Installation of emergency call and operations control centre in existing building. Cloakrooms and parts of the technical rooms on the upper floor, office and social rooms on the attic floor; Technical centres partly on roof. Operating hours 7 x 24 x 365; Availability requirement 99.999%.

150 m2 of 2-layer bitumen, 3,900 m2 of rehabilitation membrane, 4 skylights, 100 m2 of thermal insulation, 4,000 m2 of protective layers

Tops 60 x 60 cm, 1'200 m2, composite 390 m2, covering: textile 800 m2 / linoleum 400 m2, seamless (on site) 390 m2