DNV DNV-RU-SHIPS PART 5 CHAPTER 5 PDF

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 requirements 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.

Machinery installations and their auxiliary systems that support cargo handling, are to meet the same rule requirements as if they were considered to support a main function; see Pt.1 Ch.1 Sec.1 B100.

Ships complying with applicable parts of this chapter are considered suitable for the carriage of the volatile chemicals included in Appendix A.

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, Res. MSC.5(48). The following amendments to the IGC Code are included in this edition of the rules: Res. MSC.30(61) (1992 amendments), Res. MSC.32(63) (1994 amendments), Res. MSC.59(67) (1996 amendments) Res. MSC.103(73) (2000 amendments), Res. MSC.177(79) (2004 amendments) and Res. MSC.220(82) (2006 amendments).

Gas tankers also intended for carriage of oil shall comply with Pt.5 Ch.3. If only volatile products such as light naphtha shall be carried, equivalent solutions may be accepted on some requirements applying to oil carriers.