0.1 

























^>. 









fi 







O 600 tons 

 X 300 tons 



' 



^ 



^==== 







\ 











I 









































10 15 



Wave Period (sec) 



25 



Figure B-6. Vertical movement of a load at 6,000 feet 

 (cross-sectional area = 300 ft^). 



types of bumper subs used in the oil industry, none of which are of size 

 sufficient for the heavy-lift project. Although developmental items, it would 

 appear to be fairly easy to fabricate bumper subs suitable for the heavy-lift 

 project. 



112 



