2. STRUCTURES ON SUPPORT ISLANDS a. SCIENTIFIC STRUCTURES All scientific structures on Eniwetok, Parry, and Japtan Islands shall be inspected, treated as necessary for preservation, and secured. b. UTILITARIAN STRUCTURES Certain utilitarian structures will remain in use after the exercises; these will require no special attention since they will be maintained as required. All other utilitarian structures shall be treated as necessary for preservation. ALUMINUM BUILDINGS - - All aluminum buildings which are not to be kept in use shall be treated as follows: (1) Roofs shall be examined for leaks, and necessary repairs shall be made. (2) Furniture and light bulbs shall be removed and stored. (3) Main electric switches shall be pulled and locked in (4) Main switches and panel switches shall be lubricated. (5) Water shall be shut off and pipes drained. ' (6) (7) open position. . Salt water lines shall be flushed back to mains with fresh water to minimize internal corrosion. All openings shall be closed and secured. QUONSET BUILDINGS spected with a view to cost shall be prepared fore rehabilitation is - = All quonset buildings shall be carefully inrehabilitation for storage use. Estimates of for each building and submitted for approval beumertaken, FRAME BUILDINGS ~ - All frame buildings shall be inspected, re- paired as necessary, painted, and secured. ’ TENTS — - All tents shall be treated as follows: (1) Canvas shall be removed and inspected. That fit for future use shall be stored; the remainder shall be surveyed and, where possible, salvaged for wrapping and other purposes. (2) Frames shall be left in place. They shall be placed on a maintenance schedule to be inspected and repainted as required, 18-13