Table 41 (Concluded)
Construction and Rehabilitation History
Date
placed on each side of the lakeward head of the detached
Riprap
1939-
breakwater (Figure 107, Section A). The crest of the riprap was
1940
placed at an el of
ft lwd, and side slopes of
were
installed. The east breakwater (Figures 105 and 106, Section
was
capped with a concrete superstructure to an el of
ft lwd.
The shoreward end of the west pier (Figures 105 and 107, Section
1948
was reconstructed resulting in a pier that was 21 ft in width.
Riprap was placed along both sides of the outer 1,106 ft of the
1968
tached breakwater (Figure 105, Sections B and C ; both sides of the
)
outer 537 ft of the west pier (Figure 105, Sections E and F ; and
)
M- ). Section
1
included riprap on the lakeside only (Figure 106)
with the crest at an el of
ft lwd. The outer end of the east pier
ft
berm on the
lakeside and a -2 ft el on the harbor side. Side slopes were
Riprap along the west pier (Figure 107, Sections E and F
)
was installed with side slopes of
and an el of
ft lwd on
the lakeside and below the surface of the water on the harbor side
for toe protection. Riprap installed along both sides of the outer
Sections B and
was
end of the detached breakwater (Figure
ft
with side slopes of
with the
installed at an el of
exception of the head (Section C) which had a slope of
on the
lakeside.
The
1972
were reha-
bilitated. Steel sheetpiling was driven on each side of the
existing piers, and the voids were filled with stone. The west pier
(Figure 10'7, Section D) was capped with concrete with a crest el of
a new width of 28 ft. The east pier (Figure 106,
ft
Sections H and
consisted of a concrete and stone cap installed at
was 3 4 ft
ft lwd. The inner portion (Section
a cost el
remaining portion (Section
was built 38 ft wide.
in width
The concrete cap on the shoreward end of the detached breakwater
1978
(Figures 105 and 107, Section A) was rebuilt.
An inspection of the structures indicated that the east breakwater
1979
,
condition and the other structures generally were in good
was in
detached
was low
condition. Riprap on the lakeside of
the concrete cap on the east
had deteriorated in
in areas,
areas. Subsequent maintenance repairs have been performed.
The structures are presently in good condition.
1986
175
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