CHAPTER II, SECTION 4 (Neg. No. W-876-12) Figure No. 2-119. Assembly Building — Nan — 70% Complete. overpressure at Bikini Atoll. The main portion of the building, Room 101, consisted of 28-foot- ting of User-furnished equipment onto the shot feet on centers with girt and purlin framing sup- devices aboard with mobile cranes. The slips were 40 feet, 5 inches clear by 127 feet long; high, 31-foot-wide steel rigid frames spaced 20 porting V-beam-type protected metal roofing and siding. A 15-ton electrically-operated bridge crane with a 5-ton auxiliary hoist was located in Room 101 and operated the length of the building. An automatic absorption-type dehumidifier and a compressor-condenser unit was installed outside the building with a ceiling-hung, self-contained evaporator unit installed in Room 103 to take care of the close humidity and temperature control. Building 204, Communications, was con- structed to house inter-atoll and intra-atoll radio communication equipment. The building was an L-shaped concrete structure with one leg 27x80x 15 feet high. The other leg was 41x53x11 feet high. The long portion of the structure was used for transmitter and receiver equipment. The shorter portion of the building was divided into seven rooms off a central corridor plan. A Cyphony Room contained floor trenches. Other rooms were used for maintenance, storage, radsafety, Dark Room, etc. A 9x12-foot Transformer Room and a 9x18-foot Fan Room were included in the structure. To provice a highly reliable power supply to the monitor and receiving racks, dual switches were utilized. regulators and transfer A three-fingered Barge Slip and Assembly Area were provided at Site Nan for the outfitPage 226 barges. The design was predicated on a need for two quiet. water barge slips for loading weapon the two end fingers were 45 feet, 7 inches wide; and the center finger was 54 feet, 7 inches wide to allow mobile crane access to serve eachslip. Each slip was enclosed from the lagoon in front by a steel gate, which was vertically removable by use of a mobile crane. A catwalk on top of each gate provided access between the slip fingers on the lagoon end. TEMPORARY CAMPS. Design criteria for the other temporary camps were standardized, and all camps, except the one at George, had similar facilities, vary- ing only in the number of living quarters and latrines required to accommodate the anticipated populations. Buildings were erected in accordance with new Jobsite typical drawings for temporary buildings which required wood frame and plywood siding and metal roofs. Tents were framed, covered with tentage and flies, and mounted on concrete slabs. Power and water distillation plants varied in production capacities to meet local demands. Buildings at each site, except George, provided for a Mess Hall and Butcher Shop, Construction Office, Camp Store and Post Office, Refreshment Center, Fire House and First Aid Station, Timekeeping Of- fice, Warehouse, Carpenter Shop, Plumbing and Electrical Shop, Vehicle Repair Shop, Water