CHAPTER II, SECTION 3 STATION: 1210.02 SITE: Yvonne USER: LASL PURPOSE: Pinhole Station PARTICIPATION: 20 DESIGN PSI: None CONSTRUCTION: 1-6-58/4-20-58 Station 1210.02 was a Pinhole Station located at the north end of Yvonne near Station 20. This station was oriented in alignment with Shot Station 20, Vacuum Pipeline Station 1217, and Pinex Station 1216. This structure was of reinforced concrete construction, 14x13 feet in overall plan, consisting of a 3-foot-thick foundation slab with 3-foot-thick perimeter walls 6 feet high. The single floor space was 8x7 feet in plan. The station was earth-barricaded to the top of wall Elevation ~ 13.0. The structure contained only electrical outlet receptacles and 8-inch pipe sleeves in the walls in line with the orientation previously described. A canvas cover was provided to protect the room area from the weather. shaped access space to the slot from outside grade. STATION: 1211 SITE: Irene USER: LASL PURPOSE: Pinex Recovery PARTICIPATION: 21 DESIGN PSI: (Neg. No. W-V-260-5) Figure No. 2-40. Stations 1211 and 1410 Ready for Backfill. 80 psi CONSTRUCTION: 1-29-58 /4-26-58 A 36-inch ID pipe projected from Station 1211 through the rear wall on line with the Vacuum Pipeline. A 6-inch support framework detail was situated in the station room space, centered, and aligned with the recovery slot. The User was furnished 6000 feet of 1-inch steel cable, sockets, and a concrete anchor block and marker buoy connected to the User’s sample block. Power was supplied from Station 1525. STATIONS: 1212.01 and 1212.02 SITE: Gene-Helen-Irene USER: LASL ure also provided one other room space for PURPOSE: Vacuum Pipeline ure was 22x5414 feet in plan with a projected PARTICIPATION: 21 Pinex Recovery Station 1211 was situated in a room space of a reinforced concrete structure located at the-Irene terminal end of Vacuum Pipeline, Station 1212.02. The StructPhonex Measurement, Station 1410. The struct- area on one side 15-1/6x3\4 feet and a pair of slot walls and wing walls projecting off the opposite side adjoining the Station 1211 room. Enclosing exterior walls were 3 and 414 feet thick, and interior walls were 3 feet thick. The structure was earth-barricaded on all sides and had a 5-foot fill over the roof slab. Permanent access to the structure was by a concrete tunnel passage through earth-fill at the rear of the structure. The two projecting access slot walls for sample recovery from outside the structure were 2 feet thick and 4 feet high. The slot and walls terminated at a re- taining wall face 11 feet from the outside wall line of the main structure with somefill against the retaining wall section to form a trough- Page 94 DESIGN PSI: None CONSTRUCTION: 1-14-58/4-12-58 Stations 1212.01 and 1212.02 were vacuum pipelines located on the ocean reef off Sites Gene, Helen, and Irene; short runs of pipeline were on land at Gene and across the man-made island off Site Helen, and a long length of pipeline was on Site Irene. The pipelines were aligned between the work points of Station 21, Gene, and Station 1211, Irene. The centerline of pipe elevation was on a true horizontal level between the Station 21 and Station 1211 work points at Elevation + 10.00 feet.

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