Mahab Ghodss (Consulting Engineering Company)
Mahab Ghodss (Consulting Engineering Company)
 
   

Project

Galabar Water Conveyance System & Irrigation Network

 Client:
Zanjan Regional Water Authority

Contractors:
Meli Sakhteman Construction Co.
Location:
Eadjrud town,   40 km south of Zanjan city, Zanjan province

Purpose of project:

Controlled water conveyance from Galabar storage dam to Zarinabad lands & water distribution.
>  Collection of surface runoff and their disposal
>  Development of water & lands resources agricultural production.
>  Attaining the goals of economical & social development programs of the country

General features of the project:

Area

 Development

7750 hectares

 Improvement

1250 hectares

Total network area

7900 hectares

Allocated water volume:

 Ieje river water source & existing qanats

2.1 mcm

  Galabar storage dam

46 mcm

Irrigation Method

Drip

2036 hectares (vineyard)

Sprinkler

5864 hectares (agricultural products)

Project particulars & Specification:

 Galabar pumping station & transmission line:

Capacity 

5700 lit/sec

 Number of electro-pumps

8+1

Type of pumps

Submerged

Electrical power demand

2880 kW

Total dynamic head 

37 m

 Pipeline length

 106 m

Pipe material type

Steel

Pipe diameter 

1200 mm

Galabar Conveyance canal:

Capacity 

5700 lit/sec

Length

 6300 m

Bottom width

2.5 m

Land coverage height

2 m

Main structures within canal

3 units cylindrical siphon with diameter of 2000 mm and a total length of 1985m

Irrigation and drainage networks

Consist of main canal, primary and secondary pipelines and Joghin pump station

Main canal:

Capacity 

5.7 m3/sec

Length

19.2 km

Bottom width

2.5 m

Land coverage height

2 m

Main structures within canal

3 units cylindrical siphon with diameter of 2000 mm and a total length of 1985m

Joghin pump station:

Capacity 

1660 lit/sec

Number of electro-pump

6+1

Electricity power consumption

2130 kW

Dynamic head

87 m

Primary & Secondary pipelines:

2 primary pipelines 9.7 km long
17 secondary pipelines 45.5 km long