49 CFR § 193.2907 - Protective enclosure construction.

---
identifier: "/us/cfr/t49/s193.2907"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 193.2907 - Protective enclosure construction."
title_number: 49
title_name: "Transportation"
section_number: "193.2907"
section_name: "Protective enclosure construction."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "PIPELINE SAFETY"
part_number: "193"
part_name: "LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 5103, 60102, 60103, 60104, 60108, 60109, 60110, 60113, 60118; and 49 CFR 1.53."
regulatory_source: "45 FR 9203, Feb. 11, 1980, unless otherwise noted."
cfr_part: "193"
---


# 193.2907 Protective enclosure construction.

(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]