Concrete Impregnated Fabric UK CHAMBER AWARDS MADE IN UK Knowledge Transfer Network NATIONAL WINNER

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1 13.06.UK MADE IN UK CHAMBER AWARDS NATIONAL WINNER Knowledge Transfer Network Modern Built Environment MOST INNOVATIVE PRODUCT AT WORLD OF CONCRETE POZNAN INTERNATIONAL FAIR 2012 R&D 100 Award winner R&D Magazine National Winner Chambers of Commerce Award 2011 Top Innovation BRE Insite Expert s Choice Winner Most Innovative Product MTP Gold Medal Award BUDMA Winner Material Connexion Medium Award Material of the Year 2011 Nominee, 2007 Finalist Design to Improve Life Award

2 Project Info MAY 7 01 / 06 / 2011 CC5 bulk rolls # 600sqm Transverse layers Parla, Madrid, Spain. i TRAGSA, on behalf of ADIF. Remediation work on suburban rail embankment undermined by rabbit burrows and weathering erosion. The 600sqm section was lined in a single day and without need for disrupting train traffic. Train traffic able to continue during installation Completed CC lined embankment

3 Case Study : Chipping Sodbury In September 2009, a 140m section of ditch was lined using Concrete Canvas by AMCO, (Amalgamated Construction). The project was commissioned by Network Rail to provide drainage at the top of a railway embankment in Chipping Sodbury, Gloucestershire. This was the first time AMCO had used CC for ditch lining and the project was heralded as a major success. CC was significantly quicker and easier to install than conventional concrete slab construction, reducing the project cost and time on site. The Concrete Canvas was supplied in man portable rolls for ease of use on a site with limited access. Concrete Canvas is incredibly quick and easy to use. It allowed us to line over 100m of ditch in less than 8 hours, with the minimum of man power and plant equipment. The time and expense saved, means I will have no hesitation in recommending Concrete Canvas for future projects. Less time on site Start (09:06am) [0m] Andrew Gurd, Drainage/Construction Manager Amalgamated Construction Ltd (09:34am) [16m] (10:06am) [32m] Completed ditch with water flow Finish (12:02pm) [140m]

4 Project Info MAY 7 21 / 12 / 2010 CC8 bulk rolls # 2500sqm Tranverse layers Alcobendas Station, Madrid, Spain ADIF i - Slope stabilisation of railway embankments on a high speed rail line. - Installation of CC allowed train traffic to continue without disruption of service sqm CC8 used - Installed at a rate of 450m/day Dispensing CC8 bulk rolls from spreader beam equipment In December 2010, ADIF, the Spanish authority responsible for railway infrastructure management, specified Concrete Canvas (CC) to be used as slope protection for a railway station in Madrid. CC was chosen to address years of erosion and instability issues affecting the entrance of Alcobendas tunnel station. Erosion of the steep railway slope embankments had caused silting at the drainage pumps in the tunnel entrance. Shotcrete had been used twice previously but presented several problems with installation and durability. 2500sqm of CC8 was specified and delivered on site in bulk rolls, which were dispensed from spreader beam equipment and plant. The CC was fixed at the top of the 12m slope using galvanised steel pegs whilst adjacent CC layers were screwed together. A shallow surface runoff ditch was formed at the toe of the slope. Train traffic was not affected during the works: the station was able to remain open during the installation as there was no risk of discharge from material onto the tracks, often a problem with sprayed concrete techniques. Installing at a rate of over 450sqm/day, the project was completed in under a week and was 70% quicker to install than if shotcrete or gunite had been used.

5 Project Info MAY 7 06 / 07 / 2011 CC8 bulk rolls Minimum line possessions # 500sqm in 62.5m rolls 1 longitudinal layer Newton Abbott, UK Amey Colas i Concrete Canvas was used to create lined carrier drains in the cess. CC was unrolled from the tracks and 100m of ditch was lined in a single possession at night. CLICK TO WATCH VIDEO Completed lined carrier drain

6 Case Study : Cholsey Case Study On the 1st June 2010, Dyer and Butler started work to repair a drainage ditch which was at risk of overflowing onto an adjacent public road. Network Rail specified Concrete Canvas for the ditch which ran for 50 metres next to Cholsey Train Station near Wallingford in Oxfordshire. Using Concrete Canvas at this site had great benefits over conventional methods, with speed of delivery of works and negligible disruption to the local public and road users Graham Spence, Senior Site Agent Dyer & Butler Original ditch profile 1st CC layer CC lined ditch 3 layers of CC