(Continued)
Date(
Construction and Rehabilitation History
1976
to
The west jetty was repaired with stone at
and
to
(seaward end). The stone size ranged from 300 lb to
3 tons, with the largest pieces used as cover stone. The design
cross section (Figure
had a crown elevation of
ft mlg, crown
widths of 5 and 6
(landward and seaward of
respectively),
side slopes. It appears that a survey benchmark error
and
occurred and that the actual crown elevation could have been
ft
mlg. An October 1975 survey showed an average center-line elevation
ft mlg on the sections to be repaired and from
of
to
ft mlg
on the remaining sections. The total cost of the repair work was
,517,200 using 186,760 tons of stone.
1978
Three sections of the east jetty were repaired (Figure
at the
to
to
and
following locations:
in size) was placed to
to
Graded stone (less than 5,000
r l with crown widths of 5 and 8 ft landward
an elevation of
ng
respectively, and
side slopes. Pre-
and seaward of
existing center-line elevations, from a May survey, were
to
ft
to
ft mlg elsewhere. A
r l along the repair sections, and
ng
total of 48,000 tons of stone was placed at a total cost of 0,000.
Two sections of the west jetty were repaired (Figure
with armor
1980
stone (possibly 2- to 4-ton size). The crown elevation was
ft
mlg, and the side slopes were
The landward section, from
to
had a 5-ft crown width; and the seaward section, from
had a 6-ft crown width. Prior to repairs, an April
to
survey showed center-line elevations averaging
mlg within
mlg over the remainder of the
the repair areas and from
to
jetty. Total cost of the repair work was
||content||
,104,300 using approxi-
mately 43,000 tons of stone.
The landward and seaward ends of the east jetty were repaired
1981-
(Figure
with armor stone (possibly 2 to ton size) at the
1982
following locations:
(landward end) to
to
and
to
(seaward end). The design geometry had
ft r l crown elevation,
a
ng
slide slopes, and crown widths
and 8 ft (seaward of
of 5 ft (landward of
Prior to
repairs, center-line elevations (September 1980 survey) varied from
to
ft mlg along the landward sections, from -2 to
ft mlg on
to
r l elsewhere. Total
ng
the seaward section, and from
cost of the repairs was 0,000 using 37,500 tons of stone.
stone. The east
1984
Repairs were made to both jetties using 2- to
to
to
jetty was repaired at three sections
and
to
(seaward end), and the west jetty was
repaired at 3 sections
to
to
and
ft NGVD,
(seaward end). Stone was placed to
to
(Continued)
35
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