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Expert Rail Welding for Long-Lasting Results

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RSS Infrastructure Welding team using a Robel Grinder
“In the realm of rail welding, we possess both the capability and expertise to manage large-scale projects. We’re renowned for delivering state-of-the-art welding solutions to the rail sector at competitive rates without compromising quality.” Karl Dean, Head of Welding
RSSI’s Rail Welding Division has been a frontrunner in providing specialised welding services to the rail and light rail sectors for many years. This legacy was further solidified after Carillion Welding’s acquisition by RSS Infrastructure in 2019. Strategically located in Doncaster and Tonbridge, we also have regional offices in Alnwick, Cwmbran, Romford, and Stoke-on-Trent.

The Expertise of Our Rail Welders

Our continuous employee training and development programmes show our commitment to excellence. We offer Level 1-3 Stressing Officer competency training. This investment in our team ensures that we can undertake and excel in large-scale rail welding projects with fully qualified professionals.

Delivering Welding Services Across the UK

RSSI Welding is synonymous with high-quality welding solutions delivered at competitive prices without losing quality, productivity, or performance. Our collaborations span Network Rail depots in the UK, including partnerships with Balfour Beatty, Colas Rail, Babcock Rail, Trackwork, Pod-Trak, Volker Rail, Midland Metro, and Story Rail.

A Legacy of Rail Welding Excellence

Our Welding division boasts a stellar performance record, with a 99% first-time approval rate for our welds. Our senior management team, seasoned in overseeing major UK rail welding projects, reinforces our expertise. As proud corporate members of IORW, our enduring relationships built on trust make us Network Rail’s premier welding sub-contractor

Upholding Rail Welding Standards

RSSI’s Welding division has ISO 9001, 14001, 45001, and Achilles certifications. Our rail welding processes and systems meet the stringent standards of TWI ISO 38:34. From planning and scoping to project management, delivery, inspection & hand back; our comprehensive rail welding services cover it all.

State-of-the-Art Rail Welding Equipment

Our welding teams are highly skilled and equipped with the latest machinery. The recent introduction of the ROBEL 13:49 grinding machines, in line with the latest standards, ensures we provide top-tier services, especially to Network Rail.

Contact Our Rail Welding Division

Contact us at 0330 113 0004 for the best rail welding project delivery. Led by Karl Dean, Head of Welding and our team of rail welding specialists, we’re here to serve your needs.

RSS Infrastructure Welding team carrying out a weld
MG, Network Rail
Sandwell and Dudley
Our Civils teams are highly skilled, experienced, and equipped with essential certifications such as PTS, CSCS, and CPCS to work safely and efficiently on both civils and rail infrastructure projects.
AM, Volker Rail
Killinghome
Great attitude to completing complex works.
DC, Network Rail
Manchester Square One
Thank you for providing the S & T staff for Oakengates Tunnel at the weekend (and at short notice). I wish it were this simple every time! We will request your services again at the next exam. Thanks again; it was greatly appreciated.
PQ, Network Rail
Northampton
Karl and the team are superb. Always help us out last minute. Great on-call over the weekend. Really good staff, never any defects. Very happy and don't use anyone else.
CP, Network Rail
Holgate York
Your team worked together to complete installation of Xing and back rails. Then completed six welds. Great effort.
NR, Network Rail
Stoke on Trent/Stafford/Nuneaton
I can't fault the teams. They always help me and go above and beyond to do what they can. I only use RSS and have done for the last couple of years. Their work is spot on, and the welds are immaculate. The guys I deal with internally are smashing. I get on with them.
CF, Network Rail
Shrewsbury
Long-term staff from RSS, happy with them. We would like to see competencies of current staff so we can use their skillsets better. The only downside is a lack of flexibility—sometimes we need to change/cancel shifts.
JM, Network Rail
Saltley
I deal with Audrey a lot, who is wonderful. The quality of staff is very high. Had several members of staff on-site for around 18 months now. There are no issues, nothing to improve on, and I am very happy. Asked for further staff.
SP, Network Rail
Saltley/Sandwell
Communication has improved over the last few months. Works always delivered well, very few failures, impressed with staff sent.
DR, Network Rail Saltley
Saltley Depot
Worked with Karl for about 7 years. 264 welds with only 1 failure (welder error) is incredible. Staff at RSS always keen to understand if there is a failure and provide feedback to the welder. Cannot fault the team at all. We use RSS as our first choice due to the service. Karl and the team help me hit my internal KPIs.
DA, Network Rail
Manchester Guide Bridge
Really good service from the RSS Welding teams. I called James with a last-minute issue last week, and he sorted it out within 30 minutes. Always easy to get hold of and always sort out my issues. RSS are my preferred supplier. 10/10
AM, Winvic
Northampton
Vic, Karl, and the team are superb. Competency of staff is great. Any difficulties on-site are raised. I am very happy with the team provided.
NB, Network Rail
WVL
The staff worked really well together and went above and beyond to help with the task at hand.
DR, Network Rail
West Midlands and Chilterns
We have used your services for around seven years; problems are few and far between, and your staff go above and beyond to help.
GP, Midland Metro Alliance
Wednesbury
Deal with Christian and Steve a lot. Best of the three suppliers in terms of quality of staff - one in ten may turn out to not be the right fit, but that is life, and you don't always know until a few weeks into them being here. CVs are sent by Steve very quickly, and he provides all the info I could need. I am very happy with the quality of the candidates sent. Christian and Gav on-site always deal with PPE, toolbox talks, and the like. The staff like them.
CM, Network Rail Shrewsbury
Shrewsbury DU
Deal with Karl and James on a regular basis. Very knowledgeable in their work, always a good service, nothing to improve on, very happy.
MB, ISS
Cartbridge Lane
On Sunday night of week 11, I had three weld teams working on-site. The weather conditions were red hot one minute, then pouring rain the next. All the men worked brilliantly to pull around a job that, at one point, was falling behind schedule. One welder in particular was outstanding: NM. The most pleasing thing for me as a site manager, though, was the teamwork all six men showed.
DN, Network Rail
Broxbourne - Tottenham
The team integrated well with the team, looking forward to working closely in the future.
DD, Network Rail
West Hampstead
I enjoyed working with RSS. The staff integrated well. I am happy for RSS to support projects in the future.
NB, Network Rail South Wales
Canton Cardiff
I enjoyed working with RSS. The staff integrated well. I am happy for RSS to support projects in the future.
NB, Network Rail South Wales
Canton Cardiff
I am very happy with RSS's service. Minor improvements have been discussed, and the management team has acted really quickly to address them, which is very pleasing to learn.
TF, Network Rail
East Midlands Route
RSS have been fantastic in meeting our requests on the East Midlands Route. We've encountered some big challenges over the last 12 months, but RSS has always been on hand when we needed support.
ML, Network Rail
Forncett
Very impressed with RSS Welding. Despite problems, they have been helpful and professional.
AB, SPL Powerlines
West Hampstead to Wigston
The conduct of the RSSI staff working on our sites has generally been excellent. LM & TB have both been highly praised by our construction team on-site.
PQ, Network Rail
Broad Lane/Kilsby Tunnel
Thanks for your assistance at short notice.
ET, Network Rail
Pantyffynnon
Satisfied with the service.
IN, Network Rail
Dee Marsh
I have nothing but praise for James and his staff. Nothing is ever an issue, and they always come with the correct attitude to complete the works. Any issues, they are more than happy to come up with a solution.
KV, Network Rail
West Hampstead
Very helpful staff, happy with the team provided.
NR, Network Rail
Stafford DU
Satisfied with the service I receive from RSS Welding department. They always go the extra mile to ensure we can have resource requests, even when it's at really short notice. They always bend over backwards to help in any way they can to keep our work compliant and trains and passengers moving.
SH, Midland Metro Alliance
Wednesbury Depot
Consistently reliable and efficient service.
TF, Network Rail at Kettering
Kettering
Always impressed by the responsiveness of the team.
AP, Pod-Trak Limited
Brockenhurst
Dave and the team were fantastic in removing and reinstating the level crossing with, it has to be said, very little notice. Thanks for an excellent job all around.
AJ, Network Rail
Coleham Depot, Shrewsbury
Very pleased with RSS professionalism, service, and productivity. Thank you.
GJ, Network Rail
Ludlow
The team worked efficiently and delivered great results.
ER, Skanska
Bickenhill
Great service and attention to detail.
LW, Network Rail Works Delivery
Bletchley Depot
Always very helpful and accommodating. Staff have good knowledge, work hard, and are keen. Any issues are dealt with quickly and professionally.
PC, Network Rail
Sandy, Stoke, Tallington
Sending end-of-shift reports could be improved.
JG, Morgan Sindall
White Occupation/Chittening Wharf Bridge
As usual from Graham and the lads, superb attitude towards safety and execution of the works from start to finish

