Hatteras (Rollison Channel) Small-Boat Harbor Breakwaters
Hatteras, North Carolina, SAW
Construction and Rehabilitation History
In 1956, at a cost of 5,600, two rubble-mound breakwaters were
constructed at the entrance to Hatteras Small-Boat Harbor (Fig-
ure 6 . The east and west breakwaters were 355 and 300 ft long,
respectively. The design section consisted of a crown width of 8 ft
ft mlw and side slopes of
at an elevation of
on the sound and harbor sides, respectively. The structures were
mat of small stone (size unknown), core
made up of a
stone (size unknown), and 1- to 2-ton cover stone. The armor stone
was sized using a 5-ft design wave height and Hudson's slope sta-
bility equation. Approximately 6,940 tons of stone were placed.
After construction, local interests indicated difficulties with ves-
sels passing through the narrow, 60-ft gap between the breakwater
heads. In 1958 a timber dolphin fender system was placed on the
heads to minimize potential damage to vessels.
The breakwater has had no maintenance or repair since its
.. .. ..
Figure 6. Hatteras (Rollison Channel)
Small-Boat Harbor, North Carolina