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Location: Saudi Arabia

Client: Ministry of Interior & Municipal Affairs 

Consultants: Associated Consulting Engineers (ACE)


Project Description


Two major schemes directed towards providing the cities of Al-Khobar and Dammam, an area with around 300,000 inhabitants, with potable water supply, sewerage and sewage disposal. The inadequate and objectionable conditions regarding transport of water by tankers and disposal of sewage by septic tanks or surface drainage were to be replaced by modern and hygienic systems.

The main elements of the water supply and fire fighting schemes include:

  • Tapping the underground aquifers for water extraction
  • Treatment and chlorination of water
  • Distribution networks
  • Pumping facilities
  • Storage reservoirs


The main elements of the sewerage schemes include:


  • Collector and trunk sewers
  • House connections
  • Pumping facilities and pressure mains
  • Wastewater treatment facilities including screening, de-gritting, complete mix activated sludge extended aeration system with vertical carousel aerators 110 kw each, together with tertiary treatment and effluent reuse for irrigation purposes.


Consultancy Services


  • Technical and economic feasibility studies
  • Investigations and surveys
  • Designs
  • Preparation of tender and contract documents
  • Supervision of construction
  • Technical support during operation and maintenance of the schemes – Preparation of manuals



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