Table 66. Harrisville Harbor Breakwaters Harrisville, Michigan

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structed of rubble-mound materials with cover stones ranging to 3

and 5 tons

for Types

and IV and Types I and

struc-

tures, respectively (Figure 1 7 9 ) . The lakeward end of the south

breakwater (Type I) had a crest el o f

ft lwd, and the remaining

and

had a crest el of

portions of the structure (Types 11,

ft lwd. The crest width was about 7.5 ft; and side slopes on

the lakeside of the breakwaters were

while side slopes on

Toe stone ranged from 5 tons

the harbor side were

and IV to 7 tons

in Types I and

Types

1971

Replenishment of cover stone on the breakwaters was accomplished.

1984

An inspection of the breakwaters revealed some winter storm damage

since several cover stones were missing. An estimated 80 tons of

stone would be required to repair the breakwaters.

Extensions of the north and south breakwaters of approximately 140

1985

and 110 ft, respectively, were completed (Figure 179, hatched ends)

for a cost of over 3,000. Cover stones up to 9.5 tons were used.

The breakwaters, presently, are considered in fair condition. An

1986

aerial photo of the Harrisville Harbor breakwaters (prior to break-

water extensions) is shown in Figure 180.

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