Table 6
Cape Lookout Harbor of Refuge Breakwater
Cape Lookout, North Carolina, SAW
Construction and Rehabilitation History
Date
The landward 4,800 ft of a 7,500-ft-long rubble-mound breakwater
1917
(Figure
authorized by Congress in 1912, was completed in 1917.
Subsequently it was determined that the remaining 2,250 ft of the
structure was not needed. The breakwater was constructed on a
2-ft-thick stone mattress. Specifications for the breakwater called
for quarry-run stone graded so that at least 1 percent was greater
0
than 1 tons, at least 40 percent greater than 7 tons, and at least
0
70 percent greater than 2 tons. The design section had a 20-ft
ft mlw with
crest width at
side slopes. About
651,400 tons of stone were placed at a total cost of
||content||
,363,800.
(The cost included some other items such as constructing sand
fences, a survey boat, and paying for rights-of-way.)
In December cross sections were taken of the breakwater. They
1921
showed that the average top elevation of the breakwater was at mlw.
to
The side slopes near the top were fairly flat (about
and the lower part of the side slopes was fairly steep, gen-
At that time the breakwater was visible only in
erally
places at extreme low water.
Since its completion no maintenance or repairs have been made.
1985
cause of a sand spit in the lee of the structure, which results in a
natural harbor, no plans exist to restore the breakwater to its
original condition. (The breakwater was deauthorized on 1 November
1981.)
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