CHAPTER II, SECTION 3
STATION:
1131
STATION:
1210.01
SITE:
Yvonne
SITE:
Helen
USER:
LASL
USER:
LASL
PURPOSE:
Vacuum Pipeline
PURPOSE:
Pinhole Station
PARTICIPATION: 20
PARTICIPATION: 21
DESIGN PSI:
DESIGN PSI:
None
CONSTRUCTION: 2-13-58/4-11-58
None
CONSTRUCTION: 1-6-58/4-20-58
Vacuum Pipeline, Station 1131, began inside Shot Station 20 and terminated at Neutron Wheel House, Station 1130. The overall
pipeline length was 491 feet. Beginning at
Station 20, the steel pipe sizes and lengths
were as follows: 24 inches - 176 feet, 20 inches 110 feet, 16 inches - 100 feet,.12 inches - 90 feet,
and 8 inches - 15 feet. A 4-inch branch line
connected to the Vacuum Pump House, Station
1218. The main pipeline was supported at 30foot intervals in a welded angle, yoke assembly
at the top of 8-inch steel-pile section posts embedded in 5x3x2-foot-thick concrete spread footings. Footings on the reef were tied to the coral
with four %-inch-diameter by 18-inch-long
dowels.
Station 1210.01 was a Pinhole Station
located on a man-madeisland at the end of a
causeway off the ocean side of Site Helen. The
structure was of reinforced concrete construction
14x3-foot overall in plan, consisting of a 3-foot-
thick foundation slab with 3-foot-thick perimeter
walls 6 feet high. The single floor space enclosed
was 8x7-foot in plan. The station was earth
barricaded to the top of the wall Elevation + 13.0.
The structure contained 120- and 208-volt outlet receptacles, 480-volt primary service trans-
former, and a field telephone. This structure
was the terminal of the 4-inch diameter steel
pipe section of the Vacuum Pipeline, Stations
1212.01 and 1212.02, Sites Gene-Helen-Irene.
A canvas cover was provided to protect the
room area space from the weather.
(Neg. No. W-V-207-8)
Figure No. 2-39.
Pinhole Station 1210.01 — 85% Complete.
Page 93