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§ 60.72 Construction records.(a) DOE shall maintain records of construction of the geologic repository operations area in a manner that ensures their useability for future generations in accordance with § 60.51(a)(2). (b) The records required under paragraph (a) shall include at least the following: (1) Surveys of the underground facility excavations, shafts, and boreholes referenced to readily identifiable surface features or monuments; (2) A description of the materials encountered; (3) Geologic maps and geologic cross sections; (4) Locations and amount of seepage; (5) Details of equipment, methods, progress, and sequence of work; (6) Construction problems; (7) Anomalous conditions encountered; (8) Instrument locations, readings, and analysis; (9) Location and description of structural support systems; (10) Location and description of dewatering systems; and (11) Details, methods of emplacement, and location of seals used. [48 FR 28222, June 21, 1983, as amended at 53 FR 19251, May 27, 1988] |
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