Marine Operations Articles

Preliminary Rigging Arrangement Design OF 4 point, Single Hook Lifts for Non-Specialists

by Michael Harwood, PE, PMP Overview Lifting by crane is a basic construction operation that dates back to at least Sixth Century BC (ancient Greece for example) and the lifting operation itself dates back much further. It is a very common operation in present-day...
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Selecting the right gear for towing operations – Part 1

Towing operations seem pretty straightforward – we just need to connect the vessel to be towed to the right sized tug and get started! However, a simple exercise of digging deeper will reveal critical items that we need to take care of. If we start thinking about the...
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Removing Human Error in Ship Performance Analysis

Introduction Shipping is the most dominant means of transport that facilitate global trade. Over 90% of world trade is done by ships[1]. Fuel onboard ships, commonly referred to as "bunkers", has become the largest cost item of a ship's Operational Expenses (OPEX),...
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OCIMF MEG-4 and Mooring Design of your vessels – Part I

Part 1 – Environment and Environmental forcesThe OCIMF (Oil Companies International Marine Forum) has come out with the latest edition of mooring Equipment Guidelines (MEG) – Rev 4. This revision incorporates significant changes and updates over the MEG-3,...
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