Channel Lining | Zhambyl Area, Almaty Region, Kazakhstan

CCX-M^® Installed to provide protectioon against water seepage and erosion

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Project Overview

In July 2024, Concrete Canvas^® Ltd CCX-MAT^®GCCM* (CCX-M^®) was trialled and used to line an irrigation canal to prevent seepage in Zhambyl district of Almaty region, Kazakhstan. The objective was to stop water infiltration in an irrigation channel and to improve the local water management system.

Water loss is considered one of the most important problems of water infrastructures. A huge amount of water is lost from canals during transportation and distribution. About 30% to 50% of the water passing through canals is lost before reaching their end due to seepage. Sandy soils are prevalent in Zhambyl district of Almaty region causing up to 70% of water losses.

Channel reprofiled, CCX-M^® deployed using an excavator and spreader beam, CCX-M^® cut to length, joints sealed and screwed.

5500m²

of CCX-M^® used to provide erosion protection

5 Days

to complete installation

1400m²

installed per day by team of 12

Solution

To improve efficiency and performance of the irrigation system it was decided to implement a pilot project on the construction of water distribution channels using innovative waterproofing coatings. CCX-M^® was installed as a trial lining. The objective of the trial was to determine the speed and efficiency of the lining in combating seepage losses in difficult installation conditions on sandy soil.

Different solutions were initially considered including reinforced ready-made concrete drainage channel, a method for lining a channel by pumping concrete through to a slipform apparatus. However, due to remoteness of the project it was proven that using these methods would have pushed the project over budget – with majority of the costs spent on logistics, material and specialist equipment. CCX-M^® was specified for the project due to the ease and speed in which it can be transported and installed alongside needing minimal equipment and team to install as well as being able to protect the canal from any erosion and having significantly greater flexural strength.

Sealed and screwed joints

CCX-M^® hydrated using a water truck and hose

Design & Installation

Canal was excavated using a trapezoidal bucket
CCX-M^® Bulk Rolls specified
Transverse layup
Sealed and screwed jointed
Leading edges secured within anchor trenches
Hydrated using a water truck and hose
Anchor trenches backfilled with excavated substrate

Completed section prior to anchor trenches backfilled

Summary

CCX-M^® was installed at an average rate 1400m² per day by a team of 12 installers. In total, 5,500m² of CCX-M^® were installed over 5 days.

The project was deemed a success by client, with the project being completed within the schedule and fully insured the functioning of the facility according to the project specification. CCX^® has already been approved as an alternative to their current lining specification for significantly larger lining project for the district.

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