scope:

This standard covers the design, construction, and location of LP-gas installations (except frozen earth pits and underground storage caverns or wells) at marine and pipeline terminals, natural gas processing plants, refineries, and tank farms, which may be associated with one or more of the following: railroad, truck, or marine loading or unloading racks or docks.

Part I (Par. 1through 10) of this standard applies to no refrigerated LP-gas storage; also to refrigerated storage (including auto refrigeration) except as modified and amplified in Part II (Par. R-4 through R-8 and Par. R-11).

This standard does not apply to LP-gas installations as covered by NFPA Pamphlets No.58^1* and No.59,² nor to those installations utilizing DOT (Department of Transpiration) containers; nor does it apply to chemical plants, gas utilities companies, processing equipment, or transfer systems (from process equipment) preceding finished LP-gas storage

*REFERENCES  on p.22