Surface storage in horizontally lying containers is used for media hazardous to waters and / or inflammable media, where
- underground storage is either impossible or only possible with many difficulties, or
- where vertical storage in standing containers is impossible for space reasons.
The most popular designs of horizontal containers are:
- Single wall design inside a secondary containment area in the building
- Double wall design inside the building or outdoors
Heated and insulated as an indoor or outdoor storage facility.