1. Piping works for the wastewater network of District 2 of Area NW 1-3, segment three:
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 1.745.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250mm x 4,734m (in traditional tunneling method) and implementation of 132 concrete manholes
2. Piping works for the Wastewater network of Saa’dat Abad , Area 2NW :
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 498.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 600mm x 689m (in traditional tunneling method) and implementation of 22 concrete manholes
3. Piping works for the wastewater network of District 2 of Area NW 1-3, segment four:
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 1.753.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-400 mm x 869-3922 m (Total 4784 m), (in traditional tunneling method) and implementation of 111 concrete manholes.
4. Piping works for the wastewater network of Moshiriyeh, Area 5SE2:
- Employer: Tehran Wastewater Company
- Consultant: Mahab Ghods Consulting Engineers Co.
- Contract price: 385.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300 mm x 400-3100 m (Total 3500 m), (in traditional tunneling method) and implementation of 63 concrete manholes
5. Piping works for the wastewater network of Saa’dat Abad , Area 1-2NW-6 & NW2.
- Employer: Tehran Wastewater Company
- Financer: World Bank
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 5.488.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300-400 mm x 364-300-13326 m (Total 13990 m), (in traditional tunneling method) and implementation of 400 concrete manholes
6. Piping works for the wastewater network Saa’dat Abad , Area NW 1-4
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: One 1.713.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300-400 mm x 551-319-4549 m (Total 5419 m). (in traditional tunneling method) and implementation of 114 concrete manholes.
7. Piping works for the wastewater network of District 4 of Area NE 3-2 Tehran Pars, segment 5.
- Employer: Tehran Wastewater Company
- Consultant: Pars Ab Tadbir Consulting Engineers Co.
- Contract price: 6.183.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300-500-600-700 mm x 9152-538-1984-171-78 m (Total 11323 m) (in traditional tunneling method) and implementation of 218 concrete manholes.
8. Piping works for the wastewater network of District 4 of Area NE 3-3 Tehran Pars, segment A.
- Employer: Tehran Wastewater Company
- Consultant: Pars Ab Tadbir Consulting Engineers Co.
- Contract price: 4.506.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300-400-500 mm x 7930-1665-186-364 (Total 10145 m) (in traditional tunneling method) and implementation of 201 concrete manholes.
9. Piping works for the wastewater network of Razan in Hamedan Province
- Employer: Hamedan Water &Wastewater Company
- Financer: World Bank
- Consultant: Mahab Ghodss Consulting Engineers Co.
- Contract price: 7.499.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Performance of Piping Works for a Wastewater Polyethylene Pipeline with diameter of 250-300-350-400 mm x 79308367- 208- 941 and 647 m (Total 10163 m), (in traditional tunneling method) and implementation of 208 concrete manholes.
10. Piping works for the wastewater network of Saa’dat Abad and Farahzad
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 1.551.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
- Polyethylene Piping Works inside reinforced concrete Pips with diameter of 1000 mm; in pipe jacking and tunneling methods, as per below detail:
- 315 mm x 184m Polyethylene Pipes inside steel casings with diameter of 1000 mm
- 500 mm x 167m Polyethylene Pipes inside steel casings with diameter of 1000 mm
- 600 mm x 45m Polyethylene Pipes inside steel casings with diameter of 1000 mm
- Pipe jacking works using steel pipes with nominal diameter of 1000 mm for a length of 352m
- Implementation of 11 concrete manholes
11. Piping works for the wastewater network of Sadr Highway
- Employer: Tehran Wastewater Company
- Consultant: Mahab Ghodss Consulting Engineers Co.
- Contract price: 795.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
- Steel Pipe jacking works with nominal diameter of 1000 mm for length of 36 m
- Double Wall Polyethylene pipeline installation with diameter of 250 mm in traditional tunneling method and with length of 151 m.
- Single Wall Polyethylene pipeline installation with diameter of 300 mm in traditional tunneling method and with length of 46 m.
- Double Wall Polyethylene pipeline installation with diameter of 400 mm in traditional tunneling method and with length of 190 m.
- Double Wall Polyethylene pipeline installation with diameter of 600 mm in traditional tunneling method and with length of 7 m.
- Reinforced concreted pipe jacking with diameter of 1000 mm for a length of 55 m
- Construction of 17 manholes
12. Piping works for the wastewater network of Gheytariyeh- Dowlat , Area 3N-2
- Employer: Tehran Wastewater Company
- Consultant: Rayab Consulting Engineers Co.
- Contract price: 140.000.000 Rials
- Project status: FAC
- Progress: 100%
- Brief description:
Polyethylene Piping works with diameter of 300m and length of 49m in traditional tunneling method.
13. Piping works for the wastewater network of Nazar Abad Area RN2
- Employer: Wastewater Company, West of Tehran
- Consultant: Wastewater Company, West of Tehran
- Contract price: 183.000.000 Rials
- Project status: FAC
- Progress: 100%
Brief description:
- Steel Pipe jacking works with nominal diameter of 1000 mm for length of 36 m at intersection site located between the main water transmission lines (Nazarabad) and Tehran-Tabriz railway
- Installation of 36 m of steel pipes with a length of 600 mm inside a steel casing with diameter of 1000 mm
14. Wastewater collection networks installation Of Rasht in zone 2,14,15,20 and LSP station
- Employer: Guilan Water & Wastewater Company
- Consultant: Iranab Consulting Engineers Co.
- Contract price: 32.228.000.000 Rials
- Project status: FAC is in process
- Progress: 85%
- Brief description:
- Polyethylene piping works for a wastewater pipeline with diameter of 400-315-250-200-160 mm and 1260-3060-1200-45780-4150 m (Total 55450m) of length, in traditional tunneling method
- Construction of 1700 concrete manholes
- GRP pipe installation with diameter of 500mm and 100m of length.