Table 94
Dunkirk Harbor Structures
Dunkirk, New York
Date
Construction and Rehabilitation History
Construction of a 1,410-ft-long west pier (Figure 259, Section I) was
1868-
this time. The pier was constructed of concrete and
1870
completed
stone (Figure 260, Section I) and was 30 ft in width.
1897-
A concrete superstructure was installed on most of the west pier.
1921
The maximum el of the superstructure was
ft
Section I. A small portion of the superstructure next to the shore-
)
line was constructed with large stone.
1898
of a 577-ft-long portion of the outer breakwater
filled timber crib structure that was 30 ft in width (Figure 260,
Section J.
)
1899
Construction of a 2,237-ft-long portion of the outer breakwater
was completed. The structure was 30 ft
wide and consisted of stone-filled timber cribs (Figure 260, Sec-
tions and H. A concrete superstructure was installed on a 310-ft-
)
long portion o f the breakwater (Section G ) . It had an el of
ft
A concrete superstructure was installed on a 577-ft-long portion of
1930
the outer breakwater (Figure 259, Section J. The maximum el of the
)
)
ft
superstructure was
was placed along the lakeside at the west pier also during this year.
A stone superstructure was installed on a 1,827-ft-long portion of
1931
)
structure was
ft, and it had a 10-ft crest width (Figure 260,
Section H. The stone extended along the lakeside of the breakwater
)
on a
slope. A 110-ft-long portion of Section H (Fig-
1979-
of a 1,200-ft-long west and 1,464-ft-long east break-
1980
water (Figure 259) was completed during this period. The structures
were rubble mound with els of +11 ft lwd, crest widths of 10 ft, side
and armor stones ranging from 1,400 to 3,800 lbs.
slopes of
The inner rubble-mound breakwaters presently are in good condition,
1986
and the west pier and outer breakwater are considered to be in fair
condition. The concrete portions of the superstructure of the outer
breakwater and pier show signs of spalling and slight separation at
the joints; however, no immediate action is required. The stone
superstructure portions of the outer breakwater seem to have settled
lakeward in areas, and additional stone has been recommended to in-
crease the height of the structure to its original design. An aerial
,
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