With the inert gas system, the protection against tank explosion is achieved by introducing inert gas into the tank to keep the oxygen content low and reduce the hydrocarbon gas concentration of the tank to a safe proportion. Flammable limits A mixture of hydrocarbon gas and air cannot ignite unless…View More Inert Gas System
Tank cleaning on Chemical tankers is preliminary done by washing with sea water followed by fresh water rinsing. Subsequent tank cleaning and treatment of tanks is done upon cargo to be loaded and previous cargo carried. This initial washing with seawater or fresh water is carried out either by fixed…View More Tank Cleaning Procedure on Chemical tanker
Following are list of items to be checked during safety and security rounds by Duty Officer on an Oil/Chemical Tanker. (Similar Checks can be done on other type of Ships) 1. To check rat guards in place after mooring completion. 2. To confirm if pilot ladder is rigged on sea…View More Important Items to be checked by Duty Officer during Rounds
Following precautions should be taken when loading heavy lift on ships Carry out a Risk Assessment prior to commencing the operation to ensure that all possible areas of hazard are taken account of and that all risks are at an acceptable, tolerable risk level. Ensure that the stability of the…View More Precautions when loading Heavy lift on ships
Any cargo that has to be loaded, maintained and/or carried at a certain temperature in order for it to reach its destination without deterioration is classed as refrigerated cargoes. This includes meat, fish, poultry products, dairy products, drugs and experimental samples. Refrigerated cargoes are perishable to a greater or lesser degree, and their…View More What are refrigerated cargoes?
After unloading of cargo it is very important the responsible officer does a proper inspection and preparation of Holds. Inspection of hold helps identify for structural damage or defects in the hold. It also help to know if any damage done by the stevedores, and same can be mentioned in…View More Inspection and Preparation of Holds