Project Name: Installation and pre-commissioning of Caspian combined cycle water purification, polishing and wastewater treatment systems (west of Mazandaran) 1- Fitap and steel welding 4,950 inches 2- Fitap and carbon steel welding 4,250 inches 3- Threading of galvanized lines 1,200 inches 4 – PVC lines 1,950 inches 5- Installation of 57 centrifugal pumps 6- Installation of pressure tanks 165,000 kg 7- Purchase, construction and installation of support 15,000 kg 8- Cabling and termination and tray work 35,000 meters 9- Installation of control and power panels 12 number