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ENGINEERING: Inter-Compartment Sound Transmission Regulations and Testing
Complying with International Maritime Organization Resolution MSC.337(91) Noise Level CodeOne of the best things a marine operator can do for its crew or passengers is prioritize their comfort by reducing shipboard noise. Commercial and military marine vessels can be subject to very high noise levels produced by everything from onboard activities to aircraft. At worst, this noise can be hazardousâdisruptively noisy environments can lead to discomfortâŚ
Seattleâs Terminal 5 Closer to Becoming âBig Ship Readyâ
The Port of Seattle has completed the environmental analysis of Terminal 5 and has prepared the Final Environmental Impact Statement (FEIS) on the project to modernize the cargo-handling facility in order to serve larger cargo vessels. The proposed upgrades to Terminal 5 are wharf rehabilitation, berth deepening, electrical service and improvements to the upland portions of the property. âBased on public comment we are including a number of improvementsâŚ
Silence Your Ships
Anthropogenic (manmade) sound is creating havoc among marine mammals and other aquatic species. These creatures have very sensitive hearing, which they rely on to find food and mates and (for some) to communicate and navigate. Sound waves can travel much further and with much less loss of strength in water than in air. In pre-industrial times, the oceans were relatively quiet. Sailing ships generated almost no subsurface noise.
ClassNK Publishes Latest Noise Code Guideline
ClassNK has released its Guideline for the Mandatory Code on Noise Levels on Board Ships (Second Edition). ClassNK's first edition of the Guideline for the Mandatory Code on Noise Levels on Board Ships was released in July 2014, when the Code on Noise Levels on Board Ships became mandatory, to provide the industry with a summarized outline of the revised Code, a general method of noise prevention and FAQs.
ClassNK's Ueda Completes Term as ACS Chairman
ClassNK Chairman and President Noboru Ueda successfully fulfilled his term as Chairman of the Association of Asian Classification Societies (ACS) at the end of 2014âŚ
Whatâs All the Noise at IMO?
Shipping may think they hear the sound of new regulations as they are slammed onto their desks. What is all the noise concerning noise at IMO? This may very well be the question from ship owners, operators and builders closely following activities at the International Maritime Organization (IMO). In 2013, IMO issued mandatory regulations for shipboard airborne noise and earlier this year IMO internal committees approved new draft guidelines for minimizing underwater noise.
Hong Kong Requirements for Noise Protection
The IMO Code on Noise Levels On Board Ships (the âNoise Code 2012â) enters into force on 1 July, 2014, under new SOLAS regulation II-1/3-12*. The Hong Kong flagâŚ
The NOISE Code
Maritime Safety Committee adopted the Code on Noise Levels on board Ships, Resolution MSC.337(91), commonly referred to as the Noise Code. The Noise Code is being made mandatory by means of Resolution MSC.338(91), which amends the SOLAS Convention to add new Regulation II-1/A-1/Reg. 3-12 â Protection against noise. In accordance with this new regulation, the Noise Code will apply to ships of 1,600 gross tonnage and above: (1) for which the building contract is placed on or after 1 July 2014âŚ