Attention: open in a new window. Print


Islamic Republic of Iran

Preparation of Feasibility Study for Tehran Sewerage Project

Financing Agency: World Bank

Project Period: 03/2006 – 08/2006 (6 months)


  • Elaboration of technical Feasibility Study
  • Institutional and cost recovery arrangements.
  • Analysis of the financial viability of the Company (TSC)
  • Preparation of outline designs; recommendations for operation/maintenance
  • Financial sustainability

Technical Details:

  • 2,425 km sewer laterals sizes from 250 mm up to 600 mm
  • 95 km sewer interceptors’ sizes up to 1000 mm, 37 km main trunks (1200 mm up to 3000 mm) covering an area of about 16,000 hectares.
  • sewage treatment plant consisting of four modules with a total capacity of 2,100,000 P.E