The logistical challenges of offshore module transportation are indeed significant, to say the least. Find out how to deal with these challenges – from planning during module design stage all the way to engineering and risk management.

1. Welcome to

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Evaluating Logistical
Challenges of Offshore
Module Transportation
Presented By:
Craig Tornga, Vice- President
Crowley Solutions, Inc.
August 23, 2012

3. Agenda for Today’s Presentation
• Introduction of Crowley
• Planning at the Module Design Stage
• Heavy Lift Vessels for Modular Transportation
• Planning & Engineering - Heavy Lift Modular Transportation
• Risk Management
• Question & Answer Session

4. Company Overview
Family Owned
• Thomas Crowley founded the company in
1892.
• He began with a $80 Whitehall 18 foot
rowboat transporting ships crews in San
Francisco Bay, and a dream.
Crowley Profile:
• Over $1.6 billion dollars in annual income.
• 4,300 employees worldwide.
• Worldwide Business capabilities with
primary operations from the Arctic to Latin
America.
• 250 vessel fleet.
• Diversified transportation services

5. Crowley Solutions
Crowley Solutions is a project management organization providing marine
solutions as a prime contractor for energy and resource extraction
industries. We provide a wide array of turnkey solutions to our clients
including project management, marine operations, naval architecture and
marine salvage. We provide the advantage of a single point of contact that
ensures coordination of the entire breadth of Crowley service capabilities.
Our Service Offerings: Our Area of Expertise:
• Project Management • Arctic Logistics & Operations
• Fuel Management • Technical Beach Landings
• Engineering • Remote Site Operations
• Vessel Design and Build • Complex Marine Projects
• Emergency Response • High Bollard Pull Offshore Rig/Platform Towing
• Ocean Towing
• Heavy Lift Barge Transportation
• Project Concept Studies

6. Crowley Heavy Lift Transport Projects
• Shell Sakhalin sealift 2004 and 2005
• Exxon Neftigas sealift 2003, 2012
• Chevron Angola sealift 2010
• Prudhoe Bay, Alaska sealifts 1968-2012 Over 1.4mm Tons
of Modules transported into the Arctic
• Chevron Rankin B 2012 (Offshore Western Australia)
• Gulf of Mexico – up to 12,000 Ton Modules transported

7. Heavy Lift Vessels for Modular Transportation
• Heavy Deck Barges
– Shorter Routes
– Shallow Discharge
– Grounding Required (If barge designed for it)
• Heavy Deck Carriers
– Faster than Tug & Barge
– No Tow Line
• Heavy Lift Ships (Load On – Load Off)
– Smaller Modules that can be Lifted
– Fast Mode
• Semi Submersible Heavy Lift Ship (Roll On Roll Off)
– Highly Stable
– Long Routes
– Fast Mode

8. Modular Transport – Tug & Barge

9. Modular Transport – Heavy Deck Carrier

10. Modular Transport – Heavy Lift Ship (Lift On – Lift Off)

11. Semi-Submersible Heavy Lift Ship (Roll On Roll Off)

12. Planning at the Design Stage
• Designing module with consideration of static and dynamic loads for
the intended vessel
– Matching the module to the structure of vessel
– Taking into account the motions of the vessel and module, given
the proposed route
• Vessel selection – classed, sufficient deck space and strength, motion
response adequate to not overstress the cargo
• Project management team
• Fail to Plan – Plan to Fail
– Expense for matting / grillage
– Vessel or cargo damage
– Project delays
– Vessel modifications

13. Planning & Engineering - Heavy Lift Modular Transportation
Load Planning
• Height of dock above water at low and high water
• Water depth
• Tidal conditions – use the tides when you can
• Live load or dead load
• Weight control and center of gravity
• Dock strength
• Vessel deck load capacity
• Vessel structure – frames and bulkheads
• Ramps / transition plates
• Load plans
• Stow Plans
• Ballast Plans
• Mooring plans
• Sea Fastenings / Tie Downs

14. Planning & Engineering - Heavy Lift Modular Transportation
Transport Planning
• Voyage Plans
– Route
– Met Ocean Data / Studies
• Sea state for season & environmental conditions for route
• Vessel heading and speed
– Vessel Structure Analysis
• Motions Analysis
• Stability of the vessel
– Reactions between the vessel and cargo
– Ports of Shelter
– Bunkering
– Assist tugs
– Depths and air height
– Transit Ballast Plans

15. Planning & Engineering - Heavy Lift Modular Transportation
Discharge Planning
• Same dock and water considerations as load site
• Roll off or lift off
• Live or dead discharge
• Grounded Discharge
– Beach landings
– Shallow water
• Offshore Discharge
– Float over deck Installation
– Heavy lift installation vessel lift off
– Float 0ff (For Vessels being Transported by Semi-
submersible Vessels
• Ballast Planning
• Weather window for removal of sea-fastenings and cargo

16. Planning & Engineering - Heavy Lift Modular Transportation

17. Risk Management
• Risk Assessment
– Sea State
– Routing Plans
– Safe Ports of Refuge
– Piracy
– SIMOPS
– Cargo Handling
– Suitability of Load & Discharge Sites
– Quality & Capabilities Analysis of Vessels
• Risk Mitigation
– Development of Alternative Plans - contingencies
– Engineered Solutions

18. Questions and Answers
Be sure the Visit us at the Crowley Solutions Booth
Thank You for Attending!

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