SHIPS CARRIAGE OF OILS AND FATS

SHIPS ENGAGED IN THE CARRIAGE OF OILS AND FATS IN BULK
FOR EDIBLE AND OLEO-CHEMICAL USE

Ships shall be fully classed by a classification society in membership of the International Association of Classification Societies, Cargo Tanks and Cargo Handling Facilities was Copper and its alloys such as brass, bronze or gun metal shall not be used for any part of the system installation and means of transport that has contact with the oils or fats.

Tanks, other than those of stainless steel, shall be coated, with the exception of mild steel tanks as specified in the FOSFA Operational Procedures. Only coatings suitable for food grade products and for the carriage of the oils or fats shall be used. Zinc silicate coated tanks shall not be used for crude oil unless the acid value is 1 or under.

Ships tanks which have been newly coated or fully re-coated, or stainless steel tanks that have been cleaned and passivated under the supervision of a qualified independent surveyor in a drydock/shipyard/repair facility where the ship must have spent a minimum period of 7 consecutive days, shall be considered as new buildings. Cargoes carried prior to the date of such coating or passivation shall not be considered as relevant.

The shipowner is required to provide the independent certification of such procedures and to declare the three previous cargoes carried.

Heating coils within tanks, and tubes and internal shell of heat exchangers shall be of stainless steel construction only.
Cargo lines shall preferably be of stainless steel construction with sufficient drain valves.

All valves which may come into contact with oils or fats shall preferably be of stainless steel construction.
Tank access/cleaning hatches to be staunch and tight with suitable packing and gaskets compatible with the cargo