CHAPTER II, SECTION 5 = venues! " . Figure 2-163. as . ee £ Station 2300 - 55°. Completed pleted by 15 February 1954. Actual work started on 25 August and was completed on 20 January. Figure 2-163 shows an estimated completion of 55% as of 15 October. The reinforcing steel in the foreground represents only a part of the stec] requircd to bo worked inte the woner side walls and roof slab. Figure 2-164 shows the east - or rear wall of the Station as completed. The platform and light at the left of the Station was Station 1812.07. Difficulty was experienced in pouring the heavily reinforced limonite concrete key monolithic with the coral concrete foundation of this Station. On the similar pour for Station 2300, this was remedied by providing reverse forms for the limonite pour, which was made after the surrounding coral cement had set. STATION 2310 - MIRROR SHED SITE TARE - USER: UCRL GENERAL. Station 2310 was a 12’-0” x ..8’-0” x 8 - 0” high wood building resting on a series of steel trestles ten feet high. The structure had a wocd floor, plywood and stud walls, and ply- wood andjoist roof. The floor of the Station had two exposed steel I-beams for the purpuse of mounting optical instruments. The dest.n re- quired that a 1000-pound load applied anywhere Figure 2-164. Station 2300 - Completed . be 3, JO along the I-beams, or a 20-mph wind would not cause a slope of the 1-beams of more than two minutes of arc. For this reason a riveted trestle-type support, braced continuously in both directions, was used inthe design of the Station. Electric power was supplied from Station 50. The Station was used for Project 23.1 (high speed photography). Page 2-146 eee at ap lh : 7 me - - 4a , rE cat Ne whe whe! cecelicea,