Diver and ROV based concrete mattress handling, deployment, installation, repositioning and decommissioning
- Recommended Practice
- Revision 2 - February 2024
This document provides comprehensive guidance on the handling, deployment, installation, repositioning, and decommissioning of concrete mattresses in offshore marine operations. IMCA emphasises the importance of safety and best practices in the marine contracting industry, aiming to improve performance and influence technical, contractual, and regulatory matters for its members
Contents
Introduction
Glossary
Purpose of this Guidance Note
Safety and Environmental Issues
Equipment
Specification, Design and Fabrication of Concrete Mattresses
Handling, Deployment, Installation, Repositioning and Decommissioning
Anti-Scour and Fronded Mattresses
References
Appendices
Tick Box Checklists
Example Drawings
Revision
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Rev. 2 - February 2024Updated to include systems for handling multiple concrete mattresses
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Rev. 1 - September 2011Updated to include reference to the use of ROVs in mattress handling
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Rev. - November 2007Initial publication