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Project of sewage system optimisation of the City of Koprivnica

Project of sewage system optimisation of the City of Koprivnica. City of Koprivnica. Centre of Koprivnica-Križevci county 31.000 inhabitants Relatively big industrial companies - Podravka, Carlsberg, Hartman, Danica, Belupo. Existing state of the sewage system of the City of Koprivnica.

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Project of sewage system optimisation of the City of Koprivnica

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  1. Project ofsewage system optimisation of the City of Koprivnica

  2. City of Koprivnica • Centre of Koprivnica-Križevci county • 31.000 inhabitants • Relatively big industrial companies - Podravka, Carlsberg, Hartman, Danica, Belupo

  3. Existing state of the sewage system of the City of Koprivnica • Beginnings of system construction 100 years ago • Today’s situation: - 186 km of sewage system network - 5 re-pump stations - 21 km of main collectors - main accumulating collector (2,5 km) - Chemical – biological plant for waste water treatment • System management – GKP Komunalac Koprivnica

  4. System expansion dynamics • Last 5 – 6 years: - intensive construction (cca 8-12 km of new or re-constructed sewage) - annual investments of the city: cca 1-2 mil. € for sewage network (construction and reconstruction) - construction of main accumulating collector receiving all waste waters from the city area - construction of biological waste water treatment plant

  5. Problems of existing system • Intensive expansion and reconstruction of the network • Within construction and reconstruction of the network problem area of the system in construction area was assessed • Partial network expansion and system interventions

  6. Why sewage system optimisation? • Major preconditions for system completion sre created (main accumulating collector and chemical-biological treatment plant) • Continuation of network expansion and reconstruction is planned in the same intensity. • Evaluation of the existing system and elaboration of guidelines for dynamics and technical aspects for further investments in the system are needed

  7. Objectives of sewage system optimisation project • Defining technical parameters of existing situation • Elaboration of data bases • Defining drawbacks of the existing system • Defining needs and priorities for interventions on the existing system

  8. Analysis and proposal of preliminary concept for further network expansion • Defining technical parameters of further expansion of the system • Elaboration of optimum sequence of network expansion

  9. Expected benefits and results • Systemized and optimized access to future interventions on network and network expansion • Optimisation of future investments • Improved solution of system completion and work • Improved management of the system and of water protection scheme

  10. Thank you for your attention www.koprivnica.hr

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