CHAPTER II, SECTION § Figure 2-89. Station 70 - Interior of Room Four noted in Figure 2-88. This photograph was taken on 4 February and shows wing walls and earth fill in place as completed. MECHANICAL. A dehumidification system serviced the entire station. ELECTRICAL. As this Station was the communication center, a large amount oi electrical wiring and equipment was installed. Power was furnished from a 300 KVA Substation located in a concrete vault adjacent to Station 70. ENGINEERING. The original basic design criteria were received on 22 January and 27 March 1953. Major and minor changes in criteria were received on 15 April, 14 May, 18 May, 20 May, 11 August, 14 August, 2 September and 25 November. Electrical design criteria were received on 27 March. Major revisions were required on 15 Apmil and electrical drawings were approved on 6 August. Subsequent to approval, major changes were required on 26 August and 1 November. Twelve drawings were designed and detailed with starting dates varying from 30 April to 11 August, completion dates varied from 22 May to 20 October, approval dates varied from 9 June to 19 November. Some of the drawings had from three to six revisions; the date of the last revision was on 3 Page 2-96 December. Figure 2-89 show: partial installation of User’s and Cor.ractor’s equipment in Room No. 4. This figure is as of 9 January 1954 with the entire structure reported at 96% completed. CONSTRUCTION. Construction work was scheduled to commence on 1 September and be completed on 7 January 1054. Actual cunstruction started on 7 October and was completed on 12 January. STATION 71 - TIMING AND FIRING SITE ELMER - USER: EG&G GENERAL. This station is the existing Control Building 311, and is the control center for the atoll. No work was required except support. STATIONS 72.01 - 72.04 - TIMING AND FIRING - SITES VARIOUS - USER: EG&G GENERAL. These stations were rehabilitated from IVY Timing Stations 1001.01 (Janet), 1001.02 (Ursula) and 1001.03 (Yvonne). ENGINEERING. One drawing was prepared and was submitted on 29 September 1953. It was approved on 28 October. Station 72.04 on site Mary was changed to a submarine cable terminal Station ST 4.1. ; i (| |. IL