Table 105
Oswego Harbor Breakwaters
Oswego, New York
Construction and Rehabilitation History
1882
Construction of a 4,515-ft-long west breakwater (Figure 292, Sec-
tions C and
was completed. The structures consisted of stone-
filled timber cribs with widths of 35 ft (Figure 293, Sections C
and D .
)
Construction of a stone and concrete superstructure (Figures 292 and
293, Sections C and D) was completed on the existing timber crib
1932
were also
constructed. The arrowheads were rubble-mound structures with crest
ft
and widths of 10 ft. Side slopes were
on
els of
on the harbor side (Figure 293, Sections A
the lakeside and
and B.
)
Armor stones weighing 3 tons (minimum) with not less than
60 percent of 6 tons or more were used.
1942
was placed along the lakeside of the timber crib west break-
Stone
water
A slope of
was
and the el at the top of the slope ranged from 6 to 6.5 ft
used,
Cover
stone weighed from 3 to 5 tons each.
Construction of an 850-ft-long detached rubble-mound breakwater
ft
lwd, and its width was 8 ft. Slopes on the lakeside were
and on the harbor side they were
weighed 7 tons each. This breakwater was model tested prior to
1949).
construction (Fortson et
1962
Rehabilitation of the west breakwater (Figures 292 and 293, Sec-
tions C and D) was completed. Repairs consisted of replacement of
lost stone on the lake slope, placement of riprap stone on the harbor
side, and replacement of portions on the concrete superstructure
(over cracked and displaced sections). The weight of the cover stone
used on the harbor side ranged from 1 to 3 tons.
Rehabilitation of the breakwaters was performed. The timber crib
structure was replenished with stone fill, and the concrete cap was
1984
areas. Riprap on the lakeside and harbor side
repaired in
was replaced as needed. Missing armor stones on the rubble-mound
sections of the breakwater were replaced as needed.
1986
The breakwaters presently are considered to be in very good condi-
tion. Minor repair work has been noted and will be accomplished
during routine maintenance operations. An aerial view of the Oswego
Harbor breakwater at the harbor entrance is shown in Figure 294.
424
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