Table 90 (Concluded)
Construction and Rehabilitation History
Rate
The west breakwater shore arm had a crest el of
ft
and a width
side slopes (Figure 248, Section H . Armor
)
of
ft and
stone sizes were the same as those on the lakeward breakwater
extensions.
1941-
Rehabilitation of a 1,251-ft-long portion of the west breakwater
)
1954
with additional stone to a crest el of 4-10 ft
and a crest width
of 8 ft (Figure 248, Section I. Side slopes of
)
were used,
and armor stone with a minimum weight of 3 tons and not less than
50 percent of 5 tons or more was placed.
A 1,552-ft-long portion of the west breakwater trunk was rehabili-
1954-
1960
tated by the installation of additional stone to its original design
(Figures 24.6 and 247, Section A.
)
1963-
Rehabilitation of a 600-ft-long portion of the west breakwater (Fig-
1964
breakwater (Figures 246 and 247, Sections B and
was completed.
The rubble-mound portions of the breakwaters were repaired by the in-
of additional stone to original design specifications.
cellular steel sheet-pile shoreward east breakwater
1965
A
extension (Figure 246, Sections J and K) was constructed. The cells
filled (Figure 249, Sections J and K) and had diameters
were
of about 30.2 (Section J) and 20.7 ft (Section K. They were capped
)
at an el of
ft lwd. Model testing was conducted
with
construction of this extension (Hudson and Wilson 1963).
prior to
Maintenance repair to the west breakwater was performed for a cost of
1983
about 0,000.
The structures are presently considered to be in fair condition. The
1986
concrete
in the midsection of the east breakwater (Figures 246
C , particularly, is in need of repair. An aerial
)
and 247,
view of the Conneaut Harbor structures is shown in Figure 250.
365
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