![Page 1: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/1.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Best Management Practices Used For Recent Decommissioning Projects
Presented by: Simon A. PoulterPadre Associates, Inc.
![Page 2: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/2.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Presentation Outline• Explosives Use• Onshore Pipeline
Decommissioning• Offshore Pipeline
Decommissioning• Heavy Equipment in
Sensitive Areas• Conclusions and
Acknowledgements
![Page 3: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/3.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Recent Explosives Use • Chevron 4H Platform Decommissioning Project
− Conventional Offshore Production Platform − Pile Severing
• Seacliff Pier Complex Decommissioning Project− Pier Based Oil and Gas Production − Concrete Caisson Removal
• Arco Bird Island− Pier Based Oil and Gas Production − Concrete Caisson Removal
![Page 4: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/4.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Chevron 4H Platform Explosives Use
![Page 5: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/5.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Chevron 4H Platform Explosives Use
![Page 6: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/6.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Chevron 4H Platform Explosives Use
![Page 7: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/7.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Chevron 4H Platform Explosives Use
![Page 8: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/8.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Seacliff Pier Explosives Use
![Page 9: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/9.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Seacliff Pier Explosives Use
![Page 10: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/10.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Seacliff Pier Explosives Use
![Page 11: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/11.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Bird Island Explosives Use
![Page 12: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/12.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Bird Island Explosives Use
![Page 13: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/13.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Bird Island Explosives Use
![Page 14: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/14.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Explosive Use BMP’s• Focused Demolition Planning Based Upon Structure
− Explosives use is as much art as it is science− Bigger is not necessarily better
• Effort Implementation of Marine Wildlife Contingency Plan− Marine Mammals− Marine Birds− Marine Fish
![Page 15: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/15.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Onshore Pipeline Decommissioning• Abandonment Considerations
− Depth of Burial− Future Land Use− Erosion Potential− Stream Crossings− Extent of Onsite
Contamination− Accessibility− Sensitive Habitat
![Page 16: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/16.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Effective Pipeline Preparation• Pipeline Pigging
and Flushing
• Stability Grouting
![Page 17: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/17.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Access and Removal Procedures
![Page 18: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/18.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Slope Restoration
![Page 19: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/19.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Offshore Pipeline Decommissioning• Abandonment Considerations
− Depth of Burial• Offshore• Surf Zone
− Pipeline Integrity− Pipeline Pigging and Flushing
Procedures− Erosion Potential− Accessibility− Sensitive Habitat
![Page 20: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/20.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Pipeline Abandonment Considerations
![Page 21: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/21.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Pipeline Removal In Surf Zone
![Page 22: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/22.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Offshore Pipeline Handling Considerations
![Page 23: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/23.jpg)
Best Management Practices Used For Recent Decommissioning Projects
![Page 24: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/24.jpg)
Best Management Practices Used For Recent Decommissioning Projects
• Abandonment in Place − Depth of burial exceeds 5 feet. − Seasonal or periodic exposure not
observed.− Depositional area with no dredging
activities likely.− Environmental impacts associated with
removal considered excessive in comparison to the benefit of removal.
![Page 25: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/25.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Environmental Considerations
![Page 26: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/26.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Environmental Considerations
![Page 27: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/27.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Heavy Equipment in Sensitive Areas•• Access Limitation DrivenAccess Limitation Driven•• Effective Mitigation Effective Mitigation
Monitoring and Monitoring and Compliance ProgramCompliance Program
•• Extensive Agency Extensive Agency CoordinationCoordination
•• Clearly Defined Operating Clearly Defined Operating PerimetersPerimeters
•• Well Maintained Well Maintained Equipment Operated by Equipment Operated by Knowledgeable OperatorsKnowledgeable Operators
![Page 28: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/28.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Effective Site Exposure
![Page 29: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/29.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Goleta Beach Hazards Removal
![Page 30: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/30.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Goleta Beach Hazards Removal
![Page 31: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/31.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Effective Dewatering Procedures
![Page 32: Best Management Practices Used for Recent Decommissioning Projects](https://reader034.vdocuments.us/reader034/viewer/2022051820/553f5b2f4a7959a0098b476d/html5/thumbnails/32.jpg)
Best Management Practices Used For Recent Decommissioning Projects
Acknowledgements• Fairweather Pacific
− Tom Kennedy• Chevron• Texaco• ExxonMobil• Unocal• BP Arco• Southern California Edison• County of Santa Barbara• California State Lands
Commission
• Padre Associates, Inc.− Brian Dugas− Mike Weber− Jenn Carnine− Mike Ruiz
• Longitude 123− Mark Steffy
• Divecon− Ted Roche
• Adobe Systems• Associated Pacific
− Paul Gillen