Construction works for temporary bypass A4/L136 Untereschbach

Notice title: A4/L136 Behelfsumfahrung

Construction works for a temporary bypass as part of the replacement new construction of the Untereschbach underpass structure (structure no. old 5009685, new 5009672): expansion of construction phases until completion of the temporary bypass, including creation of a KBE, installation of temporary bridges, production of provisional drainage, temporary stream culverts, partial demolition of the existing bridge structure, and new construction of existing drainage facilities in the relevant construction areas. Traffic system: approx. 1,800 m² road surface demolition with unbound layers and milling (asphalt), approx. 850 m² road surface demolition with unbound layers (concrete), approx. 195 m² road surface demolition with unbound layers (concrete block paving), approx. 3,150 t disposal of non-hazardous waste, approx. 50 t disposal of hazardous waste, approx. 500 m demolition of pipelines DN 100 to DN500, approx. 800 m laying of pipelines DN 160 to DN1500, approx. 8,000 m³ earthworks for terrain backfilling and profiling, approx. 3,400 m³ frost protection layer 0/45 mm, approx. 4,200 m² asphalt base course from AC 22 TS and AC 32 TS, approx. 3,750 m² asphalt binder course from AC 22 BS, approx. 4,100 m² asphalt wearing course from SMA 11 S, approx. 120 m hose liner rehabilitation of pipelines DN 300 to DN400, approx. 800 m laying of pipelines DN 160 to DN1500. Foundations for temporary bridges: approx. 1,000 m in-situ concrete bored piles, approx. 2,800 m² sheet pile walls, approx. 1,500 m³ earthworks (removal and excavation), approx. 7,800 m³ earthworks (backfilling, refilling, embankment), approx. 300 m³ concrete delivery and installation, approx. 30 t walings and bracing, approx. 1,100 m injection anchors, approx. 400 m² formwork, approx. 155 t reinforcing steel. KBE embankment construction: approx. 2,700 m² compaction works, approx. 3,900 m² geotextile and erosion protection laying, approx. 8,500 m³ earthworks (backfilling, embankment), approx. 9,000 m² geocomposites installation, approx. 7 t reinforcing steel, approx. 310 m² formwork. Temporary noise barrier including torsion beams: approx. 660 m² noise barrier elements, approx. 130 pcs. noise barrier posts, approx. 310 m³ precast concrete elements, approx. 105 m in-situ concrete piles, approx. 10 t reinforcing steel, approx. 24 t steel structure. Demolition of existing structure no. 5009685: approx. 860 m³ concrete demolition works, approx. 1,100 m³ soil/protective padding, approx. 160 m railings, approx. 160 m distance guardrails, approx. 120 m noise barrier, approx. 950 m² bridge surfacing and waterproofing, approx. 50 t steel structure.

Tender documents

Additional details