Table 4 (Concluded) 



Date(s) Construction and Rehabilitation History 



1975 Major repair of breakwater completed. Both new and reset 8-ton 

 and 10-ton minimum weight armor stones used to repair various 

 areas along entire length of structure. Structure slopes and 

 crown elevation unchanged from original design cross section. 



1981 Breakwater repaired between sta 11+00 and 20+00. One layer of 



uniformly placed 7.5-ton tribars extended from sea-side toe to 

 crown on a IV on 1.5H slope. A total of 1,020 tribars placed 

 (not model tested) . The tribar toe buttressed with a single 

 row of 8- to 12-ton stone and concrete ribs constructed on the 

 crown. Design based on a 15.5-ft water depth, breaking wave 

 height of 13.5 ft, and a K^ of 7.5. 



