---
kind: "section"
citation: "10 C.F.R. § 63.72"
title: "10"
number: "63.72"
heading: "Construction records."
url: "https://uscodex.org/cfr/10/63.72"
---

# §63.72. Construction records.

- (a) DOE shall maintain records of construction of the geologic repository operations area at the Yucca Mountain site in a manner that ensures their usability for future generations in accordance with [§ 63.51(a)(3)](/cfr/10/63.51.md?p=a-3).
- (b) The records required under [paragraph (a)](#a) of this section must include at least the following—
  - (1) Surveys of the underground facility excavations, shafts, ramps, 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;
  - (11) Details, methods of emplacement, and location of seals used; and
  - (12) Facility design records (e.g, design specifications and “as built” drawings).

## Notes

### Authority

Authority: Atomic Energy Act of 1954, secs. 51, 53, 62, 63, 65, 81, 161, 182, 183, 223, 234 (42 U.S.C. 2071, 2073, 2092, 2093, 2095, 2111, 2201, 2232, 2233, 2273, 2282); Energy Reorganization Act of 1974, secs. 201, 202, 206, 211 (42 U.S.C. 5841, 5842, 5846, 5851); 42 U.S.C. 2021a; National Environmental Policy Act of 1969 (42 U.S.C. 4332); Nuclear Waste Policy Act of 1982, secs. 114, 117, 121 (42 U.S.C. 10134, 10137, 10141); 44 U.S.C. 3504 note.

### Source

Source: 66 FR 55792, Nov. 2, 2001, unless otherwise noted.