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