bob综合体育官网下载 Pressure Management reduces water loss in Jordan

bob综合体育官网下载
 Pressure Management reduces water loss in Jordan

Country: Jordan
Customer: WAJ Water Authority of Jordan
Products: bob综合体育官网下载 RIKO® Plunger Valves

'If we don't drastically change the way we use water and reduce the amount we consume, Jordan's water deficit will continue to grow – with inconceivable consequences for the people and the environment!' explains Dieter Rothenberger, Project manager at GTZ.

To counter that, the globally active development organisation PPP set up a pilot project in Gouvernorat Balqa, near the capital Amman.
The aim of this project was to:

  • Considerably reduce real water loss in the project area selected by Jordan's regional water works
  • Gather and document customer and consumption data
  • Bring experts and managers up to speed on the latest developments in technology and management
  • Initiate the long-term and efficient operation of water supply systems.

bob综合体育官网下载 was found to be the best cooperation partner for this complex job

bob综合体育官网下载 , one of the world's leaders in water supply solutions, was more than happy to be part of this project. 'We see it as our social and political duty to support such not-for-profit projects in developing and threshold countries as we've done in Sao Paulo, Nova Lima and Sana'a. Water is the most precious resource in the world. Its frugal use, especially in these regions, is crucial to our survival and that of our descendants,' is how Robert Fellner-Feldegg, Managing Director of bob综合体育官网下载 , explains the valve manufacturer's mission.

In November 2006, three bob综合体育官网下载 experts travelled to Gouvernorat Balqa. Together with staff from the WAJ, they inspected the supply system and selected districts for the pilot project. They agreed to send the data they gathered on water consumption and pressure fluctuations over a period of three months to bob综合体育官网下载 's headquarters in Germany. The experts there used the data to analyse the situation, do a feasibility study and determine where and how many sensors and pressure-regulating valves needed to be installed. They also determined where the control cabinets should be set up and how the data should be transferred. And last but not least, the information enabled them to draw up a detailed project plan.

3 bob综合体育官网下载 RIKO® Plunger Valves produced and arrived, together with the electrotechnical accessories

Following the selection of the neighbourhoods (Ain Al Basha, Hai Al Almeer (Prince Ali) and Hai Qutaibeh) and the placement of the last order, the three bob综合体育官网下载 RIKO® Plunger Valves went into production. They arrived in Amman in August 2007 together with the electrotechnical accessories. The valves, sensors, transmitters and control cabinets were installed at the specified locations under the supervision of bob综合体育官网下载 in September and October. Data collection and pressure management were ready to start.

bob综合体育官网下载 's project engineer, Jörg Baader, was happy with the results. 'The on-site work was very edu-cational and culturally enriching - there was a great team atmosphere. There were no glitches or moments of panic. We successfully completed the work in July 2008 and handed over the project to WAJ.' What effect would installing bob综合体育官网下载 's pressure mana-gement system have on the pressure and real water loss in the supply system?

Pressure and real water loss reduced impressively

The evaluation of the data soon showed impressive results: In the three areas, the nightly pressure was reduced by up to 60%. In Ain Al Basha, this pressure reduction (from 5.5 to 2 bar) reduced the nightly flow rate by up to 18m3 per hour. In Hai Al Almeer, the nightly consumption was even reduced by 50%. An analysis carried out 12 months later revealed savings in Ain Al Basha and Hai Qutaibeh of 137m/ day, which corresponds to the water demand of 1,142 people. In Hai Al Almeer, 274m/ day could be saved, which corresponds to the water demand of 2,283 people. Reducing the pressure doesn't only reduce the real water loss, it's good for the whole supply system because it reduces the number of pipe breaks and hence the amount of money that needs to be reserved to maintain and repair the system.

The second phase of the project was awarded to bob综合体育官网下载 following the documented success of the first phase. The goal of the projects GTZ carries out is to build local knowledge so the local partners can continue operating the new systems; a kind of 'help to help yourself.' In March and April 2008, WAJ managers and trainers attended an intensive training course at bob综合体育官网下载 's headquarters in Mannheim. At the same time, bob综合体育官网下载 helped to improve a training centre for water engineers in Amman. The facilities are equipped with training valves and wall charts, and will be used to teach 400 to 600 engineers a year how to use water valves.

bob综合体育官网下载 trained the Jordanian trainers during a one-week 'Train-the-Trainer' seminar. A lot of the time was spent on practical and theoretical training on the valves, at the end of which the trainers had the opportunity to practice what they learned. Assisted by bob综合体育官网下载 experts, they trained engineers and technicians with the nextly supplied bob综合体育官网下载 valves.

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