Case Studies

Please see below some of the variety of schemes undertaken by SPL to view or download. If you would like further information on any of these case studies or to discuss similar work, please contact us.

Trunk Roads

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Type 2 HGV Route

This was a major reconstruction of a failed road which was achieved within programme and the clients budget, without the need to carry out lengthy and costly reconstruction.

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Type 2 A Class Road, Working at Night

Suffering from extensive edge failure, the original scheme required a 6 week closure of the carriageway to carry out the required excavation and re-instatement along this stretch.

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A1 - In Situ Foam Mix Recycling

Low Carbon Foam Mix Recycling benefits National Highways on the A1

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A1066 Brettenham, Norfolk

32000m2 reconstructed over 4 weekends mean low Carbon and less disruption for Norfolk

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Grid and Foam Trials Success on B1160 Wissington

Robust reconstruction with Geogrid to cater for HGV's keeps British Sugar PLC sweet in Wissington, Kings Lynn.

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A86 Newtonmore, Cairngorms National Park

In Situ Foam Mix for BEAR Scotland

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Residential / Urban

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Residential Estate Road

In order to minimise the impact of construction traffic, the carriageway itself required structural enhancement and surfacing.

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Darlington - The Fairway & Harris Street

The Project involved creating a solution to an ongoing problem the client has been enduring over the past 5 years to a specific area of the network.

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Rural

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Type 2 Road Haunch & Full Width

This scheme, identified by Shropshire Council was part of a larger programme of work to repair some of the county’s roads.

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Type 3 Rural Access Road - Forge Mill Lane

Extensive historic patch repairs were evident indicating structural issues in the carriageway which was breaking up allowing a degree of water ingress through surface cracking.

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Unclassified Roads

Fen Road as the name suggests is a rural single track built on soft, moving ground, resulting in cracking and deep rutting throughout.

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case study
Type 2 HGV Route

This was a major reconstruction of a failed road which was achieved within programme and the clients budget, without the need to carry out lengthy and costly reconstruction.

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Type 2 Rural Link Road

The road was suffering from structural issues leading to extensive cracking and crazing on the surface.

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Type 2 A Class Road, Working at Night

Suffering from extensive edge failure, the original scheme required a 6 week closure of the carriageway to carry out the required excavation and re-instatement along this stretch.

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Unclassified Rural REGEN Road

The project involved the reconstruction of failing carriageways within Cambridge County Council’s rural network.

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Type 4 Rural Road

Showing signs of collapse and crackingwith particular issues at edges where larger vehicles appeared to have regularly overrun the extent of the existing structure.

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Type 4 Rural Road - Ashcott Somerset

This narrow rural road with a speed limit of 60mph had structural failures in the carriageway, some which had previously been patched.

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Cycle Route Improvement

The Marriott’s Way is England’s longest disused railway trail at 26 miles. Parts of the trail have been used for walking, cycling and horse riding since the 1970s.

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Type 3 Rural Access Road - Dadford Road

On initial visits surface issues indicated that structural failings were apparent and likely to be related to adjacent drainage and tree roots.

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Concrete Re-Structuring

The concrete had been overlaid historically with layers of asphalt which was worn and reflects deeper cracking and movement within the structure.

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SPL Rural Norfolk Recycling

A co-ordinated partnership between the Client team, SPL and Norfolk’s maintenance contractor Tarmac enabled a rapid investigation, mobilisation and delivery of approximately 96,000 m2 of structural in situ recycling.

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REGEN Sites for Cumbria

Various REGEN sites utilised for Tar encapsulation in Cumbria

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Cant's Drove Cambridgeshire

Cambridgeshire REGEN with Geogrid & Textile

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Berrick Salome, Foamed Bitumen In Situ

Foamed Bitumen Recycling for Rural Oxfordshire

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Regen Roads / Haunch

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Unclassified Rural REGEN Road

The project involved the reconstruction of failing carriageways within Cambridge County Council’s rural network.

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Type 2 Road Haunch & Full Width

This scheme, identified by Shropshire Council was part of a larger programme of work to repair some of the county’s roads.

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SPL Norfolk Outwell Road

The section of Outwell Road identified for structural recycling runs between Middle Level Drain, part of the drainage network between the Rivers Nene and Great Ouse, and Highbridge Road in the Hamlet of West Head.

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