Membrane Protection | A1 Highway, Austria

3,016m² of CCX-M^® Installed for HDPE Pond Protection

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Project Overview

In July 2024, 3,016m² of Concrete Canvas Ltd’s CCX-MAT^® (CCX-M^®) GCCM was used to provide membrane protection to a HDPE lined attenuation pond located next to the A1 highway in Wolfsbach, Austria.

Along the A1 Highway there are a number of water protection systems that controlled water run-off and vehicle pollutants via attenuation ponds. Alongside collecting water run-off, the attenuation ponds are also used to capture major spillages such as oil, diesel and chemicals, whilst also providing water to extinguish vehicles during major accidents.

3016m²

of CCX-M^® used to line the attenuation pond

5 Days

for entire install to be completed

40%

of cost savings compared to standard concrete

Solution

To prevent run-off and pollutants from seeping into the surrounding area, the new pond was designed to be lined with a HDPE liner. The HPDE liner was to be protected using a non-woven geotextile and then covered with a 10cm layer of concrete. When comparing the original solution to CCX-M^®, the client quickly saw how cost-effective and rapid the GCCM material could be installed, whilst causing minimum disturbance to the adjacent highway – eliminating the need for lane possession.

Design & Installation

HDPE geomembrane was installed first
Slopes were covered with a non-woven geotextile
CCX-M^® Bulk Rolls were specified
Vertical layup
Overlaps were thermally bonded using a Leister Unidrive 500Geo
Steel pegs used to secure material within anchor trenches at the crest
Hydrated using a water tank and pump
Material was re-hydrated to avoid premature curing during hot weather conditions
The base of the pond was covered with poured concrete, capturing the CCX-M^®
Floor was then covered in a layer of soil to encourage vegetation growth

CCX-M^® laid vertically down the slope

An attenuation pond lined with HDPE and covered with a non-woven geomembrane layer, where CCX-M^® was installed with 100mm overlaps to the blue marker line and thermally bonded using a Leister Unidrive 500Geo

Summary

The entire installation was completed within 5 days, with a team of 5 installing just over 3,000m²of CCX-M^®. The client was extremely satisfied with the solution, with CCX-M^® saving around 40% of costs compared to standard concrete and are looking to use the material to line further attenuation projects.

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