In the last 5 years WSI has completed projects in the following fields of Engineering Procurement and Construction (EPC):

  • Design Checking Services (water/desalination/wastewater treatment)
  • Conceptual Process and M&E Design (water/desalination/wastewater treatment)
  • Hydraulic Network Modelling (water/wastewater)
  • Construction Supervision (water and wastewater)
  • Testing & Commissioning Supervision (water and wastewater



In addition, it has successfully completed Consultancy Services for projects entailing:

  • Techno-commercial Feasibility Studies
  • Preparation of RFQ and RFP documentation
  • Bid evaluation and report
  • Detailed Standard Operating Procedures (SOP) and Company Manual
  • Training and Capacity Building
  • Environmental Impact Studies



AL Wakra and Al Wukair STP Design Services (2020)

Conceptual process, mechanical, and electrical design for a 150,000 m3/d STP for Qatar. The design services were carried out for a project developer for bidding purposes.

Hydraulic Design and Modelling of Treated Industrial Effluent (TIE) Network, Sohar, Oman (2020)

20,000 m3/d treated effluent network within Sohar Industrial Port Area. WSI carried out modelling using Bentley software and provided training of client’s staff.

Feasibility Study for Re-use and Utilization of Hypersaline Water for PDO, Oman (2020)

25,000 m3/d hypersaline water r-use to generate boiler quality water for steam generation.

Planning and Projects Manual (2020)

Preparation of a Planning & Projects Manual specifying departmental procedures for executing projects for a water utility.

Project Development for Sewage Treatment Plants in Georgia (2019)

10,000 m3/d and 15,000 m3/d STPs using conventional treatment process. EPC Project Value USD 17m.

Ad Dakhiliya Water Distribution / Pumping Stations for PAW, Oman (2019)

Tender preparation including design checking for a USD 330m. project for PAW.

Feasibility Study for Khazaen Economic City (2019)

Feasibility study for provision of water and wastewater services for Khazaen Economic City.

Techno Commercial Study for a Water Desalination Plant for Duqm Fisheries (2019)

Techno-commercial study for a Developer for a water desalination plant of 10MLD at Duqm Fisheries Port, Oman.

Water Supply Network From Sohar Port to Sohar Industrial Area, Sohar, Oman (2018)

20,000 m3/d capacity potable water and process water supply network with intermediate booster pumping stations. EPC Project Value USD 15m. WSI successfully completed the 2 ½ year design checking and supervision contract in 2020.

Booster Pumping Station

Asset Management and Handover Report for an EPC Contractor (2018)

Asset Management / Hondover Report conducted for a Contractor at the start of the O&M reriod for an Effluent Treatment Plant. Contractor’s name withheld for confidentiality.

Emergency Response Report for Industrial Effluent for ABP Mer, UK (2017)

Associated British Ports Marine Environmental Research (ABPmer) awarded a contract to WSI for drawing up of an Emergency Response Plan (ERP) for the treated effluent discharges at Sohar Port, Oman.

Market Research Report for a Japanese Membrane Manufacturer for USA and Europe (2017)

WSI was commissioned by a Japanese UF/MF manufacturer to carry out a market research for its products in Europe and USA. Name withheld due to confidentiality agreement.

Wastewater Treatment Plant Design for Industrial Client in Kiev, Ukraine (2017).

EPC Project Value USD2m.

Expert Witness (2017)

Membrane Consultants Associates of UK has awarded a contract to WSI for assistance in an expert witness case for a seawater RO desalination plant project in the Middle East. Details are confidential.

Central Effluent Treatment and Recycling Plant (CETRP) Phase 2, Sohar, Oman (2016)

10,000 m3/d extension using latest State of the Art MBBR plant with MF and RO. EPC Project Value USD20m. WSI successfully completed the 2 ½ year design checking and supervision contract in 2018.

MF/RO Plant at CETRP

Water Treatment Plant Design, Kazakhstan (2016)

Conceptual design for a 10,000 m3/d conventional treatment plant in Central Kazakhstan. EPC Project Value USD 5m.