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Modernization of wastewater treatment plant

Energia - Środowisko
Dodatek promocyjno-reklamowy do "RZECZPOSPOLITEJ".
21 grudnia 2005 r.

 

 

Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji w Lublinie (Waterworks and Sewage Company Ltd in Lublin)

Modernization of wastewater treatment plant

Lublin's wastewater treatment plant "Hajdów" began to operate in the early 1990s at the time when Poland was undergoing deep political and economic changes. The plant was to serve Lublin agglomeration and the neighbouring town of Świdnik. Significantly the construction of the plant began in mid 1970s, but as soon as it was put into operation, the plant urgently needed to be modernized. The reason for that was long implementation period of the investment, tightening environmental regulations as well as design flaws, construction errors and low quality of many facilities installed over the many years of the plant's construction.

Statement by Andrzej Pruszkowski, mayor of Lublin

Construction of "Hajdów" wastewater treatment plant in Lublin began a long time ago - in mid 1970s. The investment did not, frankly speaking, raise much enthusiasm among Lublin's inhabitants, especially those living close to the plant. The main reason for their objections was that the old wastewater treatment plant met required standards … well, it did but they were pre-war standards. Naturally, the plant was a nuisance for the community and the environment and people feared that the new plant would be even more burdensome.

However, the at that time innovative technology spoke in favour of the new wastewater treatment plant - the plant was to be modern and equipped with technologically advanced facilities imported from West Germany. Due to the local relief features, Lublin was considered to be a good location for the plant.

Extension, or rather modernization of our wastewater treatment plant is now underway and will not only reduce the burdensomeness of the plant for inhabitants but also enhance the speed and efficiency of treatment processes. It is worth emphasizing that the investment is important not only for Lublin as the plant in Hajdów already serves Świdnik and the neighbouring municipalities. Moreover, thanks to modernization activities, the plant will be able to treat sewage also from other areas, including i.a. Głusko, Konopnica and Jastków.

Initially, application for EU funds was a joint task of the town of Lublin and Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji Sp. z o.o. w Lublinie - MPWiK (Waterworks and Sewage Company Ltd in Lublin). Then the town authorised the utility to act as beneficiary. MPWiK has extensive knowledge and experience. It is a vigorous, modern company which seeks best economic and environmental solutions.

The town is applying for further EU funding even before the completion of this or any other investments. As far as environmental projects are concerned, we are planning to apply for EU financial support for a landfill degasification project in Rokitno in Lubartów municipality, construction of a sludge disposal facility with sorting line and for construction of a dynamic composting facility.

We treat our efforts for EU funding as a continuous process. We always keep our finger on the pulse: we continuously analyse our needs and capabilities and actively seek to expand the latter, we draw up and submit applications and do our utmost to make them successful. Our town's future development success and the role it will play in the united Europe lies in exactly this sphere of our activities. n

Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji w Lublinie - MPWiK (Waterworks and Sewage Company Ltd in Lublin), which operates "Hajdów" wastewater treatment plant, began to prepare for the plant's modernization in the early 1990s. The main problem which had to be solved was the plant's inability to treat sewage from biogenic substances, that is nitrogen and phosphorous, as was required by the new national and EU regulations. Hence, it was necessary to refurbish the already operating plant with the use of the best applicable technological solutions.

In 1992, together with Lublin Polytechnics, MPWiK in Lublin analyzed factors influencing treatment processes and examined new technology assumptions on a semi-technological scale. The studies confirmed that the new treatment technology would comply with environmental regulations which were soon to come into effect. They were also used for drawing up a "Programme concept for modernization of Lublin-Hajdów wastewater treatment plant in relation to wastewater management". After the concept was prepared, technical projects were launched. In order to maximally reduce investment layouts, the company adopted solutions which assumed utilization of the existing facilities and treatment lines of the plant.

Due to high costs of the planned investment, the company applied for outside financial aid. It received grants-in-aid from the budget of Lublin and the Danish Environmental Protection Agency (for automation of treatment processes) as well as a loan from the Voivodeship and the National Fund for Environmental Protection and Water Management.

Following the adoption in 1999 of the regulation of the Council of the European Union establishing ISPA programme, pre-accession EU funds became available. MPWiK, together with the Town Office in Lublin, immediately applied for EU funding under ISPA for subsequent modernization phases of the treatment plant in Hajdów. The town authorised MPWiK to fulfil in its name the function of beneficiary. The application envisaged utlization of ISPA funds for subsequent phases of modernization and was expanded to cover sludge management system in Hajdów. Until then, sludge was mechanically drained on a belt press and then stored in lagoons.

On 20 September 2002, the European Commission and the Republic of Poland signed a Financing Memorandum under which the Lublin project was awarded ISPA funding. The European Union contributed 9 690 000 euro for the project which represented 60% of the project's eligible costs estimated at 16 150 000 euro.

Then, pursuant to the Financing Memorandum and ISPA procedures, documentation for three international tenders was elaborated:

  • Contract Engineer - contract for technical supervision over executive contracts. Pursuant to the procedures set forth in the red FIDIC, Contract Engineer is a competent entity selected by the Employer, authorised to instruct the Contractor in the name of the Employer, which i.a. supervises execution of the project and prepares financial and progress reports.
  • Modernization of wastewater treatment plant (executed in accordance with the red FIDIC) - contract for further reduction of biogenic compounds (modernization of nitrification and denitrification blocks no. 3, 4 and 5, modernization of recirculated sludge pumping station, construction of intermediary sewage pumping station, refurbishment of primary settling tanks no. 3, 4 and 5 into anaerobic chambers, refurbishment of sludge thickener into a fermentation tank), modernization of treatment lines, construction of wire communication system and fibre-optic cables, modernization of secondary settling tanks);
  • Improvement of sludge management - contract for design and construction of a complete thermal sludge drying facility, including: sludge dehydration and drying complex, odour reduction system with bio-filter for the existing sludge dehydrator and the new thermal sludge dryer, ancillary facilities - buffer tanks for dehydrated sludge, dry sludge silos, infrastructure (internal roads, gas delivery pipelines, water hook-up, sewage lateral and power hook-up). The contract will be executed in accordance with the yellow FIDIC under which the contractor is responsible for the design and construction of installations and facilities.

The first two tenders were prepared and carried out in accordance with EU regulations.

On 1 July 2004, Dahlem Consortium (Germany) and Prochem SA (Poland) - the selected Contract Engineer - entered the wastewater treatment plant (the construction site).

On 30 August 2004, the bidder selected in the tender procedure for "Modernization of wastewater treatment plant" contract - Consortium Mostostal Siedlce, WTE Wassertechnik GmbH and WTE Wassertechnik (Poland) begun construction works. So far around 30% of construction works have been completed. Soon, we will launch the second modernization phase which will address the problem of sludge disposal. Since Poland is now an EU member, we have prepared tender documentation in accordance with the EU legislation. Currently, tendersare being examined and we hope that the contractor will launch works in early 2006.

Already experienced in obtaining EU funds, MPWiK in Lublin has recently applied for co-financing of extension and modernization of water supply and sewage disposal systems under the Cohesion Fund. We have also submitted an application to the European Regional Development Fund for co-financing of the "Deodorirization of wastewater treatment plant and more effective use of biomass" project. The project will lead to i.a. substantial reduction in odour emissions.

Danuta Bajer
Project Manager

Tomasz Jan Białopiotrowicz
Aid Funds Unit, MPWiK in Lublin