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WASTEWATER MONITORING SYSTEM FOR EIGHT DISCHARGE OUTLETS OF BELGRADE’S SEWERAGE SYSTEM PDF Print E-mail

BASIC FACTS

Title
Wastewater Quantity and Quality Monitoring System for Eight Discharge Outlets of Belgrade’s Sewerage System

Authors
Miodrag Popović, CE; Zoran Marjanović, CE; Prof. Dr. Dušan Prodanović, CE (University of Belgrade, Faculty of Civil Engineering); Branislav Hiba, CE; and Jacques Cocquelin (O`Consult, Paris)

Clients
Belgrade Public Water Supply and Sewerage Company  
Belgrade City Administration/Secretariat of Utilities and Housing Services

Developed by:
Jaroslav Černi Institute for the Development of Water Resources
University of Belgrade, School of Civil Engineering
Belgrade Public Water Supply and Sewerage Company

Completed in: 2007
Implementation began in:  2009

Beneficiary
Belgrade Public Water Supply and Sewerage Company

Technical Characteristics
Monitoring data are used to analyze performance of the existing sewerage system under both precipitation and precipitation-free conditions. Discharges (sewer water level and average cross-sectional velocity) are measured at various measurement stations, along with a number of specified quality parameters. Discharge measurements under exceptionally difficult conditions are performed applying special technical concepts. Quality measurements are made using appropriately positioned proportional samplers, which collect daily composite wastewater samples and enable monitoring of key wastewater quality characteristics. All measurement stations are equipped with specially-designed instruments which continually monitor quality parameters (temperature, pH, redox potential, and electrical conductivity). The end result of continual monitoring of quantity and quality is the total pollution load emitted by the urban drainage system.

Applicability
This technical solution led to multifold benefits in the analysis of sewer system performance, and helped establish a significant database which will enable the Belgrade Sewerage System (BSS) to maintain better control and optimize the management of the overall system. An added benefit was the ability to assess the impact of BSS on the Sava and Danube rivers, through estimations of continual pollution discharges. 
The measured data certainly constitute an admirable information resource regarding the physical status of the sewerage system, which played a decisive role in the calibration of the mathematical model of the system. Based on analyses using the calibrated mathematical model, it is now possible to realize significant savings, with respect to both the existing wastewater and stormwater evacuation system and its future upgrades.

 
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