5.2.6 Process Equipment Spacing.
5.2.6.1 Process equipment containing LNG, refrigerants, flammable liquids, or flammable
gases shall be located at least 50 ft (15 m) from sources of ignition, a property line that can
be built upon, control centers, offices, shops, and other occupied structures.
5.2.6.2 Where control centers are located in a building housing flammable gas compressors,
Copyright NFPA
the building construction shall comply with 5.3.1.
5.2.6.3 Fired equipment and other sources of ignition shall be located at least 50 ft (15 m)
from any impounding area or container drainage system.
5.2.7 Loading and Unloading Facility Spacing.
5.2.7.1 A pier or dock used for pipeline transfer of LNG shall be located so that any marine
vessel being loaded or unloaded is at least 100 ft (30 m) from any bridge crossing a navigable
waterway.
5.2.7.2 The loading or unloading manifold shall be at least 200 ft (61 m) from such a bridge.
5.2.7.3 LNG and flammable refrigerant loading and unloading connections shall be at least
50 ft (15 m) from uncontrolled sources of ignition, process areas, storage containers, control
buildings, offices, shops, and other occupied or important plant structures unless the
equipment is directly associated with the transfer operation.