Louisiana Administrative Code
Title 43 - NATURAL RESOURCES
Part XIII - Office of Conservation-Pipeline Safety
Subpart 5 - Liquefied Natural Gas Facilities: Federal Safety Standards
Chapter 69 - Siting Requirements [49 CFR Part 193 Subpart B]
Section XIII-6967 - Wind Forces [49 CFR 193.2067]
Universal Citation: LA Admin Code XIII-6967
Current through Register Vol. 50, No. 9, September 20, 2024
A. LNG facilities must be designed to withstand without loss of structural or functional integrity:
1. the direct effect of
wind forces; [
49
CFR 193.2067(a)(1)
]
2. the pressure differential
between the interior and exterior of a confining, or partially confining,
structure; and [
49
CFR 193.2067(a)(2)
]
3. in the case of impounding
systems for LNG storage tanks, impact forces and potential penetrations by wind
borne missiles. [
49
CFR 193.2067(a)(3)
]
B. The wind forces at the location of the specific facility must be based on one of the following:
1. for shop fabricated containers of LNG or
other hazardous fluids with a capacity of not more than 70,000 gallons,
applicable wind load data in ASCE/SEI 7 (incorporated by reference, see §6713).
[ 49
CFR 193.2067(b)(1)
]
2. for all other LNG facilities:
a. an assumed sustained wind velocity of not
less than 150 miles per hour, unless the Commissioner finds a lower velocity is
justified by adequate supportive data; or [
49
CFR 193.2067(b)(2)(i)
]
b. the most critical combination
of wind velocity and duration, with respect to the effect on the structure,
having a probability of exceedance in a 50-year period of 0.5 percent or less,
if adequate wind data are available and the probabilistic methodology is
reliable. [
49
CFR 193.2067(b)(2)(ii)
]
AUTHORITY NOTE: Promulgated in accordance with R.S. 30:551.C.
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