Improving the Water Supply Network for the City Of

Home , Water supply network

© DHI A flexiblesystem in planning and reconstructing a sustainable waternetwork CITY OF SZEGED IMPROVING THE WATER SUPPLY NETWORK FOR THE DHICASE STORY and need to need be as replaced and as possible.soon Due wear numberexample. to large andof tear,a are them critical now a state in and failures leakages ofto thanpipessteel made polyvinylor for (PVC), chloride pipes the were 1960s during and 1970s mainly fromasbestosThese cement. made the challengereconstructionThe for main areplanning that the pipes constructed SZEGED’S NEED FOR IMMEDIATEPIPE REPLACEMENT city. the system within watersupply improveits Utility Szeged Water help to plan reconstruction network a with designing weretasked problems. We replacement leakage of need dire pipes arein avoid to older of network large A pipes within theits waternetwork. of age the in material and lies also zones city main the of difference the outside, look from the thebuildings how in disparity fromobvious the Apart neighbourhoods. newer by surrounded downtown over 280km spreads and inhabitants in south the Szeged,located of The city Materialof pipes in Szeged’s supplywater network. ©DHI — which cover a wide network a cover which the downtown in areas

². The city has a densely populated populated adensely has The city

- east of Hungary, has around 160,000 around160,000 Hungary, has of east

— are more more are susceptible

SURFACE& GROUNDWATE

SUMMARY ImprovingMunicipal Association Szeged CLIENT Szeged LOCATIONCOUNTRY /    VALUE reconstructionplanning. sustainablenetwork evaluation and CUSTOMISED MIKE SOLUTION    CHALLENGE

the MIKEthe CUSTOMISED solution financialimpact reconstructionscenarios and assess reconstructingits water supply network onvarying multi under20% limits performancewhile working within financial Capabilityto combine all available inputinto Abilityto create network multiple Helpingthe cityimprove the process of Analysing waterthe supply network based Bringingnon Improvingthe city’s water supply network

R,URBAN NDUSTRY WATER, - -

Algyő, DrinkingAlgyő, QualityWater Algyő, HungaryAlgyő,

- revenuewater (NRW) level to

- criteria input — a completea tool for

DHI CASE STORY

In order to avoid serious leakages which could impede the FLEXIBLE MULTI-CRITERIA NETWORK ANALYSIS entire water supply system, our client had to make immediate The main strengths of the network reconstruction tool are the plans to improve the performance of their water supply availability of a multi-criteria analysis and an appropriate use network. We facilitated a network reconstruction plan while of the available technical parameters such as the age, working within financial limits of the city. The main aim of this material, failure rate and water loss of the pipes. The flexibility project is to define the most optimal reconstruction strategy of the software enables our client to change the criteria focusing on critical pipe segments, eventually bringing the definition at any moment to create a new planning scenario. NRW level to below 20%. Aiming to create a customer- They are also able to add new criteria and parameters when oriented solution, we are helping Szeged achieve the best new information becomes available (measurement campaigns economical results in the shortest time possible. and hydraulic model results, for example).

An important highlight of the ongoing reconstruction planning MIKE CUSTOMISED- A COMPLETE TOOL FOR is that our client has the option to coordinate the network SUSTAINABLE NETWORK EVALUATION AND reconstruction plan with other investments in the area while RECONSTRUCTION PLANNING working within the needs of network development. They also The network reconstruction tool implemented in MIKE have the flexibility to manually mark the pipe segments that CUSTOMISED collects information about Szeged’s current are to be reconstructed without taking into account the network performance, in terms of pipe material and age, simulation results. In the first year of simulation, Szeged went failure rates, leakage and other pipe properties. With this ahead to use this flexible method even when the investment information, the tool can identify the most critical pipelines to has been already prepared independently based on simulation results. The reconstruction types and costs are defined in reconstruct with highest priority. terms of material and pipe diameter, but many other conditions can be taken in account, including the setting of We used MIKE CUSTOMISED to assess the NRW individual cost for each pipe. The cost is then input into the components, highlight key factors influencing the NRW level software, and this figure is the main parameter used in the and evaluate the data inputs to establish the most optimal calculation of the necessary investments per year. reconstruction planning method. This method was then With MIKE CUSTOMISED, the city of Szeged enjoys an implemented in the reconstruction planning tool in the same easier process of reconstructing its water supply network. The MIKE CUSTOMISED platform. The reconstruction strategy ability to create multiple network reconstruction scenarios can be tested directly in the tool, taking into account many while assessing financial impact, and the flexibility of our technical and financial outputs. Throughout the solution greatly helped our client in planning and implementation process, we provided full support and training reconstructing a sustainable water network. to our client in order for them to manage the network reconstruction tool independently.

Contact: [email protected]