>- 



1975 



Groin Number: 



1 



5 



7 8 

 I 



c 





10 

 1 



1970 



- 









1 



1 



1965 



4 1 



Poor 

 Condition 



■ N 



4 6 



r 



1 



1 



w 1 



1960 



Fair 

 Condition 



1 



i» 





1 



1 



1955 



Good 

 Condition 



1 



1 



1 



1 



1 





1 



1 



1 



1 



1 



J 1 



1950 



- 





10 



11 12 13 14 15 16 



Profile Line ft 



2.000 4,000 



Alongshore Distance 



Figure 6. History of groins constructed at Sea Isle City 



since 1949. Groin number 3 was constructed in 1945. 



Table 1. 



Characteristics of groins at Sea 



Isle City, New 



Jersey. 



Groin No. 



Groin type 



Top elevation 



landward 



Cft) 



Seaward 

 (ft) 



Top 



width 



(ft) 



Length 

 Cft) 



1 



Timber crib 



9 



6 



8 



300 



2 



Timber and stone 



10 



2 



12 to 14 



575 



3 



Stone 



13 



9 



12 to 14 



255 



4 



Timber crib 



11 



7 



8 



375 



5 



Timber and stone 



10 



2 



12 to 14 



580 



6 



Timber crib 



13 



7 



8 



300 



7 



Timber crib and stone ^ 



10 



2 



12 to 14 



610 



8 



Timber crib and stone* 



10 



2 



12 to 14 



610 



9 



Timber crib and stone* 



9 



2 



12 to 14 



6i0 



10 



Timber crib 



6.5 



6 



9 



300 



11 



Timber and stone 



10 



2 



12 to 14 



610 



^Timber crib until 1967, then timber with seaward 280 feet of stone. 



20 



