Maintenance contract for the facilities of Vmc sanitary heritage Hsf and Rivp Ja (managed by hsf).

Hsf heritage: 96 sites concerned serving 2387 housing units, in Paris and Lilas

Rivp Ja heritage: 10 sites serving 383 housing units in Paris and Boulogne.

the contract does not include the maintenance of Vmc gas caissons

Maintenance of the sanitary VMCs of the Hsf park

Maintenance of the sanitary Vmc of the Rivp Ja park, managed by Hsf