Table 1
0
Main and Stub Breakwaters
Waianae Small-Boat Harbor, Oahu, Hawaii
Construction and Rehabilitation History
1979
The 1,690-ft-long armor stone and dolosse-armored main breakwater
and 220-ft-long armor stone stub breakwater were completed in
January (Figure 2 ) The dolosse-armored portion of the main
breakwater was model tested (Bottin, Chatham, and Carver 1976) for
a design breaking wave height of 1 . ft in a water depth of
18
1 ft.
6
Inspection of the structure revealed that 203 of the 6,633 dolosse
1980
originally placed were broken. It is estimated that 47 of these
were broken and left in place during construction.
1982
Inspection subsequent to Hurricane Iwa of November 23 revealed no
additional breakage of dolosse, but it is thought that a section
may have slumped slightly.
of dolosse around sta
The structures looked in good condition during a August 1984 in-
1984
breakage appeared unchanged from 1980, and the
spection.
slump area referred to above did not appear to pose any immediate
problem. There was no obvious need to implement breakwater
repair.
Waianae Small-Boat Harbor, Oahu, Hawaii
Figure
41
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