Table 4. Comparison of Overall Effectiveness of 



Pile Emplacement System Conceptual Designs 



Requirement 



Weight 



Conceptual Design 



Multiple 



Vibratory 



Driver 



Single 



Vibratory 



Driver 



Jack-in 



Screw- in 



Estimated 

 Submerged 

 Weight 



3 



Effectiveness Number 



2 



4 



4 



4 



Estimated Power 

 Required 



2 



2 



2 



4 



3 



Emplacement Rate 



2 



4 



4 



3 



3 



Verticallty 



1 



2 



2 



5 



2 



Seafloor Soils 

 Adaptability 



2 



3 



3 



2 



4 



Versatility - 

 Number of Piles 



1 



1 



5 



5 



5 



Versatility - 

 Plan Dimensions 



2 



3 



3 



5 



5 



Development Effort 



3' 



3 



3 



3 



5 



Complexity 



3 



4 



2 



4 



5 



Overall 

 Effectiveness 



- 



54 



58 



71 



79 



