SHIPYARDS
The Lürssen shipyard is researching in all sorts of directions to limit pollution. “One of our main focuses is on fuel cell technology,” explains Sylke auf dem Graben. “We have set up an innovation laboratory at the shipyard under real life ambient conditions and with all required auxiliary systems we consider this demonstration plant to be the final preparation to bring fuel cells on board a yacht successfully.”
As at the other yards, Lürssen has collection points for recyclable materials at the shipyard. Waste stations are dotted across the site, where waste is collected separately according to its hazardous substances and disposed of properly. Substances that are harmful to health are subject to special monitoring by the authorities. Says auf dem Graben, “Recyclables are materials that can be returned to the material cycle through reprocessing. The basic prerequisite is a proper and clean separation of the recyclables. For this purpose, coloured bins are available in all areas. There are containers for paper/cardboard, for foils, for metals, for wood, for lithium-ion batteries, for oily rags, for spray cans and residual waste.”
In practical terms at Cantiere delle Marche electric power supply is kept to a minimum by using IR detectors for human presence and photovoltaic panels are installed on shed roofs. HVAC power supply is minimised by keeping offices at 18° in winter and 26°in summertime. The yard has recently installed six fans with ducts to minimise the impact of smoke released during steel and aluminium works and sandblasting of steelworks now has a segregated area with the sandblasted material waste properly disposed of. There is also proper ventilation and a filter for chemical waste before it is released outside.
Similar methods to minimise pollution are in place at Adria Docks says Stjepan Lučin. “One of the most important facts is that we don’t use sandblasting in our production activities for hull cleaning but water jetting instead. We also use different protective barriers and safety procedures for prevention of contamination of the surrounding atmosphere.”
The Italian Sea Group (TISG) has significantly invested in a photovoltaic plant that will cover four sheds in the main shipyard in Marina di Carrara; 5,375 solar panels will be installed to cover a total surface of 22,000 square metres. The idea is that this will cover 25% of the shipyard’s yearly energy consumption, leading to a yearly reduction of 1,208 tons of CO2 emissions. The project will be completed by March 2023, and plans are underway to install the same at La Spezia shipyard. TISG also buys 100% of its energy from renewable sources.
As far as materials are concerned, TISG has chosen to focus on recyclable materials such as aluminium and steel for hull construction even in the lower dimensional ranges of yachts (e.g. 24 metres up), thus drastically limiting the use of fibreglass, the production of which has a strong environmental impact.
Like the other yards, TISG has also adopted a waste reduction management system to recycle production off-cuts and supplied goods packaging. Alternative propulsions are also under scrutiny to best identify how the use of yachts can become more sustainable and to reduce emissions when clients use the yachts.
ORAMS MARINE In the heart of the Pacific’s cruising grounds, Orams Marine has created the superyacht hub of the South Pacific. Multiple travel lifts, ranging from 820 tonne, to 85, and 75 tonne, and a 600 tonne slipway, mean a wide range of vessels can access the central Auckland hardstand. Two new 60 metre superyacht buildings are part of a multi-year development to keep Orams Marine’s facilities at the cutting edge of refit yards and will be large enough to accommodate the 820 tonne travel lift, for refit work in a controlled environment. They join six new 90 metre marina berths with deep draft and no air draft restriction, complementing six existing marinas, a state-of-the-art hardstand water management system, in ensuring yachts in the Pacific have world-standard refit facilities. For more details Tel: +64 9 303 9999 or visit
www.oramsmarine.co.nz
ONBOARD | WINTER 2023 | 123
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