelines for Second Generation Intact Stability

A typical effective wave slope function used in the assessment of the Dead Ship Level 2 Failure Mode, with comparison between ABS and GHS output. Image Courtesy Creative Systems/ABS

The common perception of intact stability has remained largely unchanged over the last few decades, where a vessel’s stability is evaluated using classical and static means: limits on righting arms, residual areas, and determining maximal VCG (or minimal GM) composite curves. These methods are familiar to most naval architects and are taught at a fundamental level in most naval architecture engineering programs.But repeated incidents of dynamic failure in recent decades brings question to the adequacy of classical static stability criteria to provide a complete understanding of…

03 Feb 2020

SDC 7 to Finalize Ship Stability Criteria

International Maritime Organization (IMO) 's Sub-Committee on Ship Design and Construction (SDC 7), meeting at IMO Headquarters (3-7 February), is expected to finalize a comprehensive set of interim guidelines on second generation intact stability criteria, including guidelines on vulnerability criteria, direct stability failure assessment and operational measures.According to the UN body the aim is to produce a set of guidelines for trial use. The session will also further develop associated explanatory notes.The Sub-Committee is also set to finalize draft amendments to the Revised Explanatory Notes to SOLAS chapter II-1 subdivision and damage stability regulations.For a ship to be considered seaworthy and safe it must be designed to remain stable and afloat in all conditions…

04 Feb 2019

Safe Mooring Rule Getting Ready

International Maritime Organization (IMO) work to preventing accidents when ships are being moored at their berth in a port continues this week.According to the UN body,  a draft SOLAS regulation aimed at better protecting seafarers and shore-based mooring personnel from injuries during mooring operations is set to be finalized by the Sub-Committee on Ship Design and Construction (SDC 6).The meeting (4-8 February) also aims to complete draft guidelines on the design of mooring arrangements; and on their inspection and maintenance; as well as to revise existing guidelines on shipboard towing and mooring arrangements.Safety measures for non-SOLAS ships operating in Polar waters, not currently covered by the Polar Code, are also on the agenda.

24 Jan 2018

IMO: Mooring Matters

International Maritime Organization (IMO) is working to prevent accidents and injury when ships are secured at their berth in a port. A revised SOLAS regulation on safe mooring is expected to be finalised when the  Sub-Committee on Ship Design and Construction (SDC) meets this week (22-26 January). The meeting will also further develop new and revised related guidance to support the safe use of equipment, including mooring lines, pulleys, winches and so on. Other important items on the agenda include guidelines and regulations for passenger ships in the event of flooding. Ships should be designed so that essential systems remain operational after a casualty.

13 Feb 2017

Ship Design and Construction Matters

​The Sub-Committee on Ship Design and Construction (SDC) meets for its fourth session this week (13-17 February). Key topics on the agenda include the expected finalization of draft explanatory notes to the SOLAS chapter II-1 subdivision and damage stability regulations and the completion of draft interim guidelines for use of fibre reinforced plastic elements within ship structures. Also on the agenda is the further development of a draft new SOLAS chapter and related Code on the safe carriage of more than 12 industrial personnel on board vessels engaged on international voyages; work on evacuation analysis for passenger ships; and the ongoing development of second generation intact stability criteria.

20 Jan 2016

World Maritime Day Theme Launched

The critical link between shipping and global society is the main focus for this year’s World Maritime Day theme: "Shipping: indispensable to the world". The theme for 2016 was launched by IMO Secretary-General Lim as he opened the Sub-Committee on Ship Design and Construction (18 January). Mr. Lim said that without shipping, importing and exporting goods on the scale necessary to sustain the modern world would simply not be possible. He encouraged Member States and the entire shipping community to join in this opportunity to promote shipping to a global audience and to raise awareness of the relevance of the role of IMO as the global regulatory body for international shipping.

