This system consists of lodging SUR (Solid Urban Residue) containers below the ground, which are normally located above ground at street level.

The entire system is kept locked under a metallic lid with rubber joints, which makes it impermeable to water or odour. The lid of the framework surface is adjustable in height, making it adaptable to the different gradients of slopes in the streets. The lifting and tipping of the equipment is activated hydraulically.