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Marine Environment Protection Committee 40th Session 18-25 September 1997 MARPOL Convention - amendments and revisions … "the Committee approved in principle the COULOMBI EGG tanker design concept. The design is an alternative to the double hull concept and is based on a series of centre and wing tanks, divided by horizontal bulkheads. Upper wing tanks form ballast tanks which act as emergency receiver tanks for cargo should the lower tanks be fractured. The Sub-Committee on Bulk Liquids and Gases (BLG) earlier this year agreed the COULOMBI EGG design fulfilled the requirements for oil outflow calculations and therefore should be considered an alternative design under MARPOL Regulation 1/13F(5). Regulation 13F makes double hulls and bottoms mandatory for new tankers, but allows for alternative designs to be accepted as long as they provide at least the same level of protection. The United States does not consider the COULOMBI EGG tanker design as equivalent to the double hull design and tankers meeting the Coulombi Egg design will not be allowed in United States ports." For comments about the US refusal to
accept the COULOMBI EGG tanker The Europan Commission presented a
series of legislative measures in its Communication (COM
(2000) 142 final) on the "safety of seaborne oil
trade" in March 2000. The Communication is found on the
following address  The European Commission, as the IMO, has included the single hull COULOMBI EGG as an equivalent design tanker, in its proposal for an accelerated phasing-in scheme for double hull or similar type tankers with superior protection than conventional single hull. Contact anders.bjorkman@wanadoo.fr
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