Bulk Carriers – Guidelines for Surveys, Assessment and Repair of Hull Structures (IACS Rec 76)

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Published Date

November 2017

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Bulk Carriers – Guidelines for Surveys, Assessment and Repair of Hull Structures (IACS Rec 76)

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Updated to reflect IACS Rec 76, this publication provides guidelines for the survey, assessment and repair of bulk carrier hull structures.

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These guidelines focus on IACS Member Societies' survey preparation guidelines and concentrate on bulk carrier ships that carry dry cargo, including ore, in bulk.


The book provides an outline of survey planning, preparation and execution (including Class requirements and technical background), as well as examples of structural deterioration and damage related to each structural area, demonstrating what to be aware of as well as possible causes and repair methods.

Chapter 1: Introduction


Chapter 2: Class Survey Requirements
2.1 General
2.2 Annual surveys
2.3 Intermediate surveys
2.4 Special surveys
2.5 Drydocking (Bottom) surveys
2.6 Damage and repair surveys


Chapter 3: Technical Background for Surveys
3.1 General
3.2 Definitions
3.3 Structural damages and deterioration
3.4 Structural detail failures and repairs
3.5 IACS Early Warning Scheme (EWS) for reporting of significant hull damage


Chapter 4: Survey Planning, Preparation and Execution
4.1 General
4.2 Survey programme
4.3 Principle for planning document
4.4 Conditions for survey
4.5 Access arrangement and safety
4.6 Personal equipment
4.7 Thickness measurement and fracture detection
4.8 Survey at sea or at anchorage
4.9 Documentation on board


Chapter 5: Structural Detail Failures and Repairs
5.1 General
5.2 Catalogue of structural detail failures and repairs

The International Association of Classification Societies (IACS) is introducing a series of manuals with the intention of giving guidelines to assist the surveyors of IACS Member Societies, and other interested parties involved in the survey, assessment and repair of hull structures for certain ship types.


This manual gives guidelines for a bulk carrier type ship which is constructed with a single deck, single skin, double bottom, hopper side tanks and topside tanks in cargo spaces, and is intended primarily to carry dry cargo, including ore, in bulk.


The guidelines focus on the IACS Member Societies’ survey procedures but may also be useful in connection with inspection/examination schemes of other regulatory bodies, owners and operators.


The manual includes a review of survey preparation guidelines, which cover the safety aspects related to the performance of the survey, the necessary access facilities, and the preparation necessary before the surveys can be carried out.


The survey guidelines encompass the different main structural areas of the hull where damages have been recorded, focusing on the main features of the structural items of each area.


An important feature of the manual is the inclusion of the section which illustrates examples of structural deterioration and damages related to each structural area and gives what to look for, possible cause, and recommended repair methods, when considered appropriate.


The “IACS Early Warning Scheme (EWS)”, with the emphasis on the proper reporting of significant hull damages by the respective Classification Societies, will enable the analysis of problems as they arise, including revisions of these Guidelines.


This manual has been developed using the best information currently available. It is intended only as guidance in support of the sound judgment of surveyors and is to be used at the surveyors’ discretion. It is recognized that alternative and satisfactory methods are already applied by surveyors. Should there be any doubt with regard to interpretation or validity in connection with particular applications, clarification should be obtained from the Classification Society concerned.

Dedicated to safe ships and clean seas, IACS makes a unique contribution to maritime safety and regulation through technical support, compliance verification and research development. More than 90% of the world’s cargo carrying tonnage is covered by the classification design, construction and through-life compliance rules and standards set but the twelve Members Societies of IACS.

IACS is a not for profit membership organisation of classification societies that establish minimum technical standards and requirements that address maritime safety and environmental protection and ensures their consistent application. It carries out this responsibility through its panels, expert groups and project teams and provides a Quality System Certification Scheme (QSCS) that its Members comply with, as an assurance of professional integrity and maintenance of high professional standards. IACS is recognized as the principle technical advisor of IMO.


Title: Bulk Carriers – Guidelines for Surveys, Assessment and Repair of Hull Structures (IACS Rec 76)
Number of Pages: 192
Product Code: WS1551K
ISBN: ISBN 13: 978-1-85609-748-2 (9781856097482), ISBN 10: 1-85609-748-X (185609748X)
Published Date: November 2017
Binding Format: Hardback
Book Height: 305 mm
Book Width: 215 mm
Book Spine: 16 mm
Weight: 1.10 kg
Author: IACS

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