Brazilian Utility Sabesp Deploys Bentley’s WaterCAD, Reduces Water Loss in Sector of Its East Business Unit by 57 Percent

Saves US$170,000 per Month

SÃO PAULO — (BUSINESS WIRE) — August 16, 2011 — Bentley Systems, Incorporated, the leading company dedicated to providing comprehensive software solutions for sustaining infrastructure, today announced that the Brazilian utility Companhia de Saneamento Básico do Estado de São Paulo (Sabesp – East Business Unit) has decreased water losses in its 272-kilometer-long Passagem Funda distribution system (Cidade Tiradentes & Santa Etelvina Sectors) by 57 percent through its use of Bentley’s WaterCAD product for water distribution modeling and management. This helped Sabesp reduce its monthly production of potable water by 440,000 cubic meters – saving the utility US$170,000 per month. Moreover, changes in the water system eliminated the need for two booster stations, reducing the utility’s energy consumption by about 8,000 kilowatt hours per month.

Located on the east side of the São Paulo Metropolitan Area, the Passagem Funda system (Cidade Tiradentes & Santa Etelvina Sectors) distributes water to 240,000 residents. High pressures, with topographic differences of up to 100 meters, and illegal service connections had been contributing to water losses of 880 liters per service connection per day. Sabesp’s use of Bentley’s innovative software helped to decrease these losses to 376 liters per service connection per day.

During the planning of this water system optimization project, Sabesp used WaterCAD to:

  • identify high pressure areas in the system,
  • simulate the impact of the implementation of pressure reducing valves in neighboring areas,
  • analyze segments affected by ongoing construction,
  • set optimal operational parameters,
  • identify areas for water loss prospecting, with a view to detecting nonvisible underground leaks.

Nivaldo Rodrigues, Sabesp East Business Unit Department Manager, said, “The enormous success of this project led to our decision to deploy these robust software applications throughout our East Business Unit. By next year, we expect to have a hydraulic model for 100 percent of the water system, encompassing the entire 6,000-kilometer distribution network. With the use of Bentley’s software tools, we were able to optimize our systems and achieve great results.”

All told, Sabesp is responsible for supplying potable water to 27.2 million people and sanitation to 19.5 million people in the São Paulo Metropolitan Area. Today, the utility’s engineering, planning, and operations teams in the East Business Unit are using not only WaterCAD, but also Bentley’s WaterGEMS product for distribution modeling and management, HAMMER product for transient analysis, and SewerCAD product for sanitary sewer analysis and design.

Said Rodrigues, “Overall, Bentley’s water software applications have helped the Sabesp East Business Unit reduce both energy costs and water loss in the metropolitan region of São Paulo, saving energy and conserving water, thus preserving the local natural water resources.”

Added Bentley Director Salvio Lerner, “By taking into account the topographic and other challenges associated with its water distribution network, and working smarter empowered by Bentley’s innovative software, Sabesp is able to make well-informed decisions that best manage available resources and technology. The benefits of this are many, all of which lead to improved quality of life for the community Sabesp serves.”

For additional information about Bentley’s WaterCAD product for water distribution modeling and management, visit For additional information about Bentley’s complete line of water and wastewater network analysis and design products, visit

About Sabesp

Sabesp is a mixed-capital company that provides water and sewage services to the 364 municipalities in the state of São Paulo. It is considered one of the largest water and sewage service providers worldwide, serving 27.2 million people. In addition to water and sewage services in the state of São Paulo, Sabesp is licensed to operate in other states and countries to provide drainage, urban cleaning, solid waste management, and energy services. Sabesp also expanded its environmental solutions platform. Thus, large clients can benefit from its knowledge and technology for the rational use of water, proper disposal of sewage, and environmental conservation. For additional information about Sabesp, visit

About Bentley Systems, Incorporated

Bentley is the global leader dedicated to providing architects, engineers, geospatial professionals, constructors, and owner-operators with comprehensive software solutions for sustaining infrastructure. Bentley’s mission is to empower its users to leverage information modeling through integrated projects for high-performing intelligent infrastructure. Its solutions encompass the MicroStation platform for infrastructure design and modeling, the ProjectWise platform for infrastructure project team collaboration and work sharing, and the AssetWise platform for infrastructure asset operations – all supporting a broad portfolio of interoperable applications and complemented by worldwide professional services. Founded in 1984, Bentley has grown to nearly 3,000 colleagues in more than 45 countries and $500 million in annual revenues. Since 2001, the company has invested more than $1 billion in research, development, and acquisitions.

Additional information about Bentley is available at and in Bentley’s annual report. For Bentley news as it happens, subscribe to an RSS feed of Bentley press releases and news alerts. To view a searchable collection of innovative infrastructure projects from the annual Be Inspired Awards, access Bentley’s Year in Infrastructure publications. To access a professional networking site that enables members of the infrastructure community to connect, communicate, and learn from each other, visit Be Communities .

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