Figure: 16 TAC §14.2513(h)

Table 1

                 LOCATION                                           GROUP D, DIVISION                         EXTENT OF CLASSIFIED AREA

LNG Storage Container Area

Indoors

1

Open area between a high-type dike and container wall where dike wall height exceeds distance between dike and container walls.

Outdoors, aboveground containers (other than small containers that are portable and less than 200 gallons aggregate water capacity)

1

Within 15 feet in all directions from container walls and roof, plus area inside a low-type diked or impounding area up to the height of the dike impoundment.

Pits, Trenches or Sumps Located in or Adjacent to Division 1 or 2 Areas

1

Entire pit, trench or sump.

Transport Vehicle and Container Loading and Unloading

 

 

Outdoors in open air at or above grade

1

 

2

Within 5 feet in all directions from connections regularly made or disconnected for product transfer.

Between 5 and 15 feet in all directions from a point where connections are regularly made or disconnected, and within the cylindrical volume between the horizontal equator of the sphere and the grade.

Electrical Seals and Vents Specified in Subchapter F of this Title (relating to Instrumentation and Electrical Services)

2

Within 15 feet in all directions from the equipment, and within the cylindrical volume between the horizontal equator and grade.