# Protective enclosure construction.

**Citation:** 49 CFR 193.2907  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Each protective enclosure must have sufficient strength and configuration to obstruct unauthorized access to the facilities enclosed.

(b) Openings in or under protective enclosures must be secured by grates, doors or covers of construction and fastening of sufficient strength such that the inte

## Document text

(a) Each protective enclosure must have sufficient strength and configuration to obstruct unauthorized access to the facilities enclosed.

(b) Openings in or under protective enclosures must be secured by grates, doors or covers of construction and fastening of sufficient strength such that the integrity of the protective enclosure is not reduced by any opening.

[Amdt. 193-2, 45 FR 70409, Oct. 23, 1980, as amended by Amdt. 193-12, 61 FR 27793, June 3, 1996; 61 FR 45905, Aug. 30, 1996]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2907>
- Source ID: `ecfr`
- SHA-256: `458e6decebfcfd72b4688a0016d9980aeb6a84cd7e70367e69fee8581869e656`
- Retrieved: 2026-08-20T05:54:35.243Z
- Exported: 2026-08-22T10:10:26.115Z
- Document slug: `49-cfr-193-2907`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "193",
  "section": "193.2907",
  "subpart": "Subpart J—Security",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```