Consulting/Accompanying Measures/Project Implementation, Wastewater Disposal Gradiska

Brief description of the Contract:

The purpose of the project is to ensure the collection, transmission and treatment of domestic wastewater of the City of Gradiska at affordable costs. The overall investment volume under the project is approx. EUR 14.3 million (including consulting services and contingencies). The following activities shall be executed within this project:

• Rehabilitation/replacement of critical sections of existing sewers and collectors in order to reduce or prevent groundwater infiltration and/or wastewater leakages into the groundwater
• Implementation of secondary sewerage networks predominantly in those zones, where main drinking water source (Zeravica wellfield) is under threat by the current sanitation system, in zones of preferred urban development as well as in the Gradiska urban area in order to increase the connection rate to the sewerage system
• Construction of the new wastewater conveyance system (pump station and main collector) in order to transfer the overall collected wastewater to the envisaged new WWTP
• Construction of the new WWTP Gradiska to meet EU treated wastewater discharge standards
• Discharge pipeline from the WWTP into the recipient (up to 2km long) depending on the technical proposal which will be defined on the site
• Rehabilitation of several sewerage pumping stations
• Procurement of several vehicles for the operation of the water utility as well as the procurement of CCTV equipment
• Accompanying measures with the aim of the improvement of management and operation in order to ensure sustainable operation of the investment

Requested services

The PIU shall be supported by the Implementation Consultant in the following areas:

• Detailed definition of the investment priorities
• Preparation of the final designs and/or review of the existing designs
• Assessment of existing soil reports and preparation of a detailed geotechnical survey including investigation boreholes on the proposed site for the WWTP and along the route of the main collector. The results of the survey shall be an integrative part of the tender documents
• Evaluation of CCTV inspection reports
• Collection of information and preparation of all documents required to apply for an environmental approval for the investments (if required)
• Supporting the process of obtaining the required legal permission (environmental permit, location permit, construction permit, operation permit)
• Preparation of tender documents and assistance in the public (national and international) competitive bidding process including analysis and evaluation of the proposals (specifically: assessment of the adequacy of the prices offered)
• Assistance in negotiation and contracting for goods, services and works
• Supervision and acceptance of works (including WWTP and the sewer network)
• Counter-signature of disbursement requests
• Overall management of the Project
• Monitoring of development and participation in the review of the Contractor’s Final Project Design of WWTP