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Certified welding · 2024

Banedanmark - Track lowering, Vesterbro, Aalborg
CASE HERO - TRACK LOWERING VESTERBRO
01 // Project data

Client

Banedanmark

Main contractor

M.J. Eriksson A/S

Sejerslev

Subcontractor - steel and welding works and installation

Execution period

Q3 + Q4 2024

Execution

EXC3 acc. to DS/EN 1090-2 and preheating calculation acc. to DS/EN 1011-2

Approx. 200

Extended and welded sheet piles

Approx. 200 metres

Railing

EXC3

Acc. to DS/EN 1090-2

DS/EN 1011-2

Preheating calculation

02 // Project description & scope

In connection with Banedanmark’s track lowering at Vesterbro in Aalborg, Sejerslev carried out a central part of the structural steel works as a subcontractor.

The work comprised extensive welding on sheet piles as well as associated safety and steel structures directly adjacent to active railway infrastructure.

03 // Technical execution

Approx. 200 sheet piles under stringent requirements

Sejerslev extended and welded together approx. 200 sheet piles. The work was carried out in EXC3 acc. to DS/EN 1090-2 with stringent requirements for welding procedures, documentation, traceability and inspection.

The project also comprised preheating calculation and execution acc. to DS/EN 1011-2. The work was performed under Banedanmark’s inspection regime with continuous supervision.

Working at an active railway

Sejerslev’s employees completed Banedanmark’s relevant safety training and obtained approval to work on Danish railway facilities.

The work was planned and coordinated with the main contractor, the safety organisation and Banedanmark’s supervision, with a focus on railway operations and occupational safety.

Railing and bespoke plates

Sejerslev also delivered and installed approx. 200 metres of railing as well as custom-made sealing and bulkhead plates.

The plates were adapted and modified to the geometry of the sheet piling and installed as an integrated part of the safety solution.

04 // Quality & documentation

The project comprised EXC3 welding work, preheating calculation, traceable documentation and continuous inspection during execution.

The work was carried out in a safety-critical environment with stringent procedures for access, communication, working environment and documentation.

06 // Photo documentation
The railway trench at Vesterbro with guardrails and tubular steel piles beneath the bridge
Welding of tubular steel piles on site
Welded joint on a tubular steel pile
The railway trench with cross-bracing beneath the existing structure
Tubular steel piles with connection beams and bracing beams
Bracing with steel tubes across the railway trench

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