---
kind: "section"
citation: "33 C.F.R. § 148.400"
title: "33"
number: "148.400"
heading: "What does this subpart do?"
url: "https://uscodex.org/cfr/33/148.400"
---

# §148.400. What does this subpart do?

- (a) This subpart prescribes requirements under [33 U.S.C. 1504(b)](/usc/33/1504.md?p=b) for the activities that are involved in site evaluation and pre-construction testing at potential locations for deepwater ports and that may:
  - (1) Adversely affect the environment;
  - (2) Interfere with authorized uses of the Outer Continental Shelf; or
  - (3) **Pose a threat to human health and welfare.**
- (b) For the purpose of this subpart, “site evaluation and pre-construction testing” means studies performed at potential deepwater port locations, including:
  - (1) Preliminary studies to determine the feasibility of a site;
  - (2) Detailed studies of the topographic and geologic structure of the ocean bottom to determine its ability to support offshore structures and other equipment; and
  - (3) Studies done for the preparation of the environmental analysis required under [§ 148.105](/cfr/33/148.105.md) of this part.

## Notes

### Amendments

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39177, July 1, 2013]

### Authority

Authority: 33 U.S.C. 1504; Department of Homeland Security Delegation No. 0170.1 (75).

### Source

Source: USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted.

### Amendments

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39177, July 1, 2013]