1.1.1 Requirements for fusion welded pressure vessels and plate heat exchangers, intended for marine purposes but not included in Pt 5, Ch 10 Steam Raising Plant and Associated Pressure Vessels, are given in Pt 5, Ch 11 Other Pressure Vessels of the Rules and Regulations for the Classification of Ships, which should be complied with.
1.1.2 For the construction and design of pressure vessels and plate heat exchangers for liquefied gas applications, see Pt 11 Production, Storage and Offloading of Liquefied Gases in Bulk.