LAC 43:XIII.8505. Protective Enclosures [49 CFR 193.2905]

A. The following facilities must be surrounded by a protective enclosure: 1. storage tanks; [49 CFR 2905(a)(1)] 2. impounding systems; [49 CFR 2905(a)(2)] 3. vapor barriers; [49 CFR 2905(a)(3)] 4. cargo transfer systems; [49 CFR 2905(a)(4)] 5. process, liquefaction, and vaporization equipment; [49 CFR 2905(a)(5)] 6. control rooms and stations; [49 CFR 2905(a)(6)] 7. control systems; [49 CFR 2905(a)(7)] 8. fire control equipment; [49 CFR 2905(a)(8)] 9. security communications systems; and [49 CFR 2905(a)(9)] 10. alternative power sources. [49 CFR 2905(a)(10)] B. The protective enclosure may be one or more separate enclosures surrounding a single facility or multiple facilities. C. Ground elevations outside a protective enclosure must be graded in a manner that does not impair the effectiveness of the enclosure. [49 CFR 193.2905(b)] D. Protective enclosures may not be located near features outside of the facility, such as trees, poles, or buildings, which could be used to breach the security. [49 CFR 193.2905(c)] E. At least two accesses must be provided in each protective enclosure and be located to minimize the escape distance in the event of emergency. [49 CFR 193.2905(d)] F. Each access must be locked unless it is continuously guarded. During normal operations, an access may be unlocked only by persons designated in writing by the operator. During an emergency, a means must be readily available to all facility personnel within the protective enclosure to open each access. [49 CFR 193.2905(e)]