Servicios de Abastecimiento y Saneamiento - La Tribuna del Agua

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SERVICIOS DE ABASTECIMIENTO Y SANEAMIENTO Best Practices introduced from years 2002- 2008 During the period 2002-2008, a strong expansion and coverage of the service has been experienced in Pudong Area, supporting its urban development Trough the joint work of both partners, numerous 2002 2007 Increase Service Area 319 480 +50% (km2) Network Length (km) 1975 3300 +67% No. of Water Meters 573 000 970 000 +69% Population served (Million inhab.) 1.8 Figure-01 2.85 +58% improvements have been achieved since 2002, introducing the best professional practices in China’s water sector. Best Practices to guarantee water quality Shanghai Pudong Veolia Water Corporation has started introducing advanced technology, management methods and overall water quality improvement to achieve the new national standard for water quality adopted by China in 2007. The new national drinking water standard extended the number of parameters controlled from 36 to 106. Replacing the 1985 enactment, the new regulation brings water quality control in China closer to European and US regulations. Since 2002, the water distributed by Shanghai Pudong Veolia Water Corporation has been in perfect compliance with the 1985 water quality regulation. To meet the new 2007 regulation, the Joint Venture has identified main areas for improvement, including that of treatment technologies in water plants. Construction of ozone and activated carbon filtration units has started in the main water plant and is planned for all water plants in the medium and longterm. 270 COMUNICADOS The establishment of a new Water Quality Center has continually reinforced water quality management and control. As one of Veolia Water China’s largest laboratories, the new laboratory is now capable of testing more than 110 drinking water parameters. Shanghai Pudong Veolia Water Corporation has made substantial investments into equipment and employees to upgrade the water treatment process. • Latest equipment and software, being able to analyze more than 110 parameters for drinking water. • A testing program with a minimum of 35 network points checked weekly; raw and treated water sampled and tested on daily basis. 5,000 samples & 80,000 analyses performed per year • Average turbidity reduced from 0.20 to 0.14 NTU in the water plants outlet. From 0.41 to 0.32 NTU in the network. • Manganese compliance improved from 61% to 91%. • Sharp reduction of water quality complains to less than 0.5% of the total. Best Practices in water production New developments at the Linjiang Water Treatment Plant represent the best of the Joint Venture’s forward-looking approach to water technology and treatment. In July 2006, the Linjiang Water Treatment Plant extended its water supply capacity of 400,000 m3 per day to 600,000 m3 with a plant extension equipped to meet the tightened regulations and growing demand in the Pudong New Area while achieving a significant reduction of land use, an important condition in the high-developing urban area of Shanghai. The use of new advanced treatment methods has produced major space saving benefits: • ACTIFLO micro-sand accelerated sedimentation tanks – first time used in China • High Speed Filters licensed by Veolia Water and used internationally • Highly space-efficient units: They use only one-third of the space required compared to conventional treatment techniques. Only 3,000
SERVICIOS DE ABASTECIMIENTO Y SANEAMIENTO m2 of land space, compared to 15,000 m2 required using conventional facilities to supply 200,000 m3 of water per day. The second phase for the Linjiang water treatment plant extension project is now under construction. When completed, it aims to achieve water quality in compliance with the new national regulation, through advanced treatment: • Sludge treatment involving sludge water collection, concentration and dewatering • Deep treatment including ozonation, active carbon and UV technology As economic growth continues at a phenomenal pace in Shanghai, water demand is expected to grow six percent per year over the next 5-10 years. In order to ensure stable and reliable water supply to an increasing population, apart from the extension of Linjiang Water Treatment Plant, a new water treatment plant, Jinhai, in the center of Pudong District, scheduled to commence construction in 2007, will provide an additional 400,000 m3 of water daily to the district before 2010. Figure-02 271 COMUNICADOS Best Practices for Network Management Development of the Pudong’s pipeline network has been rapid over the last few years from 1750 km in 2002 to 3300 km in 2008. Most of the urban areas in Pudong district are now served by Shanghai Pudong Veolia Water Corporation. A further 500,000 people will be connected as the company is expected to expand to cover all of Pudong District by 2010, following the urban planning directives from Shanghai Municipality. Non-revenue water, which is water produced and pumped into network but not invoiced to customers, is caused mainly by leakage, inaccurate metering or unauthorized usage. Severe water leakage due to aged and improperly installed pipes have caused problems and high costs to the water industry in many Chinese cities. Although the network is relatively young in the Pudong district, leakage still contributes to non-revenue water, in addition to metering inaccuracies. To optimize the network, Shanghai Pudong Veolia Water Corporation has introduced new metering technology as well as state-of-the-art technologies and management tools to maintain and repair the network. NRW level has been reduce to 27% in 2007 from more than 35% in
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SERVICIOS DE ABASTECIMIENTO Y SANEA
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Semana Temática 5 Marco regulador
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Thematic Week 5 Regulatory and inst
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WATER SUPPLY AND SANITATION SERVICE
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Semaine Thématique 5 Cadre régula
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LES SERVICES D’APPROVISIONNEMENT
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RESÚMENES Y COMUNICACIONES ABSTRAC
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Servicios de Abastecimiento y Saneamiento - La Tribuna del Agua

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