Diver and ROV based concrete mattress handling, deployment, installation, repositioning and decommissioning

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
• Appendix 1 – Tick-Box Checklists
• Appendix 2 – Example Drawings