10/17/2018: U.S. Ballast Water Management Requirements: Operational limitations in type approval testing

This post provides information on a letter recently sent to the Coast Guard accepted independent laboratories providing guidance for evaluating manufacturer-identified operational limitations during type approval testing of ballast water management systems. The letter clarifies the responsibilities of the BWMS manufacturer, the Coast Guard accepted IL, and the Coast Guard, with regard to evaluating and assessing operational limitations of BWMS.


10/11/2018: Ballast Water Management & Technology North America conference – Recap of presentation on extensions, type approval and next steps

Continuing our coverage of September’s Ballast Water Management and Technology North America conference, staff from the Office of Operating and Environmental Standards and the Marine Safety Center gave conference attendees an update on various aspects of the Coast Guard’s ballast water program. This post recaps those presentations for the benefit of our readers who were unable to attend.


10/9/2018: Marine Safety Center receives 18th application for BWMS type approval

The Coast Guard Marine Safety Center received its 18th application for Ballast Water Management System type approval for the NK-O3 BlueBallast II Plus Ballast Water Management System manufactured by NKBMS Co. Ltd.


9/14/2018: Updated Plan Review Guidelines from Marine Safety Center

For the convenience of our readers, Maritime Commons will regularly announce when the Marine Safety Center posts updates to its Plan Review Guidelines and Design Verification Guidelines website. This post contains the updates for August.


9/5/2018: Marine Safety Center receives 17th application for BWMS type approval

The application is for the NK-O3 BlueBallast II Ballast Water Management System manufactured by NKBMS Co. Ltd.


8/30/2018: Marine Safety Center issues Ballast Water Management System Type Approval Certificate to Wartsila Water Systems, Ltd.

The treatment principle of the Wartsila Aquarius EC BWMS consists of filtration with electrolysis during uptake and neutralization at discharge. This approval covers models with maximum treatment rated capacities between 250 m3/h and 4,000 m3/h.


8/24/2018: Updated Plan Review Guidelines from Marine Safety Center

For the convenience of our readers, Maritime Commons will occasionally announce when the Marine Safety Center makes updates to Plan Review Guidelines and Design Verification Guidelines posted to its website. This post provides links to the PRGs updated during the month of July 2018.


7/25/2018: Marine Safety Center receives 16th application for ballast water management system type approval

The Marine Safety Center received its 16th application for Ballast Water Management System type approval for the inTank™ Ballast Water Management System manufactured by Envirocleanse, LLC.


7/16/2018: Covered areas on open decks – risks and requirements for passenger vessels

The evolution of passenger amenities on cruise ships has far surpassed the original language of the existing regulations. This is particularly evident on open deck areas where the current trend to situate a variety of cooking, dining, and entertainment options has increased the fire risk. When combined with an overhanging deck, awning, or similar covered area, these risks are compounded. This post provides information and guidance to minimize the risk of fires stemming from overhanging decks on board passenger ships.


6/20/2018: Marine Safety Center issues Ballast Water Management System type approval certificate to BIO-UV Group

The Marine Safety Center issued the ninth Coast Guard Ballast Water Management System type approval certificate to BIO-UV Group, after a detailed review of the manufacturer’s type approval application determined the system met the requirements of 46 CFR 162.060.


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