Table 3 



Douglas Small-Boat Basin 



Douglas, Alaska 



Date(s) Construction and Rehabilitation History 



1958 The project was adopted, including a 5.2-acre basin and a 90-ft 

 rubble-mound breakwater . 



1962 The project was completed, including a 5.2-acre basin and a 105-ft 

 rubble-mound breakwater. The breakwater was constructed to crest 

 elevation of +24 ft mllw, crest width of 6 ft, and side slopes of 

 1:1.5. Core material was 3,548 cu yd of quarry-run rock. The armor 

 layer had a 4-ft thickness of 175- to 275-lb armor rock, with 50 per- 

 cent greater than 225 lb. The armor layer extended to the toe of the 

 breakwater and included the harbor side, requiring 1,203 cu yd of 

 rock. The design wave was 2.4 ft and 2.6 sec. 



1985 The harbor is illustrated in Figure 9, and an aerial photograph of 



the harbor is presented in Figure 10. There are no reports of needed 

 repairs or rehabilitation. 



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