Tenders of Osthavell Ndische Trinkwasserversorgung Und Abwasserbehandlung Gmbh

Laying of drinking water pipes: - 260 m pressure pipe Pe 100-rc 125x11.4 mm, SDR 11, protective jacket pipe, laying in closed construction (HDD method) - 70 m pressure pipe Pe 100-rc 125x11.4 mm, SDR 11, protective jacket pipe, laying in open construction - 50 m pressure pipe Pe 100-rc 40x3.7 mm, SDR 11, solid wall pipe, TW-HA, laying in closed construction (earth rocket) - 30 m pressure pipe Pe 100-rc 40x3.7 mm, SDR 11, solid wall pipe, TW-HA, laying in open construction - Rebinding of 23 drinking water house connections (or partially replacing) - Installation of 1 slide valve DN 50, 4 pieces. Gate valve Dn 80, 7 pcs. Gate valve Dn 100 U. 3 pcs. U-hydrant Dn 80 - Connection of the new pipes to the old TW pipes - Damming of the old pipes, removal of the old fittings in the connection areas - Earthworks and shoring work - Creation of start and target pits for HDD processes - Traffic safety - Road construction work