The Emschergenossenschaft operates the Bottrop sewage treatment plant (1.34 million inhabitants). The subject of the tendered services is the planning of civil engineering structures as well as the technical equipment in the context of the optimisation of the biological purification stage. Special consideration is to be given to energy-saving and energy-opening measures in the optimisation. The central service within the scope of the tendered contract is the renewal of the aeration tanks aeration tanks.
- Civil engineering structures - HOAI § 43 or Appendix 12, phases 1 - 9; All basic services including additional special services (in particular on-site construction supervision).
- Technical equipment - HOAI § 55 or Appendix 15 - Lph 1 - 9 - Plant groups 3, 4, 7, 8; all basic services, including additional special services.