Date(s) 
1970 
Site 
1978 
1984 
Table 9 (Concluded) 
Construction and Rehabilitation History 
The jetties were inspected after the August passage of Hurricane 
Celia. Displaced cover stone was noted at the seaward end of the 
north jetty (the convex portion of the north jetty's channel side) 
and a section of the south jetty's gulf side adjacent to and seaward 
of the existing shoreline. It was not known how much of the existing 
damage was caused by Hurricane Celia since no repairs were made 
subsequent to Hurricane Beulah. 
The jetties were repaired by adding and resetting cover stone on 
damaged sections noted during the 1970 inspection (see above). 
Repair areas on the north jetty channel side included 10 sections 
totaling 1,010 lin ft between sta 35+50 and sta 64+00, where 10- to 
12-ton stone was added and the displaced 4- to 10-ton stone reset. 
At the north jetty seaward end displaced 16- to 18-ton stone were 
reset along 300 ft of channel and head semicircle side slopes. The 
south jetty's gulf side between sta 27+00 (existing shoreline) and 
sta 29+30 was repaired by adding 4- to 6-ton stone, and its channel 
side was repaired between sta 16+50 and sta 20+50 by adding 1,000- to 
4,000-1b riprap stone. Total cost of the repairs was $129,500. 
Seven sections of the south jetty totaling 980 lin ft between 
sta 8+70 and sta 24+50 were repaired by placing stone on the landward 
side of the concrete cap. Scour beneath the cap had caused piping 
and removal of sand along its landward face. Although this condition 
had existed for several years, repairs were considered necessary due 
to the size of the scour holes and concern for human safety. The 
repairs consisted of placing a 1.5-ft-thick bedding layer of 0.5- to 
6-in. stone extending 12 ft from the cap and covered with a 2.5-ft 
thickness (but not to project above the cap) of 200- to 1,000-1b 
riprap extending 8 ft from the cap. Total cost of the repairs was 
$60,700. 
The jetties were inspected and considered to be in good condition 
with the exception of 10 to 20 cover stones that were displaced along 
the channel side of each jetty's head section, displaced cover stone 
along the north jetty channel side, and settlement of some supporting 
stone beneath the concrete caps. 
42 