20 Jan 2016

Offshore Service Craft in Focus

Defining “industrial personnel”, such as workers transported on offshore service vessels, is among the topics on the agenda of International Maritime Organization (IMO)’s Sub-Committee on Ship Design and Construction (SDC). People travelling on these vessels are likely to have had specific training and abilities and may differ from ordinary “passengers”, therefore defining “industrial personnel” is important when it comes to setting safety standards for vessels such as wind farm service craft. Other topics on the agenda include the revision of subdivision and damage stability regulations in SOLAS chapter II-1; passenger ship matters…

02 Jun 2014

IMO's MSC Meeting Approves Important SOLAS Amendments

IMO informs that its Maritime Safety Committee (MSC) has adopted important SOLAS amendments related to inert gas systems as well as amendments to a number of treaties to bring into force the mandatory IMO audit scheme. In addition it has approved, in principle, the draft Polar Code and related amendments to make the Code mandatory under SOLAS, with a view to formal adoption at its next session in November. The MSC met at the Organization's London headquarters for its 93rd session, from 14 to 23 May 2014. The MSC approved, for consideration with a view to adoption at its November 2014 session (MSC 94), the draft new SOLAS chapter XIV “Safety measures for ships operating in polar waters”…

26 Mar 2014

IMO’s MEPC Meets for 66h Session

The Marine Environment Protection Committee (MEPC) of the International Maritime Organization (IMO) meets for its 66th session from 31 March to 4 April 2014, at IMO Headquarters in London. Items on the agenda include the consideration of proposed amendments to the MARPOL to make the audit scheme mandatory;  the review of environmental provisions in the draft Polar Code and associated draft amendments to make the Code mandatory, and the implementation of energy-efficiency regulations and the Ballast Water Management and Ship Recycling Conventions. The MEPC will consider, with a view to adoption, draft amendments to MARPOL Annexes I through to VI to make the use of the IMO Instruments Implementation Code (III Code) mandatory.

31 Jan 2014

IMO Update: Shipping in polar waters

Development of an international code of safety for ships operating in polar waters (Polar Code). IMO is developing a draft mandatory International Code of safety for ships operating in polar waters (Polar Code), to cover the full range of design, construction, equipment, operational, training, search and rescue and environmental protection matters relevant to ships operating in the inhospitable waters surrounding the two poles. The work is being co-ordinated by the  Sub-Committee on Ship Desgin and Construction (SDC)  - formerly the  Sub-Committee on Ship Design and Equipment (DE). At its first session (20 to 24 January 2014), the SDC…

23 Jan 2014

IMO Tackles Shipping in Polar Waters

Photo: vessels operating in ice environment (IMO)

Development of an international code of safety for ships operating in polar waters (Polar Code), IMO is developing a draft mandatory International Code of safety for ships operating in polar waters (Polar Code). The work is being coordinated by the  Sub-Committee on Ship Desgin and Construction (SDC)  - formerly the  Sub-Committee on Ship Design and Equipment (DE). During 2013, the DE sub-Committee  made significant progress in further developing the draft Polar Code, in particular with the finalization of a draft chapter on environmental protection.

22 Jan 2014

Ship Safety Core of IMO Sec-Gen's New Year Address

MO Secretary-General Koji Sekimizu and SDC Chairman 

Speaking at the first meeting of the newly-formed IMO Sub-Committee on Ship Design and Construction, IMO Secretary-General Koji Sekimizu has delivered his New Year Address outlining some of the targets, challenges and priorities the Organization in year 2014. Mr. Sekimizu recalled that he was speaking on the day of the 100th anniversary of the adoption of the first ever Safety of Life at Sea Convention (SOLAS), which was a direct response to the sinking of the Titanic in 1912.

21 Jan 2014

Sekimizu Launches Maritime Day Theme

IMO Secretary-General Koji Sekimizu (Photo: IMO)

IMO Secretary-General Koji Sekimizu has launched this year’s World Maritime Day theme, “IMO conventions: effective implementation”, expressing the hope that the year would see genuine progress towards effective and global implementation of all IMO conventions. Speaking at a reception to mark the launch of the theme, at the end of the first day of the first session of the Sub-Committee on Ship Design and Construction (SDC), Sekimizu said the theme provided an opportunity to shine a spotlight on those IMO treaty instruments which have not yet entered into force…

18 Oct 2013

Interferry Urges Proactive Approach to Industry Challenges

Johan Roos, Interferry’s executive director

More than 250 top-level delegates attended trade association Interferry’s 38th annual conference in Malta to debate the major factors affecting ferry operations around the world. Under a new format mixing presentations with panel discussions and audience input, the event underlined the diversity of political, technical, operational and commercial issues challenging the industry. Among several sessions focused on safety, a former airline pilot confirmed the alarming certainty of human error…