Table 31 (Concluded)
Construction and Rehabilitation History
The south jetty was rehabilitated. The crest elevation varied, but
1963
it was +26 ft mllw at the head. The crest width was 26 ft, and side
slopes were 1 2 above mllw on the ocean side but
elsewhere.
:
1964
The hydraulic model study at W S recommended extension of the train-
E
ing jetty.
The north jetty was rehabilitated. The crest elevation was raised to
1977
+20 ft mllw with a crest width of 28 ft and side slopes of
on
the channel side. Side slopes on the ocean side were 1:2 above mllw
below mllw. The head of the jetty was at elevation +21 ft
and
mllw with a crest width of 28
and side slopes of 1:2 above mllw
below mllw.
and
The training jetty extended to the end of the south jetty. The
1978-
extension had a crest elevation of +14
1980
mllw, a crest width of
30 ft, and side slopes of
The core stone was covered with
armor stone to elevation -10 ft mllw. The armor layer was 12 ft
thick on the channel side and on the crest and 6 ft thick on the side
of the embayment between the training jetty and the south jetty.
The harbor and cross sections of the jetties are illustrated in Fig-
1985
ure 64. The jetties appear in good condition at this time.
137
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