Crane specification document

  • Informative Guidance
  • Revision 3 - November 2025

This IMCA Informative Guidance aims to guide Members through the process of designing, purchasing, and installing cranes for marine and offshore use, ensuring safety, reliability, and compliance with industry standards. The document is structured in two parts: explanatory notes, and a detailed bid information questionnaire for use in tenders and contracts.

Contents

  • Introduction
  • Functional and Technical Guidance
  • New Technologies
  • Supply Requirements
  • Control/Instrumentation System Requirements
  • Maintenance and Repair Requirements
  • Testing, Installation, Trials and Training
  • Certification and Documentation
  • Lessons Learnt
  • Appendix 1 – Crane Bid Information Questionnaire

Revision

  • Rev. 3 - November 2025
    Full new revision
  • Rev. 2.1 - May 2024
    Page 2 and bookmarking (layout) improved; no change to content
  • Rev. 2 - March 2019
    Document revised and updated by workgroup
  • Rev. 1 - May 2013
    New sections on man-riding and personnel lifting; and certification and documentation of multi-layer winches
  • Rev. - July 2003
    Initial publication