Project Title : Eastern Tehran Sewerage Tunnel - D&B (Lot 4)
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Location : Iran - Alboorz |
Status : Completed - Sewerage |
Start Date : 2005 | End Date : 2011 |
Technical Specifications : Concrete lined tunnel with oval shaped section: -Length of section with 2,000 mm wide and 2,700 mm high: 6,479 m -Length of section with 1,700 mm wide and 2,300 mm high: 3,125 m Minimum and maximum slopes of tunnel are 0.005 and 0.018 Vertical shafts: -Total number of shafts: 38 -Average depth of shafts: 12 m, from 6 m up to 24 m -Internal diameter of shafts: 2,400 mm Tunnel excavation: 78,600 m3 Shaft excavation: 4,000 m3 Surface stabilization: 97,700 m2 Steel works: 2,750 ton Formworks: 110,000 m2 HDPE lining: 73,500 m2 Concrete: 25,300 m3 |
Employer Tehran Sewerage Company Engineer Lar Consulting Engineers -------------------------------------- Updated Contract Price 95,000,000 USD
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Description :
This is a part of Eastern Tehran waste water collection system as well as its conveyance to Shahr-e-Rey waste water treatment plant. It contains 9.6 km tunnel, 21 shafts for mechanical equipment, and 17 shafts for tunnel access. It follows under the streets: North-Sabalan, South-Sabalan, Damavand, 30m Niro-e-havaiee, Masoudian, 2nd-Niro-e-havaiee, Pirouzi and Parastar. This tunnel is a part of main eastern sewerage tunnel of Tehran toward Shahr-e-rey treatment plant. Total length of project is 9,700 meter. |
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