Table 1
East and West Stub Breakwaters
Small-Boat Harbor, Oahu, Hawaii
The 80-ft-longwest and
east breakwaters were added to
1975
the
project at a cost of approximately
(Fig-
ure
The armor stone on the east and west breakwaters (Fig-
ure 2) was designed for 6 - and 4-ft nonbreaking waves,
respectively.
The head of the west breakwater was rebuilt. Failure of the
1978
original head was thought to be due to the original structure toes
not being placed on a firm foundation,thereby resulting in under-
mining of the toe and slippage of the armor stone layer. The head
was rebuilt with the same size armor stone; but the sand was ex-
cavated, and the toe was placed on a firm coral
of the stub breakwaters
July revealed that both
were i good condition.
n
Small-Boat Harbor, Oahu, Hawaii
Figure
7
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