🔍 Key Concepts

• Transverse Center of Gravity (TCG) and how discharging weight affects it • Sign convention for port (-) and starboard (+) transverse distances on the load form • Using moments to find the shift in G when weights are added, removed, or shifted

💭 Think About

• Look at the transverse locations of all four bulk tanks on Sample Load Form #4. Are they to port, starboard, or on the centerline? What does that tell you about the direction of TCG shift when you remove that weight? • Compute the total transverse moment of the discharged bulk and relate it to the vessel’s displacement. Are you finding the new TCG directly, or first finding how far G moves and then applying that to the original TCG? • Consider whether removing equal weights on both sides could cancel some transverse moment. Do all four bulk tanks create a net transverse moment, or do some moments oppose each other?

✅ Before You Answer

• Verify the original TCG from Sample Load Form #4 (before discharge) and note its sign (port or starboard). • Check the weights and transverse distances (y or TCG of each tank) for all four bulk tanks, and be careful with plus/minus signs. • Confirm you are dividing the sum of transverse moments of the discharged cargo by the correct displacement of the vessel in the storm condition shown on the load form before discharge.