Isle of Wight-based Carisbrooke Shipping has installed two ballast water treatment systems from Norway’s Optimarin, using its own crew during normal ship operations and with no downtime. The most recent installations mean that the shipowner has now installed six Optimarin systems, part of a fleet-wide frame agreement signed in 2016.
The first four systems were installed during scheduled drydockings. The latest treatment system has been commissioned on board the 8,960dwt Vectis Falcon, one of a class of ships that regularly trade in US waters. Captain Simon Merritt, senior fleet manager at Carisbrooke, explained that because US compliance dates come earlier than those of the IMO, it made sense for the company to install the systems itself.
Following discussions with Optimarin, it became evident that this was indeed a possibility, he said. The system could be installed during scheduled operations, with zero disruption. “The benefits of that were obviously very compelling, so we thought ‘yes, let’s go for it’.”
Optimarin has now sold about 1,000 systems, of which around 600 have been installed. Of these, approximately 40% are retrofits.