Iranian Classification Society Rules

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1. The structures below the LNG fuel tanks are to be reinforced in accordance with Ch 3, 102.

and 108. of Guidance for Gas-fuelled Ships.

2. The following plans and documents are to be submitted to the Society for approval.

(1) Detail drawing of LNG fuel tanks and support of LNG fuel tanks

(2) Material specification for tank support and steel grade selection for the hull in way of the tank

(3) Welding procedures, stress relieving procedures and non-destructive testing plans

(4) Specification of design loads and structural analysis for the LNG fuel tank supporting structure


303. LNG fuel tank