This document provides recommended practices for the use of chain lever hoists in the offshore subsea environment.
Contents
Glossary
Introduction
Background
General Principles for Lifting Equipment
Selection of Equipment
Immersion Policy
Information and Data Requirements
Transportation, Storage and Control
Use of Chain Lever Hoists Underwater
Equipment User Competence
Revision
-
Rev. 3.1 - May 2024Page 2 updated, glossary added; no change to content
-
Rev. 3 - June 2023Document restructured and now includes a policy for single- and multi-immersion. Added chain lever hoist criteria specifically designed for multiple immersion.
-
Rev. 2 - June 2017Minor editorial changes throughout. Changes to sections 4.1, 4.6, 7.3 on length of time the lever hoist is in service, and section 7.4
-
Rev. 1 - February 2008To reflect on experience gained by the industry in using the guidance and to incorporate lessons learnt during investigations into lever hoist incidents over the past five years. It contains a new section 7 on the use of chain lever hoists underwater
-
Rev. - June 2002Initial publication