Table 22 (Concluded)
Date
Construction and Rehabilitation History
1972-
worst areas as low as
mlw. It was estimated that 1,000and
1974
500 tons of new and salvageable stone, respectively, were needed to
(cont.)
repair the jetty.
1975
The seaward 525-ft section of the west jetty was repaired to the
1968-69 design cross section using
to 7-ton cover stone and
to 1,000-lb underlayer stone as needed (Figure 25, inset). The
repairs were made for a total cost of ,000.
1977
An inspection indicated that the east jetty was in good condition but
that the west jetty needed some armor stone reset.
1986
Yearly inspections indicate that the jetties are in good condition.
For the purpose of this report, the lengths of the east and west
jetties are considered to be 645 and 850 ft long, respectively (the
1968-69 improvements plus approximately 150 ft of concrete wall
landward of the east jetty repair section).
TYPICAL SECTION-WEST JETTY EXTENSION
Figure 25. Plan view and cross sections of
jetties at Green Harbor, Mass.
53