Module 6 - Containment and Protection.pdf

MODULE 6 Containment and Protection   Familiarize with the structure, uses, deployment techniques and limitations of boom Session Outcomes  Areas of Knowledge:  Main response strategies and their basic...

MODULE 6 Containment and Protection   Familiarize with the structure, uses, deployment techniques and limitations of boom Session Outcomes  Areas of Knowledge:  Main response strategies and their basic advantages and disadvantages  Application and limitations of various boom types  Boom deployment techniques: equipment, vessel And ancillary equipment selection  Generic boom components and design  Containment & Response Strategies Protection Dispersant Application Monitor Only Shoreline Protection Shoreline Clean-up In-situ Burning Every spill is different; these response strategies may or may not be used Containment & Protection Protect Shoreline/Near Shore Sensitivities Deflect to Enhanced Collection Areas Contain & collect for recovery Assist Shoreline Cleanup  There are various types of boom Types of Boom Benefits / Disadvantages  Shore Sealing Boom Full Tidal Range Set boom before filling Poor sealing on rocks  current velocity (knots) 0.75 knots 6 Location 5 current Access 4 boom angle 3 2 1 Success 0 10 20 30 40 50 60 70 80 90 100 boom angle (degrees)  Deflect Protect Inshore Booming Contain Assist with Shoreline Clean-up Associated Ancillaries Preserving sensitive areas Deflecting to enhanced collection points  Protect Prior to impact Protection of specific areas Limiting environmental impact Reduce area of Stranding  Contain Collect and control for recovery. Corral to maximise efficiency of recovery equipment.  Assist with Shoreline Clean-up Reduce impact area of re-mobilised oil Corral re-mobilised oil to recovery equipment  Air Blowers Water Pump & Hoses Towing Connectors Ancillaries Anchors Anchor Chains Buoys Spares Deployment Technique Land Land Beach Beach Current Current Opt to take out boom in sections Sea Sea Deployment Technique  Land Beach Boom Towing Current Sea  Stakes Anchors Shore Sealing Boom Secure Points Anchoring River Booming Fast Flowing Rivers Angle of booms Large deflection booms & small collection points Multiple collection points  For collection and recovery In-situ burning Offshore Booming Protection of deep water inlets/fish farms Ocean Booming Formations U configuration V configuration J configuration Single ship system  Large entrapment area Good wave following properties Will work with deflated sections Pros & Cons Boom speed limitations Only 10%-20% recovery of oil at sea depending on type of release Weather dependant Offshore Ancillaries Vessels of opportunity Good communication Good low speed manoeuvrability  Current Speed Limitations Splash over Drainage Man power Logistic support New Equipment Trends Move away from large, heavy systems. Compact, lighter, easier to handle systems preferred. Lower encounter / recovery rates but multiple units.  Main response strategies and their basic advantages and disadvantages Session Review Application and limitations of various boom types Boom deployment techniques: Equipment, vessel And ancillary equipment selection Generic boom components and design