|
|
 |
| Examples of water supply projects |
|
Expansion of Kaunas’ supply networks, Lithuania
For Kaunas with 380,000 inhabitants, Fichtner planned expansion and partial rehabilitation of the water supply mains and sewer system. The task covered tie-in into existing municipal systems and planning of drinking water and sewage pumping stations, distribution networks and sewer systems in four city planning districts. Preparation of tender documents and contract award followed the EU’s rules set out in its Instrument for Structural Policies for Pre-Accession (ISPA), and complied with FIDIC contractual conditions.
|
|
|
|
Optimizing drinking water quality in the northwest of the Russian Federation
In the administrative district of Arkhangelsk Oblast in northwest Russia, it is planned to upgrade the drinking water supply. The Oblast covers an area of 587,400 km² and is sparsely populated with 1.26 million inhabitants. The project is located at Arkhangelsk, where 450,000 people live, situated at the mouth of the River Dvina where it flows into the White Sea. Fichtner formulated pilot projects for upgrading drinking water quality. Additionally, the institutional and tariff aspects of water supply were described and general possibilities for project financing by international credit granters were investigated. A further task is to check the reliability of the various laboratories that are responsible for quality control of the drinking water in the Oblast.
Rehabilitation and expansion planning of Satu Mare’s drinking water and sanitation systems, Romania
In preparation for Romania’s EU accession, drinking water and sanitation facilities in the town of Satu Mare were refurbished. Fichtner drew up four construction tenders for the following components: a) Rehabilitation of 7.3 km wellfield pipelines (DN 600 and DN 800), with drilling and equipping of 15 drinking water wells; b) Rehabilitation with capacity reduction of the drinking water purification plant; c) Rehabilitation of sewage treatment plant; and d) Rehabilitation of 14 km of sewers and seven pumping stations. Consultancy services included various measures to ensure efficient facility operation as well as procurement of equipment and cleaning vehicles.
|
|
Review of technical performance of the private water supply system operator, Ghana
In connection with privatization of municipal water supplies in Ghana, a private operator was awarded a management contract to administer and operate the eighty water supply systems, distributed throughout the country, of the Ghana Water Company Ltd., with a total capacity of over 785,000 m³/d and almost 450,000 premises connections. With the object of reviewing the performance of the private operator during the five-year period of the contract, Fichtner was entrusted with conducting the technical audit against the agreed performance standards. These cover drinking water quality, water pressure and flow rates, cutting water losses and compliance with the stipulated average daily production of drinking water.
Renovation of Mbuji-Mayi’s drinking water system, Democratic Republic of Congo
Mbuji-Mayi’s drinking water system suffered from major leakage losses and also the available water flows fell far short of the increased demand. After a survey of existing conditions, Fichtner redesigned the water supply system for the population of 2.75 million. This covered all measures from source enclosure and cross-country water transfer to storage and distribution in the primary network. To safeguard power supplies for all the water supply system’s electrical consumers, Fichtner engineered a 6.6 MW hydropower plant, prepared a feasibility study for this, drew up the tender documents and provided site supervision during its construction.
Upgrading water supply and sanitation in Mbeya, Tanzania
In the regional capital of Mbeya in the southern highlands of Tanzania, water supply and sanitation facilities are to be upgraded. With the aim of cutting drinking water losses and extending the distribution system, the EU and KfW are financing, under the communal water supply project “Mbeya Phase II”, rehabilitation and new construction of installations and systems. After devising the required measures within the framework of a feasibility study, Fichtner drew up the tender documents, evaluated proposals and assisted during contract award. Furthermore, Fichtner is providing site supervision and project management as well as working out supporting measures for institutional strengthening and sustainable project implementation.
|
|
Rehabilitation and expansion of Goreangab Water Reclamation Plant, Namibia
To secure drinking water supply to Windhoek, Goreangab Water Reclamation Plant at Gammans Dam was renovated and expanded. In parallel to the existing treatment plant, a new purification train of 25,000 m³/d capacity was erected for treating surface water from the reservoir. The special feature of this was the possibility of directly processing effluent from Gammans Wastewater Treatment Plant to water of drinking quality, so providing a water supply even during drought. This makes this facility the only direct wastewater reclamation plant for obtaining drinking water worldwide. Apart from conventional filtration and chlorination technologies, membrane, activated carbon, ozone and flotation processes found application. Fichtner was lead company of an international joint venture, drew up all planning documents and supervised tendering, construction and commissioning of the plant.
Consultancy services for construction of an RO desalination plant, Mauritius
Under contract to the Ministry of Local Development and Waste Treatment, Fichtner drew up tender documents for constructing a seawater desalination plant. This applied reverse osmosis (RO) technology, and comprised two trains, each with a capacity of 2000 m³ drinking water per day. For the plant to be erected on Rodrigues Island, Fichtner also aided the Ministry in site investigations and bid evaluation and submitted a contract award recommendation.
top
|
|
Infrastructure measures for regional water supply and wastewater disposal, Armenia
As political and economic conditions evolve, in Armenia, too, a former USSR country, a start has been made on restructuring the water sector and its decentralization. With funding support from Germany, Armavir, Metsamor and surrounding villages have set up a joint local authorities association for water supply and sanitation. The objective was to impart impetus to the required infrastructural measures and put in place the basic technical structure for properly regulated water supply and sanitation. Water for the population of 40,000 in the supply territory is drawn from decentralized wells. Fichtner rendered planning services, drew up the tender documents and assisted in the project up to acceptance of construction.
