GUIDANCE MANUAL FOR TANKERS STRUCTURES, CONSOLIDATED 

This consolidated edition combines in one guidance manual the various sources of information necessary for assessing the condition of ballast and cargo tank structure of tankers in service.

This revision includes IACS Recommendation No. 72: Confined Space Safe Practice ? Rev.3 Dec 2018 and IACS Unified Requirements (UR) Survey and Certification: Z10.4 Hull Surveys of Double Hull Oil Tankers (Rev.16 May 2019), where changes introduced in Rev.16 are to be uniformly applied by IACS Societies for surveys commenced on or after 1 July 2020.