Maersk transforms 8,700 TEUs into 10,000 TEUs by stacking size of ships

Danish shipping giant, Maersk Line is increasing the size of individual ships from 8,600 Twenty foot equivalent unit (TEUs) to 10,000 TEUs by raising the wheelhouse  and adding another layer of containers on deck, TR – Bureau reports.
This process has been started on Maersk's 16S class ships, reports source. Raising the bridge allows another tier of boxes, thus increasing capacity.
The reconstruction work has already started at Bei Hai shipyard in Qingdao, and is expected to be done by October next year with the company expecting to increase fleet capacity by 52,000 TEUs.
"We will lower the slot costs on these vessels and also reduce the CO2 emissions per container moved, meaning we'll be able to be more competitive and with a lower environmental impact true undisputed leadership," said Mr. Abhijat Chahal, of Maersk Line Vessel Management.
No mention was made in the CI report about the impact on seaworthiness. The initiative recalls the famous ill-fated Vasa, a Swedish warship of 1628 built top-heavy with little ballast. It foundered and sank less than a nautical mile on its maiden voyage. The Vasa represented Sweden's "great power period".