Due to the magnitude of the paving operation and the mmy factors to be considered, a board camposed of five members of the Engineering Division of H & H, each of whem was widely experieneed in paving, was appointed to review all date relative to the subject and make a reconmendation as to type and quantity of material to be purchased for paving. The most extensive and important item of paving was that of the test areas surrounding the zero points and since much valuable time had been consumed in research, and construction activities at the Jobsite were rapidly nearing the time scheduled for surfacing operations, it was imperative that a final decision be reached as to the asphaltic binder to be specified. After a thorough study of the repdrts covering the tests, both at Eniwetok and Los Angeles, the Board submitted its report on February 15, 1950 recommending that: The type of paving material for use on JoB 640 should be emulsified asphalt, Type HRM, American Bitumuls Company, (which is equal to Type #M48-42 American Association of State Highway Officials and to Federal Specifications, Type VI Baulsified Asphalt), to be shipped in bulk by tanker and un-~ loaded into suitable floating storage at the Jobsite, and then to be pumped ashore through suitable hose or pipes to shore tanks during paving operation on each location. On the basis of this report, the culminating action of the long and careful investigation of paving materials, specifications were isaued calling for HRM Bitumuls to be used for paving. was recommended, with coral sand second choice. Crushed coral aggregate One gallon of Bitumls per square yard of pavement per inch of thickness was specified. Commnications received from Los Alamos stated that asphaltic pav- ing 3 inches in thickness would meet requirements for the inner circle, which included all area within 400 feet of the sero point; and paving 1-1/2 inches thick would be required for the outer circle, which included all area between the 1000 feet outer circle and the 400 foot inner circle. The 3 inch pavement was considered adequate for vehicular traffic, whereas the 1-1/2 inch paving was strictly a nontraffic area. For the purpose of access to the inner circle, a 3 inch asphaltic road- way 20 feet in width was planned across the outer circle. In compliance with the recommendations of the board and the AEC requirements for area paving, a requisition was submitted for 802,000 gallons of HRM Bitumuls to be used on the following sites: Aomon, 277,800 gallons; Engebi, 308,200 gallons; and Runit, 216,000 gallons. These quantities were estimated to fulfill the area paving needs as known at the tine. .