MOTHER NATURE TESTS NETWORK RAIL ENGINEERS AT ELLAND: Bank slip at Elland Jan 2008_001

Friday 30 May 2008

MOTHER NATURE TESTS NETWORK RAIL ENGINEERS AT ELLAND

Region & Route:

After investment of £4.5m and five months hard work, engineers for Network Rail have shifted 100,000 tonnes of material to stabilise a hillside above the railway at Elland in Yorkshire.

A landslip was recorded at the site on the Hebden Bridge to Wakefield railway line on Monday 21 January 2008. Around 40 tonnes of trees and earth had slipped down the bank following torrential rain. Further investigations revealed that a long-term fix was needed to ensure the reliability of rail services in the future.

Trains were stopped while initial clearance and stabilisation works were carried out but re-started a normal timetable by the beginning of April with engineers working around the train services to keep passengers and freight on the move.

The site added to the challenge as it is a considerable distance from any access points, and down a steep slope (40-45 degrees) which was covered in vegetation. A layer of weathered mudstones around five metres deep was moving towards the railway.

Neil Henry, acting route director for Network Rail, said: "I would like to thank all passengers who were affected by these works for their patience. Our engineers and specialists have really pulled out all the stops to get a long-term solution that means we can continue to give rail passengers the reliable service they expect.

"Not only have they carried out a complicated piece of work in a safe and timely manner, but they've also taken into account the needs of the local community. Seven burnt-out cars were removed from the hillside and recyled by a local scrap merchant. With the support of contractors May Gurney, we've also carried out a project at William Henry Smith school to move and re-line their pond and stop overflowing water from causing problems further down the slope."

Notes to editors

Work included: • Installation and removal of 600metre access road. • Extensive tree felling and removal. • Vegetation clearance. • 100,000 tonnes of material removed in 40 days by rail. The spoil was sent to a disused Hanson quarry 700m away. This gave environmental benefits as there was no need to remove material by road and also helped quarry restoration works. • 24/7 working up to and throughout the six weeks that trains were halted. Some limited train movements were possible at weekend to provide a diversionary route for Trans–Pennine services. • Work on two under track culverts to take main slope drainage. • Collection of numerous natural springs to control water and feed into new drainage system. • New drainage works comprising 180m of 750mm diameter track-side drain between culverts and 300m of 225mm diameter radial and counterfort drains to the main slope. • Installation of 500m of new boundary and security fencing. • Hydro-seeding to encourage greening over of the new slope – 11,000 metre2. • Approx 75,000 man hours

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