Uniquely, the blocks are not connected by subterranean galleries, as is the case in virtually all other Maginot fortifications.

It was completed at a cost of 11 million francs by the contractor La Parisienne d'Enterprises.

[4] In addition to the combat blocks, a series of detached casemates and infantry shelters surround Berenbach, including The 1940 manning of the ouvrage under the command of Captain Ramaud comprised 97 men and 2 officers of the 162nd Fortress Infantry Regiment.

[9] The Casernement de Bockange provided peacetime above-ground barracks and support services to Berenbach and other positions in the area.

After the Second World War it became part of the Mòle de Boulay, a strongpoint in the northeastern defenses against Soviet attack.