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PROJECT FOCUSRail drainage clean and survey
Client:Carillion
Project challengeA rail line south east of Doncaster was being electrified so freight trains could use it. One of the last elements of the project was the lowering of the line either side of a bridge to create the space needed for the larger freight trains. With timescales for the programme becoming tight, a track drainage survey had to be carried out, to assess how the drainage system would have to be modified to take account of the line upgrade.
Client benefits• Lanes Group expertise and capacity means it can quickly put together the team and equipment needed to carry out an urgent track drainage survey
• Client is assured that all rail safety requirements and regulations will be met
• Many years of experience with rail work helps ensure the project is managed effectively, in partnership with rail partners
• Challenging technological constraints, most notably access to water supplies, are overcome using innovative use of equipment
• Track drainage clean and survey project is completed successfully, as planned.
Call 24/7 0800 526 488www.lanesfordrains.co.uk
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Sector:Rail
Location:Doncaster, South Yorkshire
Lanes Group is a national wastewater and drainage solutions provider. We sit proudly at the heart of the UK drainage industry, and are serious about delivering excellence in service, safety and innovation.
We have a national network of 23 depots and strategic utility hubs, providing high quality utility, drainage, and maintenance services for commercial, public sector and domestic customers. Our specialist market sectors include water utilities, construction, energy, rail, highways and commercial maintenance.
The project
Lanes Group was commissioned by Carillion to clean and survey track drainage pipes along the railway line south east of Doncaster, South Yorkshire.
The line was being electrified and upgraded by a joint venture, which included Carillion, so it could be used for rail freight traffic.
The work was part of a wider Network Rail strategy to increase the capacity and flexibility of the Great Northern and Great Eastern (GNGE) rail network between Peterborough and Doncaster.
The rail line had been lowered either side of a road bridge to create the extra space needed for larger freight trains.
Trackside drain pipes then had to be cleaned and surveyed to ensure they had sufficient capacity to cope with winter rainfall.
Lanes Group’s depot in Derby was commissioned by Carillion to carry out the track drainage survey over two 12-hour night shifts.
A total of 11 catch pits and nearly 600 metres of 225 millimetre diameter trackside drains were de-silted and CCTV camera surveyed.
Keeping to Network Rail’s programme timetable was a key challenge.
All equipment was prepared well in advance, so it could be deployed quickly, maximising the amount of time spent working on site.
PROJECT FOCUS
[email protected] 24/7 0800 526 488www.lanesfordrains.co.uk
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Rail drainage clean and survey
Network Rail excavation crews removed ballast and other large debris from the catch pits. A Lanes jet vac team then jetted through the lines. Finally, a Lanes mainline CCTV camera team carried out a detailed drain survey.
Three 3,000 gallon jet vac tankers were used, operating from the rail bridge.
One tanker provided constant jetting support, while the others continuously collected water from a roadside hydrant.
Three remote access jet vac units were also deployed in relay, allowing jetting to be carried out up to 300 metres from the main jet vac unit.
Pumps diverted water backed up behind drain blockages, so the lines could be effectively jetted.
Track drainage survey reports were compiled to be used to plan further improvements to the drainage system along this section of the line.
Front cover – Lanes Group was supporting a programme to electrify a section of the GNGE line near Doncaster to allow more flexible routing of freight trains. This page: above, moving freight trains off main lines will create more reliable passenger services Left, Kings Cross, the main GNGE terminal in London. Above, UK railway train carrying cement, by Paulio! From UK - 66602 Unstone. Licensed under CC BY 2.0 via Wikimedia Commons; Left, Cmglee London Kings Cross platform 6 by Cmglee - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons
