West supply canal, civil engineering and shell construction work (26-28348)

Internal ID: 26-28348 Title: University of Stuttgart; Waste heat utilization High-Performance Computing Center (HLRS) III and HLRS inventory West supply canal, civil and shell construction work Description: West supply canal, civil and shell construction work Type of contract: Construction work Description: On the campus of the University of Stuttgart, the state of Baden-Württemberg, represented by the University Building Authority of Stuttgart and Hohenheim, is currently building a new building for the high-performance computing center and a waste heat center. In order to supply the new data center with electricity and to use the waste heat, the construction of an underground, accessible supply channel is required in several sections. Part of this tender is the construction of the fourth and final section, the so-called “West” section. This section is 300 m long (clear width 2.40 m, clear height 2.30 m). The required excavation pit is mainly constructed using pile beam shoring and only to a small extent with an embankment. To clear the construction site, supply and disposal lines must be relocated. The contractor's services include complete civil engineering and road construction work, pipe laying and sewerage work, earthworks, special foundation engineering work, reinforced concrete work and sealing work. Mass: • Topsoil removal approx. 3,800 m² • Creating construction site traffic areas approx. 3,400 m² • Temporary road laying asphalt approx. 1,400 m² • Construction pit excavation supply channel approx. 9,200 m³ • Trench excavation for supply and disposal lines approx. 1,100 m³ • Soil preparation and reinstallation approx. 2,500 m³ • Delivery and installation of foreign material approx. 3,500 m³ • Floor disposal approx. 7,800 m³ • Support pile wall approx. 2,700 m² (max. drilling depth approx. 11 m, drilling length approx. 1,750 m, diameter 750mm, steel girder, infill made of wooden planks, thickness 12 cm, partly shotcrete) • Reinforced concrete work approx. 1,300 m³ in-situ concrete (R-concrete), approx. 250 tons of structural steel • Fresh concrete composite system approx. 3,100 m² • Ring and foundation earth earth approx. 1,900 m • Safety drainage with filter gravel approx. 180 m • Combined sewer reinforced concrete DN 500 approx. 110 m, shafts approx. 6 pcs • Drinking water supply line DN 100 PE approx. 65 m • Restoration of asphalt traffic areas approx. 1,000 m² • Restoration of paved traffic areas approx. 400 m²