LR VI.3 Nitrogen/inert gas systems fitted for purposes other than inerting required by SOLAS Reg. II-2/4.5.5.2
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Clasifications Register Rules and Regulations - Rules and Regulations for the Construction and Classification of Ships for the Carriage of Liquid Chemicals in Bulk, July 2022 - LR VI Cargo Tank Inerting Arrangements - LR VI.3 Nitrogen/inert gas systems fitted for purposes other than inerting required by SOLAS Reg. II-2/4.5.5.2

LR VI.3 Nitrogen/inert gas systems fitted for purposes other than inerting required by SOLAS Reg. II-2/4.5.5.2

LR VI.3.1 This section applies to systems fitted to which SOLAS regulation II-2/4.5.5.2 does not apply.

LR VI.3.2 The requirements given in Chapter 15 - Inert Gas Systems, 2.2.2, 2.2.4, 2.4.1 and 2.4.2 of the FSS Code, as amended by Resolution MSC.367(93) – Amendments to the International Code for Fire Safety Systems (FSS Code) – (Adopted on 22 May 2014) , apply to the systems as applicable.

LR VI.3.3 The requirements of LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above apply except LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above, LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above, LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above, LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above and LR VI.2 Nitrogen Generator Systems on Chemical Tankers of 8,000 tonnes DWT and above.

LR VI.3.4 Materials used in inert gas systems are to be suitable for their intended purpose in accordance with the LR Rules for Materials.

LR VI.3.5 All the equipment is to be installed on board and tested under working conditions to the satisfaction of the Surveyor.

LR VI.3.6 The two non-return devices as required by paragraph 2.2.3.1.1 of Chapter 15 - Inert Gas Systems of the FSS Code, as amended by Resolution MSC.367(93) – Amendments to the International Code for Fire Safety Systems (FSS Code) – (Adopted on 22 May 2014) are to be fitted in the inert gas main. The non-return devices are to comply with 2.2.3.1.2 and 2.2.3.1.3 of Chapter 15 - Inert Gas Systems of the FSS Code, as amended by Resolution MSC.367(93) – Amendments to the International Code for Fire Safety Systems (FSS Code) – (Adopted on 22 May 2014) ; however, where the connections to the cargo tanks, to the hold spaces or to cargo piping are not permanent, the non-return devices required by paragraph 2.2.3.1.1 of Chapter 15 - Inert Gas Systems of the FSS Code, as amended by Resolution MSC.367(93) – Amendments to the International Code for Fire Safety Systems (FSS Code) – (Adopted on 22 May 2014) may be substituted by two non-return valves.

Parent topic: LR VI Cargo Tank Inerting Arrangements
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