Weight (LT) 
xLlO 
250 
200 
150 
100 
50 
“ms 
4 
S) 
) 
uv 
Ge! 4 
cd) 
> i 
cd) 
ce 
i] 
od 
W 
= 
3 
= 
wa 
ro) 
cd) 
W 
ny 
> 
cc) 
ce 
ica 
Note: weight estimates are 
for 300 x 300-foot 
platforms. 
Water 
ballast 
Concrete 
ballast 
Water 
ballast 
Concrete 
ballast 
Structural 
concrete Structural 
concrete 
Structural 
concrete 
Semi-submersible (multi-level deck) 
Figure 3.8. Weight comparison for three 
candidate MOBS platforms. 
3-29 
