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World-Renowned Designer and Architect Lord Foster Visits CCHQ
CCX Canal Lining Project in Canal de Provence
CCX Canal Lining Project Highlights
CCX used by Holcim and Norman Foster for low-carbon housing solution
Made in the UK, Sold to the World Awards Winner
Revolutionizing Construction with Concrete Canvas: A Case Study
Channel Lining in Pen Mill, Yeovil
In August 2021, B Keogh Construction undertook a project to line a surface water interception channel on the Wessex Route for Network Rail in Yeovil, Somerset. They used the innovative Concrete Canvas® (CC8™) GCCM, a Type II GCCM that is abrasion, wear, and loading-resistant, and BBA certified with a durability of over 120 years in erosion control applications.
Creating a Scour-resistant Channel
Due to localized flooding of the railway line during heavy rainfall and small landslips along the adjacent cutting, the decision was made to reprofile the cutting and create a channel to intercept surface water from nearby farmland. The channel needed to be resistant to scour, making CC8™ an ideal choice for the project.
Installation Process
B Keogh Construction cut a trapezoid open channel using a V-ditch bucket and excavator before filling any large voids to create a uniform and smooth substrate ready for the installation of CC8™. The material was delivered in Bulk Rolls and suspended in the air from a spreader beam for ease of installation. Groundworkers then installed it across the channel in a transverse lay-up, achieving installation rates in excess of 200m2 a day.
Ensuring Longevity and Stability
Once the CC8™ had been placed across the open channel, it was pegged to the ground inside of 150mm deep anchor trenches to prevent wind and water from undermining the material. Adjacent layers of CC8™ were overlapped and jointed with screws and a continuous bead of approved sealant, minimizing permeability and reducing the escape of water into the ground. All CC8™ installed during the day was fully hydrated at the end of every shift, and the anchor trenches were then back-filled to prevent any wind and water ingress under the material.
Future-proofing the Rail Network
By using CC8™, the contracting team saved time on-site, reduced the logistical footprint of the project, and effectively future-proofed the local rail network against adverse weather events. Concrete Canvas® is revolutionizing the construction industry with its innovative, sustainable, and cost-effective solutions for erosion control, containment, and more.
You can download the full case study here.
Contact Concrete Canvas
Concrete Canvas & TechFab India Enter New Partnership for Indian Market
Concrete Canvas Ltd (CC Ltd) and TechFab India (TFI) have signed an exclusive partnership contract for the sales, marketing and distribution rights of CC’s patented product range of GCCMs* across all market sectors of India.
The agreement brings together two exciting and dynamic companies who have both demonstrated strong growth over the last 15+ years.
TechFab India was founded in 2003 by the Managing Director, Anant Kanoi and has grown into a business that manufactures and supplies a broad range of geosynthetic products across India and multiple export markets. TechFab India are renowned for providing world class geosynthetic products with a focus on quality and customer service.
CC Ltd was founded in 2005 by Directors Peter Brewin & William Crawford, to commercialise their Concrete Canvas® (CC) material technology. CC is recognised as the first in a new class of geosynthetic products and is used across a wide range of markets for erosion control, weed suppression and containment applications. CC is sold into more than 80 countries globally.
Both companies have a strong Welsh connection, with Concrete Canvas’ headquarters, R&D and manufacturing facilities based in Pontyclun, South Wales. Whilst the MD of TFI, Anant Kanoi, studied a Master of Business Administration (MBA) at the University of Wales, Cardiff.
The new partnership was celebrated at a St David’s day reception held by the Welsh Government at the Grand Hyatt Mumbai Hotel, this week.
Will Crawford – Director, Concrete Canvas Ltd.
“We are thrilled to be working with Concrete Canvas Ltd, the inventors of GCCM technology and a company which continues to innovate and invest heavily in Research & Development. This agreement is a natural partnership between TechFab India, with its national coverage of the Indian market and CC’s innovative geosynthetic technology. We look forward to growing our businesses together over the long-term.”
Anant Kanoi – Managing Director, TechFab India.
*Geosynthetic Cementitious Composite Mat
Concrete Canvas Channel Lining at Five Mile Lane
Concrete Canvas Channel Lining at Five Mile Lane
In June 2018, Concrete Canvas was specified to provide a channel lining solution to a newly constructed trapezoidal drainage channel that was cut into the eastern crest of the new road cutting. Find out more about the project below.
The project
The Five Mile Lane Improvements Project aimed to improve safety along the existing A4226 road (also known as Five Mile Lane) in Barry, South Wales. The scheme involved a combination of improvements including construction of a new road that bypasses the winding central station of the existing road.
The solution
CC was delivered in bulk rolls of the specified 8mm variant (CC8™) and mounted onto a spreader beam for easy deployment. The material was laid transversely across the width of the channel, starting downstream to allow for the creation of material overlaps in the direction of water flow to prevent ingress.
Given the volume and flow rates anticipated, the channel required lining to prevent water ingress into the cutting and scouring of the invert.
The material was cut to length on site to reduce material wastage and accommodate variations in profile width or channel curvature. Each transverse layer was secured within the anchor trench using 250mm ground pegs through the overlapped layers. The material was then also jointed along the overlaps at 150mm intervals using 30mm stainless steel screws, placed 30mm away from the leading edge.
