cowpen bewley landfill

www.cemex.co.uk Innovation and refinement have led CEMEX to develop CEM-Pave, a cementitious alternative to traditional surfacing techniques. By combining our vast experience in both materials technology and surfacing installation, we have been able to provide our clients with a durable and cost-effective alternative surfacing solution. THE CHALLENGE When Impetus Waste wanted to improve access to their Landfill site at Cowpen Bewley, they naturally thought of laying a traditional 300mm deep Asphalt surfaced road that would provide safe access to the site for the hundreds of heavy vehicles and machinery movements. The site provided a number of challenges, including a high water table and large amounts of contaminated materials being tracked through it. These, combined with the large volume of heavy traffic meant that the expected life of a traditional asphalt road would be significantly reduced. Another major factor was time. Impetus could not afford for access to be restricted for long periods while the works were taking place, or material was curing. THE SOLUTION CEMEX proposed an alternative solution to Impetus that would speed the process up significantly and provide cost savings to the project. To facilitate a shorter programme, CEMEX established an on-site Wirtgen KMA220 Mixing Plant to produce the CEM- Pave mix for the access road. The 1,762t (728m3) of material was produced on site and transported to a pair of paving machines, who laid the entire road width in echelon, allowing for a seamless joint down the middle of the road. This technique reduces chances of water ingress through the joints which can damage the pavement over time. The CEM-Pave mix requires less water than a traditional concrete mix and is fed directly into the paving machine to be laid to the correct depth. Once joints are cut, a roller follows behind to ensure compaction and an optimum finish. The first section of road was completed in one week and the high ‘early strength’ achieved allowed the road to be opened after only a few hours. THE OUTCOME Savings of around 25% were made in comparison with the original specification, most of which was realised by reducing the depth of the road from 300mm to 200mm. Impetus were so impressed, they decided to extend the access road, and CEMEX were asked to stay on and lay another 4,500t of CEM-Pave to complete the project. THE USE OF TRADITIONAL SURFACING MATERIALS ON HEAVY INDUSTRIAL ROADS HAS ALWAYS PRESENTED CONTRACTORS AND CLIENTS WITH A RANGE OF CHALLENGES, ESPECIALLY IN REGARDS TO THE LIFESPAN OF THE ROAD. AT COWPEN BEWLEY CEMEX DEMONSTRATED THAT BY COMBINING TRADITIONAL ASPHALT SURFACING TECHNIQUES WITH THE PERFORMANCE AND DURABILITY OF CONCRETE, THEY COULD DELIVER A LONG LASTING SOLUTION... KEY FACTS » Contract - New Access Road, Cowpen Bewley Landfill Site, Billingham - 2013 » Customer - Impetus Waste » Volume - 6,262 tonnes » Main Mix - CEM-Pave COWPEN BEWLEY LANDFILL

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www.cemex.co.uk

Innovation and refinement have led CEMEX to develop CEM-Pave, a cementitious alternative to traditional surfacing techniques. By combining our vast experience in both materials

technology and surfacing installation, we have been able to provide our clients with a durable and cost-effective alternative surfacing solution.

THE CHALLENGEWhen Impetus Waste wanted to improve access to their Landfill site at Cowpen Bewley, they naturally thought of laying a traditional 300mm deep Asphalt surfaced road that would provide safe access to the site for the hundreds of heavy vehicles and machinery movements. The site provided a number of challenges, including a high water table and large amounts of contaminated materials being tracked through it. These, combined with the large volume of heavy traffic meant that the expected life of a traditional asphalt road would be significantly reduced. Another major factor was time. Impetus could not afford for access to be restricted for long periods while the works were taking place, or material was curing.

THE SOLUTIONCEMEX proposed an alternative solution to Impetus that would speed the process up significantly and provide cost savings to the project. To facilitate a shorter programme, CEMEX established an on-site Wirtgen KMA220 Mixing Plant to produce the CEM-Pave mix for the access road. The 1,762t (728m3) of material was produced on site and transported to a pair of paving machines, who laid the entire road width in echelon, allowing for a seamless joint down the middle of the road. This technique reduces chances of water ingress through the joints which can damage the pavement over time. The CEM-Pave mix requires less water than a traditional concrete mix and is fed directly into the paving machine to be laid to the correct depth. Once joints are cut, a roller follows behind to ensure compaction and an optimum finish. The first section of road was completed in one week and the high ‘early strength’ achieved allowed the road to be opened after only a few hours.

THE OUTCOME Savings of around 25% were made in comparison with the original specification, most of which was realised by reducing the depth of the road from 300mm to 200mm. Impetus were so impressed, they decided to extend the access road, and CEMEX were asked to stay on and lay another 4,500t of CEM-Pave to complete the project.

THE USE Of TrAdITIONAL SUrfACING MATErIALS ON HEAvy INdUSTrIAL rOAdS HAS ALwAyS prESENTEd CONTrACTOrS ANd CLIENTS wITH A rANGE Of CHALLENGES, ESpECIALLy IN rEGArdS TO THE LIfESpAN Of THE rOAd. AT COwpEN BEwLEy CEMEX dEMONSTrATEd THAT By COMBINING TrAdITIONAL ASpHALT SUrfACING TECHNIqUES wITH THE pErfOrMANCE ANd dUrABILITy Of CONCrETE, THEy COULd dELIvEr A LONG LASTING SOLUTION...

KEy fACTS » Contract - New Access Road, Cowpen Bewley Landfill Site, Billingham - 2013

» Customer - Impetus Waste » Volume - 6,262 tonnes » Main Mix - CEM-Pave

COwpEN BEwLEy LANdfILL