The Construction and site improvement department shall:
develop drafts of programmatic decisions and orders of the mayor for the implementation of the territorial policy in the field of construction, improvement and communal facilities in the territory of Yerevan, and order civil works for the mentioned field in compliance with the established procedure;
participate in development of state programs related to the field of coordination of the department and ensure their implementation within the scope of its authority;
organize construction, maintenance and operation of roads of city-wide significance, bridges, new buildings and structures;
assist in organization of construction, maintenance and operation of roads of republican significance;
control and coordinate activities in the territory of Yerevan in the fields of construction, arrangement of green spaces, external lighting, water structures and sanitary cleaning;
assist state hygien and antiepidemic services in establishing control over the sanitary conditions of water supply sources, reservoirs and other objects of the city.