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Innovative Wreck Remediation: Case Studies & Recovery Solutions

Explore successful case studies in wreck and pollution remediation, focusing on innovative approaches and technologies to minimize technical risk, reduce costs, and increase workforce efficiency. Learn about challenges and solutions in wreck recovery, including detailed accounts of wreck removal projects like the Jack-Up MODU in the Gulf of Mexico and the Dredger in Sri Lanka. Discover cost-effective assets and technologies for remote sensing, saturation diving, deepwater recovery, and operating in adverse weather conditions. Gain insights into creating an environment that encourages quick recovery of pollutants and limits liability exposure.

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Innovative Wreck Remediation: Case Studies & Recovery Solutions

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  1. Wrecks of the World II Wreck Remediation and Pollution Recovery – Case Studies Zach Malinoski

  2. Factors Driving Wreck Removal Approach • Minimize Technical Risk? • R&D innovative recovery approach/ technology before application • Increase workforce and equipment • Minimize Schedule? • Apply innovative recovery approach/technology • Increase workforce and equipment SUCCESSFUL WRECK AND POLLUTION REMEDIATION SCHEDULE TECHNICAL COST • Minimize Cost? • Reduce schedule with innovative recovery approach/technology • Increase schedule with proven techniques

  3. JACK-UP MODU - GoM • Drifted 5000’, capsized, and sank at 113’ water depth • Most fuel tanks damaged during IKE • Arrangement & depth allowed traditional recovery techniques • Challenges- • Limited floating resources in wake of Ike response • Limited weather window

  4. JACK-UP MODU - GoM • Systematic inspection via divers & taps • Excavation required to access smaller tanks and barrel stores • ~36K gallons recovered 2008 • Additional pockets discovered & removed in 2009 when recovery efforts continued

  5. Hot Tap Recovery

  6. Hot Tap Recovery

  7. Dredger – Sri Lanka • May 2009 – Aground on tetrapod breakwater during monsoon • Weather prevented recovery efforts until January 2010 • POLs observed released from May onward

  8. Dredger – Sri Lanka • Wreck severely damaged during monsoon • Survey discovered one small hydraulic oil tank intact – oil was removed via tap • In-situ Cut Up – pieces sized to keep fuel/POL tanks intact

  9. Challenges for World Wide Wreck Removal • Create environment that encourages quick POL recovery • Recovery rates higher and costs lower when POLs recovered from wreck instead of water • Limit responder third-party liability exposure • Cost Effective Assets & Technologies for: • Remote Sensing • Saturation Diving • Deepwater Recovery • Surface Platforms capable of operating in adverse weather conditions

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