Dome-roof storage tank

ISO 10628-2 (groups 1-2, vessels, tanks and columns) / PIP PIC001 (X8200 dished roof)

Drawn as

A wide flat-bottomed rectangle with a curved (domed) roof.

Meaning

Atmospheric or low-pressure tank with a self-supporting dome roof. Becomes storage-tank.

Variants

Geodesic aluminium domes over floating-roof tanks are drawn as a dome with the floating roof inside