Following jointing and fixing, the CC was hydrated using a 4000-litre bowser and pump. CC reaches 80% strength just 24 hours after hydration, after which time, the anchor trenches were backfilled to bury the material edges, providing a neat termination and preventing any water ingress.
Once set, CC forms a thin, durable, water proof and fibre reinforced concrete layer, providing 7.5x greater abrasion resistance than a poured OPC alternative.
Concrete Canvas® is the original GCCM and the first product to declare conformance to ASTM D8364-Standard Specification. This is the only internationally recognised GCCM specification standard and lists erosion control applications by three classifications, Type I, Type II and Type III. It defines the minimum performance values required for each type based on the use of test methods that are specific to GCCM materials. ASTM D8364 is an important resource for clients, consultants and contractors wishing to ensure the GCCM used on their project is fit for purpose. For Five Mile Lane, we recommended that CC8 which is Type II was used.
The results
Over 2250m² of CC8™ material was installed in less than four days by a crew of 4, using minimal plant. As Concrete Canvas has been approved by BBA to provide durability of 120 years, we expect the relined channel to continue protecting the surrounding environment for many years to come.
Contact Concrete Canvas for Channel Lining
If you are looking for a flexible and durable concrete solution for your channel lining project, get in touch with Concrete Canvas. We can assess your project requirements to match you with the most suitable type of GCCM. With no need for plant or mixing equipment, we can even guide you through the installation process: simply unroll, secure and add water.
Get in touch
Introducing CCX
Aged Concrete Canvas Channel Lining in Church Village
Aged Project
In February 2010, Concrete Canvas was used to line a drainage channel which ran adjacent to a newly constructed bypass. Keep reading to find out why and how Concrete Canvas was used for this project. Below are the comparison images of how Concrete Canvas remains intact and secure to provide a complete channel lining solution within the Church Village area.
The installed channel is still in use to this day. Concrete Canvas has kept the channel weed and erosion free, with water constantly flowing. Ensure that your project’s lifespan lasts by checking for the GCCM Specification Standard ASTM D8364.
Concrete Canvas is the original GCCM and the first product to declare conformance to ASTM D8364-Standard Specification for GCCMs. This is the only internationally recognised GCCM specification standard and lists erosion control applications by three classifications, Type I, Type II and Type III. It defines the minimum performance values required for each type based on the use of test methods that are specific to GCCM materials.
ASTM D8364 is an important resource for clients, consultants and contractors wishing to ensure the GCCM used on their project is fit for purpose. CC8™ is a Type II GCCM as defined in ASTM D8364, it is suitable for use on soil subgrades and was chosen for this project to suit the abrasion, wear and loading requirements. CC8™ is also BBA certified with durability in excess of 120 years when used in erosion control applications.
The project
Set in Church Village, South Wales, a major construction project was underway. In the previous year, Costain had been appointed as the main contractor for a £90m Church Village Bypass Scheme. This involved the construction of two bridge roads, four roundabouts, three community footbridges, two cattle grids and one subway, along with the installation of holding ponds and a surface drainage network.
Costain wanted to use environmentally-friendly materials, such as recycled aggregates, to minimise the impact on the local ecology. Following approval from the Environmental Agency, Costain decided to use Concrete Canvas to line the drainage network.
The solution
At Concrete Canvas, we provide a range of Geosynthetic Cementitious Composite Mats (GCCMs) for channel lining projects. Depending on the project requirements, we can recommend a type of GCCM to suit the needs of the landscape and location. For this particular project, we suggested our CC8™ GCCM be used as an environmentally conscious solution.
At the site, there was already a drainage channel in place. However, it had become overgrown with vegetation and was no longer suitable for use. Before the installation of CC8™ could begin, the original channel was graded and all vegetation was removed, creating a smooth substrate. With the channel prepared, bulk rolls of CC8™ material were delivered to site and lifted into position using a spreader beam. Using plant equipment made it easier for workers to manoeuvre the bulk rolls, and allowed them to simply pull the material into position.
The installation was carried out in three phases, to create longitudinal layers of the CC8™ material. The first phase involved laying the material along the base of the channel and fixing it into the substrate using ground pegs. The second phase involved laying material on either side of the first length, with 100mm overlaps. These overlaps could then be jointed using screws at 200mm intervals. It was decided that the overlaps would not be fully sealed, allowing natural weep paths to form. The third phase involved creating anchor trenches on each shoulder of the channel for the CC8™ material to be fixed, which were later backfilled following hydration.
The results
A total of 240m² of CC8™ was installed to complete the drainage network as part of the Church Village Bypass Scheme. By using Concrete Canvas, Costain were able to complete the scheme in a time-efficient and cost-effective manner, whilst having a minimal impact on the surrounding environment. After the completion of the project, we received the following feedback from Daniel Powrie, the Project Manager at Costain.
Contact Concrete Canvas for Channel Lining
If you are looking for an environmentally-friendly solution for a channel lining project, get in touch with Concrete Canvas. We can assess your project requirements to match you with the most suitable type of GCCM. We can even guide you through the installation process: simply unroll, secure and add water.
Get in touch.
View the full case study