CHAPTER Il, SECTION 3 STATION: 76 STATION: 77.02 SITE: George SITE: Janet USER: EG&G USER: EG&G PURPOSE: Timing Station PURPOSE: Timing and Telephone Station PARTICIPATION: Event 42 and ail UCRL Bikini Events, Except 11, 12, 13 PARTICIPATION: 10, 21, 25, 27, 28, 30, DESIGN PSI: DESIGN PSI: and 37 3.6 psi CONSTRUCTION: 11-23-57/5-8-58 CONSTRUCTION: 12-24-57/5-16-58 This station was a reinforced concrete The station was an existing concrete struc- ture, 8x12x8-foot-high, rehabilitated to the REDWING condition. STATION: 77.01 SITE: Yvonne USER: EG&G PURPOSE: Timing Station structure, 18x24x11-foot-high, consisting of two rooms, each with a separate entry through steel blast doors. The front wall was 2 feet thick, and the roof and floor were 1 foot, 6 inches thick. The remaining walls were 1 foot thick. Two 19-foot-long tapered concrete wing walls were located at the rear corners of the structure. They were 10 inches thick, supported laterally by concrete counterforts at 6 foot on centers, and extended diagonally out from the building. PARTICIPATION: All Eniwetok Events, Except 2, 16 and 42 DESIGN PSI: 40 psi An earth-fill two feet deep, was placed over the station. An air fan unit and ducts were located 16 psi in the building. The telephone room contain- CONSTRUCTION: 2-26-58/4-11-58 ed a dehumidification unit which was to be operated when the air fan unit was turned off and the outside ducts closed. The building contained a battery-driven converter system for A concrete structure, identified during the previous operation as Station 77, was rehabilitated to the REDWING condition. Four 3-inch conduits stubbed out from the front wall were added. seeaaa- supplying ac power through zero. (Neg. No. W-V-198-1) Figure No. 2-29. Page 78 Timing Station 77.02 — 80% Complete.

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