Tunnel Sadd Ariana

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Projects

Projects

Construction of irrigation and drainage system of Makhtaaral-1b

Start date:

12-April-2019

Due date:

31-December-2022

Status:

In Progress

Technical area:

Water And Environment - Irrigation

Employer:

Water Resources Committee of the Ministry of Ecology, Geology and Natural Resources of the Republic of Kazakhstan

Background:

The Second Irrigation and Drainage Improvement Project (IDIP-2) has been one of the auspicious projects of SMEC in Central Asia. IDIP-2 has been the outcome of the Kazakhstan government’s plan to extend the irrigated area further by 600,000ha. Meanwhile, the government program “Strategy “Kazakhstan-2050” addresses the measures to reduce the deficit of water resources through the development of modernized infrastructure, effective use of water resources, modernization of water supply and water offtake system of the settlements, as well as measures for effective water-resources management. 

Roles:

  • Collapsed or damaged canal offtake and control structures
  • Overgrown and silted irrigation canals and drainage canal
  • Damaged or collapsed concrete canal linings and Canadettes (elevated parabolic flumes)
  • Damaged or inoperable vertical drainage wells (VDWs); Damaged, missing or inoperable control gates
  • Destroyed electrical systems, especially at major structure control gates and VDWs; and Eroded upstream and downstream protection works and aprons at diversion weirs
  • To address these physical deficiencies as well as to improve operational aspects, the proposed main types of works include the following
  • Repairs to main canal head and cross regulators, concentrating on upstream and downstream protection works and control gates
  • Improved secondary canal off‐take structures
  • Repairs to or reconstruction of unlined irrigation canals and drainage channels to restore needed design capacities
  • Construction of linings at canal locations where high seepage losses have been identified
  • Repairs to or replacement of channel concrete sections, whether precast
  • Flumes (Canadettes), precast vertical or inclined slabs, or cast in‐situ linings
  • Repairs to or construction of canal control structures including cross regulators, off‐takes and division boxes
  • Replacement of VDWs
  • Provision of hydro-posts to improve flow measurement and calibration at suitable locations, especially at points of delivery of water to lower‐level farmer‐managed systems
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