The ouvrage itself comprises one entrance block and two infantry blocks.
Kerfent comprises three infantry blocks and a distant observation block.
Einseling is built as a single infantry block.
The ouvrage consists of one infantry block facing Italy.
The single infantry block possessed two firing chambers and one machine gun turret.
Haut-Poirier comprises three infantry blocks and a small entry block.
It consists of two infantry blocks and two artillery blocks.
Due to budget restrictions, a planned flanking infantry block was never constructed.
It also possesses three infantry blocks and a single entry block.
The ouvrage consists of two infantry blocks and one observation block.