1.1.1 The requirements specified in Pt 4, Ch 9 Double Hull Oil Tankers are applicable to small conventional single hull oil tankers where relevant, together with the additional requirements of this Chapter.
1.1.2 For tankers intended to load or unload whilst aground, see Pt 3, Ch 9, 7 Bottom strengthening for loading and unloading aground.
1.2.1 Sea-going ships complying with the requirements of Pt 4, Ch 9 Double Hull Oil Tankers, where relevant, together with the additional requirements of this Chapter will be eligible to be classed 100A1 Oil Tanker, ESP.
1.2.2 The Notation ESP serves to identify the ships as being subject to an Enhanced Survey Programme as detailed in Pt 1, Ch 3, 3 Intermediate Surveys - Hull and machinery requirements and Pt 1, Ch 3, 7 Special Survey - Oil tankers (including ore/oil ships and ore/bulk/oil ships) - Hull requirements, see also Pt 1, Ch 2, 2 Character of classification and class notations.