CHAPTER II, SECTION 3
Station
2270
was a concrete structure,
9x10x10 feet, with 3-foot walls and slabs. The
top of the structure was set flush with grade
and had provision for entry through a domed
steel hatch cover in the roof. Sandbags were
placed to a height of 3 feet above grade for additional protection. The front wall contained a
4-inch pipe sleeve with special fittings to connect
a 4-inch vacuum hose for cables to the barge
site.
ladders to this extension and the roof were provided. The existing 14-inch steel bracing beams,
which supported the top story for horizontal
loads, were protected from the sun to minimize
deflection of the building caused by temperature
change of the steel beams. This was accomplished
by installing plywood panels, painted gloss white,
over the length of each steel beam. A two-walled
timber and pile bulkhead were included at the
side of the building to protect a 60-kw generator
from possible wave damage from lagoon events.
The bulkhead was 22x30 feet constructed of
4-inch timbers braced 5 feet on centers. One
wall of the bulkhead terminated at the corner
of the generator room in the rear, and the other
wall terminated at the toe of the return on the
new earth-fill at the front.
Of two existing 35-kw generators originally
located in the station, one was installed as stand-
by power. The other unit was replaced by an out-
side 60-kw generator located in the bulkhead
area. The power and existing air-conditioning
were shut down by remote timing signal. Mechanical modifications were accomplished to
provide a more efficient drop-door snubber sys-
tem and to provide new salt water pumps for the
air-conditioning system.
(Neg. No. W-V-212-4)
Figure No. 2-61. Station 2270 —
80% Complete.
STATION:
2300
SITE:
Peter
USER:
UCRL
PURPOSE:
Scientific Photo Bunker
STATIONS:
2410.01 through .03
SITE:
Fox
USER:
UCRL
PURPOSE:
Phonex Collimators
PARTICIPATION: 8, 9
DESIGN PSI:
None
PARTICIPATION: All Bikini Events
CONSTRUCTION: 3-9-58/4-18-58
DESIGN PSI:
Earth-barricaded timber structures 12x15x8
feet high comprised these stations. The walls
None
CONSTRUCTION: 11-15-58/4-26-58
REDWING Station 2300 was used for this
bunker station. In addition to the rehabilitation
of the station, a 12-foot-long concrete extension
of the third floor outside the 20-foot drop door
was provided for the width of the building. To
insure minimum deflection of the extension and
non-expendability, the extended level was designed as the top of a concrete box with front
wall, side walls, and two interior cross walls
all supported on a mat foundation located on
top of an earth fill built up to the second-floor
level. The structure was integrally tied to the
existing re-inforcing steel of the building. A canvas-covered pipe frame sheltered the exterior
third-floor level. The pipe frame was designed
to be non-expendable. A 14-ton jib crane was
provided at one end of the new extension and
was mounted on the structure wall. New access
Page 120
and roof were framed with heavy timbers to
support the retained earth. A rear entry tunnel
of timber construction provided access through
the fill. The tunnel was 4 feet wide, 8 feet high,
and was L-shaped for lengths of 8x24 feet. A
22-foot-long wood tunnel port provided a view
through the front of the fill from the center
of the structure. The interior of the tunnel was
20 inches square for a 12-foot length and 36
inches square for a 10-foot length. The flocr of
the rear access tunnel was a 6-inch slab thickened at the edges. The floor of the main structure was 3 feet thick and contained two troughs
for access to vertical lift jacks. These User-
furnished jacks adjusted a User-furnished col-
limator block that was provided with lead brick
shielding on the sides and top. Two steel braces
were anchored in the floor slab and braced the
collimator against movement from overpressure.