KA Nette – Expansion of the wastewater treatment plant - Lot 1-1.2 "Construction technology, new construction and conversion of the facilities "advanced wastewater treatment"

The Niersverband in Germany from Europe region has released this tender for Description before the amendment: This lot includes, among other things, the structural engineering services for the construction of a membrane filtration plant as a 2-story reinforced concrete structure made of watertight cast-in-place concrete (WU concrete) and an attached steel hall including a double-girder bridge crane, partly with sheet pile walling and underwater concrete slab, the construction of a GAK filtration plant as a reinforced concrete structure made of watertight cast-in-place concrete (WU concrete), etc. T with sheet pile walling and underwater concrete slab, the construction of a fine screening plant as a reinforced concrete structure made of watertight cast-in-place concrete (WU concrete) and steel frame hall with sandwich panels, including the concrete construction of a wastewater pumping station (common foundation slab) with sheet pile walling and underwater concrete slab, the construction of a workshop as a single-story steel frame building with sandwich panels and a double-girder bridge crane, the conversion (including concrete repair) of an existing structure into a service and fire-fighting water storage tank, the conversion of an existing shaft structure into a MID shaft, the cast-in-place concrete works for the construction of an energy building as a single-story precast reinforced concrete structure, the construction of various underground pipelines, the cast-in-place concrete works for the construction of temporary feed pumping stations for fine screening and membrane filtration. Description of the modification: Since the required concrete cover cannot be maintained in the area of ​​the open drainage channel of the filter plate in the activated carbon filtration system, the reinforcement must be made of stainless steel. Furthermore, the bar spacing and bar length of the reinforcement must be increased or lengthened in certain sections. with tender notice no. 679616-2026 published on 07 Oct 2026. The tender is due to expire on 31 Dec 2026. This tender is sourced from TED Europa and is eligible for suppliers interested in Sewage-treatment plant construction work. Interested bidders can obtain further information including complete bid documents or ways to participate by registering on Tender Impulse and referencing via Tender Impulse ID 15301203.