Browse By

Tag Archives: purging

Gas Freeing

Cargo oil tanks must be water washed, purged and gas freed prior to inspection. Cargo oil tanks must NEVER be entered when inerted. Prior to gas freeing any COT or gaseous space, the hydrocarbon content must be below 2% Hc, thus ensuring that the space

tanker definitions

Tanker Definitions

The International safety guide for oil Tankers and Terminals (ISGOTT) provides definitions of tanker terminology in common usage. Some important definitions are given below. These are for the information of non–tanker students. Students on tankers should use the latest edition of the ISGOTT. Students sailing

oil tanker

Oil Tanker Cargo Tank Atmosphere Control

On a oil tanker the cargo oil tank atmosphere changes as per various operations the ship is performing. These includes the Key Cargo Operations such as:  Discharging  Tank Cleaning  Purging  Gas Freeing  Inerting  Loading   When performing these key cargo operations safely, The most important