International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Drainage Construction Techniques for Vertical/ Tubewell Drainage
Author: ICID
Year: 1978,
Type: Special Publication, Format: Print
In situations of high water table crops suffer from waterlogging and salinity. Appropriate drainage is the long-term remedial measures which can be horizontal drainage (open or buried drains) or vertical drainage (use of wells). An international team of experts have brought forth valuable information based on their experience in five chapters on the theme of the publication : 1. General: Deal with principles, application, comparison of vertical and horizontal drainage and irrigation wells. 2. Design Factors: Tubewell components, filters, screen, pump casing, well economics, pump and motor, well field design, and special wells. 3. Construction Materials: Well string components, filter material, pumps, pump house. 4. Construction: Drilling, logging and sampling, well string installation, gravel placement, development, testing, cleaning and sterilization, measurement and equipment. 5. Operation and Maintenance: Initial records, monitoring, maintenance, workshops, rehabilitation.

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