USCG 3622-SA-4
STEPS
Deck cargo
180 Tons
Upper tween deck layer
3000 Tons
Lower tween deck layer
3500 Tons
Hold layer
2500 Tons
SOLUTION:
ITEM
COLUMN
WEIGHT
Deck cargo
180
Upper tween deck layer
No. 1
3000
Lower tween deck layer
No. 2
3500
Hold layer
No. 3
2500
TOTAL CARGO
9180
Total Columns 1 + 2 + 3
9000
Total Column 3 - Column 1
-500
(Col 3 - Col 1) No Interpolation Necessary
DB Tankage Requirements
-500
See table on the next page
9000
1000
Add'l DB Tankage for Deck Cargo
No Interpolation Necessary
See table on the next page
9000
70
LEGEND:
Blue = information provided.
Black = calculated values.
Red = table values, etc.
Green = ANSWER
The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The
Stability Data Reference Book to determine the amount of liquid loading required in the double
bottom tanks to meet a one compartment standard.
Left Column Entering Argument-Total Cargo
Plus D.T 1, 1A, 6, 7, & 8 (COL 1 + 2 + 3)
Center Column Entering Argument - Excess Of
Hold Weight Over Upper Tween Deck Weight
In Tons (COL # - COL 1)
Principles of Stability
Stability and Trim Calculations - Compartment Standard
3622-sa-4
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