Gener
JOHNSTON ATOLL
SCIENTIFIC
F &S NO.
TITLE
01014
Nike-Herc Control Bunker and Converter Shelter - Subtasks A941,
and A942
USER
TC
STRUCTURE FACILITY NO.
276 and 737
FUNDING
AGENCY
($000)
JTF-8
PRE-GO
MILCON
CRO 7-64
Prior Cost
ENGR
SCIENTIFIC STATION NO.
91-3-139 and 91-3-140
PROC
CONST
18.2
TOTAL
BoP
FOD GO+60
FURN
18.2%
POST-GO
Est. 9/67
TOTAL
18.2
16.6
16.6
6.0
16.6
34.8
6.0
PRIOR YEARS
ENGINEERING Completed.
Drawings:
91-276-Cl
91-276-Al
91-276-S1 thru S4
91-276-M1 and M2
PROCUREMENT
91-276-El thru E7
91-737-Cl
91-737-El thru E7
JS 91-276-C100
JS 91-276-E100
JS 91-737-E100
Completed.
CONSTRUCTION A combined control bunker and converter shelter (completed in
1965) is located on each of the two southern peninsulas and in line with the Nike-
Herc launch pads (F&S No. 01004). Each building is a 20x 72 x 8-ft. 4-in. high
reinforced concrete structure covered with a minimum of 3-ft. of compacted coral, and separated into two internal areas by a blast protective concrete wall.
The control bunker portion of each building is 20 x 46-ft. long and designed to
provide protection trom fall-back missiles of 2,273 pounds at 705-ft./second.
This protection is mandatory for insuring continuous power. Access is provided
by steel blast doors located at each end of the bunker. One of these doors opens
directly into the converter shelter. The control bunker is air conditioned to main
tain 70°F (45%). Toilet facilities, fluorescent lighting and telephones are also
provided in the bunker. Ventilation and filtration equipment operate on a 24 volt
battery power supply in case all other power fails. Both 120/240 and 480 volt,
60 cycle, 3 phase utility power is provided to the bunker. The bunker is also
provided with 120/208 volt, 400 cycle, 3 phase power which is supplied by a converter located in the adjacent shelter.
The converter shelter portion of each building is 20 x 26-ft. long. One end of
the shelters has been left open for ease of access to the converters. Utility
power, lighting and distribution panels are provided.
VOLI
-14