Articles & Case Studies

NAYLOR METRO-DRAIN UNDERPINS NEW CORNISH ROAD DEVELOPMENT

Posted: Thursday 27th November 2014

As part of a wider regeneration plan for the Camborne, Pool and Redruth area in Cornwall, the Government gave the go ahead for Cornwall Council’s £27 million scheme to create a new road linking the three towns; Carillion plc was appointed as main contractor on the project.

Known as the Camborne-Pool-Redruth (East-West Link), the scheme provides a new East-West road between Wilson Way in Pool and Dolcoath in Camborne. It will also see improvements made to Dudnance Lane in Pool. The project includes online works (on existing road routes) as well as new road sections across both green-field and brown-field sites to create a single carriageway highway with pedestrian and cycle footpaths.

As part of this new road installation, roadside surface water drainage needed to be installed together with the associated gullies and connections. After careful consideration of the pipe options available, it was decided by Carillion to utilise the Metro-Drain pipe system from Barnsley-based Naylor Drainage Ltd for the main pipes and the gulley connections. The pipe product was supplied to Carillion through local distributor Burdens.

Site work started on the new road in May 2013, with drainage installations starting some two months later. Two road sections are being completed in the current stage of construction of the Camborne-Pool-Redruth (East-West Link), one of around 1,100 m and one of about 600 m, necessitating installation of some 1.7 km of surface water drainage. Very wet weather over the winter (2013/14) gave rise to access difficulties and impeded progress. Despite this, at the time of writing, around 75% of the drainage works have now been completed with just the section from Dudnance Lane to west of Chapel Road to complete.

METRO-DRAIN

Metro-Drain pipe is a new generation of HDPE high performance twin-wall pipes designed for use in non-pressure, surface and sub-surface storm water drainage applications. The system offers a smooth bore for superior hydraulic flow, corrugated outer wall for additional strength and is available in carrier or perforated configurations. Metro-Drain is Building Regulations and Highways Agency compliant and British Board of Agrément approved.

Available in six sizes from DN150 to DN600, Metro-Drain is a lightweight product that is easy to transport, handle and install and is a recognised alternative to concrete and clayware pipes. The twin wall system has high strength and durability with excellent resistance to differential settlement. The system also has minimal jointing compared with traditional materials and is easy to cut to required length.

Metro-Drain’s use for highway drainage as on the Camborne-Pool-Redruth (East-West Link) project highlights its suitability for the collection and disposal of surface and sub-surface storm water. The product meets the specific requirements of the Highways Agency Manual of Contract Documents for Highway Works and is an approved alternative to the products in Table 5/1 of the Specification for Highway Works. Metro-Drain products can also be adopted under the Highways Act (1980).

The system also has application in other sectors such as Building Drainage, Environmental Installations, Landfill, Agriculture and beneath Golf Courses and Sports Fields.

From a sustainability viewpoint Metro-Drain is also very environmentally-friendly in that it is manufactured from 70% recycled HDPE material without compromise to the quality of the final product.

For Naylor Drainage Ltd, Chief Executive Edward Naylor commented: “We were clearly delighted to supply this important infrastructure project, the latest in a long sequence of prestigious Metro-Drain schemes.”




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