GENERAL TERMS AND CONDITIONSA - TANKERS IN BALLAST OR VESSELS CARRYING GRADE C ONLY
(1) Tankers in ballast and vessels carrying Grade C only
are deemed to be ordinary (non dangerous) vessels, if they have been rendered gas free or
free from inflammable gases since they last carried Grade A or Grad B. They are not
subject to any of the foregoing regulations, but the Master must sign the declaration
which will be handed to him by the pilot when he comes onboard and hand it to the Canal
(2) Tankers in ballast and vessels carrying part cargo of Grade C without having been rendered gas free or free from inflammable gases since they last carried Grade A or Grade B, are subject to these Regulations.
(3) Tankers which are ballast to the level of the expansion hatch deck coming will be accepted as the equivalent of a tank which has been gas free since last transporting hazardous cargo.
(4) Tankers or vessels carrying two grades of hazardous cargoes at the same time, will be treated as vessels of the grade corresponding to that of the more volatile product.
B - LIQUEFIED GAS CARRIER IN BALLAST
Liquefied inflammable gas carrier in ballast are to be ordinary vessels, if they have been rendered gas free or free from any inflammable gas.