The ouvrage consists of one infantry block facing Italy.

Granges Communes is located about four kilometers northeast of Ouvrage Restefond[1] on the Col de Raspaillon (or the Col de Granges Communes) at an altitude of 2,525 metres (8,284 ft).

The position was placed to control the Col de Raspaillon road descending from the Camp des Fourches toward Bousiéyas.

The entrance block that presently exists was built in 1956 as part of a NATO policy of upgrading certain fortifications to block an advance by Warsaw Pact forces through northern Italy.

The underground portions of the ouvrage consist of two parallel galleries containing the garrison's living quarters, magazine and supporting utilities.