Extended Shell Construction Works for New Wissingen Primary School

Extended shell construction works for the new building of a two-stream primary school with full-day care, canteen, and administration in Bissendorf-Wissingen. The school building consists of three sections (BT1: approx. 26/25/9.40 m, two-story; BT2: approx. 26/25/9.40 m, two-story; BT3: approx. 30/23/6.90 m, one-story elevated) with a total footprint of approx. 2,260 m², constructed in solid reinforced concrete with individual and strip foundations. Services include site setup (holding period 20 months), earthworks and foundation (e.g., 1,800 m³ topsoil removal, 1,400 m³ excavation, 550 m³ filter layer, 250 m³ new soil), building waterproofing (1,700 m² perimeter insulation, 430 m² waterproofing with bitumen thick coating), scaffolding (3,000 m² working/facade scaffolding load class 4, height up to 10 m, holding period approx. 8 months; 15,000 m³ shoring scaffolding design class B), concrete works (e.g., 2,100 m² cast-in-place concrete base plate, 60 pcs cast-in-place concrete columns, 2,700 m² cast-in-place concrete walls, 3,500 m² cast-in-place concrete floor slabs, various precast concrete stair flights, 250 t reinforcing steel), masonry (340 m² internal walls made of sand-lime brick), and technical building equipment (200 m main pipes made of solid-wall pipe). The execution period is from November 23, 2026, to March 2028. The minimum requirement for bidders is an average annual turnover of at least 4,000,000 EUR over the last three completed financial years, further items as per the tender documents.

Tender documents

Additional details