pleted the footings for the 200-foot tawor while quartered aboard ship, moved ashore with the company and began tower erection. Surveying was begun on 20 January when Lt. Cmdr. Pfau and hia survey party staked out the Hartmsnn line, which also served as a part of the base line for the triangulation schame. Due to high wimds and bad weather, there was a delay of about one week when no msasurawnts could be made. This was overcome by using a canvas wind shield 3 ft. high and 180 ft. long, stretched along the windward side of the measuring tape and manned by 18 enlisted man. By using this system, the initial concrete building was located and layout completed on 29 January. All other layout was finished 2 February. Constructionwas initiated January 21 when excavation for the winch base was completed anc concrete forms were set in place. Concrete for this structure WSS poured the following Saturday, 24 January. One Week later, 31 January, base slab forme were set h place for the timing station. Since the base slabs for all structureswere to be of concrete, ueing local beach run coral aggregate, It was decided that all base slabs would be finished before ●ny wall end roof forms were placed. Accordin@y, the base slabs for all structures were completed Saturday, 7 February. Meanwhile, wall and roof forma ●nd reinforcing steel were being set in place at the timing station. All form were completed by Friday, 13 February, and ● monolithic pour of 83 cubic yards of concrete waa made using local beach run coml aggregate graded ●t approxinmtely 6s% passing a ~ inch sieve and 35% passing from 24 to ~ inch sieve. The mix was 1:2:5 by volume. The above specificationswere follcmed as closely as Section XVI . —.. ---