Mine Closure Henneberg (Lesnoj) District in Lauter-Bernsbach

Mine closure work for the Henneberg (Lesnoj) District in Lauter-Bernsbach: 26 months of complex site setup and technological site support; 1,790 m³ of path upgrading and construction, mass movement according to homogeneous areas; 1,330 t of crushed aggregates for road construction; 1,200 t of cultivable soil, compost and neophyte-free; 500 m of construction/new build, 300 m of dismantling of construction road; 5,500 m² of site clearance; 1,100 m² of unbound base course surfacing; 120 m² of repair for asphalt base/wearing course; 1,530 m³ of creating various pre-shafts; 1,080 m² of shotcrete for temporary securing in pre-shafts, adits, and shafts; 1,695 m³ of delivery and installation of concrete C 25/30, use of concrete pump; 4,175 m³ of re-installation of excavation material, backfilling, and terrain restoration; 14 months of provision and operation of a shaft sinking plant at various operating points, consecutively; 330 m³ of shaft sinking work, loading and conveying of masses, vertical and inclined mine workings; 110 m³ of rehabilitation of drifts, loading and conveying of masses, horizontal mine workings; 40 m² of gear timbering; 345 m of full drilling as backfill drilling DN100 and exploration drilling for mine workings; 65 m of full drilling for dewatering DN150; 400 t of gravel and chippings, installation via drilling and auxiliary piping. Execution starts on 12.10.2026 and ends on 16.04.2029. Requirements include a radiation protection officer with proof of expertise, three references for comparable mining or underground services from the last 5 calendar years (at least one with a shaft sinking plant up to 20 m depth), and a PEFC-recognized forestry contractor certificate for timber harvesting (H1 or H2) and timber extraction (H3). Further items as per the tender documents.

Tender documents

Additional details