Special civil engineering and demolition works for new district sports hall Lörrach

Excavation pit shoring using tie-backs: approx. 250 soil nails, approx. 80 injection anchors, approx. 330 m² shotcrete walls, approx. 255 m² concrete wall, approx. 53 m bored pile wall. Additionally, complete demolition of the old underground car park including gutting of all building services and selective building deconstruction (predominantly reinforced concrete). Dimensions of the underground car park: 36.0 m length, 54.0 m width, approx. 6.0 m height; enclosed space approx. 11,000 m³. Demolition masses approx.: 4,500 t concrete, approx. 300 t sand-lime brick/brick, approx. 60-70 t steel.

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