CHAPTER Il, SECTION 5 Cf MCA PIPE we oo eee ee Figure 2-197. mn ay ee ot Assembly Area - Building 412 A concrete slab, 50 feet wide, extended for the full width of building and lean-to on one end along the lagoon side nearest the Barge Slip, Building No. 419. ‘The purpose of the building was for handling and assembling of key experimental] units for successive test operations. CONSTRUCTION. Work started en 3 July 1953 and was completed on 20 March 1954. MECHANICAL. The main buiiding (Reom 101) was served by a 25-ton traveling bridge crane with an auxiliary five-ton hook. Compressed air outlets and an air comnressor were installed. Rooms 102 and 104 contained air conditioning units. Room 104 was provided with . a one half-ton monorail hoist. BUILDING NO. 412 HIGH EXPLOSIVE STORAGE SITE ELMER ELECTRICAL. Incandescent lighting was used in this building with high intensity lighting provided in the layout, instrument and assembly rooms. A considerable number of power outlets were provided in this building, all of which were specified by the User. The crane was powered by a 20 HP main hoist motor, a seven and onehalf HP auxiliary hoist motor and smaller travel motors. Power was supplied from the area electrical distribution system through a Substation located outside of the building. ENGINEERING. Original design criteria were received on 26 March 1953. Additional criteria were received on 7 May, 11 May and 22 June. Design work started on 31 March. Thirteen drawings were prepared and submitted on 23 April and approved on 9 June. Figure 2-196 shows the northeast corner of the building looking towards the lagoon. This building as shown on 15 Octoher, was 76° completed. GENERAL, Building No. 412 was a structural steel building and lean-to erected on reinforced concrete floor slabs with steel siding which was painted on both sides. The main building was 25’-6" x 31°-6” with a lean-to along the south side of the main building 9 - 6” x 25’ - 6”. The building was used in handling, storing and working with highly explosive experimental units. MECHANICAL. The Mechanical features included a floor type drill press, a five-ton pneumatic traveling bridge crane, an air compressor and a dehumidification system. ELECTRICAL. The wiring for the main area of this building was explosion-proof type. Incandescent lighting was used: throughout and utility outlets were provided as directed by the User. A ground grid was provided outside of the building to provide a positive grounding system, and all steel in the building was grounded and bonded to this system.. Power was sup: | oo tot ai os ' ‘a. (| fe i ° Page 2-199 ce, Atole eld