Onep

Onep

Application : Water supply

In order to improve the management of the AGADIR water supply network, the South Regional Department of the Morocco National Office of Drinking Water (ONEP) has decided to implement a remote monitoring and control system in the LANZAR well fiel area.
The remotely controlled and monitored network includes 13 boreholes equipped with 1 or 2 pumps (LANZAR well field), 2 pumping stations SB1 and SB2, 1 well equipped with 2 pumps at AIT-MELLOUL and 1 borehole at INZEGGUEN.

Aims of remote monitoring and control

Beyond the permanent operating control of the different network structures, the aims of the system are as follows:

To automate remote borehole operation (remote controls).
To achieve power savings by optimizing pumping times according to electrical power price bands.

To reduce network operating costs, particularly by saving on travel costs between the different concerned sites.
To facilitate equipment maintenance thanks to immediate warning in the event of failure or malfunction (remote alarming) and to equipment operation monitoring (recording of the number of pump start-ups, operating durations, etc.).

The remote monitoring and control system

The remote monitoring and control system that has been implemented is based on SOFREL S50 remote terminal units installed at various controlled sites (boreholes, wells, pumping stations, etc.) and on SOFREL PCWin supervisory master stations for network data warehousing.
Remote Terminal Units SOFREL S50 perform the following tasks: acquisition of data to monitor (pump start-ups / shutdowns, number of start-ups, operating times, faults, level, pressure and flow rate measurements, pumped volume metering, access control, etc.), control of hydraulic equipment and inter-site process controls.

The remote monitoring and control supervisory master station SOFREL PCWin receives the data from the different S50 remote terminal units and queries them periodically. Data received are archived in the PCWin database, to be restored in the form of graphical mimic diagrams, value tables and curves. The data generated by remote monitoring and control are exported to Excel format for use in other Windows-based applications.
The supervisory master station is also in charge of centralized alarm reporting with transmission of voice synthesis or SMS messages to the mobile phones of the staff on stand-by duty.

Results

The remote monitoring and control system implemented by the AGADIR Regional Department constitutes the first system, within the ONEP, that uses GSM transmissions between remote terminal units and supervisory master stations. This transmission medium has the advantage of not requiring radio infrastructures, thus considerably reducing installation costs. The use of S50 remote terminal units with high local storage capacity limits the number of GSM communications, while still being able to trigger immediate calls if necessary. The inter-site communication functions between S50 remote terminal units optimizes pumping between boreholes and pumping stations. Pumping management according to electrical pricing bands reduces power consumption costs. Finally, the collection and retrieval of all network data at the Agadir RD PC level optimizes operation of the network as a whole and reduces maintenance staff travel.

Pour tout renseignement complémentaire ou projets sur le Maroc, vous pouvez contacter notre distributeur HP Maroc :

Mr Said Bouchiha
23/24, rue Al Mouatamid Ibn Abbad
Km 7, R.P. 1 - Aîn Sebâa
20250 Casablanca.
Tel.: 022 35 82 82
Fax: 022 35 82 91
E-mail : hp.maroc@hp-maroc.co.ma

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