HOVIK, Norway – DNV GL has published what it says is the first industry standard providing guidance on offshore personnel transfer by gangway. The classification society says that DNVGL-ST-0358 will contribute in documenting and securing safe operational performance of offshore gangway solutions and contribute to predictability and transparency within the industry.
Offshore gangways are used as a bridge between two vessels or between a fixed object and a floating installation to transfer people, cargo, or equipment. For offshore operations, offshore gangways provide a safe and cost-effective alternative to personnel transfer by helicopter, basket transfer, or boat landing.
Per Arild Åland, business development, Offshore Classification, DNV GL – Maritime, said: “By addressing a complete set of requirement for materials, strength, safety and functionality as well as testing and recommended in-service follow-up, we have created a specific and dedicated standard to make gangway operation safer and more efficient.”
Until now, the ISO7061 standard from 1993 has partly served as a reference document by industry for offshore gangway applications despite only addressing ship-to-shore transfers. Next to the ISO07061, offshore gangways are also certified against man-riding crane standards. The limited relevance and lack of offshore specific requirements has driven the development for a dedicated offshore gangway standard providing in-depth and specific guidelines on offshore gangway operation.
In 2013, DNV GL gathered major industry players in a joint industry project to examine offshore gangway transfer operations. Experience gained through this W2W ("walk-to-work") project resulted in the publication of an industry guidance to assist offshore facility operators achieve safe and efficient personnel transfers to/from their facilities via a gangway system on a workboat, ship or semisubmersible.
The new standard, DNVGL- ST-0358, is the result of further development of this work and continuous DNV GL research. It covers the majority of gangway operations offshore, including where there is controlled or uncontrolled people flow.
The Standard for Certification of Offshore Gangways reflects the experience gathered on all relevant operating modes and will contribute to predictability and transparency, and at the same time help to reduce risk in personnel transport offshore.
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