The Guidance Manual for Tanker Structures, Consolidated Edition 2027 brings together the information needed to survey, assess, maintain and repair the structure of tankers in service, including ballast tanks and cargo tanks. It's produced with the guidance of the Tanker Structure Co-operative Forum (TSCF).

Edition at a glance

What this edition covers

• Written for today's double hull oil tanker fleet
• Aligned with IACS Unified Requirement Z10.4, Hull Surveys of Double Hull Oil Tankers (Rev.18, February 2023), applied to surveys starting on or after 1 July 2024
• Includes Chapter 15 of the Code of Safe Working Practices for Merchant Seafarers (COSWP, 2026 Edition) on safe entry into enclosed spaces

What's inside

• Survey preparation: requirements, safety, access and thickness measurement
• Survey execution: special, annual and intermediate surveys and owner's surveys
• Survey data analysis: steel, coating and cathodic protection condition
• Maintenance and repair: pitting, steel renewal, reinforcement and repair strategy
• Appendices including a catalogue of structural detail failures and corrosion rate studies

Who uses it

Tanker superintendents, surveyors and class society staff, ship repair yards, and crews preparing for hull surveys and inspections.