Program for organization and operation of water supplies, Kyrgyzstan
With the adoption of a new sectoral water and sanitation policy, the institutional and technical framework for communal level services was put in place. For the districts, or oblasts, of Talas, Issyk-Kul and Naryn, comprising 13 towns and 402 small communities totaling 900,000 inhabitants, a program for organization and operation of water supplies was devised. Preparations for 15 pilot projects were advanced to the stage where they could be immediately implemented and financed. For the new joint local authorities water associations, the technical and administrative manual was compiled, enabling planning and realization of further projects.
|
|
Reform strategy for Punjab’s municipal drinking water supply and sanitation, Pakistan
To upgrade drinking water supply in the major cities of the Province of Punjab, the Pakistani Government has set up a reform program for guidelines and institutions in this sector. Under this program, Fichtner investigated options for upgrading the effectiveness of drinking water supply and sanitation services by entering into contractual agreements and public-private partnerships as well as providing financial incentives. On the basis of the assessment of these options, rules for fixing utilization costs were prepared, and measures for monitoring the quality of water supply and sanitation services defined. These standards make an important contribution to improving the quality of life in Pakistan’s most highly populated province.
top
|
|
Engineering and construction of a seawater desalination plant with overland water pipeline in Fujairah, United Arab Emirates
In Fujairah, a hybrid seawater desalination plant for meeting drinking water demand was erected, designed for a total capacity of 455,000 m³/day drinking water, with 63% produced thermally and 37% by reverse osmosis, from seawater with a salt concentration of ~40g/l. The drinking water is transported via a 185 km overland pipeline of diameter 1600 mm to Al-Ain (80 MIGD) and Al-Dhaid (20 MIGD). The main pumping station has a delivery of 18,750 m³/h with 12,000 kW power uptake. Following the power and water demand study, Fichtner prepared the planning documents, drew up the specifications and tender documents, assisted contract award, and supervised construction and commissioning of the plant components. Fichtner has since handled extension of the plant by a further 100 MIGD.
Al Khobar II and III dual-purpose power and desalination plants, Saudi Arabia
Under contract to the Saudi Saline Water Conversion Corporation (SWCC), Fichtner has assisted over 30 years in construction and expansion of Al Khobar II and III dual-purpose power and desalination plants. As early as in the 70s, Fichtner was entrusted with all planning steps, from basic engineering to preliminary takeover by the client. Alongside the seawater desalination plant, Al Khobar II comprises five power generating units with a total rating of 725 MWe and also a housing compound for 2500 inhabitants. The seawater desalination plant of Al Khobar II comprises ten multi-stage flash (MSF) trains with a total production of 225,000 m³ drinking water per day. For distributing this drinking water, Fichtner planned a water pipeline network with over 250 km of main and branch pipelines. Even while Al Khobar II was still being constructed, Fichtner was commissioned to plan its extension – Al Khobar III. Like Al Khobar II, this is a steam turbine power plant fired with natural gas and residual oil with seawater desalination plant, for a total power plant rating of 500 MWe and desalination capacity, likewise through MSF plants, of 273,000 m³/day drinking water. During planning of the extension, Fichtner also specified an RO plant with a planned desalination capacity of 91,000 m³/day, but this was not constructed.
top
|
|
Pahang-Selangor raw water transfer project, Malaysia
To meet the rising demand for water in Kuala Lumpur and in the State of Selangor, the intention of this project is to allow transfer of 1.9 million cubic meters of raw water per day from the State of Pahang. The components of the Pahang-Selangor Raw Water Transfer Project are erection of a 30 m high dam at the Kelau River, a water intake structure with pumping station at the Semantan River, an 11.8 km long pipeline as well as a water transfer tunnel that, with a length of 44.6 km, is among the longest tunnel structures in Asia. To a major part, the project is financed by a soft loan from the Japan Bank for International Cooperation (JBIC) and is to be completed in 2013. As independent reviewer and consultant, Fichtner is supporting the Ministry of Energy, Water and Communications in Malaysia in implementing this project.
Planning a seawater desalination plant, Singapore
Fichtner was commissioned over several stages by the Public Utilities Board, Singapore, with planning a dual-purpose power and desalination plant for supplying Singapore with drinking water. The first stage comprised a feasibility study for erecting the plant with a capacity of 90,000 m³ drinking water per day and an electrical rating of 200 to 300 MW. Within the framework of this investigation, a range of desalination technologies were examined with regard to performance and operating economics. Also investigated were various siting options and BOO/BOT schemes, and the anticipated production costs were determined. Following the decision to adopt the Build-Own-Operate (BOO) model, Fichtner assisted the Board during tendering, contract formulation and contract award. During the construction phase, Fichtner was entrusted with project management and site supervision up to commissioning.
