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  • Basic Design for the Collection, Evacuation and Treatment of Wastewater for Tourist Resort "Kopaonik" - Phase I

    Wednesday, 16 January 2013 12:43
  • Study of Underground Sources of Water Supply for the General Plan of the City of Leskovac, 2010-2020

    Monday, 14 January 2013 16:05
  • Design Project of ‘’Petrovaradinska Ada Source Extension by Building Water Intake Near the River

    Monday, 14 January 2013 14:08
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    Monday, 16 August 2010 14:36
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    Friday, 02 July 2010 17:18
  • Feasibility Study and Master Plan for a Wastewater Treatment Plant in the City of Leskovac

    Monday, 16 August 2010 14:38
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    Monday, 16 August 2010 14:44
  • Feasibility Study and Environmental Impact Assessment for the Wastewater Project in Nikšić

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Projects Design Project of ‘’Petrovaradinska Ada Source Extension by Building Water Intake Near the River
Design Project of ‘’Petrovaradinska Ada Source Extension by Building Water Intake Near the River PDF Print E-mail

Client : PUC. "Water and Sewerage" - Novi Sad

Project Coordinator: Dusan Đuric, B.Sc. C.E.

Project team: Goran Jevtic B.Sc Geology, Maja Pražić B.Sc. C.E., Biljana Cakić B.Sc. Mechanical Eng , Vladislav Arsić B.Sc. Electric Eng, Sladjana Milojković, B.Sc. Economics

Source "Petrovaradinska ada" belongs to the group of three active wells for water supply of population and industry of the city of Novi Sad. The total amount of the affected raw water from all sources, accounts for 40% (about 400 l/s), which makes this space essential resource from the viewpoint of a stable water supply. The spring is formed on the right bank of the Danube (behind Petrovaradin) at the beginning of the eighties. In the current constellation, exploitation of groundwater is conducted with eight tube and six wells with horizontal drains, which cap aquifer  in the sandy-gravel deposit of  quaternary age.

Due to increasing consumer area and reduction in capacity of existing sources of Novi Sad, there is a deficit of drinking water during the summer. Therefore,  a solution to the possibility of expanding the existing springs and wells is considered.

For coastal areas downstream of the well BHD-8 (to the Rokov stream), General Project of ‘Extension of the source "Petrovaradinska ada" by construction of water intake along the river” was made in 2009 ( Jaroslav Černi, Belgrade). According to the results of field studies and hydrodynamic calculations, it was showed that this area can provide additional water of 100 l/ s. After a techno-economic analysis, vertical tube wells with a single capacity of 10/s were selected as water intake facilities.

The next step in the review and implementation of the technical solution  was a preliminary design and feasibility study, which developed the construction, equipping and connection of  ten tube wells (from CB-15 to CB-24). At the conceptual level, raw water from the newly wells and two existing water intake structures (BHD-7and  BHD-8) was analyzed, to the planned water treatment plant "Petrovaradinska ada", capacity 210 l/s. Conditions under which water can transported to HPP "Štrand" were also analyzed  for different modes of system operation  of transporting raw water from the source of Novi Sad.

For preliminary design, the following investigation operations were performed: building structural- piezometer well, construction of testing well (depth 24 m), the experiment of pumping was carried out (120 hours), chemical composition of groundwater was examined (analysis of "V" and "A "scale). According to the results of the hydrodynamic processing coefficients of filtration process is 2.8 x10-4 m/s, the specific yield is 3x10-3, while the hydraulic suspension to supply limit is about 70 meters. In relation to the regulations for hygienic drinking water (Službeni Glasnik SRJ 42/98 and 44/98) all samples, compared to the MDK, have an increased content of arsenic, ammonia, iron and manganese.

The project developed solutions for leveling (filling) the terrain around the water intake structures and along the corridor of access road for internal traffic, length of ~ 700m (width - 10 m), to the elevation of 78m above sea level, as well as solution for routing of pipeline and cables for energy supply. Then, technical solution presented for the construction of water intake facilities - ten vertical tube wells Ø610 mm, their hydro electric and electric equipment and way of transporting water to the HPP "Petrovaradinska ada". Since the water will be directed to HPP Petrovaradinska ADA instead of HPP "Štrand", a suggestion of characteristics of pumping unit which is to replace the existing pumps is given.

