Switzerland – Supporting walls

Main volumes: - Clearing of shrubs: 20 m² - Demolition of old surface: 20 t - Demolition of block stone/natural stone/concrete walls: 38 m³ - Earthworks excavation: 6,480 m³ - Backfilling/filling: 2,560 m³ - Foundation layers: 320 m³ - Excavation shoring with shotcrete: 90 m² - Unstressed anchors (self-drilling anchors): 21 units - New cable protection pipes: 370 m - New wastewater pipes: 20 m - New RhB channel linings: 150 m - New inspection chambers: 1 unit - New infiltration shaft DN 1,500: 1 unit - New cleaning shaft: 1 unit - New separator system (compact system) DN 3,000: 1 unit - Formwork for structures and pipes: 450 m² - Reinforcement: 15,300 kg - Concrete for engineering structures and utility zones: 220 m³ - New dry stone walling: 15 m³ - Steel plates mounted on walls (4,000 x 1,500 x 15 mm): 29 pieces - New angle plates: 28 m³ - New AC T 22 S surface: 210 t - New AC 8 S broadcast layer: 35 t - New concrete slabs (by hand): 835 m² - Joint grouting: 520 m³ - Delivery of barrier system: 1 x 6.0 m - New Engadine fences: 246 m³ (This list is non-binding and not exhaustive).