os CHAPTER If, SECTION 5 7 November. The forms have been partially re- moved and the side wails seven feet thick, are noted. At the left and adjacent to Station 1210, is shown the foundation being prepared for Station 1211. Figure 2-113 shows the Station as 95° completed as of 8 January. The relation- ship with Stations 1211, 1212 and 12193 is shown by this aerial view. Figure 2-114 shows the south wall and earth fill in place and the use of sand bags for protection. STATION 1211 - DETECTOR STATION SITE DOG - USER: LASL GENERAL. This Station, used for reaction historv, Was part of Station 1210 and measured 12°- 6" x 238’-6% x 11 O” high. The floor was at the same level as the floor of Station 1210 but was 2’- 6” thick. Within the Station there were seven 12-inch baffle walls 6’-0” x 4'- 3" high at 3°-6" centers. On the exterior wall, between baffles, embedded in openings were 30° I. D. steel pipes which extended into Station 1212. The exterior wall of Station 1231 was supported on three H-piles, 10’-6” on centers. MECHANICAL. Cooled and dehumidified air was brought in from Station 1210. ELECTRICAL. The main electrical feature was a single electro-static screen cage. ENGINEERING. The original criteria were Figure 2-113. Page 2-116 Figure 2-112. Station 1210 - 45% Completed received on 15 Apmil. On 18 Maya revision pro- vided for the inclusion of ba/sfle walls. Engineering drawings and designs are included with Station 1210. CONSTRUCTION. Work was scheduted to commence on 15 August and to be complcted by 31 January 1954. Actual work started on 9 September and was completed on 25 January. Figure 2-113 shown under Sration 1210, shows the exterior wall of Station 1211 with the 30inch pipes extending into Station 1212. station 1210 - Completed