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Doosti Dam Water Transmission to Mashhad

Doosti Dam Water Transmission to Mashhad

Location: Doosti Dam(located at the border of iran & Turkmenistan), Mozdooran Height through a tunnel with 5.7m diameter, and 900 m length.Mashhad city

Activity: Water Supply

Client: Khorasan Razavi Regional Water Company

start date:

Completion Date:

Project Description:

Objective: Transmission of 150 MCM water from Doosti dam to Mash had for drinking water annualy

Services: 1 st & 2nd phases of studies, design & supervision on execution and operation

Water Resource: Doosti damLake

Pipe diameters: 2000 mm

Pipe length: 182 km

Transmission rate: 6 m³/sec equivalent to150 MCM annully

Consumption: Mashhad potable water supply

Pipe material: Steel with grades of ST-37, ST-44 and ST-52

Interior coating: 135 km sand-cement mortar, 32 km epoxy

Exterior coating: 3 layer poly ethylene

Transmission type: Pumping & Gravitational

Pumping head: 920 m

No. of pump stations: 11 storage and equilibrium reservoirs with 250,000 m3

Number of pumps: 28 units + 5