of a concrete base 5 feet by 11/2 feet by 1 foot deep, the top of the
concrete being flush with the finish grade.

Stations 85a through f - Engebi - Bio-Med. On January 8, 1951, H& N

received a letter authorizing these 6 additional stations which were the
same as station 73, being a 4 foot diameter hole 4 feet deep into which an

assembly furnished’ by the User was inserted and the hole then backfilled.
Stations

90a through

- Engebi;

9la through f - Muzin;

Bokonaarappu; and 93a through d - Teiteiripucchi - AMC.

92a through d-~

The location of

these stations was given on April 15, 1950, but the construction require-

ments were not furnished until November 7, 1950.

Steel boxes, 2 foot 6

inches cube, were designed and specified to be buried so that the cover
was flush with finish grade. All of the stations had at least 2 inches of

lead on one side, and some of the closer stations (90a, b, e, f, g, h) had
4 inches of lead across the front face and 2 inches along the two sides.

On December 26, 1950, H & N was informed that stations 9lc, d, e, f, and
92a, b, c, d, were to be moved to Runit. These became the 95 series. An
area 12 feet square around the boxes was stabilized with asphalt as per

instruction from J-Division on July 17, 1950.

Stations
95a through h - Runit - AMC, As stated under station 91 and
92, these stations were made up of units moved from Muzin and Bokonaarappu.

The requirements and locations were furnished by the AEC on December 26,
1950. Station 95h was relocated by AEC on February 23, 1951. Asphalting
of the adjacent area was not required for this group.

Station 100 - Engebi, The Aomon Group, and Runit - All Users.

These

were the power houses and are covered in Chapter 5.15 of this volume.

Station 101 - Engebi, Muzin, Kirinian, Bogallua, and The Aomon Group All Users. Timing signal and telephone cable termination stations were wood
frame buildings with corrugated aluminum siding and roofing, The original
size was 8 feet by 8 feet, but a field change by the AEC Resident Engineer

on November 1, 1950, changed it to 8 feet by 12 feet.

Stations 120a through e, and 12la through e ~- Engebi and The Aomon

Group - Rad Chem.

On July 10, 1950, J-Division fami ted an outline
speci-

fication and general dimensional sketch covering its requirements for Sta~
tions 120 and 121. Pressures for which these stations were designed were
established by the AEC, It was required that the design be such that information could be recovered from the structure after the test. The User

requested that the station be constructed of limonite concrete if possible.

A preliminary study indicated that it would not be possible to construct it of limonite concrete with any assurance that the information

could be recovered after the test.

On September 26, 1950, authorization

was received to fabricate these stations on the continent as steel castings
and ship them to the jobsite ready for installation. Compartments and passage ways were required in the foundation for the castings. It was decided
that these should be shop fabricated of steel plate and shipped to the Jobsite ready for installation in the concrete foundations.

5-169

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