Scope of Work

The Works consist in the construction of:

• A. Water Works:
  • Water intake structure on the "Ain El Zarka" Spring including the installation of a 2km long, 32 inches diameter gravity steel treated pipeline for the supply of the Ain El Zarka" central pumping station with potable water.
  • The "Ain El Zarka" central pumping station (Q=800 l/s, H=230 m) consisting of 4 vertical submersible 3000 KVA mid tension double shrouded radial impeller pumps each of a Power of 770 KW.
  • The "Sahel Mashghara" main pumping station (Q=800 l/s, H=425m) consisting of 19 vertical multistage centrifugal pump set each of a Power of 315 KW.
  • The secondary "Baaloul" pump station (Q=240 l/s, H=260 m) equipped with 9 submersible multistage centrifugal pump set each of a Power of 320 KW.
  • Six (6) Concrete ground water reservoirs: (1 rectangular x 2500m3, 1 rectangular x 2000 m3, 3 circular x 2000 m3, 1 circular x 1000m3).
  • Concrete Water Tower: 1 circular x 500 m3.
  • Pipe Works: 265 km of main, secondary and distribution treated Steel / GRP / DI potable water pumping lines of diameters ranging between 32 inches and 4 inches.
  • Buildings: Pump station Administrative and technical buildings of 2000 m2.
  • Automated monitoring, control and operation system, PLC, for the whole network.
  • Water treatment and chlorination units of capacity 400 l/s.
  • Waste water treatment units for Administrative and technical buildings.
  • Surge tanks No.6.
  • Lightning protection system No.6.
• B. Electrical Works:
  • Access Roads needed for the works.
  • Connection of a 66 KV cable to the “Sahel Mashghara” Power Transforming Station.
  • Construction of a Power Transforming Station of 16 MVA.
  • Administrative and Technical buildings (Operation and Control).
  • Power Transformers of 8 MVA, 5MVA, 1000 KVA, 500 KVA and 250 KVA.
  • High Tension Power towers (33m high) connecting the “Awali-Markaba” Power Transmission Cable Line to the “Sahel Mashghara” Transforming Station.
  • Power Poles and Cables of 24 KV to supply “Ain El Zarka” Central Pumping Station.
  • Power Supply Station in “Ain El Zarka” to feed the Medium Tention pumps.
  • Power Transforming Station in “Baaloul” to supply with current the existing pumping station; and connecting it to the main Power Transmission Cable of “Jeb Jennin-Al Karaoun”.
  • Power Cables of various sizes for the different stations.
  • All Electrical Accessories such as Switches, Circuit Breakers, Contractors, Insulators, and Pannel Boards.
  • Electric Power Generators of 1500 KVA.
  • Provision of the required and complete Technical Team.
  • Earthing system complete for each station.
  • Water pipe works for some villages within the project region.
  • Water pipes connections to main reservoires.
  • Asphalting Roads within the region of works (200,000 m2).

Notification Order:  No. 7517 02/09/2004