Table 24
Key West Bight Breakwater
Key West Harbor, Florida, SAJ
Date
Construction and Rehabilitation History
1967
An 800-ft-long rubble-mound breakwater was constructed to provide
harbor protection (Figure 3 )
8 . The design section consisted of
to 12-in. core stone placed to an elevation of 0 ft mlw and over-
layed with
to 6-ton capstone. The crest elevation was
ft mlw,
the crest width was 1 ft, and the side slopes were
0
Esti-
mated quantities were 15,100 and 18,800 tons for the foundation
material and capstone, respectively. The breakwater design used
Hudson's formula with an 8-ft wave height. To prevent potential
overtopping, the crest elevation was selected based on a
wave (nonhurricane design wave). The cost of the breakwater
plus necessary excavation was 1,000.
A portion of the breakwater was removed to aid in flushing of the
1971
placed in a blanket 2 ft thick
harbor. The core stone removed
by 15 ft wide extending along one or each side of the breakwater as
available stone would permit. The capstone removed was replaced to
placed in existing void
the existing design with the
cost of the modification
spaces on the breakwater. The
was less than ,000.
The breakwater has never been repaired and is presently in good
1985
condition.
69
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