Project Title : Nahrain Reservoir Dam  (Earth Dam with Clay Core)

Location : Iran - Yazd
Status : Completed - Dam

Start Date :

Contract No.1                   2001

Contract No.2                   2005

End Date :

Contract No.1                   2006

Contract No.2                   2006

Technical Specifications :

Height of dam from foundation: 60 m

Length of crest: 320 m

Excavation: 1,198,000 m3

Earth filling: 1,182,000 m3

Steel works: 620 ton

Formworks: 13,000 m2

Concrete: 20,000 m3

Diversion system consists of earth filled cofferdam (as a part of dam body) and diversion gallery

Diversion gallery with horseshoe section: 400 m long

Lateral spillway with ogee

Grouting for water tight curtain: 28,000 m

Employer

Yazd Regional Water Authority

Engineer

Ab-Pooy Consulting Engineers

Total Updated Contract Prices

37,500,000 USD

Reservoir Volume

4,860,000 m3

Annual Water Discharge

9,850,000 m3


 

Description :

This dam located at 21 km west of Tabas city near Niaz village, over Nahrain River. Main purposes of the project are seasonal flood protection, supplying irrigation and potable water to Tabas area.