23E0494 (LBB NL Koblenz) Bw-Zentralkrankenhaus Koblenz-Metternich - Neubau 1. and functional building / construction of connection tunnel AWT

approx. 275 m3 of search digging and trenches by hand, disposing of soil; demolition of approx. 700 m2 of existing fortifications, dispose of asphalt and concrete block pavement; approx. 1,500 m3 of small-scale excavated soil up to 6m depth, excavation pit installed, work under limited height, dispose of soil; install approx. 1,300 m3 of filling material, replacement floor, gravel base courses in small parts; approx. 540m saw cuts reinforced concrete, component thickness i. M. 40cm, execution in small sections; approx. 400 m3 of small-scale demolition of existing underground reinforced concrete structure, dispose of; approx. 700 m2 small-scale infill, excavation pit shoring with wood and shotcrete, load-bearing piles/girders are available; approx. 25 t of steel construction work for stiffening/supporting the excavation pit support, manufacture, dismantle, dispose of; approx. 68 m new construction of connecting tunnel in in-situ concrete construction, open construction under limited height, clear internal dimensions W/H 3.60m/2.50m including sealing, insulation, drainage, construction in construction phases, 2 connections to existing structures; approx. 240 m production of cable route cable conduits DA110; restore approx. 700 m2 of pavements, mainly asphalt construction methods; approx. 10,800 tonnes of disposal of construction and soil waste; approx. 30 m relocation of an existing oil pipe, Flexwell safety pipe, double-walled, in operation, DN32, PN25; approx. 160 m Production of pipeline route oil pipe, Flexwell safety pipe, double-walled, out of service, DN32, PN25