This rehabilitation and upgrading project involved UPVC/high-density polyethylene sewer pipeline of 200 mm to 500 mm dia., ductile iron force mains of 150 to 500 mm dia., three sewage pump stations and five sewage lift stations, a sewage treatment plant of 5,600 cu. m/day capacity based on extended aeration process. Submerged membrane filtration system was used for the first time in this sewage treatment plant in the Sultanate of Oman.

Client: NESPAK/Ministry of Regional Municipalities, Environment & Water Resources, Sultanate of Oman

Completed: 2009