CHAPTER II, SECTION 3 2 - FUEL OIL TANK —FS STA. 21 SALT WATER WELL 4 ~ ~ i (Neg. No. W-881-3) Figure No. 2-24. Ground Zero Arrangement — KOA Event. STATION: 22 STATION: 24 SITE: Off Janet SITE: Off Yvonne USER: - LASL USER: LASL PURPOSE: Zero Station PURPOSE: Zero Station PARTICIPATION: 22 PARTICIPATION: 24 DESIGN PSI: DESIGN PSI: None None CONSTRUCTION: 6-6-58/7-18-58 CONSTRUCTION: 5-24-58/6-28-58 A modified LCU hull comprised this station. The modification consisted of removing the bulwark on the portside of the hull and a small portion on the starboard side. In addition, the forward bulwarks were provided with openings The zero station was a modified LCU hull. Modification consisted of removing the port and starboard side bulwarks and providing mooring line openings through the forward bulwarks. A timber cab, L-shaped, 16x25x10-foot high, was placed on a steel beam grillwork which cantilevered 7 feet over the port side. A pipeline was utilized on the portside for a Pinex experiment. for mooring lines from the winches. A new timber cab, 15x21x10-foot-high, was located on the lower huil deck. A jib crane, salvaged from an- other barge, was installed within the cab and extended through the roof for loading User equipment and the device through an 8x7 4-foot roof hatch. Four-point splayed anchoring was utilized with only two forward winches required for positioning. Power was supplied from a 20-kw engine generator. Page 72 The pipeline was 81 feet long and consisted of 19 feet of 8-inch pipe at the lower end (18 feet below the hull deck) connected to 40 feet of 6-inch-diameter pipe which terminated in an access well on the side of the hull and 19 feet of 6-inch pipe from the well to the cab floor. The pipeline was supported by hanger frames off the portside of the hull and perforated the hull, where necessary, to provide a continu-

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