ee a ee a ty eek The, . : nm das ‘ aN ' mT - ie 4he ¥ Mae pees = ip ae A CHAPTER II, SECTION 4 Figure 2-68. Building 90 - Addition to - Site Fred The structure was a 41’-0” x 60’-0” x 33’-0” addition to Building 90 (Item A-68.11) as completed. Figure 2-69 illustrates the Air Force Photo Lab. Building 610 (Item A-68.12) as completed. Building 639 as shown in Figure 2-65 shows the Parachute Tower on Fred (Item A68.5) as completed on 10 February. wood sheathed and the siding was of corrugated aluminum. CONTRACT ITEM NUMBER A-69.1C UCRL SLAB CAB The girders spanned to wood columns which were ten-foot on center with alternates located This item was for engineering work only on the UCRL mock-up building at Livermore, Cal- ifornia, which was used for the assembly and testing of cab mock-ups. Figure 2-69. Page 2-84 high wood framed building. The roofing was Within the building there was a ten-ton bridge crane supported on steel crane girders. at the building columns. The floor of the building was a sparkproof reinforced concrete slab poured on grade. In the middle of the building and within the floor slab air Force Photo Lab. - Site Fred