49
CHAPTER II, SECTION 3
A total of 3,735 lineal feet of 3x12-inch planks
and 3,200 cubic yards of fill were utilized in
the construction of this island, and 256 cubic
yards of concrete were placed for guy anchor
blocks. The causeway was approximately 150
feet long by 70 feet wide and led to the manmade island, which was 110x170 feet in size. A
special base was provided for Tower 1, which
was a concrete structure 24’x24’x11’ deep in
which were incorporated tower footings, elevator
pit, and the embedded steel recording shelter
of Station 3011.
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oy
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Figure 2-28.
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Pre-Assembly of Tower
Components
Prior to the erection of the Station 4 tower
and otherscientific structures at Pearl, one-half
of the island was cleared of tropical overgrowth.
This clearing covered an area 3,000 feet long and
475 feet wide on the lagoon side of the island. In
addition, a channel was blasted in the reef and
a ramp was made in order to accomodate LCM,
LCU and DUKW craft used for transporting
equipment, material, and personnel involved
ore
Figure 2-29.
are
Station 1- Note Guy Anchor Blocks on Reef
Page 2-47