This Paper is descrine the influence of The 1969 International Tonnage Measurement Convention which is aimed to establish a truly international and uniform measurement system of ships, from ship design and would lead to safer ships.
Based on experience and factual data, maritime industry experts including naval architects, shipbuilders and classification societies have come to the conclusion that the 1969 Tonnage Measurement rules as presently applied, has as major detrimental
effect that although ships are being built, within all the stated rules, they are less safe than they could and should be.
The problem now lies in finding workable alternatives. These will inevitably have to take into account the type of vessel and the purpose that is being pursued by the use of a vessel measurement standard.
If it is accepted that an adaptation of the GT measurement rules or a new measurement regime is necessary, the result should be an unambiguous, incontestable and consistent set of proposals.[yirf]
The Gross Tonnage of a ship is determined by (The 1969 International Tonnage Measurement Convention)
* GT=K1 * V
* where V is the total volume of all enclosed spaces of the ship in cubic meters and
K1 = 0.2 + 0.02log10 (V)
TABLE OF CONTENTS
2. THE TONNAGE MEASUREMENT CONVENTION: MAIN FEATURES AND CONSEQUENCES
3. IMPACT OF GROSS TONNAGE ON SHIP DESIGN
4. COST CONSEQUENCES OF THE GROSS TONNAGE MEASUREMENT
(Shipbuilding Costs - Crew Costs - Voyage Costs - Port, canal and light dues - Insurance costs -
5. ALTERNATIVES SOLUTIONS TO THE USE OF GROSS TONNAGE MEASUREMENT
6. CONCLUSIONS AND RECOMMENDATIONS
#Title : Consequences of the Gross Tonnage (GT) measurement
#Author : Gustaaf De Monie, Senior Director
#Sub-Committee on Stability and Load Lines and of Fishing Vessels Safety
#London, 13 September 2005
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