The project presented two ways of energy supply of the extended source as well as solution for the management and transmission of data. The performed analyzes have shown that the power supply can be provided with TS "PA 6" 20/0,4 kV, and that connecting substations and constructing new transformer substation "PA 7" 20/0,4 kV would generally improve the energy supply of PUC "Water and sewerage" Novi Sad. A system is designed to manage all the technology and operating parameters from the command-control center (CCC).

Feasibility study defined the scope and structure of investment for the proposed technical solution, financing conditions and gave review of economic and financial effects of investment. The estimate of investment for implementation of proposed solution is about RSD 125,374,494.66. (~ 1 090 000.00 €).

Client : PUC. "Water and Sewerage" - Novi Sad

petr_ada_engProject Coordinator: Dusan Đuric, B.Sc. C.E.
Project team:
Goran Jevtic B.Sc Geology, Maja Pražić B.Sc. C.E., Biljana Cakić B.Sc. Mechanical Eng , Vladislav Arsić B.Sc. Electric Eng, Sladjana Milojković, B.Sc. Economics

Source "Petrovaradinska ada" belongs to the group of three active wells for water supply of population and industry of the city of Novi Sad. The total amount of the affected raw water from all sources, accounts for 40% (about 400 l/s), which makes this space essential resource from the viewpoint of a stable water supply. The spring is formed on the right bank of the Danube (behind Petrovaradin) at the beginning of the eighties. In the current constellation, exploitation of groundwater is conducted with eight tube and six wells with horizontal drains, which cap aquifer in the sandy-gravel deposit of quaternary age.

Due to increasing consumer area and reduction in capacity of existing sources of Novi Sad, there is a deficit of drinking water during the summer. Therefore, a solution to the possibility of expanding the existing springs and wells is considered.

For coastal areas downstream of the well BHD-8 (to the Rokov stream), General Project of 'Extension of the source "Petrovaradinska ada" by construction of water intake along the river" was made in 2009 ( Jaroslav Černi, Belgrade). According to the results of field studies and hydrodynamic calculations, it was showed that this area can provide additional water of 100 l/ s. After a techno-economic analysis, vertical tube wells with a single capacity of 10/s were selected as water intake facilities.

The next step in the review and implementation of the technical solution was a preliminary design and feasibility study, which developed the construction, equipping and connection of ten tube wells (from CB-15 to CB-24). At the conceptual level, raw water from the newly wells and two existing water intake structures (BHD-7and BHD-8) was analyzed, to the planned water treatment plant "Petrovaradinska ada", capacity 210 l/s. Conditions under which water can transported to HPP "Štrand" were also analyzed for different modes of system operation of transporting raw water from the source of Novi Sad.

For preliminary design, the following investigation operations were performed: building structural- piezometer well, construction of testing well (depth 24 m), the experiment of pumping was carried out (120 hours), chemical composition of groundwater was examined (analysis of "V" and "A "scale). According to the results of the hydrodynamic processing coefficients of filtration process is 2.8 x10-4 m/s, the specific yield is 3x10-3, while the hydraulic suspension to supply limit is about 70 meters. In relation to the regulations for hygienic drinking water (Službeni Glasnik SRJ 42/98 and 44/98) all samples, compared to the MDK, have an increased content of arsenic, ammonia, iron and manganese.

The project developed solutions for leveling (filling) the terrain around the water intake structures and along the corridor of access road for internal traffic, length of ~ 700m (width - 10 m), to the elevation of 78m above sea level, as well as solution for routing of pipeline and cables for energy supply. Then, technical solution presented for the construction of water intake facilities - ten vertical tube wells Ø610 mm, their hydro electric and electric equipment and way of transporting water to the HPP "Petrovaradinska ada". Since the water will be directed to HPP Petrovaradinska ADA instead of HPP "Štrand", a suggestion of characteristics of pumping unit which is to replace the existing pumps is given.

The project presented two ways of energy supply of the extended source as well as solution for the management and transmission of data. The performed analyzes have shown that the power supply can be provided with TS "PA 6" 20/0,4 kV, and that connecting substations and constructing new transformer substation "PA 7" 20/0,4 kV would generally improve the energy supply of PUC "Water and sewerage" Novi Sad. A system is designed to manage all the technology and operating parameters from the command-control center (CCC).

Feasibility study defined the scope and structure of investment for the proposed technical solution, financing conditions and gave review of economic and financial effects of investment. The estimate of investment for implementation of proposed solution is about RSD 125,374,494.66. (~ 1 090 000.00 €). 
 

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