ABS has issued guide to outline the equipment and arrangement requirements that are identified in the International Safety Guide for Oil Tankers and Terminals (ISGOTT) for Oil Carriers. This Guide includes enhanced criteria for the cargo oils and associated systems such as the ballast system, gas testing equipment, cargo vapor emission control systems, tank cleaning and gas-freeing systems.
Also, this Guide provides criteria for the notation ABS-ISGOTT, which is offered to Oil Carriers which are provided with the supplementary equipment and arrangements specified herein. The requirements and notation identified in this Guide are optional for classification.
Learn more by reading ABS Guide
Source: ABS