Switzerland - Construction of hydropower plants

Description

Subject of the present tender for the renewal of the Robbia power station are all construction works for the construction of the Braita-Ascialikammer transition, including the cable duct block, in-situ concrete shafts and the extension of the Ascialikammer. Main quantities:- Horizontal length of cableway 2 020 m/height difference 20 m,- Ground approx. 1 700 m3,- Excavated material approx. 9 600 m3,- Excavated material approx. 500 m3 (Asciali chamber),- RC gravel sand approx. 7 400 m3,- Concrete approx. 580 m3,- Shotcrete approx. 450 m3,- Reinforcement approx. 50 t,- Dimensions new transition D = 1 300 mm, L = approx. 3 160 m,- Dimensions new cable conduit block 4 PE DN 100/120/150/150, L = approx. 3 160 m,- Dimensions concrete conduit with inlining-rehabilitation - 900 mm, L = 48 m (under cantonal road)

Opportunity closing date

10 February 2020

Value of contract

to be confirmed