Speak to our experts about your next project

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Services

Thermit Welding demonstration on track | Rail Welding Services | RSS Infrastructure

Welding Services

  • All aspects of Aluminothermic Welding: RT 1-4
  • All aspects of TW 1-5A, including extensive experience welding inner-city tram systems and crane rail
  • Aluminothermic weld inspection
  • Manual Metal Arc [MMA]: MMA 1-5
    Oxy/Acetylene and Oxy/Propane burning of rails and structures
  • RCF TR80 grinding teams with GSM’s
  • SO53/54 Switch & Crossing grinding and Inspection
  • VERSE Testing – a non-destructive system to measure the Stress-Free Temperature (SFT) of Continuously Welded Rail (CWR)

Frequently Asked Questions

RSSI Welding offers a range of welding services to the rail sector, including Aluminothermic Welding, Manual Metal Arc (MMA) welding, oxy/acetylene and oxy/propane burning of rails and structures, RCF TR80 grinding teams with GSMs, SO53/54 switch & crossing grinding and inspection, and VERSE testing.

Yes, RSSI Welding has the capability and capacity to cater to large-scale rail and light rail projects and has a reputation for delivering advanced welding solutions at a highly competitive rate without compromising quality. Their staff training and development investment means they can supply fully qualified teams.

RSSI’s Welding division holds ISO 9001, 14001, and 45001 certifications, as well as Achilles certifications. Their welding processes and systems are TWI ISO 38:34 accredited, demonstrating their commitment to delivering a high-quality service.

Projects

Nottingham Tram Extension | Rail Welding Services | Infrastructure Services & Solutions | RSS Infrastructure
Welding

Nottingham Tram Extension

RSS Infrastructure’s Welding Division successfully led a significant project on behalf of the client, Taylor Woodrow Alstom JV. The project was the Nottingham

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RSSI at CRSA Verse Testing
Welding

CRSA Verse Testing

RSS Infrastructure (RSSI) Welding collaborated with CRSA to carry out renewals work on the HBS route. RSSI collected stressing records and conducted Stress-Free Temperature (SFT) readings on reverse curb areas,

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RSS Infrastructure (RSSI) delivers expert Technical Services, Managed Environments and Welding Services for the rail, highways, civils, and utilities sectors. Our tailored solutions ensure safety, compliance, and operational efficiency through track maintenance, asset protection, rail welding, ecology, rope access and vegetation management.

Technical Services

Managed Environments

Welding Services

Head Office

RSS Infrastructure Ltd.
Tech Block, Gee Business Centre
Holborn Hill, Birmingham B7 5JR

Enquiry Form

Contact our Head of Welding Services