Refurbishment of sewage systems in closed construction / trenchless refurbishment 2.BA.
The subject of this service description is work on basic maintenance
The rain and waste water sewerage system in a closed construction. Hose liner connection line up to DN 200 approx. 1,600 m
Hose liner DN 150 - DN 250 approx. 3 500 m
Hose liner DN 300 - DN 500 approx. 500 m
Short liners / long liners approx. 80 pieces
Punctual repair procedures, hat profiles approx. 90 pieces
Manhole renovation approx. 80 pieces.