TABLE II a 



System Performance Ratings on Steel Sheet Piling 

 After 12-, I8-, 2k-, and 30-Month Exposures 



Ratings 



Exposure 

 System Period System Splash Tidal Zone Embedded 

 Number (Months) Type Zone Area "A" Area "B" Zone 





12 





9 



9+ 



6 



9 



1 



18 



Aluminum 



9 



9+ 



5 



9 





2k 



Vinyl 



9 



9 



3 



9 





30 





9 



9 



1 



9 





12 





9 



9+ 



9 



9 



6 



18 





9 



9 



8 



9 





2k 



Vinyl 



9 



9 



7 



9 





30 





9 



9 



7 



9 ■ 





12 





9 



10 



7 



9+ 



7 



18 



Phenolic 



9 



9+ 



7 



9- 





2k 



Mastic 



9 



9+ 



5 



9 





30 





9 



9+ 



1+ 



9+ 





12 





9 



10 



9+ 



9+ 



9 



18 





9 



9 



9 



9 





2k 



Neoprene 



9 



8 



8 



9 





30 





9 



8 



8 



9 





12 





9 



8 



9 



9+ 



13 



18 



Coal Tar 



9 



6 



6 



9+ 





2k 





9 



5 



3 



9 





30 





9 



^ 



1 



9 





12 





9 



8 



7 



9+ 



16 



18 



Asphalt 



9 



T 



U 



9+ 





2k 



Emulsion 



9 



6 



2 



9+ 





30 





9 



5 



1 



9+ 





12 





9 



10 



9 



10 



20 



18 



Flame- 



8 



9 



9 



9+ 





2k 



Sprayed 



T 



9 



8 



9+ 





30 



Zinc 



6 



9 



8 



9+ 





12 





9 



10 



7 



9 



23 



18 



Saran 



9 



9+ 



5 



9 





2k 

 30 



(Formula 

 113. U9) 



9 

 9 



9+ 

 9+ 



1+ 

 3 



9 

 9 













From Alumbaugt 



I (1962) 



Notes: 



1. See 



Table I for 



coating 



system details 









2, See 



Table XIII 



for rat in 



,g system note. 







A-3 



