On October 18, 1950, after approval was received on the design and
while the castings were being fabricated, the User requested that attach-
ments and other protective devices be installed on the castings to enable
the appl‘ cation of a protective plaster coating in the field. These were
installec on the castings before loading on the boat for shipment to the
Jobsite.
On November 17, 1950 the AEC representative made some minor changes
in the steel assembly and specified that the stucco was to be in 3 layers
on all of the stations except 120e, Engebi and the Aomon Group, which were
to receive no stucco, The specifications for the stucco were provided by
AEC on January 9, 1951.
The 121 steel castings were 6 feet high and were approximately 18
inches wide and 10 feet long. The concrete foundations were 22 feet by 9
feet by 8 feet 2 inches deep,
Station 123 - Engebi_ and The Aomon Group - Rad Chem. These small batfoot wood frame buildings with watertery huts were 4 foot by 4 foot by
proof plywood sheathing. The locations were given by the AEC on October 16,
1950,
Station 124 — Engebi, and Station 125 - The Aomon Group - Rad Chem.
The original sketches for these rocket launcher bases were furnished by the
AEC on December 12, 1950, The platforms were 4 feet by 200 feet by 4 feet
thick, and the top surface was to be {1° of being level. Anchor bolts
were provided to attach the User's assembly. On January 15, 1951, the User
deleted 124 from the program, relocated 125, and established the length of
Station 125 as 220 feet to support 22 launchers.
Station 13ia - Engebi,
and 131 — The Aomon Group
- UCRL.
These detec-
tor stations were limonite concrete structures on coral concrete bases, the
inside dimensions being 4 feet by 4 feet 6 inches by 6 feet 4 inches high
with walls 3 feet 8 inches thick and roof 4 feet 7 inches. Design informa-
tion was first obtained from J-Division on May 13, 1950.
fied this with layouts on June 28, 1950.
The User ampli-
Because of the small space avail-
able for equipment on July 19, 1950, J-Division agreed to placing the
dehumidification equipment outside the structure, On August 18, 1950, the
User requested the door be moved 1 foot to the side, and at a later date
it was decided to leave the whole side open and fill the opening with limonite blocks instead of using a door. On September 1, 1950, additional
drawings and details were forwarded by the User. These were confirmed and
the changes approved by J-Division on September 9, 1950. Until November 22,
1950, Station 13la on Engebi had three vacuum pipes in the floor and ceiling, but on that date the center one was eliminated by the User. The re-
quirements for four vacuum pipes in the floor and ceiling of Station 131 on
the Aomon Group remained unchanged. The electrical requirements were revised on December 15, 1950,
deep.
The foundations were 12 feet 6 inches by 15 feet 8 inches by 5 feet
The 70 cubic yards of limonite alone weighed 285 tons. Station 130
was to be located inside the tower legs and its weight contributed to the
total of 2100 tons load on the foundation for the 200 foot tower on Eberiru.
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