Envirotec

Dorset road upgrade scores on waste reduction

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The A338 project team (Top row from left to right: Tim Ford – Hanson site manager, Bob Chandler – Hanson commercial manager, Dorset County councillor Andrew Cattaway – Dorset County Council chairman, Ellis Snape – Hanson civils contract manager, Tim Collins – Hanson senior TSCO, Mark Perring – Hanson surfacing contract manager; Middle row from left to right: Emma Baker – Dorset County Council project engineer, Mike Harries – Dorset County Council director for environment & the economy, Lorna Carver – director of Dorset Local Enterprise Partnership, Mike Collins – Hanson SHEQ, Dennis Curran – Hanson major projects directorl; and Bottom row from left to right: Ian Price – Hanson project manager, Mike Read – Dorset County Council highway improvements project team manager, Thomas Eaton – WSP Parsons Brinckerhoff Design project manager.

A £22 million project to upgrade a 5.2 mile stretch of the A338 Bournemouth spur road – Dorset’s busiest road – has been completed on time and on budget, and hailed by a local politician as “one of the greenest road maintenance projects in the country”.

The nine-month rebuild was carried out by Hanson Contracting through the Dorset Highways Strategic Partnership, a 12-year collaboration with Dorset County Council.

Designed by WSP Parsons Brinckerhoff, it included widening the dual carriageway, enhancing drainage and installing a concrete central reservation barrier to improve safety.

All the old carriageway surface – about 75,000 tonnes of asphalt – was recycled into the base of the new road, with Hanson’s technical team working with the client to agree a thinner, more sustainable, surfacing material.

Hanson Contracting project manager Ian Price said: “This project is a great example of the benefits of collaborative working and value engineering. The approach included carrying out six-day round-the-clock working, to complete the project in the shortest possible time to minimise disruption, and the development of a top surface specifically designed for the project.

“The 20mm Tufflex HD binder course was overlaid with a specially designed 10mm stone mastic asphalt surface course*. This provides enhanced durability and is resistant to rutting and cracking as well as producing 50 per cent less noise. It is also thinner, so is more sustainable through using less aggregate and needing fewer vehicle movements to lay.”

Councillor Peter Finney, deputy leader of Dorset County Council and cabinet member for environment, infrastructure and highways said: “The reconstruction of the spur road was long overdue. I’m pleased Dorset Highways has been able to work with our partners Hanson Contracting UK and WSP Parsons Brinckerhoff to make this one of the greenest road maintenance projects in the country.”

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