DNV DNV-RU-SHIPS PART 5 CHAPTER 5 [ Revised ]

Application

The Rules in this Chapter apply to ships which are intended for the carriage of the liquefied gases listed in Appendix A, List of Cargoes - Tanker for Liquefied Gas. The require ments are supplementary to those for assignment of main class. The additional hazards considered in this Chapter include fire, toxicity, corrosivity, reactivity, low temperature and pressure.

Ships complying with applicable parts of this Chapter are considered suitable for the carriage of the volatile chemicals included in Appendix A, List of Cargoes - Tanker for Liquefied Gas.

The requirements of this chapter are considered to meet the requirements of the International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk, IGC Code. The first set of amendments to the IGC Code Res. MSC.30(61), are included.

The International Association of Classification Societies, IACS, interpretations of the IGC Code have also been incorporated in the rule text of this chapter.

Gas tankers also intended for carriage of oil are to comply with the Rules for Oil Carriers, Ch.3. If only volatile products such as light naphta are to be carried, equivalent solutions may be accepted on some requirements applying to Oil Carriers.

Gas tankers of 20 000 tonnes deadweight and above are to be fitted with an emergency towing arrangement in accordance with Pt.3 Ch.1 Sec.8 E600.