Sewer construction, sewer rehabilitation, water pipeline construction, district heating, and electrical works for infrastructure at Saarland University, Saarbrücken Campus

Open sewer construction: approx. 2,000 m² surface excavation, approx. 4,300 m³ excavation in trenches and shaft construction pits, approx. 4,900 m² shoring work up to 6.00 m depth, approx. 870 m PVC-U pipe laying DN 150 - DN 300, 25 precast concrete manholes (DN100 / DN1200), 10 plastic manholes DN1000. Closed sewer rehabilitation: approx. 100 m synthetic fiber liner DN300, approx. 400 m synthetic fiber liner DN100-250, approx. 400 m GRP liner DN150-250, approx. 400 m GRP liner DN300-400, approx. 85 m pipe bursting with short pipe DN200, approx. 45 m pipe bursting with short pipe DN250, approx. 75 m pipe bursting with short pipe DN300, approx. 15 m pipe bursting with short pipe DN400. Drinking water pipeline: approx. 1,000 m² surface excavation, approx. 2,300 m³ excavation in trenches and construction pits, approx. 5,700 m² shoring work up to 2.50 m depth, approx. 375 m HDPE water pipe laying DA225, approx. 950 m HDPE water pipe laying DA160, approx. 120 m HDPE water pipe laying DA140, approx. 100 m HDPE water pipe laying DA125, approx. 145 m HDPE water pipe laying DA110. District heating pipeline: approx. 1,400 m² surface excavation, approx. 5,200 m³ excavation in trenches and construction pits, approx. 4,750 m² shoring work up to 2.50 m depth, approx. 266 m KM pipe DN300, approx. 450 m KM pipe DN250, approx. 1,260 m KM pipe DN200, approx. 420 m KM pipe DN100, approx. 900 m KM pipe DN32 - DN100. Cable technology: approx. 675 m³ excavation in trenches and construction pits, approx. 1,300 m² shoring work up to 2.50 m depth, approx. 7,350 m low-voltage cable NYCWY 4x150/70, approx. 3,000 m low-voltage cable NYCWY 4x95/50, approx. 1,400 m medium-voltage cable N2XS2Y 1x95RM/16, approx. 1,700 m micro-duct assembly 12x 10/6 mm, approx. 650 m micro-duct assembly 3x 10/6 mm, approx. 2,500 m telecommunication cable.

Tender documents

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