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Most would agree that crew accommodation size is continuously reducing onboard new ships. Many of us have seen big crew cabins, big lounges and big gymnasiums onboard ships. However there is a trend now to have the minimum possible size of the cabins, smaller lounges and no gymnasiums onboard ships. Many suppose the reason behind this is the owner’s desire to use lesser steel and hence reduce the cost of building ship.
However this is not entirely true. By having smaller accommodations, the owners do not just save the steel cost but also the port dues that will be incurred for the life of the ship. The port dues are based on Gross tonnage of the vessel. More the gross tonnage more will be the port dues. The larger accommodations add to the gross tonnage of the ship.
Gross tonnage calculation is defined by regulation 3 of The “International Convention on Tonnage Measurement of Ships, 1969” and is based upon two variables
• V, the ship’s total volume in cubic meters (m3), and
• K, a multiplier based on the ship volume.
where
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About Capt Rajeev Jassal
Capt. Rajeev Jassal has sailed for over 24 years mainly on crude oil, product and chemical tankers. He holds MBA in shipping & Logistics degree from London. He has done extensive research on quantitatively measuring Safety culture onboard and safety climate ashore which he believes is the most important element for safer shipping.
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