Liquefied Gas Carrier

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Liquefied Gas carrier operation - Ships Readiness to Move

At all times during discharge, loading and ballasting operations the ship should have adequate stability and suitable trim to allow for departure at short notice in the event of an emergency. While berthed at a terminal, the ship’s boilers, main engines, steering machinery, mooring equipment and other essential equipment should be kept ready to permit the ship to move from the berth at short notice, and in accordance with the terminal regulations.





The information contained in the ship’s Loading and Stability Booklet is to be taken into account. Care is to be taken to ensure that the distribution of cargo and ballast at no time creates excessive stress on the hull; stress measuring devices, if fitted are to be used to verify this. While berthed at a terminal the ship’s boilers, main engines, steering machinery and other essential equipment is normally to be kept ready to permit the ship to move from the berth at short notice.

Repairs and other work which may immobilize the ship must not be undertaken at a berth without prior written agreement of the terminal. It may also be necessary to obtain permission from the local port Authority before carrying out such repairs or work.

All vessels are contracted with an approved Damage Stability Provider, who is able to quickly assess the vessel stability and advise suitable actions in the event of an emergency resulting in the stability of the vessel being compromised. All vessels are required to submit a copy of the stability and stress printout to the DPA, after any cargo, ballast or bunker operations which result in a change of vessel trim, draft and stability.

Repairs and other work which may immobilize the ship should not be undertaken at a berth without the prior written agreement of the terminal. It may also be necessary to obtain permission from the local Port Authority before carrying out such work.

Related Information:

  1. Engine and Boiler Room Precautions


  2. Cargo Machinery Room Precautions


  3. Gas cargo containment systems - primary barrier (the cargo tank),secondary barrier, thermal insulation and more


  4. Type of gas carriers - variation in the design, construction and operation



Cargo Information - physical and chemical properties necessary for the safe containment of the cargo

Reactivity of liquefied gas cargo



Emergency Towing-Off Wires (Fire Wires) for gas carrier

Means of access to ship - gas carrier guideline

Access control in gas carrier - Precautions against Visitors

Standards for use of Mobile-phone in gas carrier

Precautions against abnormal weather or other conditions



External links :

  1. International maritime organization




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