Lé is desired for testing and research. 9 That a maximum use of Zone of the Interior fabrication should be used to reduce to a minimum the use of "on the site" labor. 10. That the use of corrosive resistant materials in construction of non-expendable items is justified. That concrete, exclusive of Gamma buildings, be made from coral aggregate, produced locally. 12, That triangular type guyed towers, 300 feet high, be used for the Zero Towers. 13. That the present Gamma Buildings be re-oriented for the new tower height by tilting. That the distillation of sea water be used to provide for all potable uses and for limited domestic service. 15. That a scheme incorporating the use of many small plants throughout the Proving Grounds be utilized for generation of power. 16. That permanent, protected enclosures be provided for power plants adjacent to Timing Buildings and Living Camps on shot islands. 17. That overhead distribution of electrical power be used on Eniwetok and Parry Islands and in the Living Camps on or adjacent to the shot islands, 18, That a local system of telephones, backed up by a radio system, for inter-island communication be installed and that these systems of communications be operated by civilian personnel. That dependence be placed upon the military for the necessary communication connecting link with locations outside of Eniwetok Atoll. 19.6 That permanent horizontal and vertical control surveys be established. 20. That present submarine control and signal cables be retested periodically during construction. VIII - 2