Seawater desalination at the Gold Coast, Australia
South East Queensland is one of the driest regions of Australia. As part of an A$9bn investment by the Queensland Government and the Gold Coast City Council to improve the drinking water supply, the first large seawater desalination plant on Australia’s East Coast is being erected in Tugun on the Gold Coast on a former landfill site. This plant with reverse osmosis technology has a capacity of 125,000 m3/d. Fichtner was awarded a contract for reviewing the reference design, checking drawings, site supervision and coordination of commissioning.
|
|
Study on seawater desalination for Sydney, Australia
Under contract to the Australian company GHD Services Pty. Ltd., Fichtner prepared a plan study on the possibilities and potentials for supplying Sydney with drinking water produced from desalinated seawater. Also investigated under this study were available technologies and development options for a capacity of 100,000 to 500,000 m³/day for supplying the city, and what environmental impacts result for the Sydney Region from application of seawater desalination, examined in a separate environmental impact assessment.
Investigation of candidate technologies and BOO/BOT models for seawater desalination in Perth, Australia
Under contract to the Water Corporation of Perth, Fichtner prepared a feasibility study for supplying Perth with desalinated drinking water. This comprehensive investigation included a comparison of various desalination technologies – multi-stage flash (MSF), multiple effect distillation (MED) and reverse osmosis (RO) – that were considered under the aspects of performance, drinking water quality, potential sites, environmental impacts and operating economy for the local conditions and an estimated capacity of 100,000 m³/day. Within this framework, additionally a preliminary plant layout was developed and tie-in of the plant into the existing drinking water pipeline network investigated. Then Fichtner recommended the further procedure. Following selection of the technology and the site, the examinations were repeated in greater depth, and anticipated production costs and water tariffs of the selected RO plant calculated. Furthermore, Fichtner supported the Water Corporation in preparing the environmental impact assessment and project development. For this, the possibilities of private or public operation of the plant were compared. Fichtner also drew up the tender documents and advised the Water Corporation on contract award and selection of plant suppliers as well as contract formulation. Fichtner has since been taken on as Owner’s Engineer.
You can find other examples of seawater desalination projects under Dual-purpose desalination and power plants.
top
|
|
Upgrading San Salvador’s drinking water supply system, El Salvador
With the objective of upgrading drinking water supply in the northern sector of San Salvador, Beller Consult was awarded a contract by Administración Nacional de Acueductos y Alcantarillados (ANDA) for planning and construction management of various measures. These included the required expansion of pumping stations and reinforcement of the main transportation pipelines between water extraction and the water tanks providing the in-feed points into the distribution network, as well as reinforcing the water tanks themselves. Rehabilitation and expansion of the drinking water system includes renewal of hydraulic and electrical installations at twelve pumping stations, construction of six new main transportation pipelines with distribution network, rehabilitation of two drinking water purification plants, rehabilitation and construction of new water tanks of reinforced concrete as well as sinking of deep wells. Additionally, a section of the existing water supply pipeline, transporting 40% of the capital’s drinking water, was re-laid.
Monitoring of water/sanitation management contracts, Nicaragua
The contract for management of the water supply and sanitation companies AMAT in Mantagalpa and EMAJIN in Jinotega was awarded to a private company in September 2004. In order to obtain an assessment of the degree of compliance with the contractual obligations such as improvement in the operation of the service infrastructure and of the system, improvement in administration and organization, improvement in the financial results and transfer of know-how, Fichtner was contracted to perform an independent and cyclical review of the results of these management activities over a period of five years. The service territory of the two water supply and sanitation companies comprises 13 local authorities with around 212,000 inhabitants and some 33,000 service connections.
Planning and construction of the Lindau - Wittenberg Overland Pipeline, Germany
To ensure drinking water supply in Wittenberg, a 42 km pipeline was laid to the town from Lindau Waterworks. Other project components were a pumping station of 2 x 500 m³/h delivery as well as storage and equalization tanks of 4000 m³ capacity. Pipeline sections were of steel and cast iron, with diameters of 400 and 500 mm. WTL Wassertechnik of the Fichtner Group handled the project from start to finish, drew up planning documents, specifications and tender documents, assisted during contract award, and supervised construction and commissioning of components.
Study on restructuring of the regional water supply, including tariff study and supply concept in eastern Thuringia, Germany
For the long-distance water supply in the German state of Thuringia, Fichtner rendered consultancy services for improving the economic efficiency of the regional water supply. In the first phase of the project, Fichtner analyzed three companies responsible for the regional water supply, demonstrated the potential for optimization and drew up proposals for reorganization and amalgamation. During the project, Fichtner also investigated whether the previous price of untreated water from the reservoirs was reasonable and developed a forecast of the future movement in prices. In the second phase of the project, following the amalgamation of two of the three partners investigated, Fichtner devised a technical-economic supply concept for the new company which is intended to serve as a business plan for the next five years and to form the commercial basis for long-distance water supply in northern and eastern Thuringia.
top
|
|
|