CHAPTER II, SECTION 3. 18 inches thick. The wall section projected ap- USER: LASL of 4%4-inch-diameter pipe sleeved holes were in PURPOSE: Phonex Measurement proximately 13 feet above grade. Two rows the wall section in a pattern aligned with the PARTICIPATION: 21 Station 1310 and Station 20 to provide lines of sight through the Station 1310 north wall colli- DESIGN PSI: Station 1317.02 was a 17-foot-long reinforced concrete wall, 18 inches thick and 19 feet, 10 inches high on a foundation slab 6 feet wide and 18 inches thick. The wall section projected approximately 18 feet above grade. Two rows of a 5414x22-foot reinforced concrete, earthbarricaded structure located at the Irene terminal of Vacuum Pipeline, Station 1212.02. work points of the Detector Room Addition at mator holes. of four 14-inch-diameter pipe sleeves were in a pattern aligned with the work points of the Detector Room Addition of Station 1310 and the holes in the Station 1317.01 wall section and Station 20 to provide lines of sight through the Station 1310 north wall collimator holes. Four rows of angles were attached to the Station 20 side face of the wall to seat lead slab shields. STATION: 1320 SITE: Yvonne USER: LASL/SC PURPOSE: Antenna Station PARTICIPATION: None DESIGN PSI: None CONSTRUCTION: 4-8-58/4-10-58 80 psi CONSTRUCTION: 1-29-58/4-26-58 This station was situated in the room space The space for Station 1410 was 36x16 feet with a ceiling height of 64% feet. The exterior walls and one interior division wall separating Station 1211 were 3 feet thick. The roof and floor slabs were also 3 feet thick. Station 1410 also provided a timing signal cabinet, field telephone, light fixtures, receptacles, switch panels, control for an air exhaust fan mounted on a 14-inch-diameter pipe duct through the room ceiling and fill over. A stock wood door and a standard blast door were provided at the en- trance to the room at the end of the interior ’ passage from the outside. Power was furnished from Station 1525 to the receptacles in the interior passage. The structure also provided one other room space for Pinex Recovery Station 1211. STATION: 1510 SITE: Nan USER: LASL/EG&G PURPOSE: Photo Tower Cab User-furnished antennas were mounted on a 12-foot steel pipe mast on a concrete base on the lagoon side of Site Yvonne near Station 1310. Two pair of timing cables and an underground 2-kw, 110-v single-phase power service were run to the station. DESIGN PST: STATION: 1330 CONSTRUCTION: 4-1-58/7-25-58 SITE: Elmer PURPOSE: Remote Measuring USER: LASL PARTICIPATION: None DESIGN PSI: 0.75 psi CONSTRUCTION: 2-22-58/8-16-58 This measuring station was located at the 288-foot level of the 300-foot tower, Station 91. The entire tower plan section, except at the elevator shaft, was framed and floored with steel checker plate. The station was cancelled, how- ever, after steel erection was completed. A wood cab was to have been provided within the tower limits, but it was not constructed. STATION: 1410 SITE: Irene PARTICIPATION: All Bikini Events None Utilizing the existing tower cab on the 300-foot tower, Station 90, this station was rehabilitated to the REDWING condition. STATION: 1511 SITE: Elmer USER: LASL/EG&G PURPOSE: Photo Tower Cab PARTICIPATION: All Eniwetok Events, Except 1, 2, 15 and 16 DESIGN PSI: 0.75 psi CONSTRUCTION: 1-11-58/5-31-58 A cab was placed on the top of the 300-foot tower, Station 91. The original cab in stock was rejected in favor of a new steel-framed structure, 16x18x12-foot-high. The cab contained mechanically operated aluminum roll-up doors Page 103

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