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JOHNSTON ATOLL
Swe:
SUPPORT *
F aS NO.
TITLE
02040
Shoreline Protection
USER
STRUGTURE/FACILITY NO.
SCIENTIFIC STATION NO.
JTF
None
None
'
BoD
j
Foo
FUNDING
AGENCY
($000)
ENGR
PROC
CONST
TOTAL
5,266.0
5,266.0
1,092.0
1,092.0
FURN
JTF -8/
MILCON
MIPR
21-65
27-66
PRE-GO
Prior Cost
FY-69
28-67 &
,
DASA/
TOTAL
6,358.0
‘
6,358.0
PRIOR YEARS
BE ie eye
MIPR
(1968)
ENGINEERING Completed.
Drawings:
Naval Facilities Engineering Command Numbers:
1069359 thru 1069361
1069339 and 1069367
1069494 thru 1069497
1103889 thru 1103907
PROCUREMENT Completed.
CONSTRUCTION Concrete sheet piling was driven along the tips of the East and
West peninsulas on Johnston Island to prevent erosion of the shoreline. A con-
tinuous concrete cap was placed on top of the piling. A 25-ft. wide area behind
the piling was paved with 4-in. thick concrete.
The length of the piling and paving around the tip of the East peninsula is approximately 700-lin, ft.
Precast concrete block rip-rap has been placed along the
galing {rom the end of the piling, 150-ft. along the west side of the
u& 300-ft. along the east side. The length of the piling and pavEHH of the West peninsula is approximately 1,100-lin. ft. Precast
concrete block’'Wp-rap has been placed along the shoreline extending from the
end of the piling, 100-ft. along the east side of the West peninsula and 30-ft.
along the west side.
In addition, concrete revetments, steel sheet piling and/or rip-rap were placed
at the following locations on Johnston Atoll to protect areas subject to undesirable wave action:
VOL I
April 1969