| Studying of transmission line and pumping station of Chenareh new city of Marivan | Kurdistan Regional Water and Sewerage Company | 2012 |
| Phase one- and two-line studies and network of wastewater refinery plants in villages of Qorveh (Ghaslan, Vinsar, Baharloo) | Kurdistan Regional Water and Sewerage Company | 2012 |
| Phase one- and two-line studies and network of wastewater refinery plants in the villages of Marivan (Savojli, Veleh Jir) and the outskirts of Zarivar Marivan | Kurdistan Regional Water and Sewerage Company | 2012 |
| Studying zero Phase of the refinery plant of industrial town in Saqez | Kurdistan Regional Water and Sewerage Company | 2013 |
| Supervising water supply and collection of rural wastewaters in Bijar, Saqez, Marivan, Qorveh, Sarvabad and Dehgolan | Kurdistan Regional Water and Sewerage Company | 2014-2015 |
| Supervising water supply and collection of rural wastewaters in Bijar, Saqez, Marivan, Qorveh, Sarvabad and Dehgolan | Kurdistan Regional Water and Sewerage Company | 2015-2016 |
| Supervising water supply and collection of rural wastewaters in Bijar, Saqez, Marivan, Qorveh, Sarvabad and Dehgolan | Kurdistan Regional Water and Sewerage Company | 2016-2017 |
