Table 10 (Concluded)
Date
Construction and Rehabilitation History
side slopes. The west jetty improvements were brought up to an
1963
ft mlg. These repairs were made with 3,000 tons of
elevation of
(cont.)
5- to 8-ton stone and rearranging 1,500 tons of stone at a cost of
,000. These repairs made the effective lengths of the east and
west jetties 8,200and 7,700 ft, respectively.
The landward 6,250-ft section of the west jetty was repaired, and its
landward end was extended 400
(tie-in). The repairs were made
with stone varying in size up to 3,500 lb
average for stone
between 200 and 3,500 lb (85 percent of total)). The stone was t o be
placed to a crown elevation of
mlg, a 10-ft crown width, and
side slopes. Stone size was based on a 4-ft design wave
height. The purpose of the landward extension was to prevent
continued erosion caused by river runoff. Prior to these repairs
center-line elevations varied from +2- t o
mlg. The cost and
quantity of stone placed were 2,000 and 28,000 tons, respectively.
CORE STONE
TO 4 TON
WEST JETTY
SECTIONS
1942 EXTENSION)
Plan view of Calcasieu Pass jetties and typical sections
Figure
51
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