CHAPTER II, SECTION 5 shown, and as of 5 December, was estimated at 61completion. Figure 2-124 shows the south and west walls of the Station nearing completion on » January. The vertical slot, or chimney. is shown on the rear side. Fisure 2-125 shows the Station compicted with the User’s trailers on Deita as of 5 February. On the third floor, zero side, is shown a continuous horizontal slot, closed by a single heavy steel shutter door pivoting on hinges located above the slot. STATION 1342 - CAMERA BUNKER SITE GEORGE - USER: LASL Figure 2-124. GENERAL. This station used for high speed photozraphy wa» a massive reinforced co.icrete bunker identical in most respects to Station 1341. The addition of a room on the first floor and the addition of Station 1303 on the roof of Station 1342 constituted the principal dif- Station 1341 - South and West Walls {-rences. sequent structures on Delta and Abie. After driving of the sheet piling which enclosed the Station footings, som: rotation due to settlement also resulted. Neither the effect of settlement nor the elevation differences were critical to photography in the 7500-foot distance involved. Figure 2-121 shows the foundation wall forms and the massive depth to prevent overturning. The two pipes in the center were the siphon sleeves for the salt water well. Status of work on 5 October was 8% completed. Figure 9-122 shows the pounng of the side walls, and the structure was 31% completed as of 5 November. Figure 2-123 notes erection of forms for the second and third floors. The progress as Figure 2-125. Page 2-124 ELECTRICAL. The electrical system was sim- ar to Station 1341 with the following major exceptions: (1) two 30 KWgenerator sets were proviced and (2) two distinct clectrical systems were provided, both A-C and D-C, ENGINEERING. under Station 1341. similar to and reported CONSTRUCTION. Work was scheduled to commence on 10 September and to be completed by 15 January 1954. Actual work started on 31 August and was completed on 25 January. Figure 2-127 shows the massive steel rods required for the reinforcement of the ceiling slab. Figure 2-126 notes Station 1303 (camera piers) on the root ai Station 1342 and completed as of 3 Station 1341 - Completed hy

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