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JOHNSTON ATOLL
F &S NO.

TITLE

USER

STRUCTURE /FACILITY NO.

01116

Radiographic Inspection Building

LRL

FUNDING
AGENCY
AEC

,

SCIENTIFIC

SCIENTIFIC STATION NO.

975

($000)

:

BoD

None

ENGR

PROC

FOD

CONST

TOTAL

PRE-GO
Prior Cost

6.8

37.4

44.2

TOTAL

6.8

37.4

44.2

FURN

COMPLETED

DESCRIPTION Building 975 (completed in 1965) is a 16 x 16-ft. concrete block

structure with a built up roof anda 10-ft. ceiling height. The floor is a concrete
slab capable of supporting a l1-ton forklift and covered with conductive linoleum
which is connected to the existing ground system. The building doors consist of
an 8 x &-ft.

double door infront,

offset 1-ft. to the right, and two 3 x 7-ft. per-

sonnel doors at rear in the side walls.
panic hardware.

The latter two doors are equipped with

All lighting, electrical convenience outlets and the telephone outside the building
are explosion proof. Two 220-volt, 20 amp convenience outlets and sixteen 110volt, 20 amp convenience outlets are available. There are four exterior lights,
one over each personnel door and one on each side of the 8-ft. main door, warning lights over each entrance, an intermittent chime on the south wall anda rotating warning light on the roof. The building operations are electrically grounded through brass strips on all four walls.
The building is air conditioned to 60°F (+2°) and 50 percent relative humidity
by means of an exterior mounted air conditioner. The 4x 6-ft. darkroom inside of the building is ventilated by light-tight louvers and has a double, lighttight door arrangement. A cover below the exhaust fan in the darkroom prevents light penetration. One 6-ft. work bench was provided within the building.
A dry well for a daily disposal of 30 gallons of radiographic film processing

solutions and a 15 x 6x 71/2-ft. wooden shelter for the storage of radiographic

inspection cooling system and associated equipment are included.
The shelter
located at the exterior north side of Building 975 has a concrete floor slab and

full 6-ft. wide doors at the east and west sides.

A concrete walkway connects the east and west entrance door pads. Permanent
pipe stanchions supporting substantial barrier chains that can be hooked and
locked in place at the west, south and north entrances to Building 975 and Building 982 berm enclosed areas are provided. Protective earth berms, 9-ft. high,

are located at a minimum distance of 16-ft. from the building.
1-93

VOLI

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