Feasibility Study and Preliminary Design of Waste Water Treatment in Veliko Selo-Beograd, Serbia

Client: Agency for Construction and Land Development of Belgrade, Serbia
Associated Firm(s): SOGREAH, France Ehting, Serbia and Montenegro
Start Date (Month/Year): December 2004
Completion Date (Month/Year): December 2006
Staff Number: 14

Narrative Description of Project:
The central sewerage system of Belgrade consists of several main trunks, sewerage pumping stations and Interceptor. The wastewater from the Central Sewerage system will be treated on the WWTP Veliko Selo. It is located on the bank of the Danube River. The plant is designed for final stage and a total of 1,6 mil Population Equivalents. Today, municipal and industrial wastewater is discharged without treatment into the Danube River. In the future, the entire wastewater of Belgrade shall be treated in compliance to the European Union guidelines.

Scope of activities and project objectives are:
• Optimization of micro location of the plant
• Technical assistance to the client for financial sources identification
• Professional assistance to the client in project organization
• Project plan preparation
• Establishment of different technical alternatives and their optimization
• Preparation of programs for investigation works
• Preparation of environmental impact assessment study

Description of Actual Services Provided by ITSC:
The feasibility study for the wastewater treatment plant Veliko Selo covers the following services:
• Investigation and evaluation of relevant planning data
- Wastewater quantities and pollution load
- Data and boundary conditions of the planned drainage system
- Geological and soil-mechanical data
- Hydro-logic data (water levels of the Danube for different discharge occurrences)
• Evaluation of different process alternatives: Conventional Activated Sludge Process, Bioaerated Filtration and SBR technology & two alternatives for sludge treatment were analyzed: Anaerobic Sludge Treatment with biogas production and Sludge Incineration
• Determination of investment costs, operating costs waste water tariffs, & economic analysis
• Proof of the feasibility and investigation of applicable financial models
• Preparation of preliminary design for chosen process alternative

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